Effect of ozone versus naringin on testicular injury in experimentally induced ulcerative colitis in adult male albino rats

ABSTRACT

Testicular dysfunction is caused by the continuous inflammation and oxidative stress that are present at the local site in ulcerative colitis (UC) spreading to the testes via systemic circulation. The influence of ozone and naringine on colitis-mediated testicular dysfunction was investigated in this study. Forty-eight adult male rats were divided into four groups: I control group, II dextran sodium sulfate (DSS) UC-induced group, III DSS+naringine, and IV DSS+ozone groups. UC was induced in groups II, III, and IV using 0.1 ml of 4% DSS in their drinking water per day for 6 days by gastric gavage. All animals were sacrificed 45 days from the start. Blood samples were obtained to estimate serum testosterone hormone. Testicular tissues were processed for measurement of tissue malondialdehyde (MDA) and examined by light and electron microscopes. Ultrastructurally, group II revealed a relatively thick basement membrane enveloping the seminiferous tubule. Sertoli cell cytoplasm appears rarified with wide intracellular spaces, vacuoles, and multiple lysosomes; distorted spermatogonia with electron dense nuclei and cytoplasm; and primary spermatocytes with small nuclei and electron dense cytoplasm. Abnormal sperm profiles were visible in middle pieces, mid, principle, and end pieces that were markedly affected with disorganization of axoneme and outer dense fibers. Leydig cells revealed dilated cisternae of smooth endoplasmic reticulum. Morphometric and statistical analyses were performed. Group III showed some improvement; however, group IV showed more improvement. The results indicated that ozone caused marked improvement than naringine against UC-induced testicular damage via their antioxidant and anti-inflammatory properties.

KEYWORDS:

• ulcerative colitis
• ozone
• testes
• Rat
• naringin

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