Journal of Eexercise & Organ Cross Talk

Long-term aerobic exercise with curcumin supplementation improves cardiac fibrosis via TGF-β1/TRAF6/CTGF signaling in brain tumor of rats

Document Type : Original Article

Authors

1 Department of Physical Education and Sport Science, Science and Research Branch, Islamic Azad University, Tehran, Iran.

2 Exercise Physiology Research Center, Lifestyle Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.

Abstract
The aim of the present study is to investigate the effect of aerobic exercise and nano-curcumin supplementation on cardiac TGF-β1/TRAF6 and CTGF pathways in rat with brain tumors. Forty male Wistar rats were divided into 5 groups (n=8 in each) of healthy control, brain tumor, tumor + aerobic exercise (AE), tumor + nanocurcumin (N-CUR) and tumor+AE+N-CUR. Glioblastoma was injected into the rats in the frontal cortex. Nano curcumin supplement at the dose of 80 mg/kg was gavage for 4 weeks, 5 days a week. The training groups performed aerobic exercises on the treadmill for 4 weeks, 3 days a week at a speed of 18 meters per minute, for 25-40 minutes. At the end, the rats were sacrificed and TGF-β1, TRAF6, CTGF were analyzed from the myocardium by Real-time PCR method. Compared to the healthy control group, Tumor group significantly increased TGF-β1 mRNA and TRAF6 mRNA in the myocardium (p<0.05). Also, compared to the healthy control group, all tumor groups showed a significant increase in CTGF mRNA expression (p<0.05). In contrast to the Tumor group, the Tumor+AE and Tumor+AE+N-CUR groups showed a significant decrease in TGF-β1 mRNA at myocardium (p=0.0010 and p=0.0002, respectively). It seems that aerobic exercise or exercise with nano-curcumin supplement has better protective effects on the heart of tumor rats with downregulation of TGF-β1. It is suggested that different doses and various exercise modalities should be investigated to control cardiac fibrosis from the TGF-β1/TRAF6 and CTGF pathways.

What is already known on this subject?

Sedentary lifestyle caused by old age or disease leads to the induction of cellular damage in heart tissue.

 

What this study adds?

Combination of exercise and Nano curcumin by controlling and reducing TGF-β can improve cardiac fibrosis in different cancer models and therefore have protective effects on heart tissue.

Keywords

Subjects


Acknowledgements

None.

Funding

The funding for this research was provided by the author.

Compliance with ethical standards

Conflict of interest The authors declare that they have no conflict of interest.

Ethical approval The study was approved by the Ethics Committee of the Islamic Azad University, Tehran, Iran under protocol number IR.IAU.SRB.REC.1401.029.

Informed consent Not applicable

Author contributions

Conceptualization: N.T., H.A., M.Gh.; Methodology: H.Sh., H.A., F.Gh.; Software: H.A.; Validation: N.T., Formal analysis; Investigation: M.Gh., F.Gh.; Resources: H.Sh., H.A.; Data curation: N.T., H.A., M.Gh.; Writing - original draft: H.Sh.; Writing – review & editing: H.A.; Visualization: M.Gh.; Supervision: F.Gh. Project administration: H.A.; Funding acquisition: N.T.

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Volume 4, Issue 3
Summer 2024
Pages 157-165

  • Receive Date 24 July 2024
  • Revise Date 15 September 2024
  • Accept Date 25 September 2024