نتایج جستجو برای: foxo
تعداد نتایج: 1687 فیلتر نتایج به سال:
In the heart, autophagy is required for normal cardiac function and also has been implicated in cardiovascular disease. FoxO transcription factors promote autophagy in skeletal muscle and have additional roles in regulation of cell size, proliferation, and metabolism. Here we investigate the role of FoxO transcription factors in regulating autophagy and cell size in cardiomyocytes. In cultured ...
Recent studies have highlighted a fundamental role for Forkhead box O (Foxo) transcription factors in immune system homeostasis. Initial reports designed to dissect function of individual Foxo isoforms in the immune system were based on in vitro overexpression systems, and these experiments suggested that Foxo1 and Foxo3 are important for growth factor withdrawal-induced cell death. Moreover, F...
Longevity regulatory genes include the Forkhead transcription factor FOXO, in addition to NAD-dependent histone deacetylase silent information regulator 2 (Sir2). The FOXO/DAF-16 family of transcription factors constitute an evolutionarily conserved subgroup within a larger family known as winged helix or Forkhead transcriptional regulators. Here we demonstrate how to identify FOXO target genes...
FOXO (forkhead box O) transcription factors are crucial regulators of cell fate. This function of FOXO proteins relies on their ability to control diverse and at times, opposing cellular functions, such as proliferation, differentiation, DNA repair, defence against oxidative stress damage and apoptosis, in response to hormones, growth factors and other environmental cues. This review discusses ...
In a remarkably conserved insulin signaling pathway that is well-known for its regulation of longevity in worms, flies, and mammals, the major C. elegans effector of this pathway, DAF-16/FOXO, also modulates many other physiological processes. This raises the question of how DAF-16/FOXO chooses the correct targets to achieve the appropriate response in a particular context. Here, we review curr...
The mammalian FoxO (forkhead box O) transcription factors FoxO1, FoxO3 and FoxO4 represent one of several effector arms of the PI3K (phosphoinositide 3-kinase)-Akt signalling network that has been linked to cancer, metabolism and aging. Specific roles of the FoxOs in the vascular cell types have been investigated to reveal that they play redundant yet critical roles in the proliferation and sur...
Loss-of-function mutations of phosphatase/tensin homolog deleted on chromosome 10 (PTEN)-induced putative kinase 1 (Pink1) (also known as Park6) identified in familial forms of Parkinson's disease (PD) are associated with compromised mitochondrial function. Emerging data suggest that Pink1 is an essential pro-survival factor that is induced in response to oxidative stress. However, the mechanis...
In the heart, autophagy is required for normal cardiac function and also has been implicated in cardiovascular disease. FoxO transcription factors promote autophagy in skeletal muscle and have additional roles in regulation of cell size, proliferation, andmetabolism.Herewe investigate the role of FoxO transcription factors in regulating autophagy and cell size in cardiomyocytes. In cultured rat...
BACKGROUND There are changes in the skeletal muscle of patients with chronic heart failure (CHF), such as volume reduction and fiber type shift toward fatigable type IIb fiber. Forkhead box O (FoxO) signaling plays a critical role in the development of skeletal myopathy in CHF, and functional interaction between FoxO and the Wnt signal mediator β-catenin was previously demonstrated. We have rec...
The Forkhead box O (FOXO) protein family is an evolutionarily conserved subclass of transcription factors recently identified as bona fide tumor suppressors. Preventing the accumulation of cellular damage due to oxidative stress is thought to underlie its tumor-suppressive role. Oxidative stress, in turn, also feedback controls FOXO4 function. Regulation of this process, however, is poorly unde...
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