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Mitochondrion. 2011 Jan;11(1):108-18. doi: 10.1016/j.mito.2010.08.004. Epub 2010 Aug 18.

Recombinant human mitochondrial transcription factor A stimulates mitochondrial biogenesis and ATP synthesis, improves motor function after MPTP, reduces oxidative stress and increases survival after endotoxin.

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  • 1Morris Udall Parkinson's Disease Research Center of Excellence, University of Virginia, Charlottesville, VA, United States.


Recombinant human mitochondrial transcription factor A protein (rhTFAM) was evaluated for its acute effects on cultured cells and chronic effects in mice. Fibroblasts incubated with rhTFAM acutely increased respiration in a chloramphenicol-sensitive manner. SH-SY5Y cells showed rhTFAM concentration-dependent reduction of methylpyridinium (MPP(+))-induced oxidative stress and increases in lowered ATP levels and viability. Mice treated with weekly i.v. rhTFAM showed increased mitochondrial gene copy number, complex I protein levels and ATP production rates; oxidative damage to proteins was decreased ~50%. rhTFAM treatment improved motor recovery rate after treatment with MPTP and dose-dependently improved survival in the lipopolysaccharide model of endotoxin sepsis.

Copyright © 2010 Elsevier B.V. and Mitochondria Research Society. All rights reserved.

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