Entries |
Document | Title | Date |
20080222739 | Therapeutic Clostridium difficile antibody compositions | 09-11-2008 |
20080235813 | Gene regulation in transgenic animals using a transposon-based vector - Administration of modified transposon-based vectors has been used to achieve stable incorporation of exogenous genes into animals. These transgenic animals produce transgenic progeny. Further, these transgenic animals produce large quantities of desired molecules encoded by the transgene. Transgenic egg-laying animals produce large quantities of desired molecules encoded by the transgene and deposit these molecules in the egg. | 09-25-2008 |
20080301823 | Polynucleotide for Producing Recombinant Protein in Silkworm - As novel means for causing any recombinant protein produced by the silkworm middle silk gland to be secreted in cocoons and easily extracting the recombinant protein from the cocoons without modification of the conformation of the protein, there is provided a polynucleotide that in an expression cassette for expression of a recombinant protein by the silkworm middle silk gland, is functionally linked to a recombinant protein structure gene, which polynucleotide is one composed of a polynucleotide constructing the promoter regions of sericin 1 or sericin 2 gene and, functionally linked thereto, a polynucleotide constructing the homologous regions of baculovirus. | 12-04-2008 |
20090100533 | Expression of gamma-carboxylated polypeptides in gamma-carboxylation deficient host sytems - The present invention relates to a novel method for preparing gamma-carboxylated poly-peptides, including coagulation Factors VII, IX, X and Protein C. The present invention also relates to novel host cells and recombinant vectors to be used in this improved method for preparing gamma-carboxylated polypeptides. | 04-16-2009 |
20090133134 | METHOD AND COMPOSITION FOR GENETICALLY MODIFYING NON-HUMAN CELLS AND ANIMALS - The present invention is directed to a vector and its use to generate genetically modified animals and cells. One aspect of this invention involves a vector that comprises a sperm cell and one or more polynucleotide molecules bound to a sperm cell through one or more sperm antibody linker. The sperm cell can be any animal sperm cell, preferably non-human animal such as a mouse, pig, sheep, goat, or chicken. In one preferred embodiment of this invention, the one or more polynucleotide molecules encode for a gene product that confers desired characteristics in the cells or the animals. In another preferred embodiment of this invention, the genetically modified cells are able to produce desired therapeutic proteins. The association of the sperm, linker, and the one or more polynucleotide can also occur in vitro or in vivo. In another embodiment, the genetically modified cells are transgenic chicken eggs in which one or more desired recombinant protein is expressed. | 05-21-2009 |
20090178147 | Glycosylation in avians - Transgenic avians which produce proteins in their oviduct tissue having modified oligosaccharide structures and methods of making such avians are disclosed herein. The invention also includes the modified proteins produced in the transgenic birds. | 07-09-2009 |
20090193529 | Method for Generating Antibodies - Methods for generating antibodies in rodents are disclosed. The antibodies are useful as therapeutic agents, diagnostic agents or research reagents. | 07-30-2009 |
20090199306 | Fucosyl transferase gene - A DNA molecule is provided which comprises a sequence according to SEQ ID NO: 1 having an open reading frame from base pair 211 to base pair 1740 or having at least 50% homology to the above-indicated sequence, or hybridizing with the above-indicated sequence under stringent conditions, or comprising a sequence which has degenerated to the above-indicated DNA sequence because of the genetic code, the sequence coding for a plant protein having fucosyltransferase activity or being complementary thereto. | 08-06-2009 |
20090210951 | Avian transgenesis using an ovalbumin nucleotide sequence - The invention includes delivering to an avian a nucleic acid molecule which includes nucleotide sequence of an ovalbumin gene expression controlling region and a heterologous coding sequence operably linked to the gene expression controlling region wherein the heterologous coding sequence is expressed in a cell of the avian. | 08-20-2009 |
20090217392 | ANTI- INTEGRIN ANTIBODIES, COMPOSITIONS, METHODS AND USES - The present invention relates to at least one novel anti-alpha-V subunit antibodies, including isolated nucleic acids that encode at least one anti-alpha-V subunit antibody, alpha-V subunit, vectors, host cells, transgenic animals or plants, and methods of making and using thereof, including therapeutic compositions, methods and devices. | 08-27-2009 |
20090288178 | INSECT CELL LINE FOR PRODUCTION OF RECOMBINANT GLYCOPROTEINS WITH SULFATED COMPLEX N-GLYCANS - A transgenic insect cell line for production of recombinant glycoproteins possessing sulfated, complex N-glycans is provided. | 11-19-2009 |
20090307786 | Methods for producing a protein using an avian lysozyme promoter - The invention includes methods of producing proteins in transgenic avians containing nucleic acids in their genome which contain an exogenous lysozyme gene expression controlling nucleotide sequence which typically is linked to a polynucleotide encoding a heterologous polypeptide. | 12-10-2009 |
20100071080 | ANTIBODIES TO SULFATED CARBOHYDRATES - The present invention relates to antibodies and antigen-binding portions thereof that specifically bind to chondroitin sulfate, particularly CS-A, CS-C and CS-E tetrasaccharides. The present invention also relates to methods of making anti-CS antibodies, pharmaceutical compositions comprising these antibodies and methods of using the antibodies and compositions thereof for diagnosis and treatment. | 03-18-2010 |
20100077494 | Ungulates with Genetically Modified Immune Systems - The present invention provides ungulate animals, tissue and organs as well as cells and cell lines derived from such animals, tissue and organs, which lack expression of functional endogenous immunoglobulin loci. The present invention also provides ungulate animals, tissue and organs as well as cells and cell lines derived from such animals, tissue and organs, which express xenogenous, such as human, immunoglobulin loci. The present invention further provides ungulate, such as porcine genomic DNA sequence of porcine heavy and light chain immunogobulins. Such animals, tissues, organs and cells can be used in research and medical therapy. In addition, methods are provided to prepare such animals, organs, tissues, and cells. | 03-25-2010 |
20100083389 | Production of heterologous protein in the avian oviduct - The invention includes methods of making transgenic avians by introducing a nucleic acid sequence into the genome of an avian embryo wherein the nucleic acid sequence comprises a nucleotide sequence encoding a heterologous protein, developing the avian embryo to hatch, developing the hatched chick to sexual maturity and obtaining offspring from the sexually mature hatched chick which produce egg white containing the heterologous protein. | 04-01-2010 |
20100122358 | H-Chain-only antibodies - The invention relates to mice having functionally silenced endogenous lambda (λ) and kappa (κ) L-chain loci, comprising antibody-producing cells in which the C | 05-13-2010 |
20100146647 | Antibody producing non-human mammals - Described are transgenic, non-human animals comprising a nucleic acid encoding an immunoglobulin light chain, whereby the immunoglobulin light chain is human, human-like, or humanized. The nucleic acid is provided with a means that renders it resistant to DNA rearrangements and/or somatic hypermutations. In one embodiment, the nucleic acid comprises an expression cassette for the expression of a desired molecule in cells during a certain stage of development in cells developing into mature B cells. Further provided is methods for producing an immunoglobulin from the transgenic, non-human animal. | 06-10-2010 |
20100162417 | METHODS FOR INCREASING THE DIVERSITY OF MONOCLONAL ANTIBODIES PRODUCED AGAINST AN ANTIGEN - The present invention relates to methods for increasing the diversity of monoclonal antibodies produced against an antigen. The methods of the invention utilize immunization of a murine host defective in one or more enzymes involved in a post-translational modification of a polypeptide or a modification of a lipid, wherein said modification is exposed on a cell surface. The invention also relates to monoclonal antibodies produced by these methods and which are not produced when a normal mouse is immunized with the same antigen. The invention further relates to compositions comprising these monoclonal antibodies, as well as to such monoclonal antibodies bound or conjugated to a toxin, a detectable marker or to a solid support. | 06-24-2010 |
20100186099 | Production of Human Glycosylated Proteins in Silk Worm - A transgenic silkworm system for recombinant glycoprotein production is provided. | 07-22-2010 |
20100205678 | OOCYTE SPINDLE-ASSOCIATED FACTORS IMPROVE SOMATIC CELL CLONING - The invention pertains to the discovery that the presence of oocyte spindle associated factors in an enucleated oocyte improves oocyte quality and subsequently nuclear transfer. In particular, it was discovered that maintaining oocyte spindle factors in the oocyte after enucleation improves oocyte quality for use in nuclear transfer methodology. | 08-12-2010 |
20100212030 | USE OF N-TERMINAL AND C-TERMINAL PROTEOMICS TECHNOLOGY TO ENHANCE PROTEIN THERAPEUTICS AND DIAGNOSTICS - The present invention provides a novel method for stabilizing proteins, by first identifying the proteolytic sites using N- or C-terminal technology, followed by modification of said sites in order to create stabilized proteins, no longer subject to proteolytic cleavage. the method of the invention immediately provides the user with the exact amino acid position of the proteolytic cleavage site in the protein(s) of interest, even in a complex protein sample. This makes the specific modification of such a site much easier and increases the expectation of success as compared to the amount of effort needed, even in a complex protein sample. | 08-19-2010 |
20100235929 | Compositions and Methods for Producing Antibodies Having Human Idiotypes in Transgenic Birds - The invention relates to compositions and methods for producing antibodies having human idiotypes in non-human animals. | 09-16-2010 |
20100281549 | Transgenic Production In Saliva - The invention relates to the production of proteins and other substances of interest in saliva of transgenic animals, particularly in mammals that produce large quantities of saliva, particularly monogastric ruminants, and ovine, caprine and bovine mammals. Preferred embodiments of the invention relate in particular to the production of foreign and modified proteins in the transgenic saliva of these animals, including particularly human fibrinogen, human prothrombin and human thrombin, among others. The invention relates as well to methods, devices, genetic constructs and to transgenic constructs for making the proteins and other substances of interest, to novel saliva and saliva-derived compositions, novel products produced from the saliva, and to uses of the saliva, saliva-derived compositions and novel products. | 11-04-2010 |
20100287629 | Transgenic Non-Human Animals For Producing Chimeric Antibodies - The invention relates to transgenic non-human animals capable of producing heterologous antibodies and methods for producing human sequence antibodies which bind to human antigens with substantial affinity. | 11-11-2010 |
20100333218 | TRANSGENIC PROTEINS FROM MULTI-GENE SYSTEMS, METHODS, COMPOSITIONS, USES AND THE LIKE RELATING THERETO - A non-human transgenic mammalian animal, as described above, contains one or more exogenous double stranded DNA sequence(s) stably integrated into the genome of the animal, which comprises trans-acting regulatory units controlling expression of DNA sequences encoding proteins to be secreted into the milk of transgenic mammals. The DNA sequence of the trans-regulatory gene encodes transcriptional activating proteins, which are not secreted but made in a temporally controlled and mammary tissue specific manner. The DNA sequence containing the protein to be secreted in the milk is constructed on a separate gene sequence under the regulation of a minimal promoter and a trans-activation binding domain. The transgenic mammals are preferably pigs, cows, sheep, goats and rabbits. A related composition and method for making transgenic proteins which require specialized propeptides for proper post-translational processing is also described. | 12-30-2010 |
20100333219 | Methods of protein production using ovomucoid regulatory regions - Methods of producing protein using a recombinant ovomucoid gene expression controlling region operably linked to one or more useful amino acid coding sequences. | 12-30-2010 |
20110004948 | IMMUNOGLOBULIN 2 - The present invention relates to a method for the generation of single chain immunoglobulins in a mammal. In particular, the present invention relates to a method for the generation of single chain camelid VHH antibodies in a mammal which undergo the process of class-switching and affinity maturation found within antibody producing B cells. Single chain antibodies generated using the method of the present invention and the uses thereof are also described. | 01-06-2011 |
20110004949 | IMMUNOGLOBULIN 1 - The present invention relates to a method for the generation of single chain immunoglobulins in a mammal. In particular, the present invention relates to a method for the generation of single chain camelid VHH antibodies in a mammal which undergo the process of class-switching and affinity maturation found within antibody producing B cells. Single chain antibodies generated using the method of the present invention and the uses thereof are also described. | 01-06-2011 |
20110035817 | SIVA 3, ITS PREPARATION AND USE - The present invention relates to a splice variant of SIVA, SIVA3, and to its use. | 02-10-2011 |
20110093961 | MOUSE LAMBDA LIGHT CHAIN LOCUS - The present invention provides in a first aspect a mouse in which the λ (lambda) light chain locus has been functionally silenced. In one embodiment, the mouse λ light chain locus was functional silenced by deletion of gene segments coding for the λ light chain locus. In a further aspect, a mouse containing functionally silenced λ and κ (kappa) L chain loci was produced. The invention is useful for the production of antibodies, for example heterologous antibodies, including heavy chain only antibodies. | 04-21-2011 |
20110162093 | METHODS FOR PRODUCING ANTIBODIES - [Problems to be Solved] The present invention provides methods for producing antibodies and antibody-producing cells. | 06-30-2011 |
20110179503 | PROTEIN PRODUCTION IN A HOST - Recombinant DNA constructs that provide for expression of desired target proteins as protein bodies in various host cells, tissues, and organisms are disclosed. Such recombinant DNA constructs contain a heterologous polynucleotide comprising an ER luminal folding chaperone interacting domain (CID), a sequence that codes for a trans-membrane domain (TMD); and a sequence that codes for a protein-protein interaction domain (PPID) that are operably linked to a sequence encoding the desired target protein. Proteins obtained from the constructs, host cells containing the constructs, and methods for obtaining desired target proteins encoded by the constructs are also disclosed. | 07-21-2011 |
20110191866 | METHODS OF MAKING MONOCLONAL ANTIBODIES USING FUSION-PEPTIDE EPITOPE ADOPTIVE TRANSFER (F-PEAT) TECHNOLOGY - Disclosed are compositions and methods for related to monoclonal antibodies specific for single amino acid variation in an antigen. | 08-04-2011 |
20110203009 | METHOD FOR PRODUCING GLYCOPROTEIN CHARACTERIZED BY SUGAR CHAIN STRUCTURE BY USING SILKWORM - It is an object of the present invention to investigate what kinds of structures a sugar chain has by performing a sugar chain structural analysis of a glycoprotein produced in a transgenic silkworm. For the sugar chain of the glycoprotein produced in the transgenic silkworm, a glycoprotein having a sugar chain structure in which fucose is not linked to N-acetylglucosamine at a reducing terminal of the sugar chain is obtained. In addition, a glycoprotein having an almost completely humanized sugar chain structure is obtained by further integrating GalT gene into this transgenic silkworm. | 08-18-2011 |
20110203010 | INSECT-DERIVED PROMOTERS FOR FOREIGN PROTEINS EXPRESSION IN INSECT CELLS - Insect-derived promoters for foreign proteins expression in insect cells. Regulatory polynucleotide sequences which drive the expression of major insect proteins (hexamerins) at specific evolution stages of larva have been isolated from insects ( | 08-18-2011 |
20110209228 | METHOD OF TREATMENT USING ANTIMICROBIAL COMPOSITION - The present invention provides peptides and analogs and derivatives thereof having antimicrobial activity at least against | 08-25-2011 |
20110239313 | METHOD FOR PRODUCTION OF TRACP5b - Silkworms which have (i) a DNA encoding a transcriptional regulator operably linked downstream of a promoter of a DNA encoding a protein specifically expressed in the silk gland and (ii) a DNA encoding TRACP5 operably linked downstream of a target promoter of the transcriptional regulator were produced. The result showed that active TRACP5b was produced from the silkworms. This means that TRACP5 produced from the silk gland of the silkworms undergoes processing in the silk gland that is similar to the processing taking place at bone resorption sites. | 09-29-2011 |
20110258710 | Methods of Modifying Eukaryotic Cells - A method for engineering and utilizing large DNA vectors to target, via homologous recombination, and modify, in any desirable fashion, endogenous genes and chromosomal loci in eukaryotic cells. These large DNA targeting vectors for eukaryotic cells, termed LTVECs, are derived from fragments of cloned genomic DNA larger than those typically used by other approaches intended to perform homologous targeting in eukaryotic cells. Also provided is a rapid and convenient method of detecting eukaryotic cells in which the LTVEC has correctly targeted and modified the desired endogenous gene(s) or chromosomal locus (loci) as well as the use of these cells to generate organisms bearing the genetic modification. | 10-20-2011 |
20110296541 | PRODUCTION OF PROTEINS IN EGGS - Methods for preparing recombinant proteins, such as antibodies, in eggs are described. The method offers advantages over existing systems for preparing recombinant proteins including high yield, low cost and compatibility with animal protection regulations. In addition, since eggs are edible food sources the recombinant protein does not have to be isolated from the egg. | 12-01-2011 |
20110314562 | Insect Infection Method for Production of Proteins - The present invention provides an insect infection method for use in the production of a protein with a baculovirus expression vector in the insect, the method comprising the steps of:
| 12-22-2011 |
20110314563 | ANTIBODY PRODUCTION - A non-human mammal containing an endogenous lambda light chain gene locus, an endogenous kappa light chain gene locus and an endogenous heavy chain gene locus, each of which can re-arrange so that immunoglobulin heavy and light chain genes are formed and expressed in B-cells following antigen challenge but said loci have been mutated so that the ability to form functional immunoglobulin tetramers comprising re-arranged heavy and light chains produced from said mutated loci has been substantially reduced or eliminated. | 12-22-2011 |
20120047585 | HCO32 AND HCO27 AND RELATED EXAMPLES - The instant invention relates to transgenic non-human animals capable of producing heterologous antibodies, transgenes used to produce such transgenic animals, transgenes capable of functionally rearranging a heterologous D gene in V-D-J recombination, immortalized B-cells capable of producing heterologous antibodies, methods and transgenes for producing heterologous antibodies of multiple isotypes, methods and transgenes for producing heterologous antibodies wherein a variable region sequence comprises somatic mutation as compared to germline rearranged variable region sequences, transgenic nonhuman animals which produce antibodies having a human primary sequence and which bind to human antigens, hybridomas made from B cells of such transgenic animals, and monoclonal antibodies expressed by such hybridomas. | 02-23-2012 |
20120096569 | ANTI-IL-6 ANTIBODIES,COMPOSITIONS, METHODS AND USES - The present invention relates to at least one novel chimeric, humanized or CDR-grafted anti-IL-6 antibodies derived from the murine CLB-8 antibody, including isolated nucleic acids that encode at least one such anti-IL-6 antibody, vectors, host cells, transgenic animals or plants, and methods of making and using thereof, including therapeutic compositions, methods and devices. | 04-19-2012 |
20120117669 | HUMAN ANTIBODIES DERIVED FROM IMMUNIZED XENOMICE - Fully human antibodies against a specific antigen can be prepared by administering the antigen to a transgenic animal which has been modified to produce such antibodies in response to antigenic challenge, but whose endogenous loci have been disabled. Various subsequent manipulations can be performed to obtain either antibodies per se or analogs thereof. | 05-10-2012 |
20120117670 | HUMANIZED AXL ANTIBODIES - The present invention refers to monoclonal humanized antibodies, which bind to the extracellular domain of the AXL receptor tyrosine kinase and which at least partially inhibit AXL activity. | 05-10-2012 |
20120272344 | TRANSGENIC ANIMALS EXPRESSING CHIMERIC ANTIBODIES FOR USE IN PREPARING HUMAN ANTIBODIES - The invention provides transgene constructs for expressing chimeric antibodies, and transgenic non-human host animals carrying such constructs, wherein the chimeric antibodies comprise human variable regions and constant regions of the non-human transgenic host animal. The presence of immunoglobulin constant regions of the host animal allows for generation of improved antibodies in such transgenic host animals. Subsequently, the chimeric antibodies can be readily converted to fully human antibodies using recombinant DNA techniques. Thus, the invention provides compositions and methods for generating human antibodies in which chimeric antibodies raised in vivo in transgenic mice are used as intermediates and then converted to fully human antibodies in vitro. | 10-25-2012 |
20130024956 | ANTIBODIES TO CD40 - The present invention relates to antibodies and antigen-binding portions thereof that specifically bind to CD40, preferably human CD40, and that function as CD40 agonists. The invention also relates to human anti-CD40 antibodies and antigen-binding portions thereof. The invention also relates to antibodies that are chimeric, bispecific, derivatized, single chain antibodies or portions of fusion proteins. The invention also relates to isolated heavy and light chain immunoglobulins derived from human anti-CD40 antibodies and nucleic acid molecules encoding such immunoglobulins. The present invention also relates to methods of making human anti-CD40 antibodies, compositions comprising these antibodies and methods of using the antibodies and compositions for diagnosis and treatment. The invention also provides gene therapy methods using nucleic acid molecules encoding the heavy and/or light immunoglobulin molecules that comprise the human anti-CD40 antibodies. The invention also relates to transgenic animals comprising nucleic acid molecules of the present invention. | 01-24-2013 |
20130145484 | ANTIBODY PRODUCING NON-HUMAN MAMMALS - Described are transgenic, non-human animals comprising a nucleic acid encoding an immunoglobulin light chain, whereby the immunoglobulin light chain is human, human-like, or humanized. The nucleic acid is provided with a means that renders it resistant to DNA rearrangements and/or somatic hypermutations. In one embodiment, the nucleic acid comprises an expression cassette for the expression of a desired molecule in cells during a certain stage of development in cells developing into mature B cells. Further provided is methods for producing an immunoglobulin from the transgenic, non-human animal. | 06-06-2013 |
20130212717 | METHOD FOR PRODUCING PENTAMERIC CRP, PENTAMERIC CRP-PRODUCING TRANSGENIC SILKWORM AND METHOD FOR CONSTRUCTING SAME, DNA ENCODING CANINE MONOMERIC CRP AND EXPRESSION VECTOR CONTAINING THE DNA - Pentameric CRP is produced at a high efficiency by transferring DNA, which encodes monomeric CRP, into a silkworm to thereby construct a transgenic silkworm and then collecting and purifying pentameric CRP that is produced by the transgenic silkworm constructed above. | 08-15-2013 |
20130212718 | CHIMERIC SPIDER SILK AND USES THEREOF - Transgenic silkworms comprising at least one nucleic acid encoding a chimeric silk polypeptide comprising one or more spider silk elasticity and strength motifs are disclosed. Expression cassettes comprising nucleic acids encoding a variety of chimeric spider silk polypeptides (Spider 2, Spider 4, Spider 6, Spider 8) are also disclosed. A piggyBac vector system is used to incorporate nucleic acids encoding chimeric spider silk polypeptides into the mutant silkworms to generate stable transgenic silkworms. Chimeric silk fibers having improved tensile strength and elasticity characteristics compared to native silkworm silk fibers are also provided. The transgenic silkworms greatly facilitate the commercial production of chimeric silk fibers suitable for use in a wide variety of medical and industrial applications. | 08-15-2013 |
20130239236 | Regulation of translation of expressed genes - The present invention describes mRNA usage improving and/or translation-enhancing nucleic acid sequences, nucleic acid constructs comprising such sequences, and host cells comprising such nucleic acid constructs. The invention further pertains to a method for expressing a protein of interest in a cell or organism using such nucleic acid sequences, as well as their uses for increasing integration of such nucleic acid construct into a genome, for enhancing mRNA usage and/or translation of a recombinantly expressed polypeptide, and for increasing the number of transformants upon transformation of a cell with such nucleic acid construct. | 09-12-2013 |
20130276153 | Production of Transgenic Avians Using Improved Retroviral Vectors - A transgenic avian containing in its genome an exogenous nucleotide sequence which includes a promoter component and a vector with reduced promoter interference wherein the exogenous nucleotide sequence is integrated into the genome and the avian. | 10-17-2013 |
20130318643 | ANIMAL MODELS AND THERAPEUTIC MOLECULES - The invention discloses methods for the generation of chimaeric human-non-human antibodies and chimaeric antibody chains, antibodies and antibody chains so produced, and derivatives thereof including fully humanised antibodies; compositions comprising said antibodies, antibody chains and derivatives, as well as cells, non-human mammals and vectors, suitable for use in said methods. | 11-28-2013 |
20140201854 | ANIMAL MODELS AND THERAPEUTIC MOLECULES - The invention discloses methods for the generation of chimaeric human-non-human antibodies and chimaeric antibody chains, antibodies and antibody chains so produced, and derivatives thereof including fully humanised antibodies; compositions comprising said antibodies, antibody chains and derivatives, as well as cells, non-human mammals and vectors, suitable for use in said methods. | 07-17-2014 |
20140245465 | TRANSGENIC BIRD EXPRESSING FOREIGN GENE USING ENDOPLASMIC RETICULUM CHAPERONE PROMOTER - An aim is to produce a suitable foreign protein in egg white in transgenic birds at levels equivalent to or higher than the expression levels achieved using an ovalbumin promoter or an actin promoter, and to reduce the great burden on birds by reducing the expression at sites other than the oviduct while achieving expression sufficient to predict the expression levels before the birds reach sexual maturity. Provided is a transgenic bird containing a nucleic acid base sequence in chromosome in a cell that forms the oviduct, the sequence containing: (a) an avian endoplasmic reticulum chaperone promoter; and (b) a nucleic acid base sequence encoding a suitable foreign protein, functionally linked to the promoter. Also provided is a method for producing a suitable foreign protein, including recovering the suitable foreign protein from the transgenic bird. Further provided is a method for producing a transgenic bird, including introducing a nucleic acid base sequence into a chromosome in a cell that forms the oviduct, the sequence containing: (a) an avian endoplasmic reticulum chaperone promoter; and (b) a nucleic acid base sequence encoding a suitable foreign protein, functionally linked to the promoter. | 08-28-2014 |
20140289876 | MICE THAT MAKE HEAVY CHAIN ANTIBODIES - Genetically modified non-human animals and methods and compositions for making and using them are provided, wherein the genetic modification comprises a deletion in an immunoglobulin constant region CH1 gene (optionally a deletion in a hinge region) of an IgG, IgA, IgD, and/or IgE, and wherein the mouse is capable of expressing a functional IgM. Genetically modified mice are described, including mice having a functional IgM gene and modified to have a deletion of a CH1 domain and a hinge region in a heavy chain constant domain that is not an IgM, e.g., in an IgG heavy chain constant domain. Genetically modified mice that make human variable/mouse constant chimeric heavy chain antibodies (antibodies that lack a light chain), fully mouse heavy chain antibodies, or fully human heavy chain antibodies are provided. | 09-25-2014 |
20140317765 | TRANSGENIC BIRDS THAT PRODUCE CHIMERIC HUMAN IMMUNOGLOBULINS - The invention relates to transgenic birds capable of producing chimeric immunoglobulins, with a combination of human and avian sequence, in their B cells. In some embodiments, the birds are chickens. When challenged with an antigen, the transgenic avians produce antigen-specific functional antibodies. The invention also relates to light chain immunoglobulin transgenes for making such transgenic avians, as well as methods and vectors for disrupting endogenous immunoglobulin loci in birds. | 10-23-2014 |
20150113668 | POLYNUCLEOTIDES ENCODING RODENT ANTIBODIES WITH HUMAN IDIOTYPES AND ANIMALS COMPRISING SAME - The invention relates to polynucleotides, particularly chimeric polynucleotides useful for optimal production of functional immunoglobulins with human idiotypes in rodents. The invention further relates to rodents comprising such polynucleotides. | 04-23-2015 |
20150307899 | BACULOVIRUS SYSTEM FOR EXPRESSING PROTEINS FORMING VIRUS-LIKE PARTICLES - The present invention may be included in the field of biotechnology and it covers the improved production of recombinant proteins in insect cells or insect larvae as biofactories by a novel expression cassette. This expression cassette comprises nucleic acid sequences such as promoters, homologous regions (hr) as enhancers, and sequences encoding transcriptional regulators, for example, the baculovirus Ac-ie-01 cDNA, or any combination thereof, which are able to increase the quality and production efficiency of the recombinant proteins. Moreover, the present invention is also directed to the vectors themselves comprising the above mentioned nucleic acid sequences of the invention, cells or insects infected, transformed or transfected with those sequences or vectors, and methods for producing the recombinant proteins by using the aforesaid sequences, vectors, cells or insects. | 10-29-2015 |
20150322122 | Transgenic Silkworms Capable of Producing Chimeric Spider Silk Polypeptides and Fibers - Transgenic silkworms comprising at least one nucleic acid encoding a chimeric silk polypeptide comprising one or more spider silk elasticity and strength motifs are disclosed. Expression cassettes comprising nucleic acids encoding a variety of chimeric spider silk polypeptides (Spider 2, Spider 4, Spider 6, Spider 8) are also disclosed. A piggyBac vector system is used to incorporate nucleic acids encoding chimeric spider silk polypeptides into the mutant silkworms to generate stable transgenic silkworms. Chimeric silk fibers having improved tensile strength and elasticity characteristics compared to native silkworm silk fibers are also provided. The transgenic silkworms greatly facilitate the commercial production of chimeric silk fibers suitable for use in a wide variety of medical and industrial applications. | 11-12-2015 |
20160021856 | GENETICALLY MODIFIED T CELL RECEPTOR MICE - The invention provides a genetically modified non-human animal that comprises in its genome unrearranged T cell receptor variable gene loci, as well as embryos, cells, and tissues comprising the same. Also provided are constructs for making said genetically modified non-human animal and methods of making the same. Various methods of using the genetically modified non-human animal are also provided. | 01-28-2016 |
20160176919 | CELL SPECIFIC LABELING OF NEWLY SYNTHESIZED PROTEINS | 06-23-2016 |
20160200761 | BUOYANT PROTEIN HARVESTING DEVICE | 07-14-2016 |