Search results for: ING1B sense
#16488987 // To Up
The novel tumor suppressor p33ING2 enhances nucleotide excision repair via inducement of histone H4 acetylation and chromatin relaxation.
p33ING2 is a novel candidate tumor suppressor, which has been shown to be involved in the regulation of gene transcription, cell cycle arrest, and apoptosis in a p53-dependent manner for maintaining the genomic stability. Previously, we showed that p33ING2 promoted UV-induced apoptosis in human melanoma cells. To further reveal the role of p33ING2 in cellular stress response to UV irradiation, we hypothesized that p33ING2 may enhance the repair of UV-damaged DNA, similarly to its homologue p33(ING1b). Using the host-cell reactivation assay, we show that overexpression of p33ING2 significantly enhances nucleotide excision repair of UV-induced DNA damage in melanoma cells in a p53-dependent manner. Furthermore, DNA repair is completely abolished in cells treated with p33ING2 small interfering RNA, suggesting that a physiologic level of p33ING2 is required for nucleotide excision repair. In addition, we found that p33ING2 is an essential factor for UV-induced rapid histone H4 acetylation, chromatin relaxation, and the recruitment of damage recognition protein, xeroderma pigmentosum group A protein, to the photolesions. These observations suggest that p33ING2 is required for the initial DNA damage sensing and chromatin remodeling in the nucleotide excision repair process.Jing Wang, Mei Yieng Chin, Gang Li
1277 related Products with: The novel tumor suppressor p33ING2 enhances nucleotide excision repair via inducement of histone H4 acetylation and chromatin relaxation.
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#15800978 // To Up
Inhibitory effect of tumor suppressor p33(ING1b) and its synergy with p53 gene in hepatocellular carcinoma.
To investigate the inhibitory effect of tumor suppressor p33(ING1b) and its synergy with p53 gene in hepatocellular carcinoma (HCC).Zhi Zhu, Jing Lin, Jian-Hui Qu, Mark-A Feitelson, Can-Rong Ni, Fang-Mei Li, Ming-Hua Zhu
1900 related Products with: Inhibitory effect of tumor suppressor p33(ING1b) and its synergy with p53 gene in hepatocellular carcinoma.
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#14642087 // To Up
[Study of cooperation of tumor suppressor p33(ING1b) with p53 gene in hepatocellular carcinoma].
To investigate the cooperation effect of p33(ING1b), coded protein of the novel tumor-suppressor gene ING1b, with p53 gene on the cell growth, cell cycle arrest, apoptosis and expression of the p53 downstream gene p21(WAF1/CIP1) in hepatocellular carcinoma.Zhi Zhu, Jing Lin, Jian-hui Qu, Fang-mei Li, Can-rong Ni, Ming-hua Zhu
2782 related Products with: [Study of cooperation of tumor suppressor p33(ING1b) with p53 gene in hepatocellular carcinoma].
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#12052432 // To Up
DNA repair/pro-apoptotic dual-role proteins in five major DNA repair pathways: fail-safe protection against carcinogenesis.
Two systems are essential in humans for genome integrity, DNA repair and apoptosis. Cells that are defective in DNA repair tend to accumulate excess DNA damage. Cells defective in apoptosis tend to survive with excess DNA damage and thus allow DNA replication past DNA damages, causing mutations leading to carcinogenesis. It has recently become apparent that key proteins which contribute to cellular survival by acting in DNA repair become executioners in the face of excess DNA damage. Five major DNA repair pathways are homologous recombinational repair (HRR), non-homologous end joining (NHEJ), nucleotide excision repair (NER), base excision repair (BER) and mismatch repair (MMR). In each of these DNA repair pathways, key proteins occur with dual functions in DNA damage sensing/repair and apoptosis. Proteins with these dual roles occur in: (1) HRR (BRCA1, ATM, ATR, WRN, BLM, Tip60 and p53); (2) NHEJ (the catalytic subunit of DNA-PK); (3) NER (XPB, XPD, p53 and p33(ING1b)); (4) BER (Ref-1/Ape, poly(ADP-ribose) polymerase-1 (PARP-1) and p53); (5) MMR (MSH2, MSH6, MLH1 and PMS2). For a number of these dual-role proteins, germ line mutations causing them to be defective also predispose individuals to cancer. Such proteins include BRCA1, ATM, WRN, BLM, p53, XPB, XPD, MSH2, MSH6, MLH1 and PMS2.Carol Bernstein, Harris Bernstein, Claire M Payne, Harinder Garewal
2171 related Products with: DNA repair/pro-apoptotic dual-role proteins in five major DNA repair pathways: fail-safe protection against carcinogenesis.
21001mg20mg5010,000IU201mg20501mg10Related Pathways
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