مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Information Journal Paper

Title

Impact of two-month sodium citrate supplementation along with moderate-intensity continuous training on PGC-1α and Nrf2 expression in diabetic rats

Pages

  157-168

Abstract

 Introduction: Sports activity increases PGC1α and Nrf2, the regulatory factors of mitochondrial biogenesis. This paper aims to study the impact of two-month sodium citrate supplementation with Moderate-Intensity Continuous Training (MICT) on PGC-1α and Nrf2 expression in diabetic rats. Methods: Forty-five three-month-old male Wistar rats were haphazardly assigned to one of five equal groups (N=9): (1) healthy,(2) diabetic,(3) diabetes + exercise (DE),(4) diabetes+ supplementation (DS),and (5) diabetic + exercise + supplementation (DSE), matched according to their weights. After induction, exercises began on a treadmill for 8 weeks, five days a week. The MICT protocol ran at 70% of their maximum speed for 36 minutes. The rats supplemented with sodium-citrate-at 15 mmol/L in drinking water for two months. PGC-1α and Nrf2 expression were measured through Western blotting in the soleus muscle. Data were analyzed using univariate analysis of variance (ANOVA) and the Tukey post-hoc test. Cohen’s D effect size (ES) was calculated to compare the groups. Results: The results showed that induction of diabetes significantly reduced the expression of PGC-1α (P< 0. 001,ES=1. 36) and Nrf2 (P<0. 088,ES=0. 24), while exercise increased PGC-1α expression (P<0. 001,ES=0. 68). Sodium citrate supplementation, either alone or in combination with MICT activity, did not show a clear advantage for Nrf2 expression. Conclusion: MICT activity and sodium citrate supplementation, by increasing PGC-1α expression, can be considered therapeutic strategies for diabetic patients. However, to increase Nrf2 expression, further studies with different exercise intensities and doses of sodium citrate supplementation are needed.

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