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A tumor suppressor gene (TSG), or anti-oncogene, is a gene that regulates a cell during cell division and replication. [1] If the cell grows uncontrollably, it will result in cancer . When a tumor suppressor gene is mutated, it results in a loss or reduction in its function.
Its role as a tumor suppressor gene was revealed in 1989 by Bert Vogelstein at the Johns Hopkins School of Medicine and Arnold Levine at Princeton University. [80] [81] p53 went on to be identified as a transcription factor by Guillermina Lozano working at MD Anderson Cancer Center. [82]
This category can be used for both tumor suppressor genes and the proteins they produce. Pages in category "Tumor suppressor genes" The following 37 pages are in this category, out of 37 total.
p14ARF (also called ARF tumor suppressor, ARF, p14 ARF) is an alternate reading frame protein product of the CDKN2A locus (i.e. INK4a/ARF locus). [ 1 ] p14ARF is induced in response to elevated mitogenic stimulation, such as aberrant growth signaling from MYC and Ras (protein) . [ 2 ]
Tumor suppressor genes are genes that inhibit cell division, survival, or other properties of cancer cells. Tumor suppressor genes are often disabled by cancer-promoting genetic changes. Finally Oncovirinae, viruses that contain an oncogene, are categorized as oncogenic because they trigger the growth of tumorous tissues in the host.
PTEN acts as a tumor suppressor gene through the action of its phosphatase protein product. This phosphatase is involved in the regulation of the cell cycle, preventing cells from growing and dividing too rapidly. [8] It is a target of many anticancer drugs. The protein encoded by this gene is a phosphatidylinositol-3,4,5-trisphosphate 3 ...
Activation of the CDKN2A locus promotes the cellular senescence tumor suppressor mechanism, which is a permanent form of growth arrest. As senescent cells accumulate with aging, expression of CDKN2A increases exponentially with aging in all mammalian species tested to date, and has been argued to serve as a biomarker of physiological age. [ 44 ]
TP-53 is a gene that encodes for the protein p53; this protein is a tumor suppressor. p53 was discovered in 1979 stemming from a study involving cancer immunology and the role of viruses in some cancers. The protein was so named because it was measured to have a weight of 53 kDa.
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