{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,3]],"date-time":"2026-10-03T11:06:56Z","timestamp":1791025616970,"version":"4.1.0"},"reference-count":45,"publisher":"SAGE Publications","issue":"7","license":[{"start":{"date-parts":[[2007,8,1]],"date-time":"2007-08-01T00:00:00Z","timestamp":1185926400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Toxicol Ind Health"],"published-print":{"date-parts":[[2007,8]]},"abstract":"<jats:p>Organophosphates are among the most widely used synthetic insect pesticides. The widespread use of organophosphates has stimulated research into the possible existence of effects related with their reproductive toxic activity. Present study was therefore, undertaken to assess the effects of chlorpyrifos on testes, the main organ of male reproduction. Chlorpyrifos at the dose levels of 7.5, 12.5 and 17.5 mg\/kg b. wt.\/day was administered orally to male rats of Wistar strain for 30 days to evaluate the toxic alterations in testicular histology, biochemistry, sperm dynamics and testosterone levels. The body weight of animals did not show any significant change, however, a significant reduction was observed in testes. Chlorpyrifos also brought about marked reduction in epididymal and testicular sperm counts in exposed males and a decrease in serum testosterone concentration. Histopathological examination of testes showed mild to severe degenerative changes in seminiferous tubules at various dose levels. Fertility test showed 85% negative results. A significant reduction in the sialic acid content of testes and testicular glycogen was noticed, whereas the protein and cholesterol content was raised at significant levels. All these toxic effects are moderate at low doses and become severe at higher dose levels. From the results of the present study it is concluded that chlorpyrifos induces severe testicular damage and results in reduction in sperm count and thus affect fertility. Small changes in sperm counts are known to have adverse affects on human fertility. Therefore, application of such insecticide should be limited to a designed programme. Toxicology and Industrial Health 2007; 23: 439\u2014444.<\/jats:p>","DOI":"10.1177\/0748233707080908","type":"journal-article","created":{"date-parts":[[2008,3,12]],"date-time":"2008-03-12T08:14:05Z","timestamp":1205309645000},"page":"439-444","source":"Crossref","is-referenced-by-count":137,"title":["Testicular toxicity of chlorpyrifos (an organophosphate pesticide) in albino rat"],"prefix":"10.1177","volume":"23","author":[{"given":"Suresh C","family":"Joshi","sequence":"first","affiliation":[{"name":"Reproductive Toxicology Unit, Department of Zoology, University of Rajasthan, Jaipur 302004, India,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R.","family":"Mathur","sequence":"additional","affiliation":[{"name":"Reproductive Toxicology Unit, Department of Zoology, University of Rajasthan, Jaipur 302004, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"N.","family":"Gulati","sequence":"additional","affiliation":[{"name":"Reproductive Toxicology Unit, Department of Zoology, University of Rajasthan, Jaipur 302004, India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2007,8,1]]},"reference":[{"key":"atypb1","doi-asserted-by":"publisher","DOI":"10.1002\/j.1939-4640.1984.tb00792.x"},{"key":"atypb2","doi-asserted-by":"publisher","DOI":"10.1016\/S0010-7824(02)00312-8"},{"key":"atypb3","first-page":"219","volume":"15","author":"Balasubramanian, K.","year":"1987","journal-title":"Medical Science Research"},{"key":"atypb4","unstructured":"Bardin, C.W., Cheng, C.Y., Musto, N.A. and Gunsalus, G.L. 1988: The sertoli cell. 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