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L-卡尼丁抑制了人类角膜上皮细胞中的暂时受体潜在的瓦尼洛伊德1型激活

Alexander Lucius¹, Sirjan Chhatwal¹, Monika Valtink^2,3

¹Klinik für Augenheilkunde, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 13353 Berlin, Germany.

International journal of molecular sciences

|July 29, 2023

概括

通过抑制TRPV1激活,L-卡尼丁可以防止干眼综合征 (DES). 这项研究表明,L-卡尼丁阻断了高度应激诱导的细胞收缩和流量,为DES提供了潜在的治疗方法.

科学领域:

眼科医生眼科眼科
细胞生物学细胞生物学
药理学药理学是指药理学的学科.

背景情况:

干眼综合征 (DES) 经常是由眼超度引起的.
暂时受体潜在化物1型 (TRPV1) 激活在DES中起着关键作用.
L-卡尼丁显示出作为治疗剂的潜力,可以对抗高血压诱导的反应.

研究的目的:

为了调查L-卡尼丁是否抑制TRPV1激活.
为了确定L-carnitine是否阻断角膜上皮细胞中热,素或高度应激诱导的反应.
评估L-carnitine对细胞体积收缩和流入的影响.

主要方法:

使用人类角膜上皮细胞系 (HCE-T).
采用单细胞光成像来测量细胞体积和细胞内水平.
利用平面补丁技术记录整个细胞的电流.

主要成果:

通过素,高度或热量的TRPV1激活增加了细胞内和全细胞电流.
超的压力诱导细胞体积收缩.
L-卡尼丁 (1-3 mmol/L) 和西平 (10 μmol/L) 抑制了这些TRPV1-介导的反应,包括细胞收缩.

结论:

L-卡尼丁有效地抑制角膜上皮细胞中高血压诱导的TRPV1激活.
L-卡尼的机制包括阻断细胞体积收缩.
对于治疗干眼综合征而言,L-卡尼丁是一种有前途的治疗候选物.

关键词:

这是一种L-卡尼丁.细胞体积细胞体积的细胞体积.人类角膜上皮质超性的细胞收缩缩细胞内Ca2+信号传递.平面补丁的技术.暂时的受体潜在通道瓦尼洛伊德 1 1

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