Nearly 90 clinicians and researchers from around the world attended the first IMPROVE 2022 International Meeting on Pathway-Related Obesity. Delegates attended in person or online from across Europe, Argentina and Israel to hear the latest scientific and clinical developments in hyperphagia and severe, early-onset obesity, and set out a vision of excellence for the future for improving the diagnosis, treatment, and care of patients with melanocortin-4 receptor (MC4R) pathway-related obesity. The meeting co-chair Peter Kühnen, Charité Universitätsmedizin Berlin, Germany, indicated that change was needed with the rapidly increasing prevalence of obesity and the associated complications to improve the understanding of the underlying mechanisms and acknowledge that monogenic forms of obesity can play an important role, providing insights that can be applied to a wider group of patients with obesity. World-leading experts presented the latest research and led discussions on the underlying science of obesity, diagnosis (including clinical and genetic approaches such as the role of defective MC4R signalling), and emerging clinical data and research with targeted pharmacological approaches. The aim of the meeting was to agree on the questions that needed to be addressed in future research and to ensure that optimised diagnostic work-up was used with new genetic testing tools becoming available. This should aid the planning of new evidence-based treatment strategies for the future, as explained by co-chair Martin Wabitsch, Ulm University Medical Center, Germany.
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http://dx.doi.org/10.1111/cob.12659 | DOI Listing |
ACS Chem Neurosci
November 2024
College of Life Sciences, State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials, Ministry of Education, Nankai University, Tianjin 300071, China.
High-fat diet (HFD) induced obesity is associated with depression-related behavioral and neurogenic changes and may lead to cognitive impairment. Fluoxetine (FXT), the most commonly used antidepressant, may alleviate depressive symptoms by increasing neurogenesis, but the potential efficacy of FXT for HFD-induced cognitive deficits is unclear. In this study, we established an obese HFD mouse model by feeding three-week-old male C57BL/6N mice with a chronic HFD for 18 weeks, then assessed adipose tissue morphology by magnetic resonance imaging and histopathology, assessed cognitive function by Morris water maze and novel object recognition tests, and detected DCX and BrdU expression in the hippocampal dentate gyrus (DG) region by immunofluorescence bioassay.
View Article and Find Full Text PDFMol Med Rep
December 2024
Department of Physiology and Pathophysiology, College of Basic Medicine, Dali University, Dali, Yunnan 671000, P.R. China.
The aim of the present study was to investigate the role and mechanism of endoplasmic reticulum stress (ERS) in kidney injury caused by high‑fat diet (HFD). An obese mouse model was established via HFD feeding and intervention was performed by intraperitoneal injection of the ERS inhibitor salubrinal (Sal). Changes in the body and kidney weight and serum biochemical indices of the mice were determined.
View Article and Find Full Text PDFMetabolites
September 2024
Proteomics Resource Unit, Obesity Research Center, College of Medicine, King Saud University, Riyadh 11461, Saudi Arabia.
Background: Liraglutide, a long-acting glucagon-like peptide-1 receptor agonist (GLP1RA), is a well-established anti-diabetic drug, has also been approved for the treatment of obesity at a dose of 3 mg. There are a limited number of studies in the literature that have looked at changes in metabolite levels before and after liraglutide treatment in patients with obesity. To this end, in the present study we aimed to explore the changes in the plasma metabolomic profile, using liquid chromatography-high resolution mass spectrometry (LC-HRMS) in patients with obesity.
View Article and Find Full Text PDFJ Endocr Soc
July 2024
Division of Pediatric Endocrinology and Metabolism, Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN, 55905, USA.
Context: Variants in melanocortin 4 receptor () pathway-related genes have been associated with obesity. The association of these variants with cardiometabolic parameters are not fully known.
Objective: We compared the severity of obesity and cardiometabolic risk markers in children with pathway-related clinically reported genetic variants relative to children without these variants.
Diabetol Metab Syndr
July 2024
Medical biochemistry and molecular biology department, Faculty of medicine, Ain Shams University, Cairo, 11566, Egypt.
Background: Nonalcoholic fatty pancreatitis (NAFP) presents a pressing challenge within the domain of metabolic disorders, necessitating further exploration to unveil its molecular intricacies and discover effective treatments. Our focus was to delve into the potential therapeutic impact of ZBiotic, a specially engineered strain of probiotic B. subtilis, in managing NAFP by targeting specific genes linked with necroptosis and the TNF signaling pathway, including TNF, ZBP1, HSPA1B, and MAPK3, along with their upstream epigenetic regulator, miR-5192, identified through bioinformatics.
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