Animal Reproduction (AR)
https://animal-reproduction.org/article/doi/10.1590/1984-3143-AR2024-0024
Animal Reproduction (AR)
ORIGINAL ARTICLE

High-intensity interval training reduces inflammatory mediator levels in the testes of spontaneously hypertensive rats

Ronivania Jenuario Silva Nespolo; Allice Santos Cruz Veras; Lauren Chrys Soato Marin; Margarete Jardinetti de Oliveira; Aline de Oliveira Santos; Evellin Heloisa Paulineli Pereira; Francilene Lima Agostinho de Souza; Francis Lopes Pacagnelli; Caliê Castilho; Giovana Rampazzo Teixeira; Robson Chacon Castoldi; Ines Cristina Giometti

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Abstract

Hypertension is an age-related pathology that causes a decline in the function of all organ systems, including the reproductive system, due to its association with increased oxidative stress and inflammation. The inflammatory cytokine levels increase as a result of hypertension and cause inflammation and tissue injury. Although high-intensity interval training (HIIT) has shown promise as a nondrug treatment for hypertensive individuals, its effects on the reproductive system of hypertensive individuals remain unknown. The aim of this study was to investigate the effects of HIIT on plasma hormone concentrations and the expression of inflammatory mediators in the testes of spontaneously hypertensive rats (SHRs). Male SHRs were divided into 2 groups: SHR (control, n=8) and HIIT (SHRs subjected to HIIT on a treadmill for 8 weeks, n=9) groups. The expression of inflammatory mediators (TNFα and IL-6) in the testes and testosterone, prolactin, and corticosterone concentrations in plasma were measured. No difference in TNFα expression was found between the groups. The groups also showed no significant differences in hormone levels. However, SHRs that underwent HIIT showed lower immunostaining for IL-6 in their testes than did SHRs that did not undergo HIIT training (P < 0.05) and the HIIT group presented lower lower systolic blood pressure than did the SHR group. We concluded that HIIT for two months reduces the BSP and IL-6 levels in the testes of hypertensive rats.

Keywords

exercise, hormonal dosage, interleukin, testosterone, TNFα

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Submitted date:
03/01/2024

Accepted date:
03/10/2025

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