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Background The metastasis-associated lung adenocarcinoma transcription 1 (Malat1) is a highly conserved long non-coding RNA (lncRNA) gene. Previous studies showed that Malat1 is abundantly expressed in many tissues and involves in promoting tumor growth and metastasis by modulating gene expression and target protein activities. However, little is known about the biological function and regulation...
Mutations in TP53 lead to a defective G1 checkpoint and the dependence on checkpoint kinase 1 (Chk1) for G2 or S phase arrest in response to DNA damage. In preclinical studies, Chk1 inhibition resulted in enhanced cytotoxicity of several chemotherapeutic agents. The high frequency of TP53 mutations in triple negative breast cancer (TNBC: negative for estrogen receptor, progesterone receptor, and HER2)...
The p53 tumor suppressor gene product plays an important role in the regulation of apoptosis. Transforming growth factor β1 (TGF-β1)-induced apoptosis in hepatic cells is associated with reduced expression of the retinoblastoma protein (pRb) and subsequent E2F-1-activated expression of apoptosis-related genes. In this study, we explored the potential role of p53 in TGF-β1-induced apoptosis. HuH-7...
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