نتایج جستجو برای: 1α gene
تعداد نتایج: 1151415 فیلتر نتایج به سال:
PGC-1α is an inducible transcriptional coactivator that regulates mitochondrial biogenesis and cellular energy metabolism in skeletal muscle. Recent studies have identified two additional PGC-1α transcripts that are derived from an alternative exon 1 (exon 1b) and induced by exercise. Given that the PGC-1α gene also produces NT-PGC-1α transcript by alternative 3(') splicing between exon 6 and e...
PGC-1α is a transcription coactivator centrally involved in the regulation of energy balance and metabolism. A recent study in Cell Metabolism adds another role for Pgc-1α, namely gene regulation in mitochondrial maintenance and metabolic homeostasis. The latest findings indicate significant increases in levels of DNA methylation within the promoter region of the Pgc-1α gene within human skelet...
The nature of the cellular and molecular mechanisms for the transition of avascular cartilage replacement with bone during endochondral ossification remains poorly understood. One of the driving forces is hypoxia. As a master regulator of hypoxia, hypoxia-inducible factor-1α (HIF-1α) has been reported to couple angiogenesis to osteogenesis. Our recent study has demonstrated that osteoblast grow...
Hypoxia is frequent in solid tumors and linked to aggressive phenotypes and therapy resistance. We explored expression patterns of the proposed hypoxia marker HIF-1α in endometrial cancer (EC) and investigate whether preoperative functional imaging parameters are associated with tumor hypoxia. Expression of HIF-1α was explored both in the epithelial and the stromal tumor component. We found tha...
Metabolic disease is a leading cause of death worldwide, and obesity, a central risk factor, is reaching epidemic proportions. Energy expenditure and brown adipose tissue (BAT) thermogenesis are implicated in metabolic disease, and it is becoming evident that impaired BAT activity is regulated by gene/environment interactions. Peroxisome proliferator-activated receptor γ coactivator 1α (Pgc-1α)...
BACKGROUND Thiazolidinediones, a family of insulin-sensitizing drugs commonly used to treat type 2 diabetes, are thought to exert their effects in part by promoting mitochondrial biogenesis in white adipose tissue through the transcriptional coactivator PGC-1α (Peroxisome Proliferator-Activated Receptor γ Coactivator-1α). METHODOLOGY/PRINCIPAL FINDINGS To assess the role of PGC-1α in the cont...
Impaired angiogenesis is a major clinical problem and affects wound healing especially in diabetic patients. Improving angiogenesis is a reasonable strategy to increase diabetes-impaired wound healing. Recently, our lab described a system of transient gene expression due to pegylated poly-l-lysine (PLL-g-PEG) polymer-mediated plasmid DNA delivery in vitro. Here we synthesized peptide-modified P...
Peroxisome proliferator-activated receptor γ coactivator-1α (PGC‑1α), a coactivator interacting with multiple transcription factors, regulates several metabolic processes. Although recent studies have focused on the role of PGC‑1α in cancer, the underlying molecular mechanism has not been clarified. Therefore, we evaluated the role of PGC‑1α in cell proliferation and tumorigenesis using human e...
Objective. To investigate the mechanism of capsaicin in treating active psoriasis vulgaris. Methods. HIF-1α gene translation in active psoriatic lesions before and after 21-day treatment with capsaicin ointment was detected by in situ hybridization. Results. There was positive staining of HIF-1α gene in all the layers of psoriatic epidermis (100.0%) before the treatment with capsaicin ointment,...
Organic anion transporters (OATs) are anion exchangers that transport small hydrophilic anions and diuretics, antibiotics, nonsteroidal anti-inflammatory drugs, antiviral nucleoside analogs, and antitumor drugs across membrane barriers of epithelia of diverse organs. Three OATs are present in human liver: OAT2, OAT5, and OAT7. Given that hepatocyte nuclear factor-1α (HNF-1α) has previously been...
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