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Previous work has established that stably transfected human MCF7 cells over-expressing high mobility group A1 proteins (HMGA1) are deficient in global genomic repair (GGR) following exposure to either UV light or cisplatin. To investigate whether HMGA1 over-expression also interferes with gene-specific repair, we employed a rapid and convenient quantitative polymerase chain reaction assay for measuring...
We have previously demonstrated that HMGA1 proteins translocate from the nucleus to mitochondria and bind to mitochondrial DNA (mtDNA) at the D-loop control region [G.A. Dement, N.R. Treff, N.S. Magnuson, V. Franceschi, R. Reeves, Dynamic mitochondrial localization of nuclear transcription factor HMGA1, Exp. Cell Res. 307 (2005) 388-401.] [11]. To elucidate possible physiological roles for such binding,...
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