Document Type : Original Article
Authors
1 PhD candidate in Exercise Physiology, Department of Physical Education and Sport Sciences, Boj.C., Islamic Azad University, Bojnourd, Iran.
2 Assistant Professo at Department of Physical Education and Sport Sciences, Boj.C., Islamic Azad University, Bojnourd, Iran
3 Associate Professor at Department of Physical Education and Sport Sciences, Boj.C., Islamic Azad University, Bojnourd, Iran.
4 bojnourdAssistant Professo at Department of Physical Education and Sport Sciences, Boj.C., Islamic Azad University, Bojnourd, Iran.
5 Assistant Professo at Department of Physical Education and Sport Sciences, Boj.C., Islamic Azad University, Bojnourd, Iran.
Abstract
The AMPK/SREBP-1c/ACC signaling pathway plays a crucial role in reducing hepatic lipid accumulation by inhibiting fat synthesis. This study investigated the effects of high-intensity interval training (HIIT) and ginger supplementation on this pathway in male Wistar rats with NAFLD.
Twenty-five rats were randomly divided into five groups: healthy control, disease control, exercise, ginger supplement, and a combination group. NAFLD was induced in 20 rats via a 12-week high-fat diet. Following confirmation of the disease, the respective groups received either daily ginger supplementation, an 8-week HIIT program, both, or no intervention. Gene expression of AMPK, SREBP-1c, and ACC was measured using Real-Time PCR.
The results showed a significant increase in AMPK gene expression and a significant decrease in SREBP-1c and ACC expression in all intervention groups compared to the disease control group. Conversely, the disease control group showed significantly lower AMPK and higher SREBP-1c/ACC expression compared to the healthy controls. No significant differences in gene expression changes were observed among the three intervention groups.
In conclusion, both HIIT and ginger supplementation, individually and combined, effectively modulate the AMPK/SREBP-1c/ACC pathway. This suggests that these interventions can prevent hepatic fat accumulation and the toxic complications of NAFLD, with no synergistic effect observed when combined.
Keywords