Patent application number | Description | Published |
20090023215 | Novel reagents for transfection of eukaryotic cells - Compositions and methods for improved delivery of macromolecules into eukaryotic cells are provided. Fusogenic peptides from fusion proteins of non-enveloped viruses enhance the efficiency of transfection of eukaryotic cells mediated by transfection agents such as cationic lipids, polycationic polymers such as PEI and dendrimers. These fusogenic peptides are used as part of a transfection complex that efficiently delivers a macromolecule, for example, a nucleic acid, into a eukaryotic cell. Novel cationic lipids and compositions of cationic lipids also are provided that may be used for the introduction of macromolecules such as nucleic acids, proteins and peptides into a variety of cells and tissues. The lipids can be used alone, in combination with other lipids and/or in combination with fusogenic peptides to prepare transfection complexes. | 01-22-2009 |
20090215067 | NOVEL LIPIDS FOR TRANSFECTION OF NUCLEIC ACIDS - Cationic lipid compositions are provided that are useful for efficient delivery of macromolecules, such as nucleic acids, into a wide variety of eukaryotic cell types. Methods for using the compositions also are provided. | 08-27-2009 |
20090264304 | NORMALIZED NUCLEIC ACID LIBRARIES AND METHODS OF PRODUCTION THEREOF - The present invention relates generally to methods for producing normalized nucleic acid libraries in which each member of the library can be isolated with approximately equivalent probability. In particular, the present methods comprise subtractive hybridization of a nucleic acid library with haptenylated (e.g., biotinylated, avidinated or streptavidinated) nucleic acid molecules that are complementary to one or more of the nucleic acid molecules of the library, such that the variation in the abundances of the individual nucleic acid molecules in the library is reduced. The invention also relates to production of normalized nucleic acid libraries (particularly cDNA libraries) in which contaminating nucleic acid molecules have been reduced or eliminated, and to normalized nucleic acid libraries produced by such methods. | 10-22-2009 |
20100279898 | NORMALIZED NUCLEIC ACID LIBRARIES AND METHODS OF PRODUCTION THEREOF - The present invention relates generally to methods for producing normalized nucleic acid libraries in which each member of the library can be isolated with approximately equivalent probability. In particular, the present methods comprise subtractive hybridization of a nucleic acid library with haptenylated (e.g., biotinylated, avidinated or streptavidinated) nucleic acid molecules that are complementary to one or more of the nucleic acid molecules of the library, such that the variation in the abundances of the individual nucleic acid molecules in the library is reduced. The invention also relates to production of normalized nucleic acid libraries (particularly cDNA libraries) in which contaminating nucleic acid molecules have been reduced or eliminated, and to normalized nucleic acid libraries produced by such methods. | 11-04-2010 |
20120071354 | NORMALIZED NUCLEIC ACID LIBRARIES AND METHODS OF PRODUCTION THEREOF - The present invention relates generally to methods for producing normalized nucleic acid libraries in which each member of the library can be isolated with approximately equivalent probability. In particular, the present methods comprise subtractive hybridization of a nucleic acid library with haptenylated (e.g., biotinylated, avidinated or streptavidinated) nucleic acid molecules that are complementary to one or more of the nucleic acid molecules of the library, such that the variation in the abundances of the individual nucleic acid molecules in the library is reduced. The invention also relates to production of normalized nucleic acid libraries (particularly cDNA libraries) in which contaminating nucleic acid molecules have been reduced or eliminated, and to normalized nucleic acid libraries produced by such methods. | 03-22-2012 |
20140295502 | cDNA Synthesis Improvements - The present invention generally relates to methods of making cDNA molecules and cDNA libraries. The invention also relates to cDNA molecules and cDNA libraries produced according to these methods, as well as to vectors and host cells containing such cDNA molecules and libraries. The invention also relates to kits for making the cDNA molecules and libraries of the invention. | 10-02-2014 |
Patent application number | Description | Published |
20100081171 | METHOD FOR LYOPHILIZING COMPETENT CELLS - This invention relates to a method for producing cells which are competent for transformation and which may be stably stored for extended periods of time at various temperatures. The method involves growing cells in a growth conducive medium, rendering said cells competent, and lyophilizing said competent cells. The invention further relates to competent cells produced by such a method, to methods of transforming said cells with a DNA molecule, and to a method of producing a desired protein or polypeptide from said transformed cells. | 04-01-2010 |
20100093989 | Methods For Production And Purification Of Nucleic Acid Molecules - The present invention is directed to methods for the production and isolation of nucleic acid molecules. In particular, the invention concerns isolation of mRNA molecules and the production and isolation of nucleic acid molecules (e.g., cDNA molecules or libraries), which may be single- or double-stranded. Additionally, the invention concerns selection and isolation of particular nucleic acid molecules of interest from a sample which may contain a population of molecules. Specifically, the invention concerns affinity-labeled primer-adapter molecules which allow improved isolation and production of such nucleic acid molecules, increasing both product recovery and speed of isolation. | 04-15-2010 |
20100317063 | COMPOSITIONS FOR IMPROVED cDNA SYNTHESIS - The present invention generally relates to methods of making cDNA molecules and cDNA libraries. The invention also relates to cDNA molecules and cDNA libraries produced according to these methods, as well as to vectors and host cells containing such cDNA molecules and libraries. The invention also relates to kits for making the cDNA molecules and libraries of the invention. | 12-16-2010 |
20110151521 | cDNA SYNTHESIS IMPROVEMENTS - The present invention generally relates to methods of making cDNA molecules and cDNA libraries. The invention also relates to cDNA molecules and cDNA libraries produced according to these methods, as well as to vectors and host cells containing such cDNA molecules and libraries. The invention also relates to kits for making the cDNA molecules and libraries of the invention. | 06-23-2011 |
20110200624 | NOVEL PEPTIDES FOR USE IN TRANSFECTION - Novel peptides derived from antibody complementarity determining regions (CDRs) that enhance delivery of macromolecules into cells, particularly when used in combination with cationic lipids, are provided. The peptides can be combined with cationic lipids, and compositions of cationic lipids associated with enhancer elements, to provide reagents that can complex with macromolecules such as nucleic acids, proteins and peptides and permit introduction of these macromolecules into a variety of cells and tissues in vitro or in vivo with greatly enhanced efficiency compared to other lipid-based reagents. Methods for delivering macromolecules into target cells and tissues using the lipids and enhancer elements are provided. | 08-18-2011 |
20120107879 | METHODS FOR PRODUCTION AND PURIFICATION OF NUCLEIC ACID MOLECULES - The present invention is directed to methods for the production and isolation of nucleic acid molecules. In particular, the invention concerns isolation of mRNA molecules and the production and isolation of nucleic acid molecules (e.g., cDNA molecules or libraries), which may be single- or double-stranded. Additionally, the invention concerns selection and isolation of particular nucleic acid molecules of interest from a sample which may contain a population of molecules. Specifically, the invention concerns affinity-labeled primer-adapter molecules which allow improved isolation and production of such nucleic acid molecules, increasing both product recovery and speed of isolation. | 05-03-2012 |