Entries |
Document | Title | Date |
20080199909 | Methods for Expression and Purification of Recombinant Human Growth Hormone - The present invention relates generally to the production, purification, and isolation of human growth hormone (hGH). More particularly, the invention relates to the production, purification, and isolation of substantially purified hGH from recombinant host cells or culture medium including, for example, yeast, insect, mammalian and bacterial host cells. The process of the present invention is also useful for purification of hGH linked to polymers or other molecules. | 08-21-2008 |
20080206816 | YEAST HOST, TRANSFORMANT AND METHOD FOR PRODUCING HETEROLOGOUS PROTEINS - The efficiency of production of a heterologous protein by a transformant of a yeast host is improved. | 08-28-2008 |
20080254511 | PROCESS FOR THE FERMENTATIVE PRODUCTION OF PROTEINS - The present invention relates to a process for producing a heterologous protein by means of an | 10-16-2008 |
20090011463 | Pcka Modifications and Enhanced Protein Expression in Bacillus - The present invention provides cells that have been genetically manipulated to have an altered capacity to produce expressed proteins, wherein the pckA gene has been modified or deleted. In particular, the present invention relates to Gram-positive microorganisms, such as | 01-08-2009 |
20090017496 | Co-expression of multiple protein chains or subunits - A recombinant genetic construct is provided that includes at least two expression cassettes. Each cassette encodes for a chain or subunit of a target protein. The genetic construct preferably targets any expressed protein to the secretory pathway of the host cell. An application of present invention is found in expressing the two chains of human insulin through two separate expression cassettes on the same methylotrophic yeast expression vector. Mature, bioactive human insulin molecules are secreted through this method without resorting to any post-translational cleavage process. | 01-15-2009 |
20090017497 | METHOD FOR MAKING INSULIN PRECURSORS AND INSULIN PRECURSOR ANALOGUES HAVING IMPROVED FERMENTATION YIELD IN YEAST - Novel insulin precursors and insulin precursor analogs comprising a connecting peptide (mini C-peptide) of preferably up to 15 amino acid residues and comprising at least one Gly are provided. The precursors can be converted into human insulin or a human insulin analog. The precursors will typically have a distance between B27 (atom CG2) and A1 (atom CA) of less than 5 Å. | 01-15-2009 |
20090017498 | Fibroblast Growth Factor-Like Polypeptides - The present invention provides novel Fibroblast Growth Factor-like (FGF-like) polypeptides and nucleic acid molecules encoding the same. The invention also provides vectors, host cells, antibodies and methods for producing FGF-like polypeptides. Also provided for are methods for the diagnosis and treatment of diseases associated with FGF-like polypeptides. | 01-15-2009 |
20090093023 | Elements for improved expression of bovine somatotropin - The invention allows improved expression of heterologous polypeptides such as bovine somatotropin (bST). Novel compositions and methods are provided for production of bST from a native bST cDNA in transformed host cells such as | 04-09-2009 |
20090111143 | Methods and Compositions for Mammalian Cell Lines for Transfection and Protein Expression in Serum-Free Medium - Disclosed are compositions and methods for increasing the longevity of a cell culture and permitting the increased production of proteins, preferably recombinant proteins, such as antibodies, peptides, enzymes, growth factors, interleukins, interferons, hormones, and vaccines. Cells transfected with an apoptosis-inhibiting gene or vector, such as a triple mutant Bcl-2 gene, can survive longer in culture, resulting in extension of the state and yield of protein biosynthesis. Such transfected cells exhibit maximal cell densities that equal or exceed the maximal density achieved by the parent cell lines. Transfected cells can also be pre-adapted for growth in serum-free medium, greatly decreasing the time required to obtain protein production in serum-free medium. In certain methods, the pre-adapted cells can be used for protein production following transfection under serum-free conditions. In preferred embodiments, the cells of use are SpESF or SpESF-X cells. | 04-30-2009 |
20090123971 | Compositions of aminoacyl-tRNA synthetase and uses thereof - Compositions and methods of producing components of protein biosynthetic machinery that include orthogonal tRNA's, orthogonal aminoacyl-tRNA synthetases, and orthogonal pairs of tRNA's/synthetases are provided. Methods for identifying these orthogonal pairs are also provided along with methods of producing proteins using these orthogonal pairs. | 05-14-2009 |
20090170163 | SPACERS TO INCREASE THE EXPRESSION OF RECOMBINANT FUSION PROTEINS - The present invention relates to fusion proteins. The invention specifically relates to compositions and methods of Tf-based fusion proteins that demonstrate a high-level expression of transferrin (Tf)-based fusion proteins by inserting a helical linker between two protein domains. | 07-02-2009 |
20090181430 | PROTEIN FOLDING - The present invention concerns a method for folding a Transforming Growth Factor Beta, or a functional analogue thereof, into a dimeric, biologically active form. The method involves adding solubilized, unfolded monomeric growth factor to a solution containing 2-(cyclohexylamino)-ethanesulfonic acid (CHES) or a functional analogue thereof and a low molecular weight sulfhydryl/disulfide redox system. The solution is then incubated under conditions suitable for generating dimeric biologically active Transforming Growth Factor Beta. | 07-16-2009 |
20090203076 | COMPOSITIONS AND METHODS FOR INCREASING PROTEIN PRODUCTION - Compositions and methods for increasing protein production are provided. | 08-13-2009 |
20090239262 | Affinity Polypeptide for Purification of Recombinant Proteins - The present disclosure provides an affinity polypeptide for the purification of a recombinant biologically active protein or polypeptide. Further, the present disclosure provides a fusion recombinant protein or polypeptide wherein the fusion recombinant protein comprises of at least two components, a biologically active polypeptide or protein or protein of interest and the affinity polypeptide. The biologically active polypeptide may be linked directly or indirectly to the affinity polypeptide by covalent binding. The present disclosure provides a recombinant expression vector for the producing said fusion recombinant protein in host cells. Further, the present disclosure provides an improved method of purification of recombinant protein from the host cells. Further, the disclosure provides a method of purification of the recombinant biologically active polypeptide or protein by immobilized metal ion chelating chromatography. | 09-24-2009 |
20090275084 | LONG-ACTING EPO POLYPEPTIDES AND DERIVATIVES THEREOF AND METHODS THEREOF - A polypeptide and polynucleotides encoding same comprising at least two carboxy-terminal peptides (CTP) of chorionic gonadotrophin attached to an EPO peptide are disclosed. Pharmaceutical compositions comprising the polypeptide and polynucleotides of the invention and methods of using same are also disclosed. | 11-05-2009 |
20090291473 | Method for Production of Recombinant Human FSH - Disclosed is a method for production of recombinant human FSH in high yield and a high purity. The method comprises the steps of: (a) culturing recombinant human FSH-producing mammalian cells in a serum-free medium, (b) collecting culture supernatant, (c) subjecting the culture supernatant to cation-exchange column chromatography, (d) dye affinity column chromatography, (e) hydrophobic column chromatography, and (f) gel filtration column chromatography to collect recombinant human FSH-active fractions, in the order. | 11-26-2009 |
20090317867 | METHODS FOR ENHANCED PRODUCTION OF BONE MORPHOGENETIC PROTEINS - Methods and processes for improved recombinant protein production are provided. The methods are useful for production of growth factors, particularly those of the TGF-β superfamily, including bone morphogenetic proteins (BMPs), such as BMP-2. Suitable host cells are cultured in media where iron is present at a concentration of at least 2.25 μM and if pyridoxal is present, it makes up less than 55% of the molar concentration of vitamin B6 in the media. | 12-24-2009 |
20100009408 | Induction of Gene Expression Using a High Concentration Sugar Mixture - Described herein is a composition useful for inducing expression of genes whose expression is under control of an inducible promoter sequence and methods for the compositions preparation and use. | 01-14-2010 |
20100021966 | Method for the Preparation of Growth Hormone and Antagonist Thereof Having Lower Levels of Isoform Impurities Thereof - The present invention is directed generally to recombinant methods for making a desired polypeptide. These method(s) yield a polypeptide product containing reduced levels of isoform impurities thereof. In particular, the present invention is directed to (1) a recombinant method for preparing growth hormone with reduced isoform impurities thereof and (2) a recombinant method for preparing a growth hormone antagonist, such as pegvisomant, and its protein intermediate, also having reduced isoform impurities thereof. More specifically, the isoform impurities that are decreased by methods of the present invention are the trisulfide and des-phe isoform impurities of growth hormone and growth hormone antagonist (or its intermediate), respectively. | 01-28-2010 |
20100021967 | Alpha Factor Signal Peptide For Producing a Polypeptide - The present invention relates to a method for producing a polypeptide comprising using a variant alpha factor signal peptide having a substitution in position 9 resulting in a substitution of an A to either T, S, H, I, F, E, or G. The invention further relate to nucleic acid constructs comprising a first nucleotide sequence encoding the variant signal peptide and a second nucleotide sequence encoding a polypeptide which is foreign to the first nucleotide sequence. Furthermore, it also relates to expression vectors and host cells comprising said nuclei acid construct. | 01-28-2010 |
20100047870 | LOW CELL DENSITY FERMENTATION PROCESS FOR THE PRODUCTION OF HETEROLOGOUS RECOMBINANT PROTEINS IN MICROORGANISMS - A low cell density fermentation process for the production of heterologous proteins in microorganisms. The cell culture obtained by cultivating host microorganisms transformed with a vector carrying genetic material for the said proteins and an inducible promoter under batch fermentation conditions is fed with a feed medium after an OD | 02-25-2010 |
20100093036 | Novel Vectors for Production of Growth Hormone - The present invention provides novel compositions to transfect cells for production of growth hormone (GH). These novel compositions also are used to produce germline transgenic birds that can successfully pass the transgene encoding growth hormone to their offspring. These novel compositions include components of vectors such as a vector backbone, a novel promoter, and a gene of interest that encodes for GH, and the vectors comprising these components. In one embodiment these vectors are transposon-based vectors. The present invention also provides methods of making these compositions and methods of using these compositions for the production of GH in vitro and in vivo. In one embodiment the GH is human (h)GH. | 04-15-2010 |
20100167347 | Compositions of Aminoacyl-tRNA Synthetase and Uses Thereof - Compositions and methods of producing components of protein biosynthetic machinery that include orthogonal tRNA's, orthogonal aminoacyl-tRNA synthetases, and orthogonal pairs of tRNA's/synthetases are provided. Methods for identifying these orthogonal pairs are also provided along with methods of producing proteins using these orthogonal pairs. | 07-01-2010 |
20100184141 | Serum-free Stable Transfection and Production of Recombinant Human Proteins in Human Cell Lines - The present invention relates to an improved method for the serum-free production of an immortalized human cell line stably transfected under serum-free conditions with a specific vector carrying the gene coding for the protein of interest. Furthermore the invention relates to a production cell line obtained by said method, a production method for said protein of interest utilizing said production cell line, and the specific vector carrying the gene of interest itself. | 07-22-2010 |
20100184142 | BACTERIA WITH INCREASED LEVELS OF PROTEIN SECRETION, NUCLEOTIDE SEQUENCES CODING FOR A SECA PROTEIN WITH INCREASED LEVELS OF PROTEIN SECRETION, AND METHOD FOR PRODUCING PROTEINS - The invention relates to bacteria that have increased levels of protein secretion due to genetic modification, to nucleotide sequences and gene structures containing at least one gene coding for a SecA protein having increased levels of protein secretion, to a SecA having increased levels of protein secretion, and to a method for producing desired proteins using the inventive bacteria. The invention also relates to nucleic acids coding for a SecA protein having increased levels of protein secretion and containing a gene sequence SecA or an allele, homologue or derivative of said nucleotide sequences or nucleotide sequences hybridising therewith and comprising at least one mutation. Surprisingly, just one mutation in a nucleotide of a SecA gene leads to increased levels of protein secretion or to protein secretion for the first time. | 07-22-2010 |
20100203589 | METHOD FOR OBTAINING ACTIVE BETA-NGF - The invention relates to a method for producing biologically active β-NGF from the proform proNGF. After expressing the proform of the β-NGF in a prokaryotic host cell, the recombinant protein is isolated in the form of insoluble inactive aggregates (inclusion bodies). After the solubilization thereof in a strong denaturing agent and the subsequent conversion thereof into the natural conformation, which is determined by the disulfide bridges present in the natural β-NGF, biologically active β-NGF is obtained by subsequently splitting-off the prosequence. | 08-12-2010 |
20100255537 | NUCLEIC ACID MOLECULES ENCODING BETA-LIKE GLYCOPROTEIN HORMONE POLYPEPTIDE AND HETERODIMER THEREOF - Novel β10 polypeptides and heterodimers thereof, and nucleic acid molecules encoding the same are disclosed. The invention also provides vectors, host cells, selective binding agents, and methods for producing β10 polypeptides and heterodimeric forms thereof, specifically α2/β10. Also provided for are methods for the treatment, diagnosis, amelioration, or prevention of diseases with β10 polypeptides and α2/β10 heterodimers or their respective binding agents. | 10-07-2010 |
20100261227 | Production of Proteins Using Transposon-Based Vectors - Novel compositions for the in vitro or in vivo production of specific proteins are provided. The compositions comprise components of vectors, such as a vector backbone, a promoter, and a gene of interest that encodes for the protein of interest, and the transposon-based vectors comprising these components. Also provided are methods of making these compositions and methods of using these compositions for the production of desired proteins in vivo or in transfected cells in vitro. | 10-14-2010 |
20100311122 | VECTORS AND YEAST STRAINS FOR PROTEIN PRODUCTION - Lower eukaryote host cells in which the function of at least one endogenous gene encoding a chaperone protein, such as a Protein Disulphide Isomerase (PDI), has been reduced or eliminated and at least one mammalian homolog of the chaperone protein is expressed are described. In particular aspects, the host cells further include a deletion or disruption of one or more O-protein mannosyltransferase genes, and/or overexpression of an endogenous or exogenous Ca2 | 12-09-2010 |
20110008839 | Expression Vectors Comprising the MCMV IE2 Promoter - The invention relates to an expression vector comprising the promoter of the mCMV-IE2 gene, or a functional expression promoting fragment thereof, and/or an enhancer of the mCMV-IE2 gene, or a functional expression enhancing fragment thereof, wherein the expression vector does not contain any complete gene of the mCMV. | 01-13-2011 |
20110020871 | Process for the Preparation of Insulin Conjugates - The invention claims a process for making an insulin-oligomer conjugate IN-105. IN-105 precursor having formula G-A-V-R-[B-Chain]-R-D-A-D-D-R-[A-Chain] is cloned and expressed in | 01-27-2011 |
20110053221 | RECOMBINANT PRODUCTION OF AUTHENTIC HUMAN PROTEINS USING HUMAN CELL EXPRESSION SYSTEMS - The present invention relates to novel expression cassettes and vectors for efficiently producing authentic recombinant human proteins from stable cultures of novel human cell lines, the authentic recombinant proteins produced therefrom, and antibodies raised against those authentic recombinant proteins. | 03-03-2011 |
20110111460 | Method for Making Mature Insulin Polypeptides - The invention is related to a method for making human insulin analogues by culturing an fungi cell comprising a DNA vector encoding a precursor for human insulin analogue, wherein the said precursor comprises a connecting peptide flanked with cleavage sites at both junctions with the A- and the B-chain of the insulin peptide, respectively said cleavage sites being cleaved within the fungi cell allowing the cell to secrete high amount of correctly processed, mature two chain human insulin analogue to the culture media. | 05-12-2011 |
20110117600 | PROCESS FOR OBTAINING ASPART INSULIN USING A PICHIA PASTORIS YEAST STRAIN - The present invention refers to a method for producing a human insulin analogue with high efficiency and excellent yield, by means of a biotechnological process comprising transformation of a | 05-19-2011 |
20110159539 | METHOD FOR PRODUCING RECOMBINANT PROTEINS WITH A CONSTANT CONTENT OF PCO2 IN THE MEDIUM - A method for the recombinant production of a polypeptide in a eukaryotic host cell modified in the citrate cycle is described, wherein the method comprises cultivating the eukaryotic host cell in a suitable medium under conditions which allow the expression of the polypeptide, wherein the content of dissolved CO | 06-30-2011 |
20110171687 | UNSTRUCTURED RECOMBINANT POLYMERS AND COMPOSITIONS COMPRISING SAME - The present invention provides unstructured recombinant polymers (URPs) and proteins containing one or more of the URPs. The present invention also provides microproteins, toxins and other related proteinaceous entities, as well as genetic packages displaying these entities. The present invention also provides recombinant polypeptides including vectors encoding the subject proteinaceous entities, as well as host cells comprising the vectors. The subject compositions have a variety of utilities including a range of pharmaceutical applications. | 07-14-2011 |
20110177555 | CHINESE HAMSTER OVARY CELL LINES - We provide a Chinese Hamster Ovary (CHO) cell which is capable of higher protein sialylation compared to a wild type Chinese Hamster Ovary cell, such as in the presence of functional GnT 1, in which the CHO cell is obtainable by selection with | 07-21-2011 |
20110189732 | Process for the Fermentative Production of Erythropoietin - The present invention relates to a process for the fermentative continuous production of erythropoietin, where eukaryotic erythropoietin-producing cells are cultured in a perfusion reactor while retaining the cells, the glucose concentration in the culture supernatant being adjusted via the perfusion rate and the cell number via the cell retention rate and/or the outward transferal of defined amounts of cell-containing culture medium from the bioreactor within preset zones. | 08-04-2011 |
20110189733 | LOW CELL DENSITY FERMENTATION PROCESS FOR THE PRODUCTION OF HETEROLOGOUS RECOMBINANT PROTEINS IN MICROORGANISMS - A low cell density fermentation process for the production of heterologous proteins in microorganisms. The cell culture obtained by cultivating host microorganisms transformed with a vector carrying genetic material for the said proteins and an inducible promoter under batch fermentation conditions is fed with a feed medium after an OD | 08-04-2011 |
20110212488 | IMMORTALIZED AVIAN CELL LINES AND USE THEREOF - The present invention relates to specific immortalized avian cell lines expressing telomerase reverse transcriptase (TERT), and exhibiting distinct biologics production patterns. More particularly, the present invention relates to immortalized avian cell line capable of either amplifying Flaviviridae but not capable of amplifying Vaccinia virus strain Copenhagen (W—COP) nor Modified Vaccinia virus Ankara (MVA), or capable of amplifying both Flaviviridae and Poxyiridae. The invention further relates to the use of said immortalized avian cell lines and related methods for producing biologics, including viruses and proteins. | 09-01-2011 |
20110229932 | ARTIFICIAL CHROMOSOME VECTOR - According to the present invention there is provided a method of producing a protein in a eukaryotic cell line, comprising the steps of a) providing a backbone of an artificial chromosome, b) recombining the nucleic acid encoding said protein into said backbone to generate an expression vector, c) introducing said expression vector into a eukaryotic host cell line to obtain a eukaryotic expression cell line, d) cultivating said expression cell line to produce said protein, and e) isolating said protein. The invention further relates to respective vectors and transgenic cell lines. | 09-22-2011 |
20110236929 | E. COLI BL21 STRAIN LACKING A FUNCTIONAL GROUP II CAPSULAR GENE CLUSTER - The present invention relates to a novel non-pathogenic | 09-29-2011 |
20110287483 | PRODUCTION OF GLYCOPROTEINS USING MANGANESE - Culture media comprising manganese and methods of culturing cells to improve sialylation and glycosylation of glycoproteins are provided. | 11-24-2011 |
20110294161 | Modified Human Growth Hormone - Modified growth hormone polypeptide and uses thereof are provided. | 12-01-2011 |
20110312032 | VECTORS AND YEAST STRAINS FOR PROTEIN PRODUCTION - Lower eukaryote host cells in which the function of at least one endogenous gene encoding a chaperone protein, such as a Protein Disulphide Isomerase (PDI), has been reduced or eliminated and at least one mammalian homolog of the chaperone protein is expressed are described. In particular aspects, the host cells further include a deletion or disruption of one or more O-protein mannosyltransferase genes, and/or overexpression of an endogenous or exogenous Ca2 | 12-22-2011 |
20120028301 | SOMATIC HYPERMUTATION SYSTEMS - The present application relates to somatic hypermutation (SHM) systems and synthetic genes. Synthetic genes can be designed using computer-based approaches to increase or decrease susceptibility of a polynucleotide to somatic hypermutation. Genes of interest are inserted into the vectors and subjected to activation-induced cytidine deaminase to induce somatic hypermutation. Proteins or portions thereof encoded by the modified genes can be introduced into a SHM system for somatic hypermutation and proteins or portions thereof exhibiting a desired phenotype or function can be isolated for in vitro or in vivo diagnostic or therapeutic uses. | 02-02-2012 |
20120034655 | FSH PRODUCING CELL CLONE - The present invention relates to nucleic acid molecules comprising a nucleic acid sequence coding for the α- and the β-chain of the human follicle stimulating hormone (FSH), respectively, which has been modified with respect to the codon usage in CHO cells. The present invention further relates to a recombinant nucleic acid molecule comprising such nucleic acid sequences and host cells containing such recombinant nucleic acid molecules, as well as their use in the production of recombinant human FSH. Finally, the present invention also relates to a method for producing host cells expressing human follicle stimulating hormone by transfecting cells in suspension culture under serum-free conditions with the recombinant nucleic acid molecule of the present invention. | 02-09-2012 |
20120058513 | METHOD FOR PRODUCING HUMAN RECOMBINANT INSULIN - The invention relates to biotechnology and can be used for producing human recombinant insulin for preparing medicinal agents for the treatment of pancreatic diabetes. A variety of recombinant plasmid DNAs which contain an artificial gene and encode the human insulin precursor is proposed. The biosynthesis of a hybrid polypeptide is induced using isopropyl-thiogalactopyranoside so that the post-induction level of the hybrid polypeptide is equal to or greater than 25% of the total cellular protein. According to the claimed procedure, human insulin is produced by cultivating a producer strain containing one of the recombinant plasmids, isolating inclusion bodies, solubilizing and renaturing the fusion protein, and enzymatically degrading and chromatographically purifying said protein. The invention simplifies the process for producing human recombinant insulin and increases the yield thereof. | 03-08-2012 |
20120077228 | OVEREXPRESSION OF AMINOACYL-tRNA SYNTHETASES FOR EFFICIENT PRODUCTION OF ENGINEERED PROTEINS CONTAINING AMINO ACID ANALOGUES - Methods for producing modified polypeptides containing amino acid analogues are disclosed. The invention further provides purified dihydrofolate reductase polypeptides, produced by the methods of the invention, in which the methionine residues have been replaced with homoallylglycine, homoproparglycine, norvaline, norleucine, cis-crotylglycine, trans-crotylglycine, 2-aminoheptanoic acid, 2-butynylglycine and allylglycine. | 03-29-2012 |
20120122155 | IMMORTALIZED AVIAN CELL LINES AND USE THEREOF - The present invention relates to specific immortalized avian cell lines expressing telomerase reverse transcriptase (TERT), and exhibiting distinct biologics production patterns. More particularly, the present invention relates to immortalized avian cell line capable of either amplifying Flaviviridae but not capable of amplifying Vaccinia virus strain Copenhagen (W—COP) nor Modified Vaccinia virus Ankara (MVA), or capable of amplifying both Flaviviridae and Poxviridae. The invention further relates to the use of said immortalized avian cell lines and related methods for producing biologics, including viruses and proteins. | 05-17-2012 |
20120129218 | COFILIN KNOCKDOWN HOST CELLS AND USES THEREOF - The present invention relates to a host cell comprising a cofilin-specific small interfering RNA (siRNA) sequence. The host cell may further comprise a nucleic acid encoding a recombinant protein. The present invention also relates to a method for producing a recombinant protein by the host cell comprising a cofilin-specific small interfering RNA (siRNA) sequence. | 05-24-2012 |
20120171723 | FGF HOMOLOGS COMPOSITIONS AND USES THEREOF - The present invention relates to zFGF5 compositions and methods of using the compositions to proliferate chondrocytes and their progenitors, and to induce deposition of cartilage. zFGF5 compositions are disclosed for treating disorders associated with chondrocytes, such as cartilage injuries and defects. In addition, methods for treating neurological disorders, such as stroke, are disclosed, and methods for using zFGF5 compositions to stimulate growth of cells associated with neurological injury and disease are disclosed. | 07-05-2012 |
20120190068 | DRAIN DOWN AND RE-FEED OF MICROCARRIER BIOREACTOR - Disclosed is a method of increasing product yield per culture in a population of bound product-secreting cells in a bioreactor, the method comprising: semi-harvesting product by removing a volume of the culture medium with a first-secreted product concentration; re-feeding the bound population of product-secreting cells by adding an amount of a fresh culture medium sufficient to increase the volume of the culture medium to approximately the original volume of the culture medium; agitating the culture medium under sufficient conditions and for a sufficient time period to allow the bound population of product-secreting cells to grow and to release a second-secreted product concentration into the culture medium; and harvesting product. | 07-26-2012 |
20120190069 | GLUTAMINE-AUXOTHROPHIC HUMAN CELLS CAPABLE OF PRODUCING PROTEINS AND CAPABLE OF GROWING IN A GLUTAMINE-FREE MEDIUM - A glutamine-auxotrophic human cell transfected with an exogenous DNA sequence encoding a protein or an exogenous DNA sequence capable of altering the expression of an endogenous gene encoding a protein and an exogenous DNA sequence encoding a glutamine synthetase, wherein these exogenous DNA sequences are located on one or more than one DNA construct, said transfected cell capable of producing said protein and capable of growing in a glutamine-free medium. | 07-26-2012 |
20120196326 | Mammalian Cell Lines for Increasing Longevity and Protein Yield from a Cell Culture - Disclosed are compositions and methods for increasing the longevity of a cell culture and permitting the increased production of proteins, preferably recombinant proteins, such as antibodies, peptides, enzymes, growth factors, interleukins, interferons, hormones, and vaccines. Cells transfected with an apoptosis-inhibiting gene or vector, such as a triple mutant Bcl-2 gene, can survive longer in culture, resulting in extension of the state and yield of protein biosynthesis. Such transfected cells exhibit maximal cell densities that equal or exceed the maximal density achieved by the parent cell lines. Transfected cells can also be pre-adapted for growth in serum-free medium, greatly decreasing the time required to obtain protein production in serum-free medium. In certain methods, the pre-adapted cells can be used for protein production following transformation under serum-free conditions. The method preferably involves eukaryotic cells, more preferably mammalian cells. | 08-02-2012 |
20120231504 | MULTIUSE REACTORS AND RELATED METHODS - A septum is positioned within a disposable vessel and defines a lower chamber and an upper chamber. The septum includes a plurality of apertures that provide fluid communication between the upper chamber and lower chamber. Compressed gas is introduced in the lower chamber to produce fine bubbles rising up throughout the vessel to produce a mixing and gasification needed for the growth of a biological culture and manufacture of a biological product in a nutrient medium. Adding a binding resin to the upper chamber allows harvesting, separation and purification of biological products in the reactor as a single unit operation. | 09-13-2012 |
20120231505 | Gene Expression Technique - The present invention provides a method for producing a desired protein (such as a desired heterologous protein) comprising:
| 09-13-2012 |
20120252069 | PROCESS FOR THE PURIFICATION OF GLYCOPROTEINS - The present invention relates to a process for the purification of a glycoprotein comprising subjecting a liquid containing said glycoprotein to the steps of: a) reverse phase chromatography, b) size exclusion chromatography, and c) hydrophobic interaction chromatography. Also provided is a manufacturing process for producing a glycoprotein of interest. | 10-04-2012 |
20120282653 | METHOD FOR MAKING POLYPEPTIDES - The invention provides an improved method for producing polypeptides with a C-terminal glycine in a yeast transformant being characterized in having a non functional KEX1 gene. The method is in particular well suited to produce polypeptides with an aromatic amino acid residue attached to the C-terminal glycine. The yeast strain may have further non-functional protease genes selected from PEP4, YPS1, MKCI, YPS3, YPS5, YPS6, YPS7, PRB1, STE13 and KEX2. | 11-08-2012 |
20120309053 | THREE DIMENSIONAL POROUS STRUCTURES - A 3-dimensional porous polymeric structure comprising a porous polymer structure optionally with particles within the pores of the polymer and wherein the pores have a narrow pore-size distribution. The structure may be made by closely packing particles in a zone to provide a 3-dimensional array, contacting a polymerisable monomer with the array such that the composition fills interstitial spaces between the particles and effecting polymerisation of the monomer whereby a polymer structure is formed around the particles and optionally removing the particles from the structure. The 3-dimensional porous structure may be used in solid phase synthesis, immobilisation, cell culturing and preparation of a stationary phase for chromatographic separation, as an absorbent, an insulating material or in tissue regeneration. | 12-06-2012 |
20120322107 | METHODS OF INCREASING THE EXPRESSION YIELD OF VITAMIN K-DEPENDENT PROTEINS - The invention encompasses the use of one or more compounds selected from a list comprising i) reduced forms of vitamin K and/or ii) reduced forms of a vitamin K analog and/or iii) reduced forms of a vitamin K precursor for the expression of one or more functional vitamin K-dependent proteins in cell culture as well as processes for the fermentation of eucaryotic cells expressing one or more vitamin K-dependent proteins wherein one or more compounds selected from a list comprising i) reduced forms of vitamin K and/or ii) reduced forms of a vitamin K analog and/or iii) reduced forms of a vitamin K precursor are added to the cell culture medium before and/or during the fermentation process. | 12-20-2012 |
20120329092 | PROCESS FOR THE PURIFICATION OF GLYCOPROTEINS - The present invention relates to a process for the purification of a glycoprotein comprising subjecting a liquid containing said glycoprotein to the steps of:
| 12-27-2012 |
20130004992 | CELLS DEFICIENT IN CMP-N-ACETYLNEURAMINIC ACID HYDROXYLASE AND/OR GLYCOPROTEIN ALPHA-1,3-GALACTOSYLTRANSFERASE - The present invention provides non-human mammalian cell lines that are deficient in CMP-Neu5Ac hydroxylase (Cmah) and/or glycoprotein alpha-1,3-galactosyltransferase (Ggta1). Also provided are methods for using the cells disclosed herein for producing recombinant proteins with human-like patterns of glycosylation. | 01-03-2013 |
20130017574 | METHODS AND COMPOSITIONS FOR ENHANCED EXPRESSION AND SECRETION OF PROTEINS - Optimized signal peptide coding sequences for enhanced expression and secretion of protein from a cell and related compositions and methods are described. The optimized signal peptide coding sequence encodes an mRNA that contains at least one hairpin structure immediately downstream of the initiation codon. Methods for obtaining the optimized signal peptide coding sequences and methods for enhanced expression and secretion of proteins using the optimized signal peptide coding sequences are also described. | 01-17-2013 |
20130045506 | Polypeptides having cellulolytic enhancing activity and polynucleotides encoding same - The present invention relates to isolated polypeptides having cellulolytic enhancing activity and isolated polynucleotides encoding the polypeptides. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides. | 02-21-2013 |
20130122546 | NOVEL SIGNAL PEPTIDE, AND USE THEREOF FOR PRODUCING RECOMBINANT PROTEINS - A use of a signal peptide for producing a recombinant polypeptide of interest in an expression system, the signal peptide includes at least 12 amino acids of formula (I): | 05-16-2013 |
20130122547 | YEAST HOST, TRANSFORMANT AND METHOD FOR PRODUCING HETEROLOGOUS PROTEINS - A method of constructing a host for expression of an exogenous gene which comprises deleting or inactivating at least one gene selected from the protease-associated genes of | 05-16-2013 |
20130122548 | Eubacterial RNA-Polymerase Mutants With Altered Product Production - The present invention relates to an isolated mutant | 05-16-2013 |
20130157311 | Methods of Determination of Activation or inactivation of Atrial Natriuretic Peptide (ANP) and Brain Natriuretic Peptide (BNP) Hormonal Systems - An in vivo method of determining activation or inactivation of the atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP) hormonal systems, the method comprising simultaneously detecting the presence or amount of atrial and brain natriuretic peptide prohormones (proANP and proBNP) or fragments thereof in a sample. | 06-20-2013 |
20130157312 | NOVEL INTERGENIC ELEMENTS FOR ENHANCING GENE EXPRESSION - The present invention relates to nucleic acid fragments and constructs comprising genomic nucleotide sequences, which are present upstream of Rb1 and p15C that are associated with intergenic transcription, for the production of a gene product of interest in a eukaryotic, preferably mammalian, host cell in the presence of a stringent selectable marker. The invention further relates to host cells comprising the nucleic acid constructs, to methods for generating the host cells and to methods for producing a gene product of interest using the host cells. | 06-20-2013 |
20130164783 | Mammalian Cell Lines for Increasing Longevity and Protein Yield from a Cell Culture - Disclosed are compositions and methods for increasing the longevity of a cell culture and permitting the increased production of proteins, preferably recombinant proteins, such as antibodies, peptides, enzymes, growth factors, interleukins, interferons, hormones, and vaccines. Cells transfected with an apoptosis-inhibiting gene or vector, such as a triple mutant Bcl-2 gene, can survive longer in culture, resulting in extension of the state and yield of protein biosynthesis. Such transfected cells exhibit maximal cell densities that equal or exceed the maximal density achieved by the parent cell lines. Transfected cells can also be pre-adapted for growth in serum-free medium, greatly decreasing the time required to obtain protein production in serum-free medium. In certain methods, the pre-adapted cells can be used for protein production following transformation under serum-free conditions. The method preferably involves eukaryotic cells, more preferably mammalian cells. | 06-27-2013 |
20130171693 | PROCESS FOR PRODUCTION OF RECOMBINANT HUMAN GROWTH HORMONE - The subject invention provides an improved process for the production of human growth hormone. | 07-04-2013 |
20130196375 | BIOPHARMACEUTICAL PROCESS APPARATUSES ASSEMBLED INTO A COLUMN - A bio factory apparatus capable of Up-Stream production of biologic material products or biologics products in a liquid volume and processing of biologic or biologic material products Down-Stream, comprising at least one first Up-Stream producing capsule and at least one second Down-Stream processing capsule, said capsules capable of being stacked in any order and any number within a column. | 08-01-2013 |
20130203115 | MODIFIED NUCLEOSIDES, NUCLEOTIDES, AND NUCLEIC ACIDS, AND USES THEREOF - The present disclosure provides modified nucleosides, nucleotides, and nucleic acids, and methods of using thereof. | 08-08-2013 |
20130236929 | IMMORTALIZED AVIAN CELL LINES AND USE THEREOF - The present invention relates to specific immortalized avian cell lines expressing telomerase reverse transcriptase (TERT), and exhibiting distinct biologics production patterns. More particularly, the present invention relates to immortalized avian cell line capable of either amplifying Flaviviridae but not capable of amplifying Vaccinia virus strain Copenhagen (VV-COP) nor Modified Vaccinia virus Ankara (MVA), or capable of amplifying both Flaviviridae and Poxviridae. The invention further relates to the use of said immortalized avian cell lines and related methods for producing biologics, including viruses and proteins. | 09-12-2013 |
20130236930 | PROCESS FOR PRODUCING IGF-1 POLYPEPTIDES - A process is described for producing a polypeptide heterologous to | 09-12-2013 |
20130244280 | EXPRESSION VECTOR FOR HIGH LEVEL EXPRESSION OF RECOMBINANT PROTEINS - The present invention provides an expression vector for the production of proteins and peptides comprising a promoter operably linked to gene of interest, TPL and VA genes I and II, matrix attachment regions (MARs)/SARs, and antibiotic marker. The vector is transfected in suitable host cell. | 09-19-2013 |
20130323785 | METHOD FOR PRODUCING HUMAN EPIDERMAL GROWTH FACTOR IN LARGE VOLUME FROM YEAST - The present invention relates to a method for producing hEGF (human epidermal growth factor) which has the same activity as the wild form, in high concentration and with a high degree of purity. More specifically, the invention relates to an hEGF expression vector comprising a nucleic acid sequence coding for the polypeptide of sequence number 14; a host cell in which the expression vector has been genetically transformed; and a method for producing hEGF, comprising a step in which the expression vector is created and is genetically transformed in yeast from which the KEX1 gene is lacking. Using the method of the present invention, it is possible to produce a large volume of human derived EGF which has the same size and activity as human derived EGF, and this EGF can be used in various ways such as in medicine and cosmetics. | 12-05-2013 |
20140073009 | Methods for Producing Secreted Polypeptides - The present invention relates to methods for producing a polypeptide comprising using a signal peptide foreign to the polypeptide, nucleic acid constructs comprising a first and a second nucleotide sequence encoding the signal peptide and the polypeptide and expression vectors and host cells comprising said nucleic acid construct. The signal peptide is the LQ2 peptide which is a hybrid of sequence from the signal peptide of alpha amylase from | 03-13-2014 |
20140106403 | DRAIN DOWN AND RE-FEED OF MICROCARRIER BIOREACTOR - The invention provides a method of increasing product yield per culture in a population of product-secreting cells bound to a scaffold, for example, a microcarrier, at least partially immersed in a culture medium in a bioreactor. The method comprising: semi-harvesting product by removing a volume of the culture medium with a first-secreted product concentration while leaving the scaffold with the bound cells in the bioreactor; re-feeding the cells by adding a fresh culture medium to increase the culture medium in the bioreactor to approximately the original volume; agitating the culture medium to allow the cells to grow and release a second-secreted product concentration; harvesting product by removing the culture medium with the second-secreted product concentration while leaving the scaffold with the bound cells behind. Also disclosed is a method of increasing virus yield per culture in a population of virus-infected cells bound to a microcarrier suspended in a culture medium. | 04-17-2014 |
20140212924 | HUMAN RECOMBINANT GROWTH AND DIFFERENTIATON FACTOR-5 (RHGDF-5) - Expression vector systems are provided for increased production of a recombinant GDF-5 (rhGDF-5) protein. Also provided are transformed host cells that were engineered to produce and express high levels of rhGDF-5 protein. Methods for production and high expression of rhGDF-5 protein are disclosed herein. The methods of enhancing production and protein expression of rhGDF-5 protein as disclosed are cost-effective, time-saving and are of manufacturing quality. | 07-31-2014 |
20140220633 | PURIFICATION OF NOT-GLYCOSYLATED POLYPEPTIDES - The current invention reports a method for the purification of a not-glycosylated, heterologous polypeptide, which has been recombinantly produced in a prokaryotic cell, wherein the method comprises three chromatography steps of which the first chromatography step selected from i) hydrophobic charge induction chromatography, or ii) hydrophobic interaction chromatography, or iii) affinity chromatography, or iv) ion exchange chromatography, the second chromatography step is selected from i) anion exchange chromatography, or ii) cation exchange chromatography, or iii) hydroxylapatite chromatography, or iv) hydrophobic interaction chromatography, and the a third chromatography step is selected from i) hydrophobic charge induction chromatography, or ii) anion exchange chromatography, or iii) cation exchange chromatography, or iv) hydrophobic interaction chromatography, whereby the first chromatography step is an affinity chromatography in case of polypeptides capable of interacting with metal ligands, the second chromatography step is not a hydroxylapatite chromatography step in case of polypeptides with an isoelectric point below 6.0, and the third chromatography step can be performed in flow-through mode with polypeptides having a low or high isoelectric point. | 08-07-2014 |
20140255991 | OVEREXPRESSION OF AMINOACYL-tRNA SYNTHETASES FOR EFFICIENT PRODUCTION OF ENGINEERED PROTEINS CONTAINING AMINO ACID ANALOGUES - Methods for producing modified polypeptides containing amino acid analogues are disclosed. The invention further provides purified dihydrofolate reductase polypeptides, produced by the methods of the invention, in which the methionine residues have been replaced with homoallylglycine, homoproparglycine, norvaline, norleucine, cis-crotylglycine, trans-crotylglycine, 2-aminoheptanoic acid, 2-butynylglycine and allylglycine. | 09-11-2014 |
20140255992 | Process For Production Of Recombinant Human Growth Hormone - The subject invention provides an improved process for the production of human growth hormone. | 09-11-2014 |
20140287463 | ENGINEERED PICHIA STRAINS WITH IMPROVED FERMENTATION YIELD AND N-GLYCOSYLATION QUALITY - The present invention relates to novel engineered | 09-25-2014 |
20140295493 | Polypeptides Having Protease Activity and Polynucleotides Encoding Same - The present invention relates to isolated polypeptides having protease activity and isolated polynucleotides encoding the polypeptides. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods for producing and using the polypeptides. | 10-02-2014 |
20140322755 | CHEMICALLY MODIFIED SOPHOROLIPIDS AND USES THEREOF - The present disclosure provides a sophorolipid composition that can be used for inducing protein expression in a fermentation host. The sophorolipid composition described herein can be prepared from a natural sophorolipid mixture. Acid treatment of the natural sophorolipid mixture results in a mixture of monoacetylated, deacetylated, and/or diacetylated sophorolipids. The chemically modified sophorolipid composition, or isolated components of the chemically modified sophorolipid composition, can be used as inducers for protein production in filamentous fungi. | 10-30-2014 |
20140329276 | METHODS FOR INCREASING N-GLYCAN OCCUPANCY AND REDUCING PRODUCTION OF HYBRID N-GLYCANS IN PICHIA PASTORIS STRAINS LACKING ALG3 EXPRESSION - Methods for increasing the yield and N-glycosylation site occupancy of paucimannose or complex N-glycans of recombinant glycoproteins produced in a recombinant host cell lacking dolichyl-P-Man:Man5GlcNAc2-PP-dolichyl alpha-1,3 mannosyltransferase (Alg3p) activity are disclosed. In particular, recombinant host cells are provided that comprise a disruption of the expression of an OS-9 family gene in the host cell. These recombinant host cells may then be used for producing recombinant glycoproteins. In further embodiments, the recombinant host cells further overexpress at least one heterologous single-subunit oligosaccharyltransferase, which in particular embodiments is capable of functionally suppressing the lethal phenotype of a mutation of at least one essential protein of the yeast oligosaccharyltransferase (OTase) complex. | 11-06-2014 |
20140370546 | Protease Deficient Filamentous Fungal Cells and Methods of Use Thereof - The present disclosure relates to compositions and methods useful for the production of heterologous proteins in filamentous fungal cells. | 12-18-2014 |
20140377801 | ARTIFICIAL SIGNAL PEPTIDE FOR EXPRESSING AN INSOLUBLE PROTEIN AS A SOLUBLE ACTIVE FORM - The present invention relates to expression vectors and methods for enhancing soluble expression and secretion of an insoluble heterologous protein, particularly a bulky folded active heterologous protein which has one or more transmembrane-like domains or intramolecular disulfide bonds by linking a leader peptide with acidic or basic pl and high hydrophilicity thereto; by substituting one or more amino acids within N-terminal of the heterologous protein with ones having acidic or neutral pl and high hydrophilicity; or reducing elevating ΔG | 12-25-2014 |
20140377802 | Novel P. Pastoris Pastoris Promoters, and the Use Thereof to Direct Expression of Proteins in Yeast, Preferably Using a Haploid Mating Strategy - Novel promoters which are derived from | 12-25-2014 |
20150017685 | EFFICIENT PRODUCTION OF PEPTIDES - The present invention relates to processes for the production of peptides, and the peptides produced accordingly. Peptides produced according to the invention may be produced more efficiently than peptides produced according to prior art processes. The production process of the invention may lead to advantages in yield, purity, and/or price. Methods of marketing peptides are also disclosed. | 01-15-2015 |
20150024431 | THROMBOPOIETIC COMPOUNDS - The invention relates to the field of compounds, especially peptides or polypeptides, that have thrombopoietic activity. The peptides and polypeptides of the invention may be used to increase platelets or platelet precursors (e.g., megakaryocytes) in a mammal. | 01-22-2015 |
20150044721 | METHOD FOR THE PRODUCTION OF POLYPEPTIDES - New methods for the production of recombinant polypeptides from inclusion bodies are disclosed. Modulation of the cell culture conditions positively affects the yield of the recombinant polypeptide in active form. In one aspect, the methods comprise (a) cultivating a host cell at a first temperature, the host cell comprising a nucleic acid encoding a recombinant polypeptide, (b) lowering the cultivation temperature from the first temperature to a second temperature, and (c) cultivating the host cell at the second temperature. | 02-12-2015 |
20150072380 | COMPOSITIONS AND METHODS FOR IMPROVED PROTEIN PRODUCTION - The present invention relates to the identification of novel nucleic acid sequences, designated herein as 7p, 8k, 7E, 9G, 8Q and 203, in a host cell which effect protein production. The present invention also provides host cells having a mutation or deletion of part or all of the gene encoding 7p, 8k, 7E, 9G, 8Q and 203, which are presented in FIG. | 03-12-2015 |
20150079633 | PRODUCTION OF MODIFIED GLYCOPROTEINS HAVING MULTIPLE ANTENNARY STRUCTURES - The present invention relates to lower eukaryotic host cells having modified oligosaccharides which may be modified further by heterologous expression of a set of glycosyltransferases, sugar and sugar nucleotide transporters to become host-strains for the production of mammalian, e.g., human therapeutic glycoproteins. The process provides an engineered host cell which can be used to express and target any desirable gene(s) involved in glycosylation. Host cells with modified lipid-linked oligosaccharides are created or selected. N-glycans made in the engineered host cells exhibit GnTIV, GnTV, GnT VI or GnTIX activity, which produce multiantennary N-glycan structures and may be modified further by heterologous expression of one or more enzymes, e.g., glycosyltransferases, sugar, sugar nucleotide transporters, to yield human-like glycoproteins. For the production of therapeutic proteins, this method may be adapted to engineer cell lines in which any desired glycosylation structure may be obtained. | 03-19-2015 |
20150118710 | SECRETION OF FUNCTIONAL INSULIN GLARGINE DIRECTLY INTO THE CULTURE MEDIUM THROUGH OVER EXPRESSION OF KEX2P INTRACELLULARLY - The disclosure relates to a process of obtaining a fully folded two chain insulin glargine that require no further processing to make it functionally active. The present disclosure discloses a surprising effect of over expression of Kex2p intracellularly under the control of inducible FLD1 promoter in the host | 04-30-2015 |
20150147783 | Eubacterial RNA-Polymerase Mutants with Altered Product Production - The present invention relates to an isolated mutant eubacterium comprising at least one mutation resulting in a substitution of at least one amino acid in the beta-subunit of the RNA-polymerase encoded for by the rpoB-gene providing an altered production of a product of interest when said production of a product of interest is compared to the production of the same product in an isogenic wild type strain grown at identical conditions, wherein the substitution of at least one amino acid occurs at any of positions 469, 478, 482, 485, or 487 of SEQ ID NO:2, or at the equivalent positions in any eubacterial RNA-polymerase beta-subunit family member. Another aspect of the invention relates to a process for producing at least one product of interest in a mutant eubacterium and to a use of the mutant eubacterium according to the invention for producing at least one product of interest. | 05-28-2015 |
20150322131 | PRODUCTION OF THERAPEUTIC PROTEINS IN GENETICALLY MODIFIED MAMMALIAN CELLS - The invention relates to methods for the production of therapeutic proteins in mammalian cells. In one embodiment, the method comprises producing a therapeutic protein such as IGF-1 in a mammalian cell endogenously expressing a cognate receptor of said recombinant therapeutic protein and wherein binding of said therapeutic protein to said cognate receptor results in a low titer of the therapeutic protein, the method comprising with a mammalian cell being deficient in the expression of the cognate receptor of said therapeutic protein and being transformed with an expression vector comprising a nucleic acid molecule encoding the therapeutic protein: a. Cultivating said cell under conditions allowing the expression of the therapeutic protein; and b. Harvesting the therapeutic protein from the mammalian cell cultivated in step a, wherein said mammalian cell produces at least 1.5 fold more therapeutic protein than a cell in which the expression of the cognate receptor has not been so modified. | 11-12-2015 |
20150329872 | EXPRESSION CASSETTE - The present invention provides an expression cassette comprising ( | 11-19-2015 |
20150353620 | PROCESS FOR EXPRESSION OF RECOMBINANT PROTEINS IN PICHIA PASTORIS USING A FED BATCH MODEL - The present disclosure relates to a comprehensive model for expression of recombinant peptides by | 12-10-2015 |
20150361153 | INSULIN ANALOGUES WITH CHLORINATED AMINO ACIDS AND NUCLEIC ACIDS ENCODING THE SAME - An insulin analogue comprises a B-chain polypeptide incorporating a chlorinated phenylalanine. The chlorinated phenylalanine may be located at position B24. The chlorinated phenylalanine may be para-monochloro-phenylalanine. The analogue may be of a mammalian insulin, such as human insulin. A nucleic acid encodes such an insulin analogue. The chlorinated insulin analogues retain significant activity. A method of treating a patient comprises administering a physiologically effective amount of the insulin analogue or a physiologically acceptable salt thereof to a patient. Chlorine substitution-based stabilization of insulin may reduce fibrillation and thereby enhance the treatment of diabetes mellitus in regions of the developing world lacking refrigeration. | 12-17-2015 |
20160009779 | NOVEL FUSION TAGS AND EXPRESSION VECTOR SYSTEM FOR THE EXPRESSION OF HUMAN PARATHYROID HORMONE (RHPTH) | 01-14-2016 |
20160017281 | CELL EXPRESSION SYSTEM - An expression system for expressing a protein comprising: a eukaryotic host cell carrying a dihydrofolate reductase (DHFR) deficiency; and an expression vector, the expression vector encoding the human growth hormone gene; a expression vector, the expression vector comprising: a eukaryotic selectable marker including a minimal SV 40 early promoter driving expression of a sequence encoding dihydrofolate reductase for complementing the DHFR deficiency in the host cell; a prokaryotic selectable marker conveying Ampicillin resistance to a prokaryotic host cell; a prokaryotic Origin of Replication; a plurality of multiple cloning sites (MCS); and at least one protein expression module comprising: a Simian Vacuolating Virus 40 (SV40) early promoter, inclusive of its 72 bp enhancer repeats; and a rabbit β-globin intron sequence being separable from a SV40 p A sequence by a first multiple cloning site, for receiving a coding sequence and expressing a desired protein therefrom. | 01-21-2016 |
20160024509 | Expression Vector - An expression vector for expressing a target polypeptide in a prokaryotic cell is provided. The vector comprises a promoter operably linked to a polynucleotide encoding the target polypeptide operably linked to a eukaryotic secretion leader sequence, the eukaryotic secretion leader sequence encoding a signal peptide sequence selected from the group consisting of: a) MLKRSSWLATLGLLTVASVSTIVYA; b) MKKATFITCLLAVLLVSNPIWNA; c) MKVSAAALAVILIATALCAPASA; d) MKVSTAFLCLLLTVSAFSAQVLA; and e) MKCLLLALGLALACAAQA. Processes for expressing polypeptides and prokaryotic microorganisms comprising such vectors are also provided. | 01-28-2016 |
20160083689 | ANIMAL PROTEIN-FREE MEDIA FOR CULTIVATION OF CELLS - The present invention relates to animal protein-free cell culture media comprising polyamines and a plant- and/or yeast-derived hydrolysate. The invention also relates to animal protein-free culturing processes, wherein cells can be cultivated, propagated and passaged without adding supplementary animal proteins in the culture medium. These processes are useful in cultivating cells, such as recombinant cells or cells infected with a virus, and for producing biological products by cell culture processes. | 03-24-2016 |
20160122736 | CHEMICALLY MODIFIED SOPHOROLIPIDS AND USES THEREOF - The present disclosure provides a sophorolipid composition that can be used for inducing protein expression in a fermentation host. The sophorolipid composition described herein can be prepared from a natural sophorolipid mixture. Acid treatment of the natural sophorolipid mixture results in a mixture of monoacetylated, deacetylated, and/or diacetylated sophorolipids. The chemically modified sophorolipid composition, or isolated components of the chemically modified sophorolipid composition, can be used as inducers for protein production in filamentous fungi. | 05-05-2016 |
20160152991 | RECOMBINANT PROTEIN PRODUCTION IN HETEROLOGOUS SYSTEMS | 06-02-2016 |
20160159877 | FUSION PARTNERS FOR PEPTIDE PRODUCTION - The present invention relates to the field of medicine, in particular, to the production of large amounts of a soluble recombinant polypeptide as part of a fusion protein comprising an N-terminal fusion partner linked to the polypeptide of interest. | 06-09-2016 |
20160160236 | SELECTABLE MARKERS AND RELATED METHODS - The invention relates to newly identified selectable marker systems, cells for use in a selectable marker system, and methods for using the selectable marker systems. | 06-09-2016 |
20160194372 | CELL COMPOSITIONS DERIVED FROM DEDIFFERENTIATED REPROGRAMMED CELLS | 07-07-2016 |
20180023048 | ANIMAL PROTEIN-FREE MEDIA FOR CULTIVATION OF CELLS | 01-25-2018 |