Testicular torsion is twisting of the spermatic cord around its axis, which impairs blood flow and causes ischemia and formation of free radicals. Ferulic acid is a phenolic acid of the hydroxycinnamic family that is found in the seeds and leaves of plants; it is present in substantial amounts in fruits and vegetables. We investigated the protective effect of ferulic acid on experimental testicular torsion in rats. Animals were divided randomly into five groups: control, ethyl alcohol, torsion, torsion-detorsion, and torsion-detorsion + ferulic acid. Histopathology was assessed using hematoxylin and eosin, and periodic acid-Schiff staining. Tissues were assessed using TUNEL, active caspase-3, myeloperoxidase and inducible nitric oxide synthase immunostaining. Biochemical changes were assessed using assays for superoxide dismutase, malondialdehyde, glutathione peroxidase and glutathione. Ferulic acid reduced the levels of free radicals and increased the levels of antioxidants. Ferulic acid also reduced histopathological changes and germ cell differentiation in the testis following torsion-detorsion. Ferulic acid should be investigated further as a potential treatment for sequelae of torsion-detorsion injury.
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