نتایج جستجو برای: گیرنده های ampa
تعداد نتایج: 486208 فیلتر نتایج به سال:
At many mature vertebrate glutamatergic synapses, excitatory transmission strength and plasticity are regulated by AMPA and NMDA receptor (AMPA-R and NMDA-R) activation and by patterns of presynaptic transmitter release. Both receptors potentially direct neuronal differentiation by mediating postsynaptic Ca(2+) influx during early development. However, the development of synaptic receptor expre...
Glutamate is the primary excitatory neurotransmitter in the central nervous system, regulating numerous cellular signaling pathways and controlling the excitability of central synapses both pre- and postsynaptically. Localization, cell surface expression, and activity-dependent regulation of glutamate receptors in both neurons and glia are performed and maintained by a complex network of protei...
Cerebellar long-term synaptic depression (LTD) is a model system of neuronal information storage that is expressed postsynaptically as a functional down-regulation of alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptors. What properties of postsynaptic AMPA receptors are changed? Several lines of evidence argue against changes in AMPA-receptor kinetics. Neither LTD evoked i...
The Family H ope Program is a type of conditional social assistance provided by the government to poor families in form health, education and welfare costs. This study aims determine effectiveness PKH an effort improve people's Nagari Koto Tangah Batu Ampa. subjects this were Beneficiary Families (KPM), which consisted 82 respondents who method used qualitative approach method, results research...
The bacterial isolate Paracoccus sp. strain FLN-7 hydrolyzes amide pesticides such as diflubenzuron, propanil, chlorpropham, and dimethoate through amide bond cleavage. A gene, ampA, encoding a novel arylamidase that catalyzes the amide bond cleavage in the amide pesticides was cloned from the strain. ampA contains a 1,395-bp open reading frame that encodes a 465-amino-acid protein. AmpA was ex...
AMPA receptors play a central role in basal excitatory synaptic transmission as well as synaptic maturation and plasticity. The transmembrane AMPA receptor regulatory protein (TARP) stargazin (gamma2) serves multiple roles in trafficking and stabilizing synaptic AMPA receptors and may be incorporated as an auxiliary subunit. We wanted to determine whether stargazin altered channel function of n...
Ca2+ fluxes through ionotropic glutamate receptors regulate a variety of developmental processes, including neurite outgrowth and naturally occurring cell death. In the CNS, NMDA receptors were originally thought to be the sole source of Ca2+ influx through glutamate receptors; however, AMPA receptors also allow a significant influx of Ca2+ ions. The Ca2+ permeability of AMPA receptors is regul...
چکیده مقدمه: تاکنون در رابطه با نقش گیرنده های متابوتروپیک گلوتامات در تنظیم اشتها تحقیقات بسیار کمی انجام شده است. دراین مطالعه به ارتباط گیرنده های متابوتروپیک گلوتامات و اهمیت آنها در تنظیم دریافت غذا در جوجه خروس های گوشتی پرداخته شده است. مواد و روش ها: در این مطالعه 12 قطعه جوجه با وزن 750-700 گرم پرورش داده شد. با استفاده از دستگاه استریو تاکس در بطن راست مغزی پرندگان کانول گذاری انجام...
Fast excitatory neurotransmission in the mammalian central nervous system is largely carried out by AMPA-sensitive ionotropic glutamate receptors. Localized within the postsynaptic density of glutamatergic spines, AMPA receptors are composed of heterotetrameric receptor assemblies associated with auxiliary subunits, the most common of which are transmembrane AMPA-receptor regulatory proteins (T...
C o m m e n t a r y Stargazin (STZ), the prototypical member of the trans membrane AMPA receptor regulatory protein (TARP) family, can boost AMPA receptor activity to enhance synaptic currents as much as one third. The effects of STZ on microscopic and macroscopic AMPA receptor currents are consistent with a mechanism in which STZ facilitates opening of the AMPA receptor channel. How ever, th...
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