Transcriptional profiling of stem cells and their multilineage differentiation
First Claim
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1. A method of screening a human stem cell for differentiation into an osteogenic specific cell line, comprising:
- (a) providing a human stem cell for which differentiation is to be determined, then(b) subjecting said human stem cell to differentiating conditions; and
then(c) detecting in said stem cell differential expression of at least four osteogenic specific genes selected from the group consisting of;
intracellular adhesion molecule 1 (ICAM1), osteomodulin (OMD), tissue inhibitor of metalloproteinase 4 (TIMP4), sex determining region Y box 4 (SOX4), crystalin alpha B (CRYAB), secreted phosphoprotein 1 (SPP1), v-fos FBJ murine steosarcoma viral oncogene homolog (FOS), alpha V integrin (ITGAV), prolactin (PRL), alpha 4 integrin (ITGA4), peroxisome proliferative activated receptor gamma (PPARG), secreted protein, acidic, cystein-rich (SPARC), sarcoma amplified sequence (SAS), and bone morphogenetic protein 1 (BMP1),wherein upregulation of expression of said at least four osteogenic specific genes indicates differentiation of said human stem cell into an osteogenic specific cell line.
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Abstract
The present invention concerns methods of screening cells for differentiation or de-differentiation, and/or for status as a pluripotent or multipotent (e.g., “stem”) cell, by detecting the differential expression (e.g., upregulation, downregulation) of genes.
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Citations
17 Claims
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1. A method of screening a human stem cell for differentiation into an osteogenic specific cell line, comprising:
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(a) providing a human stem cell for which differentiation is to be determined, then (b) subjecting said human stem cell to differentiating conditions; and
then(c) detecting in said stem cell differential expression of at least four osteogenic specific genes selected from the group consisting of;
intracellular adhesion molecule 1 (ICAM1), osteomodulin (OMD), tissue inhibitor of metalloproteinase 4 (TIMP4), sex determining region Y box 4 (SOX4), crystalin alpha B (CRYAB), secreted phosphoprotein 1 (SPP1), v-fos FBJ murine steosarcoma viral oncogene homolog (FOS), alpha V integrin (ITGAV), prolactin (PRL), alpha 4 integrin (ITGA4), peroxisome proliferative activated receptor gamma (PPARG), secreted protein, acidic, cystein-rich (SPARC), sarcoma amplified sequence (SAS), and bone morphogenetic protein 1 (BMP1),wherein upregulation of expression of said at least four osteogenic specific genes indicates differentiation of said human stem cell into an osteogenic specific cell line. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of screening a stem cell for differentiation into an osteogenic specific cell line, comprising:
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(a) providing a stem cell for which differentiation is to be determined, then (b) subjecting said stem cell to differentiating conditions; and
then(c) detecting in said stem cell upregulation of expression of at least three osteogenic specific genes selected from the group consisting of;
ICAM1, PPARG, SPARC, and BMP1,wherein upregulation of expression of said at least three osteogenic specific genes indicates differentiation of said cell into an osteogenic specific cell line. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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Specification