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|標題:||Anti-hyperglycemic effects and mechanism of Bidens pilosa water extract||作者:||Hsu, Y.J.
|關鍵字:||Bidens pilosa;Blood glucose;Insulin;beta cells;Insulin releaser;Type 2 diabetes;polyacetylenic glucoside;cytopiloyne;plants||Project:||Journal of Ethnopharmacology||期刊/報告no：:||Journal of Ethnopharmacology, Volume 122, Issue 2, Page(s) 379-383.||摘要:||
Aim of study: Bidens pilosa has traditionally been used as an anti-diabetic phytomedicine. However, its alleged benefits and mechanism remain elusive. This study aimed to evaluate the effect and action of Bidens pilosa water extract on type 2 diabetes. Materials and methods: A daily dose of Bidens pilosa water extract or glimepiride, a positive control, was given orally to C57BL/KsJ-db/db mice once or for 28 days. Levels of blood glucose, serum insulin, and glycosylated hemoglobulin A1C, glucose tolerance, and islet structure were used to evaluate its antidiabetic effects in db/db mice. Rat pancreatic islets and streptozocin-treated mice were tested for insulin-releasing mechanism of Bidens pilosa water extract. Results: A daily dose of Bidens pilosa water extract given once or for 28 days significantly decreased blood glucose levels and increased serum insulin levels in db/db mice. Besides, 28-day treatment with Bidens pilosa water extract significantly improved glucose tolerance, decreased HbA1C levels and protected islet structure in db/db mice. Mechanism study showed that Bidens pilosa water extract stimulated insulin secretion via pancreatic islets. Conclusions: Our results suggest that Bidens pilosa water extract ameliorates type 2 diabetes in db/db mice via regulation of insulin secretion and islet protection. (C) 2009 Elsevier Ireland Ltd. All rights reserved.
|Appears in Collections:||生命科學系所|
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