نتایج جستجو برای: during its development
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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...
it is definitely necessary to understand the concept and behavior of causation of life insurance policies and its determinants for insurance managers, regulators, and customers. for insurance managers, the profitability and liquidity of insurers can be increasingly influenced by the number of causation through costs, adverse selection, and cash surrender values. therefore, causation is a materi...
the extent to which written corrective feedback on linguistic errors can play a role in helping l2 writers improve the accuracy of their writing continues to be an issue of interest to researchers and teachers since truscott (1996) mounted a case for its abolition. while there is growing empirical evidence that written corrective feedback can successfully target some types of linguistic error (...
Introduction: Complex molecular pathways involve in development of different tissues such as teeth. Differential gene expression patterns during teeth development generates different tooth types. Teeth development results from interactions between oral epithelium and underlying ectomesenchyme cells with neural crest origin. Teeth development are regulated by different signaling networks. In thi...
The epidemic of environmental impacts is one of the factors that necessitate examining its various dimensions in a wide range of political actions of governments. Environmental rights, as the most important case in the four factors of solidarity rights, beyond the political actions of governments, have also raised international concerns as a result of its impact on the globe. In this regard, at...
this study attempts to explore the development and evolution of mackinder's geopolitical thinking in global politics of british empire and its influence thereafter. this research paper examines the characteristics of geopolitical perspective of britain, through halford mackinder's heartland theory during the three periods of the early twentieth century to the present time. in this reg...
afghanistan is a land-locked country that depends on its neighboring countries to transit essential commodities. iran, for its proximity and access to the high seas, seems to have the most economical route to meet afghanistan’s needs. however, this country did not pursue such an economical route due to its western tendencies and its foreign policies which were completely different with iran’s. ...
The epidemic of environmental impacts is one of the factors that necessitate examining its various dimensions in a wide range of political actions of governments. Environmental rights, as the most important case in the four factors of solidarity rights, beyond the political actions of governments, have also raised international concerns as a result of its impact on the globe. In this regard, at...
Introduction. In order to improve planning, educational methodology, and evaluation in medical education, well-proportioned, exact and prospective programs are needed. Without doubt, the main changes in medical education programs have resulted from researches performed in this area during the last decades. Revision of medical education in Iran began by the Cultural Revolution Council by order ...
Introduction: Among the components of the extracellular matrix (ECM) and basement membrane (BM), laminitis heterotrimeric glycoprotein (laminin) and collagen type IV are the most important. In a previous study we have examined the role of collagen type IV in the developing lens capsule. The present study aims to determine the appearance and distribution of laminin in the BM and ECM of lenses ...
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