Peroxisome proliferator-activated receptors (PPARs) are fatty acid-activated transcription factors of nuclear hormone receptor superfamily that regulate energy metabolism. Currently, three PPAR subtypes have been identified: PPARα, PPARγ, and PPARβ/δ. PPARα and PPARδ are highly expressed in oxidative tissues and regulate genes involved in substrate delivery and oxidative phosphorylation (OXPHOS) and regulation of energy homeostasis. In contrast, PPARγ is more important in lipogenesis and lipid synthesis, with highest expression levels in white adipose tissue (WAT). In addition to tissues regulating whole body energy homeostasis, PPARs are expressed in immune cells and have an emerging critical role in immune cell differentiation and fate commitment. In this review, we discuss the actions of PPARs in the function of the innate and the adaptive immune system and their implications in immune-mediated inflammatory conditions.
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http://dx.doi.org/10.1016/j.metabol.2020.154338 | DOI Listing |
Toxics
December 2024
School of Public Health, Baotou Medical College, Inner Mongolia University of Science & Technology, Baotou 014040, China.
Arsenic exposure can induce liver insulin resistance (IR) and diabetes (DM), but the underlying mechanisms are not yet clear. Circular RNAs (circRNAs) are involved in the regulation of the onset of diabetes, especially in the progression of IR. This study aimed to investigate the role of circRNAs in arsenic-induced hepatic IR and its underlying mechanism.
View Article and Find Full Text PDFNutrients
December 2024
Department of Preventive Medicine, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea.
: Peroxisome proliferator-activated receptor γ (PPARγ) plays a key role in mediating anti-inflammatory and anticancer effects in the tumor microenvironment. Kaurenoic acid (KA), a diterpene compound isolated from (L.) Pruski, has been demonstrated to exert anti-inflammatory, anticancer, and antihuman immunodeficiency virus effects.
View Article and Find Full Text PDFNutrients
December 2024
Department of Medicine and Health Sciences "V.Tiberio", University of Molise, 86100 Campobasso, Italy.
Menopause leads to a decline in estrogen levels, resulting in significant metabolic alterations that increase the risk of developing metabolic syndrome-a cluster of conditions including central obesity, insulin resistance, dyslipidemia, and hypertension. Traditional interventions such as hormone replacement therapy carry potential adverse effects, and lifestyle modifications alone may not suffice for all women. This review explores the potential role of palmitoylethanolamide (PEA), an endogenous fatty acid amide, in managing metabolic syndrome during the postmenopausal period.
View Article and Find Full Text PDFMolecules
December 2024
Graduate School of Pharmaceutical Sciences, College of Pharmacy, Ewha Womans University, Seoul 03760, Republic of Korea.
Leveille is a traditional medicine used to treat migraine headache and dysmenorrhea. In this study, three polyacetylenes, methyl (10,9,16)-16-acetoxy-9-hydroxyoctadeca-10,17-dien-12,14-diynoate (), methyl (10,9,16)-9,16-dihydroxyoctadeca-10-en-12,14-diynoate (), and methyl (10,9,16)-9,16-dihydroxyoctadeca-10,17-dien-12,14-diynoate (), were isolated from the aerial parts of . , together with seven known compounds (-).
View Article and Find Full Text PDFCells
December 2024
Translational Research Unit, Medica Sur Clinic & Foundation, Mexico City 14050, Mexico.
The endothelium is a well known regulator of vascular homeostasis. Several factors can influence the balance of the bioavailability of active substances. This imbalance can lead to inflammation and, consequently, endothelial dysfunction, which is an underlying pathology in cardiovascular disease that commonly coexists with metabolic and chronic diseases such as metabolic dysfunction-associated steatotic liver disease (MASLD).
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