alexa The use of lymphocytes to screen for oxidative phosphorylation disorders.
Genetics & Molecular Biology

Genetics & Molecular Biology

Journal of Molecular Biomarkers & Diagnosis

Author(s): Marriage BJ, Clandinin MT, MacDonald IM, Glerum DM

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Abstract Biochemical analysis of oxidative phosphorylation (OXPHOS) disorders is traditionally carried out on muscle biopsies, cultured fibroblasts, and transformed lymphocytes. Here we present a new screening technique using lymphocytes to identify OXPHOS dysfunction and initially avoid an invasive diagnostic procedure. Lymphocytes represent an easily obtainable source of tissue that presents advantages over the use of fibroblasts or lymphoblast cell lines. The time delay in culturing skin fibroblasts and the interactions between cell transformation and mitochondrial activity are avoided in this methodology. The method requires a small amount of blood (<5 mL); can be completed in a few hours, and allows for repeated measurements. Our assay has been adapted from published methods utilizing cultured fibroblasts and transformed lymphocytes, and our data suggest that measurement of ATP synthesis in lymphocytes is an effective screening tool for diagnosing OXPHOS disorders. This method may also provide an objective tool for monitoring response to treatment and evaluating progression of disease. Copyright 2003 Elsevier Science (USA)
This article was published in Anal Biochem and referenced in Journal of Molecular Biomarkers & Diagnosis

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