Introduction: Obesity and overweight are metabolic disorders in which fat tissue levels are influential in this disorder. The current research aimed to investigate the effect of eight weeks of endurance, resistance, and high-intensity interval training on the SREBP-1 and 12.13.diHome gene expression in male obese Wistar rats. Methods: In the current study, 36 obese male Wistar rats (eight weeks old rats with a weight of 325 ± 40 grams) were randomly divided into four Endurance (n=10), Resistance (n=8), High-Intensity Interval Training (n=10) and Control (n=8) groups. The rats in the experimental groups performed five sessions of endurance training at an intensity of 70-80% of the maximum speed, resistance training at an intensity of 50-120% of the body weight, and HIIT at an intensity of 85-90% of the maximum speed for eight weeks. To measure SREBP-1 and 12.13.diHome gene expression, the Real Time-PCR method was used. The statistical method of one-way analysis of variance with Tukey\\\\\\\'s post hoc test was used to determine the difference between groups at a significant level of α= 0.05. Results: The results of the present study showed that all three training models of endurance, resistance, and HIIT caused a significant increase in the expression of the 12.13.diHome gene and a significant decrease in SREBP-1 compared with the control group (P<0.05), but no significant difference was observed among the experimental groups (P>0.05). Conclusion: To lose weight, it is suggested to use endurance, resistance, and HIIT training to reduce the expression of the SREBP-1 gene and increase 12.13.diHome, which are factors influencing lipolysis and lipogenesis

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