نتایج جستجو برای: poly tyrosine
تعداد نتایج: 151340 فیلتر نتایج به سال:
مطالعات گذشته اثر محافظتی ویتامین d در برابر سرطان پستان را گزارش کردند که این اثر توسط گیرنده ویتامین d (vdr) میانجی گری می شود. شواهد زیادی وجود دارد که نشان می دهد که شیوع سرطان پستان با انواع پلی مورفیسم روی ژن vdr ارتباط دارد. هدف این مطالعه، بررسی ارتباط بین پلی مورفیسم در توالی poly(a) ژن vdr با سطح ویتامین d (25-هیدروکسی ویتامین d) سرم و خطر ابتلا به سرطان پستان می باشد. واکنش چند شکلی ...
The translocation of specific mRNAs to dendrites and their potential for locally regulated translation are likely to serve as an effector in neuronal plasticity. Whether translation in dendrites is regulated by delivery of the RNA to sites of plasticity or a stationary pool of localized RNA undergoes enhanced translational efficiency is not clear. We show that RNA can translocate into dendrites...
BACKGROUND Adrenomedullin (AM), a 52-amino acid ringed-structure peptide with C-terminal amidation, was originally isolated from human pheochromocytoma. AM are widely distributed in various tissues and acts as a local vasoactive hormone in various conditions. METHODS In the present study, we investigated the efficacy of AM on the animal model of bleomycin (BLM)-induced lung injury. Mice were ...
The replication of human rhinovirus 2 (HRV2), a positive-stranded RNA virus belonging to the Picornaviridae, requires a virus-encoded RNA polymerase. We have expressed in Escherichia coli and purified both a glutathione S-transferase fusion polypeptide and an untagged form of the HRV2 RNA polymerase 3D(pol). Using in vitro assay systems previously described for poliovirus RNA polymerase 3D(pol)...
in this study, microspheres containing estradiol valerate were prepared by solvent evaporation method using poly (glycolide-co-lactide) (plga 50:50) and poly (lactide). the effect of different process variables such as polymer type, drugpolymer ratio, stirring rate, volume of internal phase and temperature of external phase on the morphology, particle size distribution, encapsulation efficiency...
peripheral nerve injuries caused by traffic accidents, resections of tumors or iatrogenic side effects of the surgeries are few of the most common form of trauma occurring with up to 500,000 cases each year in iran. conventional strategies including nerve coaptation, and the application of autografts, allografts and xenografts are restricted due to the limited availability of donors, immune-rej...
objective(s): three-dimensional structures such as nanofibrous scaffolds are being used in biomedical engineering as well as provide a site for cells to attach and proliferate leading to tissue formation. in the present study, poly(vinyl pyrrolidone) (pvp)/ poly(vinyl alcohol)(pva) hybrid nanofibrous scaffold was synthesized by electrospinning. materials and methods: the effect of adding nano h...
Background: Clove bud oil (CBO) and oleoresin rosemary (ORM) possess antioxidant antibacterial properties are widely used as natural preservatives in meat products. The present study was conducted with the objective of evaluating essential oils CBO ORM a hurdle for extending shelf life chicken patties at ambient temperature storage. Methods: viz. 0.05% level (T1) 0.1% (T2) their combination (CB...
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