Summary
Mitochondrial dysfunction is recognized as a contributing factor to a number of diseases, including chronic alcohol-induced hepatotoxicity. Although there is a detailed understanding of the metabolic pathways and proteins of the liver mitochondrion, little is known of how changes in the mitochondrial proteome contribute to the development of hepatic pathologies. In this short overview the insights gained from study of changes in the mitochondrial proteome in alcoholic liver disease will be described. Profiling the liver mitochondrial proteome has the potential to shed light on the alcohol-mediated molecular defects responsible for mitochondrial and cellular dysfunction. The methods presented herein demonstrate the power of using complementary proteomics approaches, that is, 2-D IEF/SDS-PAGE and BN-PAGE, to identify changes in the abundance of mitochondrial proteins after chronic alcohol consumption. These proteomic data can then be integrated into a logical and mechanistic framework to further our understanding of the role of mitochondrial dysfunction in the pathogenesis of alcohol-induced liver disease.
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Acknowledgments
The authors would like to thank Dr. Paul S. Brookes, University of Rochester, for advice and assistance in establishing the BN-PAGE technique in our laboratories. This work was supported by AA15172 (SMB), AA13395 (VDU), and DK 073116 (AL). The MALDI-TOF mass spectrometer in the UAB mass spectrometry shared facility was purchased with funds provided by NCRR Grant S10 RR-11329. Operation of the mass spectrometry shared facility came, in part, from the UAB Comprehensive Cancer Center Core Support Grant P30 CA-13148.
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© 2008 Humana Press, a part of Springer Science+Business Media, LLC
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Bailey, S.M., Andringa, K.K., Landar, A., Darley-Usmar, V.M. (2008). Proteomic Approaches to Identify and Characterize Alterations to the Mitochondrial Proteome in Alcoholic Liver Disease. In: Nagy, L.E. (eds) Alcohol. Methods in Molecular Biology™, vol 447. Humana Press. https://doi.org/10.1007/978-1-59745-242-7_24
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DOI: https://doi.org/10.1007/978-1-59745-242-7_24
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