Persistence of müllerian ducts in male rabbits passively immunized against bovine anti-müllerian hormone during fetal life.
A female rabbit was immunized against purified bovine AMH and mated. Booster injections were given at Day 8 of pregnancy to ensure a high titer of anti-AMH antibodies at the time the rabbit fetal testis begins to produce AMH. In three consecutive litters, the immunized female produced a total of 12 males, 9 of which had persistent Müllerian duct derivatives. No other significant abnormalities were detected in these animals, which were compared to the offspring of a control saline-injected female. In particular, testicular morphology was normal in most animals, and serum FSH levels did not differ from controls. This experimental model lends no support to the hypothesis that AMH controls extra-Müllerian events of male sex differentiation, nor that of the existence of a regulatory mechanism for synthesis of AMH by Sertoli cells, but it does not definitely exclude these possibilities, inasmuch as our tentative conclusions are based upon study of only one immunized female.[1]References
- Persistence of müllerian ducts in male rabbits passively immunized against bovine anti-müllerian hormone during fetal life. Tran, D., Picard, J.Y., Vigier, B., Berger, R., Josso, N. Dev. Biol. (1986) [Pubmed]
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