Superior fluorescent probe for detection of cardiolipin.

Superior fluorescent probe for detection of cardiolipin.
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DOI:
10.1021/ac403616c
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发表时间:
2014-01-21
影响因子:
7.4
通讯作者:
Tang, Ben Zhong
Tang, Ben Zhong
中科院分区:
化学1区
文献类型:
--
作者:
Leung, Chris W. T.;Hong, Yuning;Hanske, Jonas;Zhao, Engui;Chen, Sijie;Pletneva, Ekaterina V.;Tang, Ben Zhong

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心磷脂(CL)是线粒体内膜上发现的一种独特的磷脂。它是线粒体呼吸和细胞凋亡功能的关键组成部分。CL水平是研究这些细胞内事件的重要参数,也是许多与线粒体呼吸功能相关的疾病的关键指标。10-壬基吖啶橙(NAO)是目前唯一可用于化学发光检测的荧光染料。然而,在选择性和灵敏度方面,NAO的性能远远不能令人满意。在这项工作中,我们报道了一种聚集诱导发射活性荧光素,TTAPE-Me,用于化学发光的检测和定量。与其他主要线粒体膜脂相比,TTAPE-Me对CL具有更高的灵敏度和良好的选择性,可以作为CL定量的一种有价值的荧光传感器。还展示了使用TTAPE-Me对分离的线粒体进行定量的方法。
Cardiolipin (CL) is a unique phospholipid found in mitochondrial inner membrane. It is a key component for mitochondrial function in both respiration and apoptosis. The level of CL is an important parameter for investigating these intracellular events and is a critical indicator of a number of diseases associated with mitochondrial respiratory functions. 10-Nonyl acridine orange (NAO) is the only fluorescent dye currently available for CL detection. However, the performance of NAO is far from satisfactory in terms of selectivity and sensitivity. In this work, we report an aggregation-induced emission-active fluorogen, TTAPE-Me, for CL detection and quantification. With improved sensitivity and excellent selectivity to CL over other major mitochondrial membrane lipids, TTAPE-Me could serve as a valuable fluorescent sensor for CL quantification. The use of TTAPE-Me for the quantification of isolated mitochondria is also demonstrated.
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