نتایج جستجو برای: mir 499
تعداد نتایج: 47909 فیلتر نتایج به سال:
The L-type calcium channel (LTCC) is one of the major ion channels that are known to be associated with the electrical remodeling of atrial fibrillation (AF). In AF, there is significant downregulation of the LTCC, but the underlying mechanism for such downregulation is not clear. We have previously reported that microRNA-499 (miR-499) is significantly upregulated in patients with permanent AF ...
BACKGROUND The aim of this study was to assess plasma levels of endothelium- and heart-associated microRNAs (miRNAs) miR-126 and miR-499, respectively, using quantitative reverse transcriptase polymerase chain reaction. METHODS A two-step analysis was conducted on 75 patients undergoing off-pomp coronary artery bypass graft (CABG) surgery. Five biomarkers of inflammation and cardiac injury we...
Here, we carried out an investigation of the relationship between miR-146a (rs2910164), miR-149 (rs2292832), miR-196a2 (rs11614913) and miR-499 (rs3746444) polymorphisms and development of ovarian cancer in a Chinese population. With a hospital-based case-control design, 155 patients and 342 control subjects were involved in the First Affiliated Hospital of Harbin Medical University between Mar...
BACKGROUND AND OBJECTIVES Diagnosis of acute myocardial injury with biomarkers is difficult in patients with advanced renal failure. Circulating microRNAs are promising new biomarkers of myocardial injury. It is unknown whether levels of microRNAs are affected in patients undergoing hemodialysis. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS High-sensitivity cardiac troponin T (hsTnT) and car...
BACKGROUND Human DNA polymerase β (DNA polymerase β, polβ) is a small monomeric protein essential for short-patch base excision repair (BER). It plays an important role in regulating the sensitivity of tumor cells to chemotherapy. METHODS Luciferase reporter and western blot assays were used to determine whether polβ is a major target of miR-499. CCK-8, colony-forming survival and in vivo tum...
BACKGROUND Cardiac stem cells (CSCs) delivered to the infarcted heart generate a large number of small fetal-neonatal cardiomyocytes that fail to acquire the differentiated phenotype. However, the interaction of CSCs with postmitotic myocytes results in the formation of cells with adult characteristics. METHODS AND RESULTS On the basis of results of in vitro and in vivo assays, we report that...
Background—Cardiac stem cells (CSCs) delivered to the infarcted heart generate a large number of small fetal-neonatal cardiomyocytes that fail to acquire the differentiated phenotype. However, the interaction of CSCs with postmitotic myocytes results in the formation of cells with adult characteristics. Methods and Results—On the basis of results of in vitro and in vivo assays, we report that t...
زمینه و هدف: فعالیت استقامتی بر عملکرد و همچنین عوامل درگیر در رونویسی عضلات اسکلتی درگیر تاثیر می‌گذارد. هدف این پژوهش بررسی تاثیر یک دوره فعالیت استقامتی بر بیان miR-499 و ژن sox6 در عضلات اسکلتی تند و کندانقباض رت‌های نر نژاد ویستار است. روش بررسی: بدین منظور 14 رت تحت شرایط کنترل شده نگهداری و سپس به صورت تصادفی به دو گروه کنترل و تجربی تقسیم شدند. گروه تجربی یک برنامه (14 هفته‌ای، 6 روز د...
The aim of the present study was to determine whether serum miR-499 may be used as a biomarker for early detection of non-small cell lung cancer (NSCLC). The present study was designed as an initial screening phase and a subsequent validation phase. In the screening phase, we analyzed serum levels of miR-499 in a subset of 40 patients with stage I (n=20) and stage IV (n=20) NSCLC. In the valida...
زمینه و هدف: فعالیت استقامتی بر عملکرد و همچنین عوامل درگیر در رونویسی عضلات اسکلتی درگیر تاثیر می گذارد. هدف این پژوهش بررسی تاثیر یک دوره فعالیت استقامتی بر بیان mir-499 و ژن sox6 در عضلات اسکلتی تند و کندانقباض رت های نر نژاد ویستار است. روش بررسی: بدین منظور 14 رت تحت شرایط کنترل شده نگهداری و سپس به صورت تصادفی به دو گروه کنترل و تجربی تقسیم شدند. گروه تجربی یک برنامه (14 هفته ای، 6 روز در...
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