Cited by 92Natural Antidiabetic Agents StudiesBerberine and alkaloids researchDiabetes Treatment and Management

Anti-Diabetic Effect of Trigonelline and Nicotinic Acid, on KK-Ay Mice

Yoshinari, O., Igarashi, K.·2010·Current Medicinal Chemistry

Abstract

Trigonelline (TRG) and nicotinic acid (NA), in which the former but not the latter improved the blood glucose level in the oral glucose tolerance test (OGTT) in Goto-Kakizaki (GK) rats were tested for anti-diabetic effects in mellitus models of KK-A(y) obese mice that had type 2 diabetes. Blood glucose level in OGTT carried out on day 22-23 was lowered after feeding in mice fed TRG and NA than that of the control mice not fed these compounds, indicating that both TRG and NA have sufficient activity to improve glucose tolerance in diabetes with obesity. The serum insulin levels at fasting showed significantly lower levels in mice fed TRG, and a lower tendency in mice fed NA, compared with the control mice. The triglyceride (TG) levels in the liver and adipose tissue in mice fed TRG and NA showed lower values or a lower tendency than those of the control mice, indicating that TRG and NA were also effective to improve the changes in lipid levels accompanied with diabetes. Higher values or a higher tendency of the glucokinase (GLK)/glucose-6-phosphatase (G6Pase) ratio in the liver and lower levels of the serum tumor necrosis factor (TNF)-alpha in the TRG- and NA-fed mice, compared to the control mice, suggested that the regulation of GLK and G6Pase, and TNF-alpha production by TRG and NA are closely related in suppressing the progression of diabetes in the KK-A(y) mice.

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Crossref · 10.2174/092986710791299902

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Authors
Yoshinari, O., & Igarashi, K.
Affiliations
Iwate University (JP)
Corresponding author
Igarashi, K.
Venue
Current Medicinal Chemistry
Published
2010-07-01
Volume
17
Issue
20
Pages
2196-2202
ISSN
0929-8673 (ISSN-L)
OpenAlex
W1963493944
Cited by
92
References
0
Citations by year
2026: 2 · 2025: 4 · 2024: 7 · 2023: 7 · 2022: 8 · 2021: 5 · 2020: 8 · 2019: 8 · 2018: 8 · 2017: 7 · 2016: 3 · 2015: 4 · 2014: 4 · 2013: 7 · 2012: 6
FWCI
4.11
Type
journal article
Language
en
Open access
closed
Locations
  • Current Medicinal Chemistry (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Natural Antidiabetic Agents Studies
  • Health Sciences › Medicine › Pharmacology › Berberine and alkaloids research
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Treatment and Management
Keywords
trigonelline, nicotinic acid, type 2 diabetes, anti-diabetic effects, KK-Ay mice, glucose tolerance, blood glucose, serum insulin, triglycerides, glucokinase, glucose-6-phosphatase, TNF-α, obesity, liver
MeSH terms
Alkaloids, Animals, Blood Glucose, Diabetes Mellitus, Type 2, Fasting, Glucokinase, Glucose-6-Phosphatase, Hypoglycemic Agents, Insulin, Male, Mice, Obese, Niacin, Triglycerides, Tumor Necrosis Factor-alpha, Mice, Rats

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