Insulin resistance is typically defined as a reduced ability of insulin to induce glucose uptake by target tissues such as fat and skeletal muscle cells. It accompanies several disease states, including obesity, type 2 diabetes, hepatitis C, and polycystic ovary syndrome, and is a primary feature of metabolic syndrome. Outside of its effects on blood glucose levels, insulin resistance is also associated with a 2- to 3-fold increased risk of cardiovascular mortality. In 1996, Alain Baron, Helmut Steinberg, and colleagues demonstrated that insulin resistance is associated with endothelial dysfunction. This seminal observation led to significant advances in our understanding of insulin's action in health and disease.
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http://dx.doi.org/10.1172/JCI67166 | DOI Listing |
Front Endocrinol (Lausanne)
January 2025
Department of Endocrinology, Longyan First Affiliated Hospital of Fujian Medical University, Longyan, Fujian, China.
Objective: Recent studies have underscored the metabolic and cardiovascular regulatory capacity of perirenal adipose tissue (PAT), implicating its potential involvement in the pathogenesis of left ventricular hypertrophy (LVH). This investigation aims to assess the relationship between increased PAT mass and LVH, while also examining the potential mediating role of insulin resistance in this relationship among individuals with type 2 diabetes mellitus (T2DM).
Method: 1112 individuals with T2DM were prospectively recruited for this study.
Front Endocrinol (Lausanne)
January 2025
Section on Growth and Development, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institute of Health, Bethesda, MD, United States.
Recombinant human IGF-1 is used to treat severe primary IGF-1 deficiency, but this treatment requires twice-daily injection, often does not fully correct the growth deficit, and has important off-target effects. We therefore sought to target IGF-1 to growth plate cartilage by generating fusion proteins combining IGF-1 with single-chain human antibody fragments that target matrilin-3, a cartilage matrix protein. We previously showed that this cartilage-targeting IGF-1 fusion protein (CV1574-1) promoted growth plate function in a GH-deficient (lit) mouse model.
View Article and Find Full Text PDFFront Endocrinol (Lausanne)
January 2025
Facultad de Farmacia y Bioquímica, Departamento de Microbiología, Inmunología, Biotecnología y Genética, Universidad de Buenos Aires, Buenos Aires, Argentina.
Introduction: Polycystic Ovary Syndrome (PCOS) affects 5-20% of reproductive-aged women. Insulin resistance (IR) is common in PCOS with consequent elevated risks of metabolic disorders and cardiovascular mortality. PCOS and obesity are complex conditions associated with Metabolic Syndrome (MS), contributing to cardiovascular disease and type 2 diabetes mellitus (T2D).
View Article and Find Full Text PDFIran J Basic Med Sci
January 2025
Department of Nutrition, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
Metabolic syndrome is a clustering of metabolic abnormalities and anthropometric factors that increase the risk of cardiovascular disease and type 2 diabetes mellitus. As the search for effective treatments intensifies, attention has turned towards natural substances with potential medicinal benefits. Among them, vanillic acid, a phenolic acid present in many plants, has attracted some attention due to its wide range of biological activities.
View Article and Find Full Text PDFFood Res Int
February 2025
Department of Nutrition and Food Hygiene, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, 1026. Shatai South Road, Guangzhou 510515, Guangdong, PR China; Department of Clinical Nutrition, Nanfang Hospital, Southern Medical University, 1838. Guangzhou Avenue North, Guangzhou 510515, Guangdong, PR China. Electronic address:
Xylooligosaccharides (XOS) ameliorate insulin resistance (IR) in gestational diabetes mellitus (GDM) probably by propagating Akkermansia muciniphila (Akk). This study aimed to investigate the effects and mechanisms of XOS, Akk and combination on IR in GDM mice/pseudo-germ-free (PGF) mice. Female mice were fed with AIN-93 (n = 19) and high fat diet (HFD) (n = 206).
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