Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 17, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/ijms17122093
Keywords
beta hydroxybutyrate; 3-hydroxy-3-methylglytaryl-CoA synthetase 2 (HMGCS2); fenofibrate; melanoma; glioma; fasting
Funding
- NIH [P20-GM103501]
- Stanley S. Scott Cancer Center, LSUHSC, New Orleans
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Ketogenesis and ketolysis are central metabolic processes activated during the response to fasting. Ketogenesis is regulated in multiple stages, and a nuclear receptor peroxisome proliferator activated receptor alpha (PPAR alpha) is one of the key transcription factors taking part in this regulation. PPAR alpha is an important element in the metabolic network, where it participates in signaling driven by the main nutrient sensors, such as AMP-activated protein kinase (AMPK), PPAR gamma coactivator 1 alpha (PGC-1 alpha), and mammalian (mechanistic) target of rapamycin (mTOR) and induces hormonal mediators, such as fibroblast growth factor 21 (FGF21). This work describes the regulation of ketogenesis and ketolysis in normal and malignant cells and briefly summarizes the positive effects of ketone bodies in various neuropathologic conditions.
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