突触前的

In terms of expression site, synaptic plasticity can be divided into presynaptic and postsynaptic.

突触前可塑性是指通过对神经递质释放过程的干预、修饰，调节突触强度的过程。

The results showed that GABA was the excitatory transmitter of presynaptic inhibition.

以上结果表明：GABA是突触前抑制环路中，最后一级突触的兴奋性递质。

The release is triggered by Ca〓 and completed by the fusion of neurotransmitter containing synaptic vesicles with the presynaptic membrane.

神经递质的释放是由钙引发的，由含神经递质的突触囊泡与突触前膜融合完成的。

In addition, the number of synaptic sites that express detectable levels of GABARs was decreased by approximately 50% after activity blockade, although there was no reduction in the total number of presynaptic contacts.

另外，突触点的数量表示，在活动阻闭后GABARs可见的水准下降了约50%，虽然突触前接触的总数没有下降。

The quantitative result of EM showed also that the numbers of unmyelinated fibers in spared root of morphine spared root and spared root rats were respectively 60% and 42% higher than that of unoperated side.

提示参与Ⅱ板层突触重建的部分突触前成分是来自备用根内无髓纤维的侧支出芽。6、切除一侧腰段大部分背根节后，对侧Ⅱ板层外侧份FRAP活性降低或消失，即鱼钩尖消失。

The in vitro effects of Gln49-PLA_2 were examined using the chick biventer cervicis nerve muscle preparation. Gln49-PLA_2 caused a dosedependent blockade of neuromuscular transmission. The time required to cause 50% blockade was about 150 min at the highest concentration 100μg/ml. This inhibition appeared to be presynaptic in origin as evidenced by the lack of effect of toxin on responses to exogenous acetylcholine in the non-stimulated BCp.

Gln49-PLA_2能够剂量依赖性地抑制颈二腹肌神经信号正常传导并影响肌肉收缩，在100μg/ml剂量下，肌肉收缩幅度在150分钟后达到50%的抑制率；同时，随着Gln49-PLA_2浓度的降低，肌肉收缩幅度的抑制效率也逐渐降低；实验证明Gln49-PLA_2对突触后膜乙酰胆碱受体敏感性无影响，对神经肌肉信号传导收缩的抑制作用位点在突触前膜。

alpha - the synapse nucleoalbumin is the soluble protein which one kind of central nervous system synapse, expresses, gets sick the morbidity with parkinson to have the close relationship.

α-突触核蛋白是一种中枢神经系统突触前表达的可溶性蛋白，与帕金森病的发病有密切的关系。

Results indicated that the GABAnergic system inhibition and pre-synaptic transmitter exhaustion may play an important role in short-term plasticity. And the short-term depression in thalamocortical visual pathway was strengthened when the cortex circuit get mature.

结果表明：GABA能系统的抑制作用和突触前递质衰竭很可能是决定该回路短时程抑制特性的主要因素；幼年大鼠与成年大鼠视觉系统短时程突触可塑性的对比研究表明，随着皮层回路的成熟，视觉丘脑至皮层通路的短时程突触抑制作用越来越强。

In fact, BDNF potentiates intracellular Ca~(2+) release presynaptically and BDNF-induced TrkB activation also results in phosphorylation of synapsin I via mitoen activated protein kinase, which increases the number of synaptic vesicles available for release.

事实上，BDNF能促进突触前细胞内Ca~(2+)的释放，TrkB的激活也能通过有丝分裂活化蛋白激酶，引起突触素I的磷酸化，进而增加可释放的突触囊泡的数量。

I have therefore generated several p130cas RNA interference transgenic lines to determine the possible function of p130cas during neurogenesis. Knockdown of p130cas expression in developing neurons resulted in partial fusion in the commissures axon fascicles of CNS, photoreceptor axon targeting and guidance defects, and bulged synapse boutons at the neuromuscular junction. Moreover, reduced expression of p130cas in sensory organ precursor cells and proneural clusters resulted in bristle development defects.

为了了解p130cas的功能以及更进一步的分析p130cas在神经发育过程所扮演的角色，我建立一系列可以执行RNA干扰技术的转殖果蝇，结果显示在果蝇的神经中降低p130cas的表现会造成腹部神经索中原来排列整齐的commissure axons神经束偶尔会出现不正常的融合；若将p130cas专一地在果蝇眼睛中降低则会造成果蝇视神经突触目标辨识与突触导向的缺陷；而如果局部的运动神经系统中降低p130cas的表现会造成在神经肌肉接点的神经突触有澎大的现象；此外在果蝇的感觉器官前细胞以及原神经细胞丛，降低p130cas的表现则会导致刚毛发育的缺陷。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。