Journal
NEUROMOLECULAR MEDICINE
Volume 10, Issue 4, Pages 291-315Publisher
HUMANA PRESS INC
DOI: 10.1007/s12017-008-8044-z
Keywords
Amyloid beta; Alzheimer's disease; Amyotrophic lateral sclerosis; Amyloid precursor protein; Adenosine triphosphate; Caloric restricted; Electron transport chain; FRDA; Freidriech ataxia; Hydrogen peroxide; Huntington's disease; Mitochondrial DNA; Peroxisome proliferator activated receptor-coactivator; Superoxide radical; Oxidative phosphorylation; Parkinson's disease; Reactive oxygen species; SS peptide
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Funding
- American Federation for Aging Research
- National Institutes of Health [AG028072, AG026051]
- KaloBios Pharmaceuticals, Inc
- NATIONAL INSTITUTE ON AGING [R03AG026051, R01AG028072] Funding Source: NIH RePORTER
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Mitochondria are key cytoplasmic organelles, responsible I-or generating cellular energy, regulating intracellular calcium levels. altering the reduction-oxidation potential of cells. and regulating cell death. Increasing evidence suggests that mitochondria play a central role in aging and in neurodegenerative diseases, such as Alzheimer's disease. Parkinson's disease, Huntington's disease, amyotrophic lateral sclerosis, and Freidriech ataxia. Further, several lines of evidence Suggest that mitochondrial dysfunction is an early event in most late-onset neurodegenerative diseases. Biochemical and animal model studies of inherited neurodegenerative diseases have revealed that mutant proteins of these diseases are associated with mitochondria. Mutant proteins are reported to block the transport of nuclear-encoded mitochondrial proteins to mitochondria, interact with mitochondrial proteins and disrupt the electron transport chain, induce free radicals, Cause mitochondrial dysfunction. and, ultimately, damage neurons. This article discusses critical issues of mitochondria causing dysfunction in aging and neurodegenerative diseases, and discusses the potential of developing mitochondrial medicine, particularly mitochondrially targeted antioxidants. to treat aging and neurodegenerative diseases.
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