نتایج جستجو برای: foxo3a
تعداد نتایج: 1372 فیلتر نتایج به سال:
this, functional studies of FOXO3a could only examine its activity indirectly through checking the expression of its inactive form. FOXO3a has been shown to play an important role in mediating the cytotoxic effects of chemotherapeutic drugs such as doxorubicin (Hui et al., 2008a,b). It has been observed that acquisition of chemoresistance correlated unexpectedly with increased expression and nu...
Cysteine-rich angiogenic protein 61 (CYR61, CCN1) is an immediate early gene expressed in vascular smooth muscle cells (VSMCs) on growth factor stimulation, and its expression has been suggested to be associated with postangioplasty restenosis. The forkhead transcription factors are reported to play various roles in cellular proliferation, apoptosis, and even adaptation to cellular stress. We h...
Cysteine-rich angiogenic protein 61 (CYR61, CCN1) is an immediate early gene expressed in vascular smooth muscle cells (VSMCs) on growth factor stimulation, and its expression has been suggested to be associated with postangioplasty restenosis. The forkhead transcription factors are reported to play various roles in cellular proliferation, apoptosis, and even adaptation to cellular stress. We h...
BACKGROUND FOXO3a, a member of the forkhead class 'O' (FOXO) transcription factor family, controls a wide spectrum of biological processes, such as DNA damage repair, apoptosis, and cell cycle regulation. FOXO3a has been shown to be a tumor suppressor in various cancers. This study investigated the expression of FOXO3a in primary gastric adenocarcinomas and its prognostic value for primary gast...
Induced pluripotent stem (iPS) cells, which are morphologically and functionally similar with embryonic stem (ES) cells, have been successfully generated from somatic cells through defined reprogramming transcription factors. Forkhead class O3a (FoxO3a) has been recently reported to play an important role in the homeostasis and maintenance of certain types of stem cells; however, the role of Fo...
Background: Diabetic cardiomyopathy is a complication type 2 diabetes mellitus that can lead to cardiac muscle autophagy through the proteins FOXO3a and Beclin-1. Therefore, the aim of this study is to investigate the effect of 8 weeks High intensity interval training (HIIT) on the content of FOXO3a and Beclin-1 proteins in heart muscle tissue of Sprague-Dawley rats with type 2 diabetic rats. ...
BACKGROUND Decreased activity of forkhead transcription factor class O (FoxO)3A, a negative regulator of NF-κB-mediated chemokine expression, is implicated in the pathogenesis of chronic obstructive pulmonary disease (COPD). Previously, we showed that quercetin reduces lung inflammation in a murine model of COPD. Here, we examined the mechanisms underlying decreased FoxO3A activation and its mo...
Forkhead box O3A (FOXO3a) is an important transcription factor involved in various human cancers. However, the role of FOXO3a in regulating the invasion and metastasis of gastric cancer cells has not been clarified. Here, we report that FOXO3a overexpression promoted migration and invasion of gastric cancer cells by upregulating cathepsin L. FOXO3a knockdown suppressed migration and invasion an...
Forkhead box transcription factor FOXO3A, an important regulator of cellular function, is thought to act as a tumor suppressor. We studied whether alterations in FOXO3A activity occur in prostate tumorigenesis. Our studies demonstrate that FOXO3A activity is negatively regulated by Akt/PKB through posttranslational modifications. In prostate cancer cells, Akt activation causes increased accumul...
Using the doxorubicin-sensitive K562 cell line and the resistant derivative lines KD30 and KD225 as models, we found that acquisition of multidrug resistance (MDR) is associated with enhanced FOXO3a activity and expression of ABCB1 (MDR1), a plasma membrane P-glycoprotein that functions as an efflux pump for various anticancer agents. Furthermore, induction of ABCB1 mRNA expression on doxorubic...
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