Hif-1α是什么

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August undefined, 2024

Web15 de fev. de 2001 · Because HIF-1 is regulated by reactive oxygen species, investigation of the impact of reactive nitrogen species was intended. By using different nitric oxide (NO) donors, dose- and time-dependent HIF-1α accumulation in close correlation with the release of NO from chemically distinct NO donors was established. Web4 de abr. de 2009 · HIF-1α is overexpressed in many human cancers compared to normal tissues due to the interaction of a multiplicity of factors and pathways that reflect specific genetic alterations and extracellular stimuli. We developed two HIF-1α chimeric reporter …

Activation of hypoxia-inducible factor-1α (Hif-1α) delays ...

WebThe oxygen-regulated subunit, HIF-1alpha, is stabilized in cells exposed to hypoxia. The regulation of hypoxic responses by nitric oxide (NO) is believed to have wide pathophysiological relevance, thus we investigated whether NO affects HIF-1 activation … Web28 de jul. de 2024 · Overexpression of HIF-1α can lead to increased expression of some genes, facilitating cellular resistance against apoptosis caused by hypoxia or lack of nutrients (Akakura et al., 2001; Yang S. et al., 2024). For example, HIF-1α subunits are involved in regulating the activities of many members of the Bcl-2 family (Fang et al., 2024). cryptshare blzk

Targeting hypoxia-inducible factor 1 (HIF-1) signaling with natural ...

Web20 de jun. de 2024 · HIF-1α (HIF1A) is known to be associated with the upregulation of glycolytic genes such as phosphoglycerate kinase (PGK) and lactate dehydrogenase A (LDHA), both of which function to ... Web21 de jun. de 2024 · Of note, no difference in the growth of HIF-1α (Del)-tumors and HIF-1α (FL)-tumors was observed in immunocompromised NOD scid gamma (NSG) mice lacking mature B, T, and NK cells (Fig. 2E ... Web12 de mar. de 2024 · Roles of HIF-1α in MIRI. Matsushima et al demonstrated that HIF-1α may protect cardiac fibroblasts from apoptosis and represent a potential therapeutic target for heart remodeling following hypoxic injury.Additionally, a number of studies have confirmed that HIF-1α prevents MIRI and has a cardioprotective effect (22,23).Protective … crypto pki trustpool import

Targeting HIF-1 alpha transcriptional activity drives ... - Nature

Hypoxia-inducible factor (HIF-1)alpha: its protein stability and ...

WebHIF-1α is a transcriptional factor encoded by the HIF1A gene located within chromosome 14q21-24 and is formed by 15 exons; HIF-1α consists of 826 amino acids and it has a molecular weight of 120 kDa. 48 48 Loboda A, Jozkowicz A, Dulak J. HIF-1 and HIF-2 transcription factors–similar but not identical. Web1 de fev. de 2015 · Hypoxia and inflammation are intimately linked. It is known that nuclear factor κB (NF-κB) regulates the hypoxia-inducible factor (HIF) system, but little is known about how HIF regulates NF-κB. Here, we show that HIF-1α represses NF-κB-dependent gene expression. HIF-1α depletion results in increased NF-κB transcriptional activity both … cryptshare businessWeb29 de fev. de 2004 · Hypoxia-inducible factor (HIF-1) is an oxygen-dependent transcriptional activator, which plays crucial roles in the angiogenesis of tumors and mammalian development. HIF-1 consists of a constitutively expressed HIF-1beta subunit and one of … cryptshare devk

"Web14 de abr. de 2024 · 4、hif-1α的细胞聚集与表达水平变化. 从图5可以看出，3 组样品hif-1α在0.5 h时聚集程度（图中红色标记）不明显，但随着宰后成熟时间的延长，hif-1α聚集程度不断升高。h2o2处理组hif-1α聚集程度明显高于对照组和nac处理组。如图6所示，宰后成熟0.5～24 h内h2o2处理组 ... " - Hif-1α是什么

Hif-1α是什么

mTOR- and HIF-1α–mediated aerobic glycolysis as metabolic ... - Science

Web在常氧条件下，hif-1α 会发生脯氨酸羟基化，这会导致能够促进与希佩尔-林道 (vhl) 蛋白 e3 连接酶复合体结合的构象变化；随后发生泛素化和蛋白酶体降解 (3,4)。低氧条件和羟化酶化学抑制剂（如去铁敏和钴）均可抑制 hif-1α 降解并且导致其稳定。 Web15 de set. de 2024 · Hypoxia‑inducible factor‑1α (HIF‑1α) is essential for regulating the osteogenic differentiation of periodontal ligament cells (PDLCs). The regulatory mechanism of HIF‑1α transcription is still not clear. Recently, two long non‑coding RNAs, HIF1A antisense RNA 1 (HIF1A‑AS1) and HIF1A antisense RNA 2 (HIF1A‑AS2), were found to …

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Web5 de out. de 2001 · Direct analysis of HIF-1α revealed that the protein is subject to ubiquitination and proteasomal degradation under nonhypoxic conditions Huang et al. 1998, Kallio et al. 1999, Salceda and Caro 1997, a process that is inhibited under hypoxic conditions (Sutter et al., 2000).O 2-regulated expression of HIF-1α is mediated by a … Web20 de dez. de 2024 · 细胞信号通路详解之HIF1α通路. 动物细胞中，对氧气的感知和反应是一个非常重要的过程，在包括癌症、心血管疾病和中风在内的多种疾病的病理生理学中占有重要地位。. 该过程主要由HIF（缺氧诱导因子）及其调节子pVHL (VonHippel-Lindau tumor …

WebDespite its name, HIF-1 is induced not only in response to reduced oxygen availability but also by other stimulants, such as nitric oxide, or various growth factors. HIF-1 and Its Signaling Pathways In a hypoxic … Web25 de set. de 2024 · The investigation of HIF-1α is particularly valuable in kidney disease since HIF-1α is expressed predominantly in tubular cells, and tubules are susceptible to hypoxia. 8, 31, 32 Furthermore, studies …

WebThe present study explores the responses of the hypoxia-inducible factor-1α (HIF-1α) to cold, freezing and anoxia exposures in the freeze tolerant goldenrod gall fly larva, Eurosta solidaginis. Reverse transcription-PCR was used to quantify hif-1α transcript levels; transcripts were significantly elevated by ∼70% in chilled (3 ∘ C ... Web8 de ago. de 2016 · 缺氧诱导因子-1α（hypoxia inducible factor-1α，HIF-1α）是缺氧条件下广泛存在于哺乳动物和人体内的一种转录因子，是应答缺氧应激的关键因子。HIF-1α是缺氧诱导因子-1（hypoxia inducible factor-1，HIF-1）的一个亚单位，受缺氧调控并调节HIF …

WebHIF-1α在缺氧条件下仍顺利起始翻译的一个可疑的手段，就是在它的mRNA的5’端的不翻译区域(5’ untranslated region,5’-UTR)形成了一个HIF-1α内部核糖体进入位点(internal ribosome entry site, IRES)，它可以 …

WebHIF 抗体可用于分析细胞对 HIF si/shRNA基因沉默的应答 ChemCruz™ Chemical HIF Inhibitors or HIF Activators 可用于HIF细胞反应的功能性分析 cryptshare caritasWebHypoxia inducible factor (HIF-1α), as a major transcription factor in response to hypoxia, revealed that it could be a promising tumor-specific target for anticancer therapy. In view of clinical application, the formation of a hypoxic microenvironment in tumors can decrease the curative effect of cytotoxic c cryptshare diehl.comWeb30 de jul. de 2024 · Molecular mechanism of hypoxia-inducible factor 1 (HIF-1) signaling. Under normoxia, HIF-1α is hydroxylated by prolyl-4-hydroxylase (PHD) and factor inhibiting HIF-1 (FIH), and interacts with von ... cryptshare certificateWeb9 de jun. de 2024 · HIF family members function as transcriptional regulators of hypoxia (12–14).Under hypoxic conditions, HIF-1α subunits are stabilized and accumulate in the nucleus where they dimerize with … crypto plWeb10 de out. de 2024 · 细胞信号通路详解之HIF1α通路. 2024-10-10 22:30. 动物细胞中，对氧气的感知和反应是一个非常重要的过程，在包括癌症、心血管疾病和中风在内的多种疾病的病理生理学中占有重要地位。. 该过程主要由HIF（缺氧诱导因子）及其调节子pVHL … cryptshare change certificateWeb26 de abr. de 2013 · Overexpression of HIF-1α showed a time delay in HIF-1β induction, thus arguing for HIF-1β de novo synthesis rather than protein stabilization by heterodimerization. A Hen's egg test-chorioallantoic membrane model of angiogenesis … cryptshare coronaWeb18 de jun. de 2024 · hif-1 是一种异二聚体转录因子复合物，由两个亚基组成：应答 o2 的 hif-1α 亚基和结构性表达的 hif-1β 亚基。完整的 HIF-1 复合物与控制各种过程（例如代谢、增殖、凋亡和血管生成）的基因启动子中的Hypoxia response element（HRE，缺氧反 … crypto plain