Insulin-Mimetic Action of Rhoifolin and Cosmosiin Isolated from Citrus grandis (L.) Osbeck Leaves: Enhanced Adiponectin Secretion and Insulin Receptor Phosphorylation in 3T3-L1 Cells
2011

Insulin-Mimetic Action of Rhoifolin and Cosmosiin from Citrus grandis Leaves

publication Evidence: moderate

Author Information

Author(s): Rao Yerra Koteswara, Lee Meng-Jen, Chen Keru, Lee Yi-Ching, Wu Wen-Shi, Tzeng Yew-Min

Primary Institution: Institute of Biochemical Sciences and Technology, Chaoyang University of Technology

Hypothesis

Can rhoifolin and cosmosiin from Citrus grandis leaves enhance adiponectin secretion and insulin receptor phosphorylation in 3T3-L1 cells?

Conclusion

Rhoifolin and cosmosiin from red wendun leaves may help treat diabetes by increasing adiponectin secretion and insulin receptor activity.

Supporting Evidence

  • Rhoifolin and cosmosiin increased adiponectin secretion in a dose-dependent manner.
  • 5 μM of rhoifolin and 20 μM of cosmosiin showed similar effects to insulin on insulin receptor phosphorylation.
  • GLUT4 translocation was enhanced by rhoifolin and cosmosiin treatment.

Takeaway

This study found that two compounds from a plant can help the body use insulin better, which is important for people with diabetes.

Methodology

The study used differentiated 3T3-L1 adipocytes to test the effects of rhoifolin and cosmosiin on adiponectin secretion and insulin receptor phosphorylation.

Limitations

The study does not explore the long-term effects of these compounds or their mechanisms in vivo.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1093/ecam/nep204

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