Reference: Baruffini E and Lodi T (2010) Construction and validation of a yeast model system for studying in vivo the susceptibility to nucleoside analogues of DNA polymerase gamma allelic variants. Mitochondrion 10(2):183-7

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Abstract


Mitochondrial dysfunctions have been observed in subjects treated with antiretroviral nucleoside analogues, such as stavudine, as they can interfere with the activity of DNA polymerase gamma. Recently, stavudine-induced mitochondrial toxicity was associated to POLG mutations R964C and E1143G. A yeast model system useful to evaluate the association between D4T toxicity and mutations in MIP1, the yeast ortholog of POLG, was constructed and validated as a tool for pharmacogenetics research. We showed that mutant Mip1p(R964C) and possibly Mip1p(E1143G) are more sensitive to stavudine, and that stavudine has the potential to cause mitochondrial toxicity in heterozygous subjects harboring recessive mutations.

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Journal Article | Research Support, Non-U.S. Gov't | Validation Study
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Baruffini E, Lodi T
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