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Tirzepatide therapy counters inflammatory and apoptotic responses induced by high-fat diet in rat liver
Ashraf Alathary1, Zahraa Al-Isawi1
1DEPARTMENT OF PHARMACOLOGY AND TOXICOLOGY, FACULTY OF PHARMACY, UNIVERSITY OF KUFA, KUFA, IRAQ.
Objective:
Aim: To examine potential protective effect of Tirzepatide against obesity-induced metabolic dysfunction and hepatic inflammatory and apoptotic responses.
Patients And Methods:
Materials and Methods: A total of 28 adult male Sprague-Dawley rats were employed and divided into four groups, normal control group involved seven rats fed a regular diet, while other rats received a high fat diet. Obese rats were separated into three groups after eight weeks of high fat diet: obesity, Tirzepatide (10 nmol/kg) s.c and vehicle groups, and treated for four weeks. Data regarding body weight, blood glucose, serum insulin, liver enzymes, and TNF-α, IL-1β and caspase-3 levels in the liver tissue were obtained.
Results:
Results: results revealed that Tirzepatide-treated obese rats exhibited significantly reduced body weight, blood glucose, serum insulin ALT, triglyceride, VLDL levels. Additionally, liver specimens from Tirzepatide group demonstrated lower levels of TNF-α, IL-1β and caspase-3 compared to obese untreated rats.
Conclusion:
Conclusions: It concluded that Tirzepatide treatment mitigates the metabolic dysregulations induced by High Fat Diet, additionally; it ameliorates the inflammatory and apoptotic responses in hepatic tissue triggered by High Fat Diet.
Insights
Tirzepatide treatment significantly reduced body weight and improved metabolic markers in obese rats. The drug also lessened liver inflammation and apoptosis, indicating a protective effect against diet-induced metabolic dysfunction.
Area of Science:
- Metabolic disease research
- Pharmacological interventions
- Hepatology
Background:
- Obesity is linked to metabolic dysfunction and liver damage.
- High-fat diets induce inflammation and apoptosis in hepatic tissue.
- Understanding protective mechanisms is crucial for managing obesity-related complications.
Purpose of the Study:
- To investigate Tirzepatide's protective effects against obesity-induced metabolic dysfunction.
- To assess Tirzepatide's impact on hepatic inflammatory and apoptotic responses.
- To evaluate Tirzepatide's efficacy in a rat model of diet-induced obesity.
Main Methods:
- Adult male Sprague-Dawley rats were fed a high-fat diet to induce obesity.
- Obese rats were treated with Tirzepatide (10 nmol/kg) or vehicle for four weeks.
- Key metabolic parameters and liver tissue markers of inflammation and apoptosis were measured.
Main Results:
- Tirzepatide treatment significantly reduced body weight, blood glucose, and insulin levels.
- Serum triglyceride and VLDL levels were decreased in Tirzepatide-treated rats.
- Liver tissue showed reduced levels of TNF-α, IL-1β, and caspase-3 following Tirzepatide administration.
Conclusions:
- Tirzepatide effectively mitigates metabolic dysregulations caused by a high-fat diet.
- Tirzepatide ameliorates hepatic inflammation and apoptosis associated with diet-induced obesity.
- Tirzepatide demonstrates potential as a therapeutic agent for obesity-related metabolic and liver complications.
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