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Excess lipid droplet (LD) accumulation is associated with several pathological states, including Alzheimer's disease (AD). However, the mechanism(s) by which changes in LD composition and dynamics contribute to pathophysiology of these disorders remains unclear. Apolipoprotein E (ApoE) is a droplet associated protein with a common risk variant (E4) that confers the largest increase in genetic risk for late-onset AD.
View Article and Find Full Text PDFGenetic profiling of Wilson disease reveals a potential recurrent pathogenic variant of ATP7B in the Jordanian population.
J Pediatr Gastroenterol Nutr
January 2025
Department of Pathology and Microbiology and Forensic Medicine, School of Medicine, The University of Jordan, Amman, Jordan.
Objectives: Wilson disease (WD) is an autosomal-recessive disorder that disrupts copper homeostasis. ATPase copper transporting beta (ATP7B) gene is implicated as the disease-causing gene in WD. The common symptoms associated with WD include hepatic, neurological, psychiatric, and ophthalmic manifestations.
View Article and Find Full Text PDFHepatic and intestinal insights into the molecular mechanisms of dietary Antarctic krill-induced body color differentiation in Plectropomus leopardus.
Genomics
January 2025
MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences/Key Laboratory of Tropical Aquatic Germplasm of Hainan Province, Sanya Oceanographic Institution, Ocean University of China, Qingdao/Sanya, China; Southern Marine Science and Engineer Guangdong Laboratory, Guangzhou 511458, China. Electronic address:
Antarctic krill (Euphausia superba), which is rich in astaxanthin, has been widely utilized as a dietary supplement in fish aquaculture. Our study was to feed juvenile leopard coral grouper (Plectropomus leopardus) a diet containing 50 % Antarctic krill, revealing significant body color differentiation between a reddened group (BKR) and a non-reddened group (BKB), followed by comparative analysis with the control group (BCon) without krill supplementation. Histological analysis and carotenoid content in the liver and intestine were differentially regulated in color-differentiated individuals.
View Article and Find Full Text PDFBurn-induced mitochondrial dysfunction in hepatocytes: The role of methylation-controlled J protein silencing.
J Trauma Acute Care Surg
January 2025
From the Division of Gastrointestinal, Trauma, and Endocrine Surgery, Department of Surgery (A.P., K.M.M., A.C.Q., E.J.K., J.-P.I.), Division of Burn Research (E.J.K.), and Division of Alcohol Research (E.J.K.), Department of Immunology and Microbiology, University of Colorado, Aurora, Colorado.
Background: Burn injuries trigger a systemic hyperinflammatory response, leading to multiple organ dysfunction, including significant hepatic damage. The liver plays a crucial role in regulating immune responses and metabolism after burn injuries, making it critical to develop strategies to mitigate hepatic impairment. This study investigates the role of methylation-controlled J protein (MCJ), an inner mitochondrial protein that represses complex I in burn-induced oxidative stress and mitochondrial dysfunction, using an in vitro Alpha Mouse Liver 12 cell model.
View Article and Find Full Text PDFComparison of gene expression and polycyclic aromatic compound profiles in hepatic tissue of black guillemot (Cepphus grylle) collected from an oil spill site and a non-spill site in the Arctic.
Mar Pollut Bull
January 2025
Science and Technology Branch, Environment and Climate Change Canada, Ottawa, Ontario K1A 0H3, Canada. Electronic address:
Economic development, marine transportation, and oil exploration are all activities that are increasing in the Arctic region, and there is concern regarding increased oil-related contaminants entering this sensitive environment. Polycyclic aromatic compounds (PACs) are the main chemical constituents in oil-related contaminants and have been detected in wildlife species following both acute and chronic exposure. In 2020, an oil spill occurred in Kaikopok Bay near Postville, NL, Canada.
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