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Biochem Biophys Res Commun. 1985 Nov 15;132(3):1071-8.

Mitochondrial calcium and cellular electrolytes in brain cortex frozen in situ: electron probe analysis.

Abstract

Mitochondrial calcium in rat brain cortex frozen in situ and measured with electron probe X-ray microanalysis was 1.5 mmol Ca/kg dry weight. Cellular, extramitochondrial Ca was 6.4mmol/kg dry weight and cytoplasmic Na+ was 73mM. These results do not support the role of mitochondria regulating cytoplasmic Ca2+, but are compatible with the regulation of mitochondrial enzymes by matrix free Ca2+.

PMID:
4074348
DOI:
10.1016/0006-291x(85)91916-3
[Indexed for MEDLINE]

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