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مطالعه حاضر به منظور بررسی تاثیر bmp-4 بر تمایز قلبی سلول های بنیادی بافت چربی (adscs) طراحی شد. به این منظور، adsc ها از بافت چربی اینگوینال موش جداسازی و کشت داده شدند. برای تمایز قلبی، adsc ها به مدت 5 روز در محیط حاوی fbs یا kosr با غلظتهای مختلف فاکتور bmp-4 تیمار شدند. 21 روز پس از آغاز تمایز، بیان فاکتور های نسخه برداری و ژن های اختصاصی قلب بررسی شد. به علاوه، امکان بهینه سازی محیط تمایز...
The article provides an insight into a problem of lexical semantic change. A short historical outline of the development of semantic studies is given. The authors analyze some of the most important stages in the history of the formation of this field. The existing approaches to dealing with form and meaning, namely semasiological and onomasiological ones are discussed. The authors consider the ...
The article focuses on the factors that cause linear and vertical sentence extension of multiple complex-compound sentences used in English fictional literature. Considering the sentence structure as a combination of 2 Units – paratactic and hypotactic the authors define the structural peculiarities of paratactic and hypotactic units including the number of clauses and its bonds. The extension ...
To determine the directions of managing the intellectual capital of a university, the authors studied the impact of the knowledge economy on the education sector, analysed the most prestigious international rankings of universities and their criteria and methodologies, assessed the current state and prospects of Ukrainian universities in global rankings. The study of theoretical developments ha...
background: the purpose of this study was to detect the prevalence of ghost and honorary authors and its determinant factors in bio-medical journals of iran. methods: the study was done in 2009-10 in tehran, kerman, and iran medical universities, iran. we contacted the first or corresponding authors of the papers had published papers in the recent two issues of iranian journal of public health...
Although the topic of the study seems to be a novel subject and its design looks excellent, there are some points which seem to be missed or neglected by the respected authors of the paper entitled: “Study of the Expression of Survivin & Its Splice Variants ΔEx3, 2b and 3b as Diagnostic Molecular Markers in Breast Cancer”. Through this review, it was attempted to review and criticize some of th...
In the modern world, government policy makers engage in the decision making process to pursue the interests of their countries. Think tanks play a significant role in this complicated process by giving advice to decision makers. Since the beginning of the twentieth century, think tanks increasingly emerged in the world, especially in Western European countries and the United States of America (...
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