نتایج جستجو برای: foxo3a
تعداد نتایج: 1372 فیلتر نتایج به سال:
PURPOSE To evaluate the potential role that FoxO transcription factors play in modulating resveratrol's protective effects against oxidative stress in lens epithelial cells. METHODS Primary human or porcine lens epithelial cells (LECs) were treated with resveratrol (RES) 25 μM and incubated under either physiologic (5%) or chronic hyperoxic (40%) oxygen conditions. Acute oxidative stress was ...
As the infectious agent causing human adult T-cell leukemia (ATL), the human T-cell leukemia virus type 1 (HTLV-1) virus spreads in vivo primarily by cell-to-cell transmission. However, the factors that determine its transmission efficiency are not fully understood. The viral genome encodes the HTLV-1 bZIP factor (HBZ), which is expressed in all ATL cases and is known to promote T-cell prolifer...
BACKGROUND KG-135, a standardized formulation enriched with Rk1, Rg3, and Rg5 ginsenosides, has been shown to inhibit various types of cancer cells; however, the underlying mechanisms are not fully understood. In this study, we explored its effects in A549 human lung cancer cells to investigate the induction of Forkhead Class box O3a (FOXO3a) and autophagy. METHODS Cell viability was determin...
The high mutation rate of HIV is linked to the generation of viruses expressing proteins with altered function whose impact on disease progression is unknown. We investigated how HIV-1 viruses lacking Env, Vpr, and Nef affect CD4(+) T cell survival. We found that in the absence of these proteins, HIV-1-infected CD4(+) primary T cells progress to the G(0) phase of the cell cycle and to cell deat...
Chronic alcohol intake leads to insulin resistance and alcoholic cardiomyopathy, which appears to be a result of the complex interaction between genes and environment. This study was designed to examine the impact of aldehyde dehydrogenase-2 (ALDH2) transgenic overexpression on alcohol-induced insulin resistance and myocardial injury. ALDH2 transgenic mice were produced using chicken beta-actin...
Latent membrane protein 1 (LMP1), an Epstein-Barr virus (EBV) oncoprotein, mimics a constitutively activated tumor necrosis factor receptor and activates various signaling pathways, including phosphatidylinositol 3-kinase (PI3K)/Akt. LMP1 is essential for EBV-mediated B-cell transformation and is sufficient to transform several cell lines. Cellular transformation has been associated strongly wi...
8‑bromo‑7‑methoxychrysin (BrMC), a novel chrysin analog, was reported to have anti‑cancer activities. The aim of the present study was to investigate the molecular mechanism of 8‑bromo‑7‑methoxychrysin (BrMC)‑induced apoptosis via the Akt/forkhead box O3a (FOXO3a) pathway in cisplatin (DDP)‑sensitive and ‑resistant ovarian cancer cells. The human ovarian cancer cell lines A2780 and A2780/DDP we...
Casticin, a polymethoxyflavone, is reported to have anticancer activities. The aim of the present study was to examine the molecular mechanisms by which casticin induces apoptosis in ovarian cancer cells. The human ovarian cancer cell lines SKOV3 and A2780 were cultured in vitro. Various molecular techniques, including histone/DNA enzyme-linked immunosorbent assay (ELISA), reverse transcription...
Premature ovarian failure (POF) is a major side effect of chemotherapy in young cancer patients. To develop pharmaceutical agents for preserving fertility, it is necessary to understand the mechanisms responsible for chemotherapy-induced follicle loss. Here, we show that treatment with cisplatin, a widely used anticancer drug, depleted the dormant follicle pool in mouse ovaries by excessive act...
BACKGROUND Forkhead box 'O' transcription factors (FoxOs) are implicated in the pathogenesis of type2 diabetes and other metabolic diseases. Abnormal activity of FoxOs was reported in the glucose and insulin metabolism. Expression of FoxO proteins was reported in ocular tissues; however their function under hyperglycemic conditions was not examined. METHODS Human lens epithelial cell line was...
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