Cited by 80Natural Antidiabetic Agents StudiesPhytochemistry and Biological ActivitiesDiabetes Treatment and Management

Antihyperglycemic Effect of Catalpol in Streptozotocin-Induced Diabetic Rats

Huang, Wei-Jan, Niu, Ho-Shan, Lin, Mei-Hsiang, Cheng, Juei-Tang, Hsu, Fen-Lin·2010·Journal of Natural Products

Abstract

The antihyperglycemic effect of catalpol (1) purified from the roots of Rehmannia glutinosa was investigated in streptozotocin-induced diabetic rats (STZ-diabetic rats) representing insulin-dependent diabetes mellitus. Bolus intravenous injection of 1 showed antihyperglycemic activity in a dose-dependent manner in STZ-diabetic rats. An effective dose of 0.1 mg/kg 1 significantly attenuated the increase of plasma glucose induced by an intravenous glucose challenge test in normal rats. Catalpol enhanced the uptake of radioactive glucose in the isolated soleus muscle of STZ-diabetic rats in a concentration-related manner. Moreover, an effect by 1 was established on glycogen incorporation in hepatocytes isolated from STZ-diabetic rats. Catalpol was found to increase glycogen synthesis in STZ-diabetic rats. These results suggest that 1 can increase glucose utilization to lower plasma glucose in diabetic rats lacking insulin.

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Crossref · 10.1021/np9008317

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Authors
Huang, W.-J., Niu, H.-S., Lin, M.-H., Cheng, J.-T., & Hsu, F.-L.
Affiliations
Taipei Medical University (TW)
Corresponding author
  • Cheng, Juei-Tang
  • Hsu, Fen-Lin
Venue
Journal of Natural Products
Published
2010-06-02
Volume
73
Issue
6
Pages
1170-1172
ISSN
  • 0163-3864 (ISSN-L)
  • 1520-6025
OpenAlex
W2019266385
Cited by
80
References
23
Citations by year
2026: 4 · 2025: 5 · 2024: 4 · 2022: 2 · 2021: 3 · 2020: 6 · 2019: 5 · 2018: 4 · 2017: 10 · 2016: 8 · 2015: 7 · 2014: 5 · 2013: 8 · 2012: 5
FWCI
3.86
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Natural Products (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Natural Antidiabetic Agents Studies
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Phytochemistry and Biological Activities
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Treatment and Management
Keywords
catalpol, Rehmannia glutinosa, hypoglycemic effect, streptozotocin-induced diabetes, type 1 diabetes, glucose uptake, soleus muscle, glycogen synthesis, hepatocytes, plasma glucose, glucose challenge test
MeSH terms
Animals, Blood Glucose, Diabetes Mellitus, Experimental, Glucosides, Glycogen, Hypoglycemic Agents, Insulin, Male, Plants, Medicinal, Taiwan, Molecular Structure, Rats, Wistar, Muscle, Skeletal, Plant Roots, Hepatocytes, Rehmannia, Iridoids, Rats, Iridoid Glucosides

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