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Engineering a high-throughput clone for industrial-scale production of long-acting GLP-1 analogue with retained bio-efficacy.
Biotechnol Prog
January 2025
Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India.
Type 2 diabetes mellitus (T2DM) and obesity are critical global health issues with rising incidence rates. Glucagon-like peptide-1 (GLP-1) analogues have emerged as effective treatments due to their ability to regulate blood glucose levels and gastric emptying through central nervous signals involving hypothalamic receptors, such as leptin. To address the short plasma half-life of native GLP-1, a C-16 fatty acid was conjugated to lysine in the GLP-1 analogue sequence to enhance its longevity.
View Article and Find Full Text PDFA water-soluble polysaccharide from finger citron ameliorates diabetes mellitus via gut microbiota-GLP-1 pathway in high-fat diet and streptozotocin-induced diabetic mice.
Int J Biol Macromol
January 2025
Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou 510642, China. Electronic address:
FCP-2-1, a water-soluble polysaccharide isolated and purified from Finger Citron, demonstrated hypoglycemic effect in vitro in our previous study. However, its antidiabetic effect and underlying mechanism in vivo remain to be elucidated. In this study, the antidiabetic effect of FCP-2-1 and its effects on the gut microbiota, short-chain fatty acids (SCFAs), and glucagon-like peptide-1 (GLP-1) in high-fat diet (HFD) and streptozotocin (STZ)-induced diabetic mice were investigated.
View Article and Find Full Text PDFThe GLP-1R agonist semaglutide reshapes pancreatic cancer associated fibroblasts reducing collagen proline hydroxylation and favoring T lymphocyte infiltration.
J Exp Clin Cancer Res
January 2025
Department of Biology and Biotechnologies "Charles Darwin", Sapienza University, 00185, Rome, Italy.
Background: Metabolic syndrome represents a pancreatic ductal adenocarcinoma (PDAC) risk factor. Metabolic alterations favor PDAC onset, which occurs early upon dysmetabolism. Pancreatic neoplastic lesions evolve within a dense desmoplastic stroma, consisting in abundant extracellular matrix settled by cancer associated fibroblasts (CAFs).
View Article and Find Full Text PDFBetagenin ameliorates diabetes by inducing insulin secretion and β-cell proliferation.
J Biol Chem
January 2025
Division of Experimental Animal, Hidaka Branch, Biomedical Research Center, Saitama Medical University, Saitama, Japan; Research Center for Genomic Medicine, Saitama Medical University, Saitama, Japan. Electronic address:
Recent success with the use of glucagon-like peptide-1 (GLP-1) receptor analogs and dipeptidyl peptidase-4 (DPP-4) inhibitors for the treatment of patients with diabetes has highlighted the role of the intestine as an endocrine organ. Gut-derived hormones, including GLP-1, glucose-dependent insulinotropic polypeptide (GIP), and ghrelin, have important roles in the control of energy metabolism and food intake, and are associated with the metabolic syndrome. In this study, we isolated and identified a new intestine-derived hormone, betagenin, and showed that it stimulates insulin secretion and β-cell proliferation and suppresses β-cell apoptosis.
View Article and Find Full Text PDFSingle-cell transcriptomics of human organoid-derived enteroendocrine cell populations from the small intestine.
J Physiol
December 2024
Institute of Metabolic Science and MRC Metabolic Diseases Unit, University of Cambridge, Addenbrooke's Hospital, Cambridge, UK.
Gut hormones control intestinal function, metabolism and appetite, and have been harnessed therapeutically to treat type 2 diabetes and obesity. Our understanding of the enteroendocrine axis arises largely from animal studies, but intestinal organoid models make it possible to identify, genetically modify and purify human enteroendocrine cells (EECs). This study aimed to map human EECs using single-cell RNA sequencing.
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