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Histone H2AX is a novel tumor suppressor protein and plays an important role in apoptosis of cancer cells. However, the role of H2AX in lung cancer cells is unclear. The detailed mechanism and epigenetic regulation by H2AX remain elusive in cancer cells. We showed that H2AX was involved in apoptosis of lung cancer A549 cells as in other tumor cells. Knockdown of H2AX strongly suppressed apoptosis...
Our previous studies have shown that β-arrestin 2 plays an anti-apoptotic effect. However, the mechanisms by which β-arrestin contribute to anti-apoptotic role remain unclear. In this study, we show that a deficiency of either β-arrestin 1 or β-arrestin 2 significantly increases serum deprivation (SD)-induced percentage of apoptotic cells. β-arrestin 2 deficient-induced apoptosis was inhibited by...
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