Volume 10, Issue 3 (7-2012)                   IJRM 2012, 10(3): 181-192 | Back to browse issues page

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Razi M, Najafi G, Feyzi S, Karimi A, Shahmohamadloo S, Nejati V. Histological and histochemical effects of Gly-phosate on testicular tissue and function. IJRM. 2012; 10 (3) :181-192
URL: http://journals.ssu.ac.ir/ijrmnew/article-1-284-en.html
1- Department of Comparative Histology and Embryology, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran , Mazdak.razi@gmail.com
2- Department of Anatomy, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran
3- Department of Comparative Histology and Embryology, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran
4- Departemt of Biology Sciences, Faculty of Basic Sciences, Urmia University, Urmia, Iran
Abstract:   (1475 Views)
Background: In this study we aimed to evaluate the impact of chronic exposure to the Gly-phosate (GP) on rat’s testicular tissue and sperm parameters. Objective: Testicular tissue, morphology of sperms and testosterone level in serum of mature male rats were analyzed.
Materials and Methods: Animals were divided into two test and control-sham groups. The test group was subdivided into 4 groups (10, 20, 30 and 40 days GP administrated). Each test group (n=8) received the compound at dose of 125 mg/kg, once a day, orally for 40 days while control-sham group (n=16) received the corn oil (0.2 ml/day).
Results: Microscopic analyses revealed increased thickness of tunica albuginea, obvious edema in sub-capsular and interstitial connective tissue, atrophied seminiferous tubules, arrested spermatogenesis, negative tubular differentiation and repopulation indexes, decreased Leydig cells/mm2 of interstitial tissue, hypertrophy and cytoplasmic granulation of Leydig cells, elevated death, immature sperm and increased immotile and abnormal sperm percentage. The carbohydrate ratio was reduced in first three layers of the germinal epithelium (GE) cytoplasm. The upper layers of the GE series were manifested with low rate of lipid accumulation in cytoplasm, while the cells which were located in first layers were revealed with higher amount of lipid foci. Hematological investigations showed significant (p<0.05) decreasing of testosterone level in serum.
Conclusion: The current data provide inclusive histological feature of chronic exposure against GP with emphasizing on reproductive disorders including histological adverse effect on the testicular tissue, spermatogenesis, sperm viability and abnormality which potentially can cause infertility.
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Type of Study: Original Article |

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