Importance of Cx43 for Right Ventricular Function.

Importance of Cx43 for Right Ventricular Function.
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CX43对于右心功能的重要性。

DOI:
10.3390/ijms22030987
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发表时间:
2021-01-20
影响因子:
5.6
通讯作者:
Schulz R
Schulz R
中科院分区:
生物学2区
文献类型:
--
作者:
Boengler K;Rohrbach S;Weissmann N;Schulz R

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在心脏中,连接蛋白形成间隙连接、半通道,并且也存在于线粒体内,其中连接蛋白43(Cx43)是心室中最突出的连接蛋白。尽管Cx43在健康和患病左心室中的作用已得到充分证实,但关于Cx43在右心室(RV)功能障碍发展中的重要性知之甚少。本文重点介绍Cx43对心脏发育的重要性。此外,我们还讨论了Cx43在病变RV中的表达和定位,即,在法洛四联症和肺动脉高压中,其中RV受到影响,并且RV肥大和衰竭发生。我们还将介绍其他Cx分子,在RV和周围组织中表达,并已被报道参与RV病理生理学。最后,我们强调了旨在改善与Cx43表达和功能改变相关的肺动脉高压RV功能的治疗策略。
In the heart, connexins form gap junctions, hemichannels, and are also present within mitochondria, with connexin 43 (Cx43) being the most prominent connexin in the ventricles. Whereas the role of Cx43 is well established for the healthy and diseased left ventricle, less is known about the importance of Cx43 for the development of right ventricular (RV) dysfunction. The present article focusses on the importance of Cx43 for the developing heart. Furthermore, we discuss the expression and localization of Cx43 in the diseased RV, i.e., in the tetralogy of Fallot and in pulmonary hypertension, in which the RV is affected, and RV hypertrophy and failure occur. We will also introduce other Cx molecules that are expressed in RV and surrounding tissues and have been reported to be involved in RV pathophysiology. Finally, we highlight therapeutic strategies aiming to improve RV function in pulmonary hypertension that are associated with alterations of Cx43 expression and function.
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