Related Experiment Video
Updated: Jun 16, 2026
Isolated Pancreatic Islet Treatment and Apoptosis Measurement
Published on: May 2, 2025
Ginsenoside Rg3 Suppresses Palmitate-Induced Apoptosis in MIN6N8 Pancreatic beta-Cells
Kyong Kim1, Min Park, Hye Young Kim
1Functional Food Technology Research Group, Research Division for Emerging Innovative Techology, Korea Food Research Institute, 516 Baekhyun-dong, Bundang-gu, Songnam-si, Kyonggi-do 463-746, Republic of Korea.
Abstract:
Chronic exposure to elevated levels of free fatty acids (FFA) causes beta-cell dysfunction and may induce beta-cell apoptosis in type 2 diabetes. The execution of beta-cell apoptosis occurs through activation of mitogen-activated protein kinases (MAPKs). Ginsenoside Rg3 (Rg3), one of the active ingredients of ginseng saponins, has not been known about the effects on beta-cell apoptosis mediated with FFA. The aims of this study were to investigate the in vitro protective effects of Rg3 on MIN6N8 mouse insulinoma beta-cells against FFA-induced apoptosis, as well as the modulating effects on p44/42 MAPK activation. Our results showed that Rg3 inhibited the palmitate-induced apoptosis through modulating p44/42 MAPK activation. We conclude that Rg3 has the potential role in suppressing the progression of type 2 diabetes by inhibiting FFA-mediated loss of beta-cells.
Insights
Ginsenoside Rg3 (Rg3) protects against free fatty acid-induced beta-cell apoptosis in type 2 diabetes by modulating p44/42 MAPK activation, suggesting a therapeutic role.
Area of Science:
- Endocrinology
- Molecular Biology
- Pharmacology
Background:
- Elevated free fatty acids (FFA) contribute to beta-cell dysfunction and apoptosis in type 2 diabetes.
- Mitogen-activated protein kinases (MAPKs) mediate beta-cell apoptosis.
- The effects of Ginsenoside Rg3 (Rg3) on FFA-induced beta-cell apoptosis are unknown.
Purpose of the Study:
- To investigate the protective effects of Rg3 on MIN6N8 mouse insulinoma beta-cells against FFA-induced apoptosis.
- To determine Rg3's modulatory effects on p44/42 MAPK activation in this context.
Main Methods:
- In vitro study using MIN6N8 mouse insulinoma beta-cells.
- Exposure to palmitate (a type of FFA) to induce apoptosis.
- Treatment with Ginsenoside Rg3 (Rg3).
- Assessment of apoptosis and p44/42 MAPK activation.
Main Results:
- Rg3 significantly inhibited palmitate-induced apoptosis in beta-cells.
- Rg3 modulated the activation of p44/42 MAPK.
Conclusions:
- Rg3 demonstrates in vitro protective effects against FFA-induced beta-cell apoptosis.
- Rg3 may suppress type 2 diabetes progression by preventing FFA-mediated beta-cell loss via MAPK pathway modulation.