期刊
CELL REPORTS
卷 22, 期 12, 页码 3115-3125出版社
CELL PRESS
DOI: 10.1016/j.celrep.2018.02.099
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资金
- NIH [R01-GM124532, CA204894, ES026222]
- NIEHS [T32-ES019851]
- UPenn [FP20457]
- NATIONAL CANCER INSTITUTE [R01CA204894] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE OF ENVIRONMENTAL HEALTH SCIENCES [R01ES026222, T32ES019851] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [R01GM124532] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE ON AGING [R37AG047182, R01AG047182] Funding Source: NIH RePORTER
Genetic instability of the mitochondrial genome (mtDNA) plays an important role in human aging and disease. Thus far, it has proven difficult to develop successful treatment strategies for diseases that are caused by mtDNA instability. To address this issue, we developed a model of mtDNA disease in the nematode C. elegans, an animal model that can rapidly be screened for genes and biological pathways that reduce mitochondrial pathology. These worms recapitulate all the major hallmarks of mtDNA disease in humans, including increased mtDNA instability, loss of respiration, reduced neuromuscular function, and a shortened lifespan. We found that these phenotypes could be rescued by intervening in numerous biological pathways, including IGF-1/insulin signaling, mitophagy, and the mitochondrial unfolded protein response, suggesting that it may be possible to ameliorate mtDNA disease through multiple molecular mechanisms.
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