期刊
DRUG DISCOVERY TODAY
卷 18, 期 19-20, 页码 950-957出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.drudis.2013.06.009
关键词
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资金
- United Mitochondrial Disease Foundation (UMDF) [12-029]
- Instituto de Salud Carlos IIII [PI12/00322]
Mutations in an increasing number of nuclear genes involved in deoxyribonucleotide homeostasis cause disorders associated with somatic mitochondrial DNA (mtDNA) abnormalities. Dysfunction of the products of these genes leads to limited availability of substrates for mtDNA replication and results in mtDNA depletion, multiple deletions or point mutations; mtDNA depletion is the molecular feature linked to greatest clinical severity. In this review, we discuss recent results demonstrating that enhancement of the salvage pathways by increasing the availability of deoxyribonucleosides needed for each specific genetic defect prevents mtDNA depletion. Hence, we propose administration of selected deoxyribonucleosides and/or inhibitors of their catabolism as a pharmacological strategy to treat these diseases.
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