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FEBS Lett. 1999 Feb 12;444(2-3):186-8.

Enhanced mitochondrial biogenesis is associated with increased expression of the mitochondrial ATP-dependent Lon protease.

Author information

1
Cancer Research Institute, Slovak Academy of Sciences, Bratislava, Slovak Republic. exonluc@savba.sk

Abstract

Rats bearing the Zajdela hepatoma tumor and T3-treated hypothyroid rats were used to study the role of protein degradation in the process of mitochondrial biogenesis. It was shown that the activity, protein and mRNA levels of the ATP-dependent Lon protease increased in rapidly growing Zajdela hepatoma cells. The increase in the rate of mitochondrial biogenesis by thyroid hormone was similarly accompanied by enhanced expression of the Lon protease. The results imply that mitochondrial biogenesis in mammalian cells is, at least partially, regulated by the matrix Lon protease.

PMID:
10050756
DOI:
10.1016/s0014-5793(99)00058-7
[Indexed for MEDLINE]
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