نتایج جستجو برای: cybb protein
تعداد نتایج: 1234956 فیلتر نتایج به سال:
Reactive oxygen species, ROS, are regulators of endothelial cell migration, proliferation and survival, events critically involved in angiogenesis. Different isoforms of ROS-generating NOX enzymes are expressed in the vasculature and provide distinct signaling cues through differential localization and activation. We show that mice deficient in NOX1, but not NOX2 or NOX4, have impaired angiogen...
سنaelia acuminata یکی از آفاتی است که همه ساله خسارات زیادی را به مزارع گندم وارد می آورد. گندم به عنوان یکی از مهمترین محصولات در کشور ما، جایگاه ویژه ای در کشاورزی دارد. از این رو مطالعه جنبه های مختلف زیستی این آفت به منظور برنامه ریزی جهت کاهش سطح خسارت امری بسیار ضروری است. در این پروژه آنزیم آلفاآمیلاز در دستگاه گوارش(معده میانی و غده بزاقی) سن a. acuminata بررسی شد. آلفاآمیلازها، هیدرولی...
Interleukin-15 (IL-15) is a newly described cytokine that shares biological activities with IL-2. We report here results demonstrating the ability of IL-15 to enhance superoxide production and antifungal activity of human monocytes. After 18 and 48 h of treatment with IL-15, human elutriated monocytes manifested enhanced superoxide production in response to either phorbol myristate acetate or o...
p38 mitogen-activated protein kinases (MAPKs) respond to a wide range of extracellular stimuli. While the inhibition of p38 signaling is implicated in the impaired capacity to repair ultraviolet (UV)-induced DNA damage-a primary risk factor for human skin cancers-its mechanism of action in skin carcinogenesis remains unclear, as both anti-proliferative and survival functions have been previousl...
AIMS The highly expressed cell adhesion receptor CD29 (β(1)-integrin) is essential for cardiomyocyte growth and survival, and its loss of function causes severe heart disease. However, CD29-induced signalling in cardiomyocytes is ill defined and may involve reactive oxygen species (ROS). A decisive source of cardiac ROS is the abundant NADPH oxidase (NOX) isoform NOX2. Because understanding of ...
Porphyromonas gingivalis, a major opportunistic pathogen in the etiology of chronic periodontitis, successfully survives in human gingival epithelial cells (GECs). P. gingivalis abrogates the effects of a host danger molecule, extracellular ATP (eATP)/P2X7 signaling, such as the generation of reactive oxygen species (ROS) via the mitochondria and NADPH oxidases (NOX) from primary GECs. However,...
OBJECTIVE Increased reactive oxygen species (ROS) production is involved in the pathophysiology of endothelial dysfunction. NADPH oxidase-4 (Nox4) is a ROS-generating enzyme expressed in the endothelium, levels of which increase in pathological settings. Recent studies indicate that it generates predominantly hydrogen peroxide (H(2)O(2)), but its role in vivo remains unclear. METHODS AND RESU...
در این پژوهش از روش آماری سطح پاسخ جهت بهینه سازی شرایط فرآیند هیدرولیز پروتئین روده و معده ی گوسفند با استفاده از آنزیم آلکالاز (2.4l)، استفاده شد. فاکتورهای مورد بررسی در این تحقیق دما، زمان و نسبت آنزیم به سوبسترا بودند که برای رسیدن به بیشترین میزان درجه هیدرولیز و بازیافت نیتروژن این متغییرها در محدوده ی دمای 52-43 درجه سانتیگراد، زمان 190-65 دقیقه و مقدار آنزیم 95-50 (anson unit/kg protei...
Tyrosine kinase inhibitors (TKI) have improved CML response rates, and some are effective against resistance-promoting point mutations in BCR-ABL1. However, in the absence of point mutations, resistance still occurs. Here, we identify a novel pathway mediating resistance which connects p47phox, the organizer subunit of NADPH oxidase-2 (NOX2), with early growth response-1 (Egr-1) and the Src fam...
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