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Due to longer lifespans in societies in industrialized countries, cardiovascular diseases are becoming increasingly important for medical research. It has already been shown that the cell membrane-bound, non-selective TRPC6 ion channel is important in the pathogenesis of heart diseases. Among other things, it is permeable to calcium ion, which plays a critical role in cardiac contraction and relaxation. The TRPC6 ion channel is a promising therapeutic target in the treatment of cardiovascular diseases. A deeper understanding of the physiological and pathophysiological role as well as the localization of TRPC6 in human cardiac tissue is the basis for new drug development. Although the TRPC6 channel has been detected in animal studies, at the mRNA level in humans, and sparse TRPC6 protein has been detected in humans, there are no systematic studies of TRPC6 protein detection in the human heart. For the first time, TRPC6 ion channel protein was detected histologically in human heart tissue from body donors in different structures, localizations, and histological layers - particularly in cardiomyocytes and intramuscular arterioles - by immunohistochemistry, just as TRPC6 expression has already been shown in animal models of the heart by other research groups. In the sense of the translational concept, this indicates a possible transferability of research results from animal models to humans. Copyright © 2022 Elsevier B.V. All rights reserved.

Citation

Tobias Jacobs, Jan Abdinghoff, Thomas Tschernig. Protein detection and localization of the non-selective cation channel TRPC6 in the human heart. European journal of pharmacology. 2022 Jun 05;924:174972

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PMID: 35483666

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