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تعداد نتایج: 2439  

Journal: :Blood 2014
A A Roger Thompson Philip M Elks Helen M Marriott Suttida Eamsamarng Kathryn R Higgins Amy Lewis Lynne Williams Selina Parmar Gary Shaw Emmet E McGrath Federico Formenti Fredericus J Van Eeden Vuokko L Kinnula Christopher W Pugh Ian Sabroe David H Dockrell Edwin R Chilvers Peter A Robbins Melanie J Percy M Celeste Simon Randall S Johnson Stephen A Renshaw Moira K B Whyte Sarah R Walmsley

Neutrophil lifespan and function are regulated by hypoxia via components of the hypoxia inducible factor (HIF)/von Hippel Lindau/hydroxylase pathway, including specific roles for HIF-1α and prolyl hydroxylase-3. HIF-2α has both distinct and overlapping biological roles with HIF-1α and has not previously been studied in the context of neutrophil biology. We investigated the role of HIF-2α in reg...

2016
Ji Zhou Huaxin Duan Yu Xie Yichong Ning Xing Zhang Na Hui Chunqing Wang Jian Zhang Jianlin Zhou

Transcription factor AP-2 alpha (AP-2α or TFAP2A) is a newly identified prognostic marker of chemotherapy; its expression is positively correlated with chemosensitivity and survival of cancer patients. Using computational programs, we predicted that the coding region of AP-2α gene contains a potential miRNA response element (MRE) of miR-193a-5p, and the single nucleotide polymorphism (SNP) site...

2017
Lin Sun Yinlong Kong Manqing Cao Hongyuan Zhou Huikai Li Yunlong Cui Feng Fang Wei Zhang Jiafeng Li Xiaolin Zhu Qiang Li Tianqiang Song Ti Zhang

Metastasis is a serious risk that may occur during the treatment of hepatocellular carcinoma (HCC), preventing many patients from being surgical candidates and contributing to poor prognosis. Hypoxia has been proved an important factor of metastasis through the epithelial-mesenchymal transition (EMT) pathway. Acetyl-CoA synthase 2 (ACSS2) provides an acetyl group for the acetylation of hypoxia-...

2017
Yu Gao Hongzhao Li Xin Ma Yang Fan Dong Ni Yu Zhang Qingbo Huang Kan Liu Xintao Li Lei Wang Yuanxin Yao Qing Ai Xu Zhang

The E2F3 transcriptional regulatory pathway plays a major part in multiple-cancer progression, but the specific contributions of this pathway to tumor formation and the progression of clear cell renal cell carcinoma (ccRCC) are not fully understood. Clinically, we demonstrated that E2F3 was overexpressed in advanced tumor features. Moreover, cytoplasmic restoration predicted the poor overall su...

Journal: :BMB reports 2011
Kaiqun Ren Shuanglin Xian Fangli He Wenfeng Zhang Xiaofeng Ding Yanyang Wu Liping Yang Jianlin Zhou Xiang Gao Jian Zhang

Transcription factor AP-2α involves in the process of mammalian embryonic development and tumorigenesis. Many studies have shown that AP-2α functions in association with other interacting proteins. In a two-hybrid screening, the regulatory subunit β of protein casein kinase 2 (CK2β) was identified as an interacting protein of AP-2α; we confirmed this interaction using in-vitro GST pull-down and...

Journal: :Molecular Medicine Reports 2021

Cisplatin (DDP)‑based chemotherapy is a standard treatment for cervical cancer, although resistance remains major concern. Hypoxia‑inducible factor‑2 α (HIF‑2α) plays an important role in resistance. MicroRNAs (miRs) can inhibit gene expression by binding to the 3'‑untranslated region of target gene. The authors' previous study showed that miR‑519d‑3p regulation HIF‑2α under hypoxic conditions ...

2016
Fangchao Zheng Feng Du Jiuda Zhao

Published literatures have reported the relationship between hypoxic-inducible factor-2α (HIF-2α) expression and clinicopathological features in gastric cancer (GC), but the evaluated conclusions remain controversial. A meta-analysis was carried to examine the clinicopathological features and prognostic values of HIF-2α in patients with GC. Systematic detailed searches were performed to Pub Med...

2015
Yogesh Saini Steven P. Proper Peter Dornbos Krista K. Greenwood Anna K. Kopec Scott G. Lynn Elizabeth Grier Lyle D. Burgoon Timothy R. Zacharewski Russell S. Thomas Jack R. Harkema John J. LaPres Tiffany Seagroves

Hypoxia is a state of decreased oxygen reaching the tissues of the body. During prenatal development, the fetus experiences localized occurrences of hypoxia that are essential for proper organogenesis and survival. The response to decreased oxygen availability is primarily regulated by hypoxia-inducible factors (HIFs), a family of transcription factors that modulate the expression of key genes ...

Journal: :Asymptotic Analysis 2014
Huyuan Chen Laurent Véron

If p ∈ (0, N N−2α ), α ∈ (0, 1), k > 0 and Ω ⊂ R is a bounded C domain containing 0 and δ0 is the Dirac measure at 0, we prove that the weak solution of (E)k (−∆) u + u = kδ0 in Ω which vanishes in Ω is a weak singular solution of (E)∞ (−∆) u + u = 0 in Ω \ {0} with the same outer data. Furthermore, we study the limit of weak solutions of (E)k when k → ∞. For p ∈ (0, 1+ 2α N ], the limit is inf...

Journal: :Arteriosclerosis, thrombosis, and vascular biology 2013
Heng-Huei Lin Yen-Hui Chen Ming-Tsai Chiang Pei-Ling Huang Lee-Young Chau

OBJECTIVE Increased cardiac stromal cell-derived factor-1α (SDF-1α) expression promotes neovascularization and myocardial repair after ischemic injury through recruiting stem cells and reducing cardiomyocyte death. Previous studies have shown that heme oxygenase-1 and its reaction byproduct, carbon monoxide (CO), induce SDF-1α expression in ischemic heart. However, the mechanism underlying heme...

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