Journal
CELL CALCIUM
Volume 93, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceca.2020.102322
Keywords
Mitochondria; Calcium homeostasis; Mitochondrial Calcium Uniporter
Categories
Funding
- Italian Association for Cancer Research (AIRC) [IG18633]
- University of Padova (STARS@UNIPD WiC grant)
- Italian Telethon Association [GGP16029, GGP16026]
- Italian Ministry of Health [RF-2016-02363566, GR-2016-02362779]
- Cariparo Foundation
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The discovery of the Mitochondrial Calcium Uniporter (MCU) gene in 2011 led to an explosion of studies on the composition, regulation, and pathophysiological roles of the MCU complex. Recent research has provided new insights into the molecular structure and composition of the MCU complex, as well as the mechanisms that regulate MCU channel activity.
The role of mitochondria in regulating cellular Ca2+ homeostasis is crucial for the understanding of different cellular functions in physiological and pathological conditions. Nevertheless, the study of this aspect was severely limited by the lack of the molecular identity of the proteins responsible for mitochondrial Ca2+ uptake. In 2011, the discovery of the gene encoding for the Mitochondrial Calcium Uniporter (MCU), the selective channel responsible for mitochondrial Ca2+ uptake, gave rise to an explosion of studies aimed to characterize the composition, the regulation of the channel and its pathophysiological roles. Here, we summarize the recent discoveries on the molecular structure and composition of the MCU complex by providing new insights into the mechanisms that regulate MCU channel activity.
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