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Jiedu Tongluo Tiaogan Formula Modulates Glycolipid Metabolism in Type 2 Diabetes via Pyroptosis: Network Pharmacology
Su Jing1, Cui Zhenhai1, Han Xiao1
1Changchun University of Chinese Medicine, Changchun, China.
Abstract:
Type 2 diabetes mellitus (T2DM) is characterized by pancreatic β-cell dysfunction and insulin resistance, with pyroptosis emerging as a key contributor to β-cell loss. Jiedu Tongluo Tiaogan Formula (JTTF), a traditional Chinese medicine (TCM), has shown clinical efficacy in T2DM management, but its mechanism linking pyroptosis remains unexplored. This study integrates UPLC-MS/MS, network pharmacology, and in vivo experiments to elucidate JTTF's anti-diabetic mechanisms. UPLC-MS/MS identified 441 compounds in JTTF, predominantly alkaloids, flavonoids, phenols, and terpenoids. Network pharmacology revealed JTTF's multi-target effects on T2DM-associated pyroptosis, particularly via the NLRP3/Caspase-1/GSDMD pathway. In diabetic mice, JTTF dose-dependently reduced fasting blood glucose, insulin resistance, and dyslipidemia, while restoring pancreatic β-cell morphology. Mechanistically, JTTF suppressed NLRP3 inflammasome activation, downregulated Caspase-1 and GSDMD expression, and attenuated IL-1β/IL-18 release. Notably, this study provides the first evidence of JTTF's anti-pyroptotic effects in T2DM, highlighting its unique ability to modulate glycolipid metabolism and inflammatory cell death concurrently. These findings underscore JTTF's translational promise for preserving β-cell function and suggest future exploration of non-classical pyroptosis pathways. Our work bridges traditional medicine and molecular pharmacology, paving the way for clinical trials and integrative T2DM therapies.
Insights
Jiedu Tongluo Tiaogan Formula (JTTF) reduces blood glucose and insulin resistance in type 2 diabetes by inhibiting pyroptosis, a key cell death pathway. This traditional Chinese medicine preserves pancreatic beta-cell function through multi-target mechanisms.
Area of Science:
- Endocrinology
- Pharmacology
- Immunology
Background:
- Type 2 diabetes mellitus (T2DM) involves beta-cell dysfunction and insulin resistance.
- Pyroptosis, a pro-inflammatory cell death, significantly contributes to beta-cell loss in T2DM.
- The precise mechanisms of traditional Chinese medicine, like Jiedu Tongluo Tiaogan Formula (JTTF), in modulating pyroptosis for T2DM remain unclear.
Purpose of the Study:
- To elucidate the anti-diabetic mechanisms of JTTF, focusing on its effects on pyroptosis in T2DM.
- To identify active compounds in JTTF and their potential targets related to T2DM and pyroptosis.
- To evaluate the efficacy of JTTF in improving glucose and lipid metabolism and preserving beta-cell function in a T2DM mouse model.
Main Methods:
- Ultra-Performance Liquid Chromatography coupled with tandem Mass Spectrometry (UPLC-MS/MS) for compound identification.
- Network pharmacology to predict JTTF's multi-target effects on T2DM-associated pyroptosis.
- In vivo experiments using diabetic mice to assess JTTF's therapeutic effects and molecular mechanisms.
Main Results:
- UPLC-MS/MS identified 441 compounds in JTTF, including alkaloids, flavonoids, phenols, and terpenoids.
- Network pharmacology indicated JTTF targets the NLRP3/Caspase-1/GSDMD pathway central to pyroptosis in T2DM.
- JTTF treatment dose-dependently improved glycemic control, insulin sensitivity, and lipid profiles, while restoring pancreatic beta-cell morphology by suppressing NLRP3 inflammasome activation and downstream inflammatory cytokine release.
Conclusions:
- JTTF exhibits significant anti-diabetic effects by concurrently modulating glycolipid metabolism and inhibiting pyroptosis in T2DM.
- This study provides the first evidence of JTTF's anti-pyroptotic action, highlighting its potential for preserving beta-cell function.
- JTTF demonstrates translational promise for integrative T2DM therapies, warranting further clinical investigation and exploration of non-classical pyroptosis pathways.
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