内分泌细胞将激素或调节肽分泌到细胞外,通过组织间液,再作用于本细胞膜上的受体,使内分泌细胞的功能发生改变。这一途径的靶细胞就是该细胞的本身。
神经分泌(neurohormone):下丘脑具有内分泌功能的NC分泌的激素,延轴浆运输末梢分泌4.自分泌(autocrine):内分泌细胞分泌的激素在局部扩散后又作用与该内分泌细胞5.
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In addition of its paracrine function, VEGF is an autocrine factor.
VEGF既是一种旁分泌因子,又是一种自分泌因子。
参考来源 - VEGF及其受体FLKHuman epidermal growth factor is a 53-amino acid autocrine/paracrine peptide of 6221Da, and is secreted in saliva, gastric juice, blood and urine, which have an isoelectric point of 4.6 and a resistance to heat.
人表皮细胞生长因子(human epidermal growth factor,hEGF)是存在于唾液、胃液、血液、尿液中的一种分泌肽,由53个氨基酸组成,分子量为6221Da,等电点为4.6,对热稳定,根据分泌方式可分为旁分泌和自分泌两种。
参考来源 - 利用人工油体和植物油体表达人表皮细胞生长因子hEGF·2,447,543篇论文数据,部分数据来源于NoteExpress
在分泌特点上,生长因子主要属于自分泌和旁分泌。
Secreting a characteristic , grow factor basically is belonged to be secreted oneself and by secrete.
在分泌特点上,生长因子主要属于自分泌和旁分泌。
Secreting a characteristic, grow factor basically is belonged to be secreted oneself and by secrete.
现尚未清楚是否是由心脏等靶器官内的局部自分泌和旁分泌因子调控AMPK。
Whether local autocrine and paracrine factors within target organs such as the heart modulate AMPK is unknown.
An example is production of certain molecules called cytokines by T-cells that activate themselves.
细胞能分泌这类叫做细胞因子的分子,实现自激活
One is shown at the top here, its call autocrine.
一种在最上面,称为自分泌
Here, what's different between autocrine and paracrine is that there's some distance between the cell that produces the signal and the cell that receives the signal, but it's not too great a distance because the blood system doesn't have to be involved.
自分泌和旁分泌的区别在于,旁分泌中,产生信号的细胞和接收信号的细胞,之间存在着一定的距离,但这个距离并不远,因为血液系统并不参与
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