نتایج جستجو برای: هاله دگرگونی 2b
تعداد نتایج: 30143 فیلتر نتایج به سال:
BACKGROUND The process of axon guidance is important in establishing functional neural circuits. The differential expression of cell-autonomous axon guidance factors is crucial for allowing axons of different neurons to take unique trajectories in response to spatially and temporally restricted cell non-autonomous axon guidance factors. A key motivation in the field is to provide adequate expla...
Background. The efficacy and tolerability of peginterferon α -2a and peginterferon α -2b in chronic hepatitis C (CHC) patients remain controversial. Methods. PubMed, Ovid, and Cochrane libraries were electronically searched until August 30, 2012. Studies that met the inclusion criteria were systematically evaluated by two reviewers independently. Results. The overall sustained virologic respons...
The aim of this study was to develop a temperature-induced polyethylene glycol (PEG) water phase/polysaccharide water-phase emulsion approach for preparing interferon alpha-2b (IFNα-2b)-loaded polysaccharide nanoparticles. IFNα-2b was first added to a mixture of an aqueous solution of PEG and polysaccharide. The mixture solution was stirred in a magnetic stirrer at a rate of 2000 rpm for 45 sec...
Asthma is a chronic condition with high morbidity and healthcare costs, and cockroach allergens are an established cause of urban pediatric asthma. A better understanding of cell types involved in promoting lung inflammation could provide new targets for the treatment of chronic pulmonary disease. Because of its role in regulating myeloid cell-dependent inflammatory processes, we examined A(2B)...
BACKGROUND Treatment guidelines recommend the use of peginterferon alfa-2b or peginterferon alfa-2a in combination with ribavirin for chronic hepatitis C virus (HCV) infection. However, these regimens have not been adequately compared. METHODS At 118 sites, patients who had HCV genotype 1 infection and who had not previously been treated were randomly assigned to undergo 48 weeks of treatment...
Effect of A2B adenosine receptor gene ablation on proinflammatory adenosine signaling in mast cells.
Pharmacological studies suggest that A(2B) adenosine receptors mediate proinflammatory effects of adenosine in human mast cells in part by up-regulating production of Th2 cytokines and angiogenic factors. This concept has been recently challenged by the finding that mast cells cultured from bone marrow-derived mast cells (BMMCs) of A(2B) knockout mice display an enhanced degranulation in respon...
مشاهدات و تجربیات جهانی نشانگر آن است که هاله مناطق شهری نقش مهمی در شکل گیری مجموعه های شهری و توسعه منفصل شهرها و مناطق شهری بزرگ دارند. لذا در این پژوهش به تحلیل عوامل و الگوی توسعه هاله منطقه شهری پرداخته می شود و بدین منظور منطقه شهری ارومیه که در سال های اخیر شاهد رشد و گسترش افقی این منطقه و ایجاد هاله های جدید هستیم، مورد بررسی قرارگرفته است تا بتوان به سؤال های پژوهش که چه عواملی در ال...
A correlation between high plasma serotonin levels and total pulmonary resistance was reported in more than 80% of pulmonary hypertensive patients. When submitted to chronic hypoxia (10% O(2) for more than 3 weeks), wild-type mice develop lung vascular remodeling and pulmonary hypertension. We previously reported that, in contrast, the development of these hypoxia-dependent alterations is total...
Multiple Endocrine Neoplasia type 2B (MEN 2B) is an autosomal dominant complex oncologic neurocristopathy including medullary thyroid carcinoma, pheochromocytoma, gastrointestinal disorders, marphanoid face, and mucosal multiple ganglioneuromas. Medullary thyroid carcinoma is the major cause of mortality in MEN 2B syndrome, and it often appears during the first years of life. RET proto-oncogene...
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