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Updated: Oct 26, 2025
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A High-content In Vitro Pancreatic Islet β-cell Replication Discovery Platform
Published on: July 16, 2016
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The small molecule kobusone can stimulate islet β-cell replication in vivo
Jin Woo Choi1, Jin-Deok Joo1, Jang Hyeok In1
1Department of Anesthesiology and Pain Medicine, St. Vincent's Hospital, The Catholic University of Korea, Suwon, Korea.
The Journal of International Medical Research
|July 29, 2021
Summary
Kobusone effectively lowered blood glucose and increased insulin in diabetic mice. This compound stimulates pancreatic beta-cell replication, showing potential as a novel anti-diabetic therapy.
Area of Science:
- Endocrinology
- Pharmacology
- Cell Biology
Background:
- Type 2 diabetes is characterized by hyperglycemia and pancreatic beta-cell dysfunction.
- Developing novel therapeutic agents to improve beta-cell function is critical for diabetes management.
Purpose of the Study:
- To evaluate the efficacy of kobusone in reducing hyperglycemia.
- To investigate kobusone's effect on pancreatic beta-cell proliferation and survival.
Main Methods:
- A study was conducted on female db/db mice, a model for type 2 diabetes.
- Mice received either kobusone (25 mg/kg) or a control (PBS) intraperitoneally twice daily for 6 weeks.
- Measurements included blood glucose, body weight, glucose tolerance, insulin levels, and gene expression related to cell proliferation (PI3K, Akt, cyclin D3, p57Kip2).
Main Results:
- Kobusone treatment significantly reduced blood glucose levels and increased serum insulin.
- Immunohistochemistry confirmed kobusone stimulates beta-cell replication in vivo.
- Quantitative RT-PCR revealed kobusone upregulates PI3K, Akt, and cyclin D3 mRNA, while downregulating p57Kip2.
Conclusions:
- Kobusone demonstrates potent pancreatic islet beta-cell inducing capabilities.
- These findings suggest kobusone holds promise as a potential anti-diabetic agent.
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