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Hepatic lipid accumulation, or Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD), is a significant risk factor for liver cancer. Despite the rising incidence of MASLD, the underlying mechanisms of steatosis and lipotoxicity remain poorly understood. Interestingly, lipid accumulation also occurs during fasting, driven by the mobilization of adipose tissue-derived fatty acids into the liver.
View Article and Find Full Text PDF4-hydroxybenzoic acid induces browning of white adipose tissue through the AMPK-DRP1 pathway in HFD-induced obese mice.
Phytomedicine
December 2024
Department of Science in Korean Medicine, Graduate School, Kyung Hee University, 02447, Seoul, South Korea; Department of Pharmacology, College of Korean Medicine, Kyung Hee University, 02447, Seoul, South Korea; Kyung Hee Institute of Convergence Korean Medicine, Kyung Hee University, 02447, Seoul, South Korea. Electronic address:
Background: Beige adipocytes have physiological functions similar to brown adipocytes, which are available to increase energy expenditure through uncoupling protein 1 (UCP1) within mitochondria. Recently, many studies showed white adipocytes can undergo remodeling into beige adipocytes, called "browning", by increasing fusion and fission events referred to as mitochondrial dynamics.
Purpose: In this study, we aimed to investigate the browning effects of 4-hydroxybenzoic acid (4-HA), one of the major compounds of black raspberries.
Compound K promotes thermogenic signature and mitochondrial biogenesis via the UCP1-SIRT3-PGC1α signaling pathway.
Biomed Pharmacother
January 2025
Department of Physiology, Institute for Medical Sciences, Jeonbuk National University Medical School, Jeonju, Jeollabuk-do 54907, South Korea. Electronic address:
Compound K (CK), an active ingredient in ginseng, has anti-cancer, anti-inflammatory, and antioxidant properties. However, its effects on thermogenesis and mitochondrial dynamics in white adipose tissue (WAT) adipocytes are not well understood. This study explores CK's impact on thermogenesis and mitochondrial metabolism in cold-exposed mice and mouse stromal vascular fraction (SVF) cells.
View Article and Find Full Text PDFThe role of mitochondrial remodeling in neurodegenerative diseases.
Neurochem Int
January 2025
Department of Environmental and Occupational Health, School of Public Health, Guangdong Medical University, Dongguan, 523808, PR China; Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, 523808, PR China. Electronic address:
Neurodegenerative diseases are a group of diseases that pose a serious threat to human health, such as Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD) and Amyotrophic Lateral Sclerosis (ALS). In recent years, it has been found that mitochondrial remodeling plays an important role in the onset and progression of neurodegenerative diseases. Mitochondrial remodeling refers to the dynamic regulatory process of mitochondrial morphology, number and function, which can affect neuronal cell function and survival by regulating mechanisms such as mitochondrial fusion, division, clearance and biosynthesis.
View Article and Find Full Text PDFQuantifying DNA Lesions and Circulating Free DNA: Diagnostic Marker for Electropathology and Clinical Stage of AF.
JACC Clin Electrophysiol
December 2024
Physiology, Amsterdam Cardiovascular Sciences, Heart Failure, and Arrhythmias, Amsterdam University Medical Center, location Vrije Universiteit Amsterdam, Amsterdam, the Netherlands. Electronic address:
Background: Atrial fibrillation (AF) persistence is associated with molecular remodeling that fuels electrical conduction abnormalities in atrial tissue. Previous research revealed DNA damage as a molecular driver of AF.
Objectives: This study sought to explore the diagnostic value of DNA damage in atrial tissue and blood samples as an indicator of the prevalence of electrical conduction abnormalities and stage of AF.
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