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  2. p53 upregulated modulator of apoptosis - Wikipedia

    en.wikipedia.org/wiki/P53_upregulated_modulator...

    The p53 upregulated modulator of apoptosis (PUMA) also known as Bcl-2-binding component 3 (BBC3), is a pro-apoptotic protein, member of the Bcl-2 protein family. [5] [6] In humans, the Bcl-2-binding component 3 protein is encoded by the BBC3 gene. [5] [6] The expression of PUMA is regulated by the tumor suppressor p53.

  3. p53 - Wikipedia

    en.wikipedia.org/wiki/P53

    p53, also known as Tumor protein P53, cellular tumor antigen p53 (UniProt name), or transformation-related protein 53 (TRP53) is a regulatory protein that is often mutated in human cancers. The p53 proteins (originally thought to be, and often spoken of as, a single protein) are crucial in vertebrates , where they prevent cancer formation. [ 5 ]

  4. BH3 interacting-domain death agonist - Wikipedia

    en.wikipedia.org/wiki/BH3_interacting-domain...

    The expression of BID is upregulated by the tumor suppressor p53, and BID has been shown to be involved in p53-mediated apoptosis. [7] The p53 protein is a transcription factor that, when activated as part of the cell's response to stress, regulates many downstream target genes, including BID. However, p53 also has a transcription-independent ...

  5. Apoptosis - Wikipedia

    en.wikipedia.org/wiki/Apoptosis

    Part of this pathway includes alpha-interferon and beta-interferon, which induce transcription of the p53 gene, resulting in the increase of p53 protein level and enhancement of cancer cell-apoptosis. [85] p53 prevents the cell from replicating by stopping the cell cycle at G1, or interphase, to give the cell time to repair; however, it will ...

  6. DNA damage (naturally occurring) - Wikipedia

    en.wikipedia.org/wiki/DNA_damage_(naturally...

    High-normal levels of the bile acid deoxycholic acid cause apoptosis in human colon cells, [56] but may also lead to colon cancer if repair and apoptotic defenses are insufficient. [57] Apoptosis serves as a safeguard mechanism against tumorigenesis. [58] It prevents the increased mutagenesis that excess DNA damage could cause, upon replication ...

  7. Apoptosome - Wikipedia

    en.wikipedia.org/wiki/Apoptosome

    P53 causes cells to enter apoptosis and disrupt further cell division therefore preventing that cell from becoming cancerous (16). In the majority of cancers it is the p53 pathway that has become mutated resulting in lack of ability to terminate dysfunctional cells.

  8. Carcinogenesis - Wikipedia

    en.wikipedia.org/wiki/Carcinogenesis

    Despite nearly half of all cancers possibly involving alterations in p53, its tumor suppressor function is poorly understood. p53 clearly has two functions: one a nuclear role as a transcription factor, and the other a cytoplasmic role in regulating the cell cycle, cell division, and apoptosis.

  9. Suicide gene - Wikipedia

    en.wikipedia.org/wiki/Suicide_gene

    In the field of genetics, a suicide gene is a gene that will cause a cell to kill itself through the process of apoptosis (programmed cell death). Activation of a suicide gene can cause death through a variety of pathways, but one important cellular "switch" to induce apoptosis is the p53 protein.