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1·Calcium is a ubiquitous second messenger.

钙是一种普遍存在的第二信使。

2·SM may be a second messenger involved in this process.

神经鞘磷脂作为第二信使也参与此过程。

3·Sphingosine 1 phosphate (SPP) is an important second messenger involved in cell growth and cell death.

鞘氨醇1磷酸(SPP)是重要的细胞第二信使，影响细胞的生长和死亡。

4·This suggest that Ca ions play an important role as the second messenger to induce the express of cold resistance genes to adapt the low temperature.

这表明，低温能够诱导钙离子向细胞质内流入并发挥其信使功能，从而使抗冷基因得到表达而使南极冰藻具有抗冷的性质。

5·Cell membrane receptor and its second messenger are significant for annotate mechanism of optic neural accommodation and nosogenesis of some ophthalmopathy.

细胞膜受体及其第二信使对于解释眼的神经调节机制及了解某些眼病的发病机理十分重要。

6·Phosphatidic acid (PA) is an important intracellular signal molecule and is called the lipid second messenger because several targets of PA have especially been cloned and identified.

磷脂酸(phosphatidicacid, PA)是植物中重要的细胞内信号分子，被称为“脂质第二信使”，特别是几个PA的作用靶点已被克隆和鉴定。

7·As a novel second messenger, ceramide plays important roles in a variety of physiologic or pathologic events relating to cellular growth, proliferation, differentiation, apoptosis and injuries.

作为重要的第二信使，神经酰胺在多种信号转导过程中发挥广泛作用，从而影响细胞生长、增殖、分化、凋亡及损伤等多种生理、病理过程。

8·Calcium is not only a necessary element, but also the second messenger of signal out of cell and physiological and biochemical reaction in cell, regulating the growth and development of fruit trees.

钙不仅是果树生长发育所必需的一种大量元素，更重要的是作为胞外信号和胞内生理生化反应的第二信使，参与果树生长和发育的调控。

9·Ceramide as an important member of sphingolipid is a second messenger responsible for regulating cellular activities, whose major function is to transmit growth-inhibiting signals including apoptotic.

神经酰胺作为神经鞘脂类的主要成员之一，是一个主要调节细胞活动的第二信使，以转导细胞凋亡等细胞生长抑制活动信号为主。

10·On October 5, 2008 4:40 am EDT, MESSENGER successfully completed its second flyby of Mercury.

2008年10月5号美国东部时间4点40分“信使号”成功完成第二次飞越水星的任务。