Obesity is the most common cause of insulin resistance, and the current obesity epidemic is driving a parallel rise in the incidence of T2DM. It is now widely recognized that chronic, subacute tissue inflammation is a major etiologic component of the pathogenesis of insulin resistance and metabolic dysfunction in obesity. Here, we summarize recent advances in our understanding of immunometabolism. We discuss the characteristics of chronic inflammation in the major metabolic tissues and how obesity triggers these events, including a focus on the role of adipose tissue hypoxia and macrophage-derived exosomes. Last, we also review current and potential new therapeutic strategies based on immunomodulation.
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http://dx.doi.org/10.1101/gad.346312.120 | DOI Listing |
Inflammopharmacology
December 2024
Department of Pharmacology, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur, 63100, Punjab, Pakistan.
Juice and decoction of leaves of Suaeda fruticosa, a halophytic medicinal plant of Cholistan desert, is traditionally used to treat rheumatism. The current study was carried out to probe into in vivo anti-nociceptive, anti-inflammatory, and anti-arthritic potential of ethanolic extract of the whole plant of S. fruticosa (Et-SF) and its bioactive molecules.
View Article and Find Full Text PDFCurr Rheumatol Rep
December 2024
Department of Medicine, Division of Rheumatology, Queen's University, Kingston, ON, Canada.
Purpose Of Review: The canonical pathogenesis of spondyloarthritis (SpA) involves inflammation driven by HLA-B27, type 3 immunity, and gut microbial dysregulation. This review based on information presented at the SPARTAN meeting highlights studies on the pathogenesis of SpA from the past year, focusing on emerging mechanisms such as the roles of microbe-derived metabolites, microRNAs (miRNAs) and cytokines in plasma exosomes, specific T cell subsets, and neutrophils.
Recent Findings: The induction of arthritis in a preclinical model through microbiota-driven alterations in tryptophan catabolism provides new insights as to how intestinal dysbiosis may activate disease via the gut-joint axis.
J Agric Food Chem
December 2024
Department of Clinical Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Yuanmingyuan West Road, Beijing 100193, China.
In clinical mastitis of dairy cows, the abnormal accumulation of apoptotic cells (ACs) and subsequent secondary necrosis and inflammation pose significant concerns, with macrophage-mediated efferocytosis, crucial for ACs clearance, remaining unexplored in this context. In nonruminants, MER proto-oncogene tyrosine kinase (MERTK) receptors are essential for efferocytosis and A Disintegrin and Metalloproteinase 17 (ADAM17) is thought to play a role in regulating MERTK integrity. This study aimed to delineate the in situ role of efferocytosis in clinical mastitis, with a particular focus on the interaction between MERTK and ADAM17 in bovine macrophages.
View Article and Find Full Text PDFMalays J Pathol
December 2024
Universiti Kebangsaan Malaysia, Faculty of Medicine, Department of Pathology, 56000 Kuala Lumpur, Malaysia.
Introduction: ICAM-1 is an adhesion molecule expressed on the endothelial cells and is involved in regulating leukocyte recruitment to the site of inflammation. Elevated ICAM-1 mRNA expression was found in the serum of mothers with chorioamnionitis. This study aimed to determine the expression of ICAM-1 in the placenta and umbilical cord of pregnancy with chorioamnionitis, and its association with adverse neonatal outcome.
View Article and Find Full Text PDFPhytother Res
December 2024
Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Benha University, Toukh, Egypt.
(1) Background and aim: Aloe arborescens Mill. (A. arborescens) is one of the most widely distributed species in the genus Aloe and has garnered widespread recognition for its anticancer properties.
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