Article
Dysregulation of purine nucleotide biosynthesis pathways modulates cisplatin cytotoxicity in Saccharomyces cerevisiae.
Molecular pharmacology - 1 Oct 2008
Kowalski David, Pendyala Lakshmi, Daignan-Fornier Bertrand, Howell Stephen B, Huang Ruea-Yea
Abstract excerpt
We found previously that inactivation of the FCY2 gene, encoding a purine-cytosine permease, or the HPT1 gene, encoding the hypoxanthine guanine phosphoribosyl transferase, enhances cisplatin resistance in yeast cells. Here, we report that in addition to fcy2Delta and hpt1Delta mutants in the salvage pathway of purine nucleotide biosynthesis, mutants in the de novo pathway that disable the feedback inhibition of...
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