The gatekeepers of mitochondrial calcium influx: MICU1 and MICU2.

Abstract:

:The receptor-evoked Ca(2+) signal is sensed and translated by mitochondria. Physiological cytoplasmic Ca(2+) ([Ca(2+)]c) oscillations result in mitochondrial Ca(2+) ([Ca(2+)]m) oscillations, while large and sustained [Ca(2+)]c increase results in a pathologic increase in basal [Ca(2+)]m and in Ca(2+) accumulation. The physiological [Ca(2+)]m signal regulates [Ca(2+)]c and stimulates oxidative metabolism, while excess Ca(2+) accumulation causes cell stress leading to cell death. [Ca(2+)]m is determined by Ca(2+) uptake mediated by the mitochondria Ca(2+) uniporter (MCU) channel and by Na(+)- and H(+)-coupled Ca(2+) extrusion.

journal_name

EMBO Rep

journal_title

EMBO reports

authors

Ahuja M,Muallem S

doi

10.1002/embr.201438446

subject

Has Abstract

pub_date

2014-03-01 00:00:00

pages

205-6

issue

3

eissn

1469-221X

issn

1469-3178

pii

embr.201438446

journal_volume

15

pub_type

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