This review covers the literature in the past 15 years on glycosidase inhibitors lacking a basic nitrogen (for example iminosugars/azasugars) with a focus on natural terpenoids, and mono- and polycyclic aromatic hydrocarbons. From quite diverse structures, insight into inhibitor structural features that may be applicable to optimisation of all glycosidase inhibitors including iminosugars are identified.
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http://dx.doi.org/10.1016/j.ejmech.2022.114282 | DOI Listing |
Sci Rep
January 2025
Natural and Medical Sciences Research Center, University of Nizwa, Birkat Al Mauz, P. O. Box 33, Nizwa, Oman.
Diabetes mellitus, particularly type 2 diabetes, is a growing global health challenge characterized by chronic hyperglycemia due to insulin resistance. One therapeutic approach to managing this condition is the inhibition of α-glucosidase, an enzyme involved in carbohydrate digestion, to reduce postprandial blood glucose levels. In this study, a series of thiosemicarbazide-linked quinoline-piperazine derivatives were synthesized and evaluated for their α-glucosidase inhibitory activity, to identify new agents for type 2 diabetes management.
View Article and Find Full Text PDFAnal Chim Acta
February 2025
Chemical and Petroleum Engineering Department, Sharif University of Technology, Tehran, Iran.
Background: Bee venom consists of more than 50 % melittin (MLT), which has anti-cancer, anti-inflammatory, and antimicrobial properties. Bee venom also contains toxic components such as phospholipase A2 (PLA2) and hyaluronidase (HYA), which cause allergic reactions, so the toxic components must be removed to use MLT. In previous studies, analytical methods were used to separate MLT.
View Article and Find Full Text PDFJ Immunother Cancer
January 2025
Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, Shanghai, China
Background: Anti-programmed cell death protein 1 (anti-PD-1) antibodies have achieved revolutionary success in cancer therapy. However, the impact of anti-PD-1 therapy on host humoral immunity in humans during cancer immunotherapy requires further investigation.
Methods: We evaluated immunoglobulin titers by ELISA and screened the immune landscape of immune cells from 25 healthy donors and 50 cases including 25 new-onset hepatocellular carcinoma (HCC) patients prior to systemic treatment and 25 HCC patients undergoing anti-PD-1 therapy by multicolor flow cytometry.
Cardiovasc Diagn Ther
December 2024
Department of Cardiology, Second Affiliated Hospital of Anhui Medical University, Hefei, China.
Background: As a novel oral anti-hyperglycemic agent, sodium-glucose cotransporter 2 inhibitors (SGLT2-i) have been demonstrated to improve cardiovascular outcomes in acute myocardial infarction (AMI) patients with type 2 diabetes mellitus (T2DM). However, the mechanism responsible for the beneficial effects remains unclear. Recently, extensive studies have demonstrated a close relationship between elevated fasting triglyceride-glucose (TyG) index and the risk of AMI.
View Article and Find Full Text PDFActa Pharm
December 2024
University of Zagreb Faculty of Pharmacy and Biochemistry, Department of Pharmacognosy 10000 Zagreb, Croatia.
Biowaste produced in urban parks is composed of large masses of organic matter that is only occasionally used economically. In this work, extracts of six plants widely distributed in urban parks in Central Europe (, , , , , and ), prepared using 10 % and 50 % ethanol, were screened for their antidiabetic and related properties. HPLC and UV-Vis analysis revealed the presence of caffeic acid, quercetin, luteolin, and apigenin derivatives.
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