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Tumor Susceptibility Gene 101 OKDB#: 1279
 Symbols: TSG101 Species: human
 Synonyms:  Locus: 11p15.2-p15.1 in Homo sapiens


For retrieval of Nucleotide and Amino Acid sequences please go to: OMIM Entrez Gene
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General Comment The protein encoded by the tsg101 cDNA contains a coiled-coil domain that interacts with stathmin (OMIM 151442), a cytosolic phosphoprotein implicated in tumorigenesis. Li and Cohen (1996) observed that overexpression of tsg101 antisense transcripts in NIH 3T3 cells resulted in cell transformation and increased stathmin-specific mRNA.By database searching and comparison of the TSG101 proteins of yeast and other organisms, Koonin and Abagyan (1997) concluded that TSG101 may belong to a group of apparently inactive homologs of ubiquitin-conjugating enzymes.

NCBI Summary: The protein encoded by this gene belongs to a group of apparently inactive homologs of ubiquitin-conjugating enzymes. The gene product contains a coiled-coil domain that interacts with stathmin, a cytosolic phosphoprotein implicated in tumorigenesis. The protein may play a role in cell growth and differentiation and act as a negative growth regulator. In vitro steady-state expression of this tumor susceptibility gene appears to be important for maintenance of genomic stability and cell cycle regulation. Mutations and alternative splicing in this gene occur in high frequency in breast cancer and suggest that defects occur during breast cancer tumorigenesis and/or progression.
General function Tumor suppressor
Comment TSG101 is mutated at high frequency in human breast cancer and defects in TSG101 occur during breast cancer tumorigenesis and/or progression.
Cellular localization Nuclear
Comment
Ovarian function
Comment
Expression regulated by
Comment
Ovarian localization
Comment
Follicle stages Antral, Preovulatory
Comment Liu HC, et al 2001 reported tha application of complementary DNA microarray (DNA chip) technology in the study of gene expression profiles during folliculogenesis. They used oligonucleotide microarray (DNA chip)-based hybridization analysis to gain a comprehensive view of gene expression and regulation involved in folliculogenesis. Preantral follicles isolated from day 14 B6D2F-1 mice were stimulated in vitro to form Graafian follicles. Total RNA extracted from the mouse preantral and Graafian follicles were reverse transcribed, labeled with digoxigenin-11-dUTP, and then hybridized with Clontech Atlas mouse cDNA expression arrays for comparison. Of 588 known studied genes, 39 and 61 were detected in preantral follicles and in Graafian follicles, respectively, and 17 were highly expressed consistently in both preantral and Graafian follicles, including Tumor Susceptibility Gene 101.
Phenotypes
Mutations 0 mutations
Genomic Region show genomic region
Phenotypes and GWAS show phenotypes and GWAS
Links
OMIM (Online Mendelian Inheritance in Man: an excellent source of general gene description and genetic information.)
OMIM \ Animal Model
KEGG Pathways
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created: Sept. 10, 2001, 2:43 p.m. by: hsueh   email:
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last update: Sept. 10, 2001, 2:44 p.m. by: system    email:



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