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Effectiveness of Nicotinamide Phosphoribosyltransferase/Pre-B Cell Colony-enhancing Factor/Visfatin in preventing High Glucose-induced Neurotoxicity in an In-vitro Model of Diabetic Neuropathy.
Basic Clin Neurosci
November 2023
Department of Medical Biotechnology, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran.
Introduction: Diabetic neuropathy is a well-known complication of diabetes. Recently, hyperglycemia-induced toxicity has been confirmed to participates in multiple cellular pathways typical for neural deterioration. Nicotinamide phosphoribosyltransferase/pre-b cell colony-enhancing factor (Nampt/PBEF)/visfatin is a novel endogenous ligand that some studies have shown its neuroprotective effects on neurodegenerative disease.
View Article and Find Full Text PDFChronic Hepatitis B virus (CHB) infection is a global health challenge, causing damage ranging from hepatitis to cirrhosis and hepatocellular carcinoma. In our study, single-cell RNA sequencing (scRNA-seq) analysis was performed in livers from mice models with chronic inflammation induced by CHB infection and we found that endothelial cells (ECs) exhibited the largest number of differentially expressed genes (DEGs) among all ten cell types. NF-κB signaling was activated in ECs to induce cell dysfunction and subsequent hepatic inflammation, which might be mediated by the interaction of macrophage-derived and cholangiocyte-derived VISFATIN/Nampt signaling.
View Article and Find Full Text PDFThe role of visfatin/ NAMPT in the regulation of feeding in goldfish (Carassius auratus).
Peptides
February 2023
Department of Biology, Memorial University of Newfoundland, St. John's, NL A1B3X9, Canada. Electronic address:
The protein NAMPT (nicotinamide phosphoribosyltransferase, encoded by the NAPMT gene) is present in two forms. The intracellular form of NAMPT (iNAMPT) is the rate-limiting enzyme in a major nicotinamide adenine dinucleotide (NAD) biosynthetic pathway and regulates cellular metabolism. NAMPT is also secreted by cells in the extracellular milieu, and referred to as extracellular NAMPT (eNAMPT or visfatin).
View Article and Find Full Text PDFGlucagon-like peptide-1 serum levels are associated with weight gain in patients treated with clozapine.
Psychiatry Res
December 2021
Tampere University Hospital, Department of Psychiatry, Pitkäniemi Hospital, 33380 Pitkäniemi, Finland; Tampere University, Faculty of Medicine and Health Technology, 33014 Tampere, Finland.
Metabolic syndrome and related cardiovascular risk factors are well-known comorbidities among patients with schizophrenia. Biomarkers of these antipsychotic-associated metabolic adverse effects and antipsychotic-induced weight gain are needed. Glucagon-like peptide-1 (GLP-1) is involved in insulin secretion, regulation of satiety, inhibition of food intake, and inhibition of gastric emptying.
View Article and Find Full Text PDFCUL5-Mediated Visfatin (NAMPT) Degradation Blocks Endothelial Proliferation and Angiogenesis via the MAPK/PI3K-AKT Signaling.
J Cardiovasc Pharmacol
December 2021
Department of Critical Care Medicine, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China ; and.
Endothelial dysfunction participates in the pathogenesis of various cardiovascular disorders, and dysregulated angiogenesis involves the vascular endothelial growth factor (VEGF)-matrix metalloproteinases (MMP) system. Nicotinamide phosphoribosyltransferase (NAMPT) is known to enhance endothelial function and angiogenesis. The study found that NAMPT overexpression protected human coronary artery endothelial cells (HCAECs) from H2O2-induced injury through promoting cell viability, inhibiting cell apoptosis, enhancing cell motility, and promoting tube formation.
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