{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,10,27]],"date-time":"2023-10-27T16:43:32Z","timestamp":1698425012463},"reference-count":30,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2005,4,25]],"date-time":"2005-04-25T00:00:00Z","timestamp":1114387200000},"content-version":"vor","delay-in-days":7388,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Exp. Zool."],"published-print":{"date-parts":[[1985,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The highly inbred Coatzacoalcos (Cp) strain of the platyfish, <jats:italic>Xiphophorus maculatus<\/jats:italic>, was noted for a high percentage of infertile females (XX). The ovaries of approximately one\u2010quarter of all females regress. The time of gonadal atrophy varied from before sexual maturation up to 11 months of age. The gonadotropic zone of the pituitary was hypertrophied in regressed females. Transplants of immature testes and ovarian tissue into the caudal musculature of regressed females and the subsequent maturation of the grafts demonstrated that the ovarian degeneration was not due to pituitary or hypothalamic malfunction or an autoimmune disease.<\/jats:p><jats:p>The cause of the gonadal degeneration was apparently localized to the ovary itself. This phenomenon was never observed in males (XY). Regressed ovaries fell into two categories, designated types I and II, with all being characterized by the presence of ductlike structures which resembled male efferent ducts, lined by Sertoli cells. Type I ovaries bore a marked similarity to certain mammalian dysgenetic gonads, while type II ovaries contained many proliferating germ cells and could be compared to the human neoplasm termed gonadoblastoma. It is suggested that the physiological lesion responsible for the ovarian regression syndrome involves the processes that control the determination and differentiation of the germ cells similar to those found in human 46,XY gonadal dysgenesis.<\/jats:p>","DOI":"10.1002\/jez.1402330219","type":"journal-article","created":{"date-parts":[[2005,6,11]],"date-time":"2005-06-11T06:09:45Z","timestamp":1118470185000},"page":"301-316","source":"Crossref","is-referenced-by-count":11,"title":["An ovarian regression syndrome in the platyfish, <i>Xiphophorus maculatus<\/i>"],"prefix":"10.1002","volume":"233","author":[{"given":"John R.","family":"Burns","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Klaus D.","family":"Kallman","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2005,4,25]]},"reference":[{"key":"e_1_2_1_2_1","first-page":"145","volume-title":"Intersexuality in Vertebrates including Man","author":"Atz J. 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