نتایج جستجو برای: poly tyrosine
تعداد نتایج: 151340 فیلتر نتایج به سال:
Mesencephalic type 1 astrocytes rescue dopaminergic neurons from death induced by serum deprivation.
We have established a primary neuronal culture of the embryonic day 14 rat, ventral mesencephalic region, centered on the A8, A9, and A10 dopaminergic nuclei (approximately 1.0 mm3 of tissue). At 16 hr after plating on a substrate of poly-D-lysine, in a serum-free or serum-supplemented growth medium, using a microisland culturing method, 95% of the cells stained positive for neuron-specific eno...
Reactive oxygen and nitrogen species (RONS), including 3-nitro-l-tyrosine, play a dual role in human health, inducing oxidative damage regulating cellular functions. Early accurate detection of such molecules, as L-tyrosine urine, can serve critical biomarkers for various cancers. In this study, we aimed to enhance the electrochemical these molecules through synthesis La2Sn2O7/f-HNT nanocomposi...
poly vinyl alcohol/chitosan nanofibrous mat were prepared by electrospinning method with suitable pore sizes as potential matrices for soft tissue engineering. the designed scaffolds by electrospinning method evaluated by differentanalyses such morphological, mechanical, and cellular analysis.microscopic results showed diameters of poly vinyl alcohol/chitosan nanofibers were approximately 150 n...
Suppression of Akt (Protein kinase B) has been implicated in schizophrenia, the effect which has been documented to be reversed by tyrosine phosphatase inhibition. T hus, present study has been designed to study the effect of sodium orthovanadate, a tyrosine phosphatase inhibitor, on protracted methionine administration induced schizophrenia like behavior in rats. Schizophrenia...
Cell adhesion to the extracellular matrix (ECM) can activate signaling via focal adhesion kinase (FAK) leading to dynamic regulation of cellular morphology. Mechanistic basis for the lack of effective intracellular signaling by non-attached epithelial cells is poorly understood. To examine whether signaling in suspended cells is regulated by Fer cytoplasmic tyrosine kinase, we investigated the ...
We investigated the cellular mechanisms of the unique disorder of insulin action found in the polycystic ovary syndrome (PCOS). Approximately 50% of PCOS women (PCOS-Ser) had a significant increase in insulin-independent beta-subunit [32P]phosphate incorporation (3.7-fold, P < 0.05 vs other groups) in skin fibroblast insulin receptors that was present in serine residues while insulin-induced ty...
Novel anthracene-based Schiff base derivative (4-(anthracen-9-ylmethylene) amino)-5-phenyl-4H-1,2,4-triazole-3-thiol; AT2) is synthesized and utilized as an aggregation-induced emission-enhancement (AIEE) active probe to detect Zn2+ Tyrosine. Ultraviolet-visible absorption/photoluminescence (UV-vis/PL) spectroscopy studies on the AIEE property of AT2 (in ethanol) with increasing water fractions...
Biogenic amines play an important role in brain metabolism and functioning, participation synaptic transmission as neurotransmitters neuromodulators (dopamine, serotonin, histamine others). Catecholamines are formed from the essential amino acid phenylalanine by hydroxylating it to tyrosine with enzyme phenylalanine-4-hydroxylase, which is subsequently converted dioxyphenylalanine (DOPA) tyrosi...
. در رســاله ی حاضر، ابتدا داربست نانوالیاف سه بعدی متخلخل به روش الگوبرداری تصویری شبیه سازی شد. با استفاده از طراحی آزمایش به روش تاگوچی پس از ساخت داربست های پلی (3- هیدروکسی بوتیرات) (p3hb) شناسایی رفتار پارامترهای موادی مثل لزجت سیال پلیمر، فراریت و رسانایی الکتریکی محلول پلیمری و پارامترهای دستگاهی مثل دبی حجمی سیال، ولتاژ الکتریکی و فاصله نازل تا جمع کننده صورت گرفت. بعد از محاسبه ی خصوص...
The physiological correlation between casein kinase 2 (CK2) and two Src family tyrosine kinases (Src-TKs, Fyn and Src) was mainly investigated in vitro. It was found that (i) Thr-residues of these two Src-TKs were preferentially phosphorylated by CK2 using [gamma-32P]GTP as a phosphate donor; (ii) this phosphorylation was highly stimulated in the presence of poly-Arg; (iii) full phosphorylation...
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