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Calcium flux

Organelle Calcium Dyes

Rhod-2-AM when loaded into cells locates mainly to the mitochondria. Thapsigargin (Tg), an inhibitor of ER ATPase whose action releases internal calcium stores from the ER which then traffick's directly to the mitochondria. Thus Rhod-2 can be used to indirectly measure the amount of calcium in the ER. The release of all internal calcium stores within the cell by ionomycin a calcium ionophore, can be used to determine the amount of calcium fluxing to the mitochondria when cells are loaded with Rhod-2.

 

 

 
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Calcium flux

ER Calcium Flux

Mitochondria & ER Calcium Flux

by Gary Warnes. © Queen Mary, University of London 2007
Institute of Cell and Molecular Science, Barts and The London, Queen Mary's School of Medicine and Dentistry, Queen Mary, University of London, 4 Newark Street, London E1 2AA, Tel: +44 (0)20 7377 7000, Fax: +44 (0)20 7247 3428