ArticleMolecular and cellular endocrinology2010
Peroxisome proliferator activated receptor alpha (PPARalpha) and PPAR gamma coactivator (PGC-1alpha) induce carnitine palmitoyltransferase IA (CPT-1A) via independent gene elements.
Article in Molecular and cellular endocrinology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 105 papers, 1 of them a synthesis that pooled it.
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Who cites it
105 citing papers in PubMed, 1 synthesis or guideline pooled it, 204 citations in OpenAlex.
- The role of lipid metabolic reprogramming in tumor microenvironment.Theranostics · 2023Pooled it
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- PLX3397 Reshapes Hepatic Lipid Metabolism Independent of Microglial Depletion.Neuroscience bulletin · 2026Article
- Exogenous adiponectin attenuates lipid accumulation and is associated with enhanced TG and VLDL secretion in primary chicken hepatocytes.Poultry science · 2026Article
- Cannabigerol and Cannabichromene Induce Lung Cancer Cell Death and Apoptosis-Contribution of PPARα to Cannabigerol Effects.Antioxidants (Basel, Switzerland) · 2026Article
- Effects of PPARα, PPARγ, and dual PPARα/γ agonists on liver tissue and biochemical markers in NAFLD-induced Wistar rats.Research in pharmaceutical sciences · 2026Article
- Integrative analysis of placental metabolic reprogramming and microbiome alterations in gestational diabetes mellitus (GDM).Acta diabetologica · 2026Review
- Effects of duration of a plant-based diet stimulus at first feeding on nutritional programming in Atlantic salmon (Salmo salar).Fish physiology and biochemistry · 2026Article
- Altered Carnitine Homeostasis Modulates Hyperosmolarity-Induced Mitochondrial Dysfunction and Lipotoxicity in Human Corneal Epithelial Cells.Investigative ophthalmology & visual science · 2026Article
- Oleic Acid-Esterified Octacosanol as a Functional Ingredient to Counter Obesity-Associated Lipid Dysregulation through PPAR-Targeted Regulation.Journal of agricultural and food chemistry · 2026Article
- Mechanisms of energy metabolism reprogramming and homeostasis maintenance in overwintering hibernating animals.Frontiers in veterinary science · 2026Review
- L-carnitine in metabolic dysfunction-associated steatotic liver disease: mechanisms and therapeutic potential.Frontiers in nutrition · 2026Review
- NAD + in fatty liver disease: mechanistic insights and associated targets.Cell biology and toxicology · 2025Review
- Breaking the metabolic-inflammatory vicious cycle in polycystic ovary syndrome: a comparative review of ketogenic and high-fat diets.Lipids in health and disease · 2025Review
- Gut microbiota from Mori fructus (Morus alba L.) polyphenols and polysaccharides-dosed mice activates the PPARα/PGC-1α signaling pathway to mitigate HFD-induced metabolic syndrome in mice.Scientific reports · 2025Article
- Inhibiting FAT1 Blocks Metabolic Bypass to Enhance Antitumor Efficacy of TCA Cycle Inhibition through Suppressing CPT1A-Dependent Fatty Acid Oxidation.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- High-Fat Diet-Induced Diabetic Cardiomyopathy in Female Zebrafish: Cardiac Pathology and Functional Decline Mediated by Type 2 Diabetes.Nutrients · 2025Article
- Unraveling the metabolic gene expression and energetic patterns of the seasonally acclimatized gilthead seabream.Fish physiology and biochemistry · 2025Article
45 more citing papers are in PubMed but not listed here.
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
Abstract
Long chain fatty acids and pharmacologic ligands for the peroxisome proliferator activated receptor alpha (PPARalpha) activate expression of genes involved in fatty acid and glucose oxidation including carnitine palmitoyltransferase-1A (CPT-1A) and pyruvate dehydrogenase kinase 4 (PDK4). CPT-1A catalyzes the transfer of long chain fatty acids from acyl-CoA to carnitine for translocation across the mitochondrial membranes and is an initiating step in the mitochondrial oxidation of long chain fatty acids. PDK4 phosphorylates and inhibits the pyruvate dehydrogenase complex (PDC) which catalyzes the conversion of pyruvate to acetyl-CoA in the glucose oxidation pathway. The activity of CPT-1A is modulated both by transcriptional changes as well as by malonyl-CoA inhibition. In the liver, CPT-1A and PDK4 gene expression are induced by starvation, high fat diets and PPARalpha ligands. Here, we characterized a binding site for PPARalpha in the second intron of the rat CPT-1A gene. Our studies indicated that WY14643 and long chain fatty acids induce CPT-1A gene expression through this element. In addition, we found that mutation of the PPARalpha binding site reduced the expression of CPT-1A-luciferase vectors in the liver of fasted rats. We had demonstrated previously that CPT-1A was stimulated by the peroxisome proliferator activated receptor gamma coactivator (PGC-1) via sequences in the first intron of the rat CPT-1A gene. Surprisingly, PGC-1alpha did not enhance CPT-1A transcription through the PPARalpha binding site in the second intron. Following knockdown of PGC-1alpha with short hairpin RNA, the CPT-1A and PDK4 genes remained responsive to WY14643. Overall, our studies indicated that PPARalpha and PGC-1alpha stimulate transcription of the CPT-1A gene through different regions of the CPT-1A gene.
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