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MICU1 deficiency alters mitochondrial morphology and cytochrome C release. | LitMetric

MICU1 deficiency alters mitochondrial morphology and cytochrome C release.

Cell Calcium

Gottfried Schatz Research Center: Molecular Biology and Biochemistry, Medical University of Graz, Neue Stiftingtalstraße 6/4, Graz, 8010 Austria; BioTechMed, Graz, Austria. Electronic address:

Published: July 2023

AI Article Synopsis

Article Abstract

The mitochondrial inner boundary membrane harbors a protein called MICU1, which is sensitive to Ca and binds to the MICOS components Mic60 and CHCHD2. Changes in the mitochondrial cristae junction structure and organization in MICU1 cells lead to increased cytochrome c release, membrane potential rearrangement, and changes in mitochondrial Ca uptake dynamics. These findings shed new light on the multifaceted role of MICU1, highlighting its involvement not only as an interaction partner and regulator of the MCU complex but also as a crucial determinant of mitochondrial ultrastructure and, thus, an essential player in processes initiating apoptosis.

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Source
http://dx.doi.org/10.1016/j.ceca.2023.102765DOI Listing

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