Webhif: 生物活性: dmog是可渗透细胞,竞争型的 hif-1α脯氨酰羟化酶 (hif-ph) 抑制剂[1]。 in vitro: dmog有效抑制完整细胞中羟脯氨酸的合成,但在微粒体系统中仅表现出弱活性[1]。 dmog通过抑制hpasmc中的脯氨酰羟化酶活性来减少fgf-2诱导的增殖和细胞周期蛋白a的表 … Web7 de ago. de 2024 · hif-1α是hif-1调控氧代谢的活性亚基,常氧条件下,α亚基在hif羟化酶1、2、3的作用下迅速发生羟基化,并通过泛素化降解,使细胞内的hif-1α维持在低浓度;但在缺氧诱导下,hif羟化酶1、2、3功能受限,α亚基不能经上述途径降解,细胞内的hif-1α蛋 …
沉默HIF-1α表达对缺氧环境下胃癌细胞GLUT-1、PKM2表达的 ...
Web2 de mai. de 2024 · Combination therapies based on PD-1/PD-L1 blockade for a wide range of cancer types have been introduced and can improve patient survival ( 20 ). One approach uses HIF inhibitors in combination with anti–PD-1/PD-L1 therapy. PD-L1/HIF cross-talk and therapeutic applicability. Importantly, HIF-1α inhibition synergizes with anti–PD-1 therapy ... Web31 de mai. de 2013 · HIF-1α的预测分子量为93kD,在变性充分的情况下可以检测到93kD的HIF-1α条带,在很多情况下 ... 呵呵,前段时间也一直在纠结这个蛋白的wb,最近两天用HepG2细胞经过CoCl2处理以后发现结果还行,就是有个问题,低浓度的Cocl2处理Hif1a多,比control多不少,而 ... record discs covers
缺氧预处理对创伤性脑损伤大鼠脑组织HIF-1α、VEGF表达 ...
Web目的:探讨缺氧对人肝癌HepG2细胞中缺氧诱导因子-1α(HIF-1α)及增殖细胞核抗原(PCNA)表达的影响方法:体外培养HepG2细胞,通过CoCl2化学模拟缺氧作用,采用实时荧光定量聚 … Web21 de jul. de 2011 · Dominant-negative forms of hif-1αa and hif-1αb were generated using primers amplifying DNA corresponding to amino acids 1-330 of human HIF-1α. 32 Dominant-active forms of hif-1αa and hif-1αb were generated by successive rounds of site-directed mutagenesis. 20,33,34 In each round, one of the hydroxylation sites was … WebHIF-1α在低氧(氧浓度<5%)等条件下稳定性增加,从而在细胞内蓄积并转位到细胞核内与HIF-1β形成异二聚体;然后募集 HIF辅激活复合物成分(如p300),进而与目标基因启动区的顺式低氧反应元件(cis-acting hypoxia responsive elements,HREs)结合,从而启动靶基因的 … record dish network on computer