نتایج جستجو برای: egf
تعداد نتایج: 10806 فیلتر نتایج به سال:
Purpose: To determine the effects of different doses of addition of exogenous epidermal growth factor (EGF) on development of pre-implantation mouse embryo. Materials and Methods: Mouse zygotes, two cell, 8 cell any morulae were collected from superovulated NMRI mice 24, 48, 64 and 80 hrs after hCG injection, respectively. The obtained embryos were cultured on medium alone, medium with 1, 4 an...
epidermal growth factor (egf) is an important factor for healing after tissue damage in diverse experimental models. it plays an important role in liver regeneration (lr). the objective of this experiment is to investigate the methylation variation of 10 cpg sites in the egf promoter region and their relevance to egf expression during rat liver regeneration. as a follow up of our previous study...
epidermal growth factor (egf) is a polypeptide molecule, with important functions in epithelial growth and wound repair. it exerts its effects on cells by binding to receptors on the cell surface. the aim of this study was to evaluate and compare salivary egf levels in patients with gingivitis and advanced periodontitis as well as in healthy controls.unstimulated salivary samples were collected...
Normalized difference vegetation index (NDVI) time series data, derived from optical images, play a crucial role for crop mapping and growth monitoring. Nevertheless, images frequently exhibit spatial temporal discontinuities due to cloudy rainy weather conditions. Existing algorithms reconstructing NDVI using multi-source remote sensing data still face several challenges. In this study, we pro...
Abstract Auditory neurophysiological responses, such as steady-state event-related potential P300/P3, and phase-amplitude coupling, are promising translational biomarkers for schizophrenia, but their molecular underpinning is poorly understood. Focusing on ErbB receptor signals that implicated in both schizophrenia auditory processing/cognition, we explored the causal biological links between t...
There is broad consensus that differentiating AF into the categories of “paroxysmal AF” vs “persistent (PerAF)” “LS-PerAF” a relatively crude means to differentiate types. Clearly, there pressing need for better strategies phenotype AF. Electrographic Flow (EGF) mapping designed identify not only active sources excitation, but also estimate consistency observed atrial wavefront propagation. flo...
background: mammalian oocytes are exposed to a mixture of many different growth factors and cytokines which provides an optimized microenvironment for oocyte maturation. in the lack of this natural microenvironment in vitro the quality of oocyte and embryos appears to be suboptimal. objective: this study was undertaken to investigate the effects of egf and lif on in vitro maturation fertilizati...
Abstract Heparin-Binding EGF-like Growth Factor (HB-EGF) is a ligand for the Epidermal Receptor (EGFR), tyrosine kinase receptor which promotes cell proliferation and migration. In epithelium of lung, HB-EGF an important factor wound repair, however little known about effects on viral infection in vivo. Literature suggests that human alveolar epithelial lines, EGFR cofactor Influenza A infectio...
مقدمه: مشکلات پا یکی از شایعترین و جدیترین عوارض دیابت است. نوروپاتی محیطی، درگیری عروق و اختلالات ایمنی در ایجاد این عارضه دخیل هستند. تلاشهای فراوانی برای پیشگیری و درمان زخم پای دیابتی صورت گرفته است و هدف این مطالعه نیز بررسی تأثیر فاکتور رشد اپیدرمال در تسریع بهبود زخم پای دیابتی بوده است. مواد و روشها: در این مطالعه که به صورت کارازمایی کنترل شده یک سوکور انجام گرفت، 30 بیمار دیابتی د...
While pulmonary vein isolation (PVI) appears sufficient to treat most patients with persistent AF, there is a pressing need for technologies that can identify AF sources in who present redo procedures all PVs already isolated – increasingly encountered clinical situation. Electrographic Flow (EGF) mapping enables full spatiotemporal reconstruction of organized wavefront propagation, both active...
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