Abstract:
:The effect of citrinin on Ca2+ transport was studied in isolated kidney cortex and liver mitochondria, and baby hamster kidney cultured cells. The mycotoxin significantly inhibited the activity of 2-oxoglutarate and pyruvate dehydrogenases in both kidney cortex and liver mitochondria. Citrinin promoted a decrease in the velocity and in the total capacity of Ca2+ uptake, in both mitochondria. Apparently, citrinin acts by a mechanism similar to ruthenium red. In intact cultured cells, citrinin also had a preferential effect on mitochondrial Ca2+ fluxes. Citrinin promoted a marked decrease in the Ca2+ level in the mitochondrial matrix, whereas that of the extramitochondiral fraction became less affected. All the observed effects were dependent on the citrinin concentration.
journal_name
Cell Biochem Functjournal_title
Cell biochemistry and functionauthors
Chagas GM,Oliveira MA,Campello AP,Kluppel MLdoi
10.1002/cbf.290130110subject
Has Abstractpub_date
1995-03-01 00:00:00pages
53-9issue
1eissn
0263-6484issn
1099-0844journal_volume
13pub_type
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