ArticleActa cirurgica brasileira2026
Time-dependent protective effects of syringic acid following testicular torsion-detorsion: an experimental rat model.
Article in Acta cirurgica brasileira, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeTo investigate the protective effects of syringic acid (SA) against testicular ischemia-reperfusion (I/R) injury during different reperfusion periods in an experimental rat model.
methodsForty-eight male Wistar albino rats were randomly assigned to six groups: control, sham, torsion/detorsion (T/D) 4 h, T/D + SA 4 h, T/D 24 h, and T/D + SA 24 h. Testicular torsion was induced by 720° rotation of the left testis for 2 h, followed by detorsion and 4 or 24 h reperfusion. SA (10 mg/kg) was administered intraperitoneally 30 min before detorsion. Oxidative stress markers, histopathological alterations, and immunohistochemical expressions of apoptotic protease activating factor-1 (APAF-1) and inducible nitric oxide synthase were evaluated.
resultsT/D significantly decreased total antioxidant status and glutathione levels while increasing myeloperoxidase activity and APAF-1/inducible nitric oxide synthase (iNOS) expressions compared with controls (p < 0.001). SA treatment restored antioxidant capacity and attenuated inflammatory and apoptotic responses (p < 0.05). Histopathological analyses demonstrated lower Cosentino scores and higher Johnsen scores in SA-treated groups than in untreated T/D groups (p < 0.05). Malondialdehyde levels showed no significant intergroup differences.
conclusionSA attenuates testicular I/R injury by reducing oxidative stress, inflammation, and apoptosis while preserving spermatogenic function and histological integrity.
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