نتایج جستجو برای: ژن های کمپلکس nhe
تعداد نتایج: 483234 فیلتر نتایج به سال:
Injection of 50 microl 10% phenol into rat renal cortex activates renal sympathetic nerve activity which provokes acute hypertension that persists for weeks. We have previously shown with membrane fractionation that phenol injury caused a redistribution of the main proximal tubule (PT) apical transporter NHE3 (Na+/H+ exchanger isoform 3) to low density membranes enriched in apical microvilli. T...
Generation of reactive oxygen species (ROS) and intracellular Ca(2+) overload are key mechanisms involved in ischemia-reperfusion (I/R)-induced myocardial injury. The relationship between I/R injury and Ca(2+) overload has not been fully characterized. The increase in Na(+)/H(+) exchanger (NHE-1) activity observed during I/R injury is an attractive candidate to link increased ROS production wit...
A novel Cl-dependent Na/H exchange (Cl-NHE) has been identified in apical membranes of crypt cells of rat distal colon. The presence of Cl is required for both outward proton gradient-driven Na uptake in apical membrane vesicles (AMV) and Na-dependent intracellular pH recovery from an acid load in the crypt gland. The present study establishes that Cl-dependent outward proton gradient-driven (2...
Numerous studies have examined the effect of Na(+)/H(+) exchanger (NHE) inhibition on the myocardium; however, the effect of NHE-1 inhibition on neutrophil function has not been adequately examined. An in vivo canine model of myocardial ischemia-reperfusion injury in which 60 min of left anterior descending coronary artery occlusion followed by 3 h of reperfusion was used to examine the effect ...
شناسایی دو آلل BF2*13 و BF2*21 کمپلکس اصلی سازگاری بافتی توسط روش PCR در دو توده نژادی خزک و دشتیاری
این پژوهش به منظور شناسایی دو آلل BF2*13 و BF2*21 ژن BF2 از کلاس I کمپلکس اصلی سازگار بافتیMHC در دو توده نژادی استان سیستان و بلوچستان صورت گرفت. کمپلکس اصلی سازگار بافتی مجموعه ای ژنی می باشد که نقش تنظیمی را در سیستم ایمنی ایفا می کند. آزمایشات بسیاری ارتباط این مجموعه ژنی را با مقاومت و حساسیت در مقابل انواع بیماری ها و همچنین صفات تولیدی نشان داده است. ژن BF2 یکی از این جایگاه های مرتبط م...
The study 1 published in this issue of Circulation Research showing that a null mutation of NHE-1 improves the tolerance of the heart to ischemia and reperfusion (I/R) is an important contribution for the following reasons: (1) In the animals with null mutation, contracture during the ischemic period was less and ATP levels were preserved compared with wild-type animals. This observation, on th...
ABSTRACT BPS CS 22940−0009 is a helium-rich B-star that shares characteristics with both B subdwarfs and extreme helium stars. The optical spectrum of has been analysed from SALT observations. atmospheric parameters were found to be $T_{\rm eff} = 34\, 970 \pm 370$ K, $\log g/{\rm cm\, s^{-2}} 4.79 0.17$, nH/nHe ≃ 0.007, nC/nHe nN/nHe 0.002, although further improvement the line fits would desi...
باسیلوس سرئوس باکتری گرم مثبت و اسپورزایی است که به عنوان عامل مسمومیت در مواد غذایی شناخته شده است. بسیاری از سویه های این باکتری باعث مسمومیت غذایی از نوع اسهالی و استفراغی می شوند. بیماری های نوع اسهالی توسط انتروتوکسین های همولیزینhbl ، غیر همولیتیک nhe و سیتوتوکسینk ایجاد می شوند. باسیلوس سرئوس حاوی اسپور می باشد بنابراین می تواند شرایط نامناسب محیطی از جمله دما و کمبود ماده غذایی را تحمل...
Brett, Christopher L., Mark Donowitz, and Rajini Rao. Evolutionary origins of eukaryotic sodium/proton exchangers. Am J Physiol Cell Physiol 288: C223– C239, 2005; doi:10.1152/ajpcell.00360.2004.—More than 200 genes annotated as Na /H hydrogen exchangers (NHEs) currently reside in bioinformation databases such as GenBank and Pfam. We performed detailed phylogenetic analyses of these NHEs in an ...
The use of antagonists of the mineralocorticoid receptor in the treatment of myocardial hypertrophy and heart failure has gained increasing importance in the last years. The cardiac Na(+)/H(+) exchanger (NHE-1) upregulation induced by aldosterone could account for the genesis of these pathologies. We tested whether aldosterone-induced NHE-1 stimulation involves the transactivation of the epider...
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