Class / Patent application number | Description | Number of patent applications / Date published |
435467000 | Introducing an oncogene to establish a cell line | 15 |
20090275139 | MATERIALS AND METHODS RELATING TO THE PRODUCTION AND MAINTENANCE OF CELL LINES - The invention provides methods for maintaining cell lines from primary cells, i.e., non-transformed cells, using expression of the signal transducer of activation and transcription (STAT). The methods are particularly suitable for maintenance of B-cells. | 11-05-2009 |
20110223670 | ETS2 AND MESP1 GENERATE CARDIAC PROGENITORS FROM FIBROBLASTS - A method for modulating cell differentiation capabilities using heterologous gene expression. Some embodiments of the invention relate to a method for inducing a cardiac progenitor cell by delivering a reprogramming factor to the cell, wherein the reprogramming factor comprises ETS2 or a combination of ETS2 and Mesp1. | 09-15-2011 |
20120214243 | METHOD OF EFFICIENTLY ESTABLISHING INDUCED PLURIPOTENT STEM CELLS - Provided are a method of improving iPS cell establishment efficiency, comprising the step of transferring Lin28B or a nucleic acid that encodes Lin28B to a somatic cell, particularly to a somatic cell on which Lin28 is ineffective or less effective than Lin28B in improving iPS cell establishment efficiency, and a method of producing an iPS cell, comprising the step of transferring Lin28B or a nucleic acid that encodes Lin28B and a nuclear reprogramming substance to a somatic cell. Also provided are an iPS cell comprising a nucleic acid that encodes Lin28B, that can be obtained by the method of producing an iPS cell, and a method of somatic cell production by forcing the iPS cell to differentiate into a somatic cell. | 08-23-2012 |
20120238023 | Novel Method for Producing Differentiated Cells - The present invention has an object of providing a method for producing specific cells by amplifying cells in a desired differentiation stage. The present invention provides a method for producing specific cells by inducing differentiation of cells, wherein an oncogene is forcibly expressed in cells in a desired differentiation stage to amplify the cells in the desired differentiation stage. The present invention also provides a method for producing specific cells, wherein oncogene-induced senescence (OIS) which is induced by the oncogene expressed in the cells in the desired differentiation stage is suppressed. | 09-20-2012 |
20130029424 | METHOD FOR THE GENERATION OF MONOCLONAL ANTIBODIES DERIVED FROM HUMAN B CELLS - The present invention relates, in general, to human B cells, and, in particular to a method of immortalizing and cloning human B cells and to monoclonal antibodies derived therefrom. The invention further relates to methods of using the monoclonal antibodies for therapeutic and diagnostic purposes. | 01-31-2013 |
20130267030 | EFFICIENT METHOD FOR ESTABLISHING INDUCED PLURIPOTENT STEM CELLS - The invention provides a method of improving the efficiency of establishment of induced pluripotent stem cells by increasing, in a nuclear reprogramming step of somatic cell, the level of activated form of one or more proteins selected from the group consisting of Ras family members, PI3 kinase, RalGEF, Raf, AKT family members, Rheb, TCL1 and S6K. The invention also provides a method of producing induced pluripotent stem cells by contacting a somatic cell with a nuclear reprogramming substance and one or more of such proteins and nucleic acids that encode such proteins. The invention further provides an induced pluripotent stem cell that has an exogenous nucleic acid encoding such a protein, as well as agents for use in the aforesaid methods. | 10-10-2013 |
20130280809 | REPROGRAMMING OF CELLS TO A NEW FATE - Methods and compositions for transdifferentiation of an animal cell from (i) a first pluripotent cell fate to a second nonpluripotent cell fate or (ii) from a non-pluripotent mesodermal, endodermal, or ectodermal cell fate to a different non-pluripotent mesodermal, endodermal, or ectodermal cell fate. | 10-24-2013 |
20140038293 | METHODS FOR THE PRODUCTION OF IPS CELLS USING NON-VIRAL APPROACH - Methods and composition of induction of pluripotent stem cells and other desired cell types are disclosed. For example, in certain aspects methods for generating essentially vector-free induced pluripotent stem cells are described. Furthermore, the invention provides induced pluripotent stem cells and desired cell types essentially free of exogenous vector elements with the episomal expression vectors to express differentiation programming factors. | 02-06-2014 |
20140087470 | REVERSIBLE IMMORTALIZATION - A gene complex for reversibly immortalizing cells contains an immortalizing gene region, which possesses at least a resistance gene, an immortalizing gene and, preferably, a suicide gene, and also two sequences which flank the gene region and which function as recognition sites for homologous intramolecular recombination, and at least one promoter located upstream of the gene region. A gene complex for imnomodulating cells contains a first immunomodulating gene region, whose expression inhibits the function of MHC I molecules, a second immunomodulating gene region, whose expression leads to the inactivation of natural killer cells, and a resistance gene. A method for obtaining cells involves preparing organ-related cells which are immortalized by transferring the first gene complex and immunomodulated by transferring the second gene complex. After the immortalized cells have been expanded, the immortalization is reversed. | 03-27-2014 |
20140127815 | Method for Producing Polyploidized Megakaryocyte and Platelets - An object of the present invention is to provide a method of promoting polyploidization of megakaryocytes and thereby producing highly polyploidized megakaryocytes, a method of efficiently producing platelets from polyploidized megakaryocytes, and the like. The present invention provides a method of producing polyploidized megakaryocytes comprising a step of forcing expression of an apoptosis suppressor gene in megakaryocytes before polyploidization and culturing the resulting cells. | 05-08-2014 |
20140162366 | GENERATION OF VASCULAR PROGENITOR CELLS - Provided herein are, inter alia, methods of generating vascular progenitor cells from primary cells without reprogramming the primary cell into a pluripotent stem cell. The vascular progenitors provided herein may be used to form endothelial cells or smooth muscle cells. Further provided are isolated mutlitpotent cells useful to form vascular progenitor cells. | 06-12-2014 |
20140199766 | TRANSGENIC SYSTEM FOR REVERSIBLY IMMORTALIZING MAMMALIAN QUIESCENT CELLS - A transgene for endowing human quiescent cells from primary cultures with exogenously inducible telomere length homeostasis and cell cycle traverse is described. The transgene includes at least three promoter sequences; a G1-specific RNA interference sequence which is operably linked downstream of a first promoter sequence; a telomere length maintenance gene sequence which is operably linked downstream to a second promoter sequence; a Scaffold/Matrix attachment region (S/MAR) element positioned downstream in frame with said telomere length maintenance gene sequence and an exogenously-inducible transcriptional regulation system. The transgene is useful to immortalize human quiescent cells from primary cultures. | 07-17-2014 |
20140206083 | HUMAN PLURIPOTENT STEM CELLS INDUCED FROM UNDIFFERENTIATED STEM CELLS DERIVED FROM A HUMAN POSTNATAL TISSUE - Establishment of human pluripotent stem cells having properties close to human ES cells with the genome of the patient per se that can circumvent immunological rejection of transplanted cells from cells derived from a postnatal human tissue are described. Human pluripotent stem cells can be induced by introducing three genes of Oct3/4, Sox2 and Klf 4, or three genes of Oct3/4, Sox2 and Klf 4 plus the c-Myc gene or a histone deacetylase (HDAC) inhibitor of undifferentiated stem cells present in various human postnatal tissues in which each gene of Tert, Nanog, Oct3/4 and Sox2 has not undergone epigenetic inactivation. | 07-24-2014 |
20140234973 | GENERATION OF INDUCED PLURIPOTENT STEM CELLS FROM SMALL VOLUMES OF PERIPHERAL BLOOD - Methods and compositions relating to the production of induced pluripotent stem cells (iPS cells) are disclosed. For example, induced pluripotent stem cells may be generated from peripheral blood cells, such as human blood progenitor cells, using episomal reprogramming and feeder-free or xeno-free conditions. In certain embodiments, the invention provides novel methods for improving overall reprogramming efficiency with low number of blood progenitor cells. | 08-21-2014 |
20140234974 | USE OF GENE REGULATORY NETWORK LOGIC FOR TRANSFORMATION OF CELLS - Described herein is a gene regulatory network based focused approach to cell transformation. The methods described herein allow for identification of circuit and sub-circuit repertoires for which modification in a starting cell type can result in generation of a transformed cell type in a durable and persistent manner, without requiring potentially deleterious genome modification. The described methods and compositions produced by the methods find widespread application in regenerative medicine applications. | 08-21-2014 |