Presence of nonestrogenic competitors of rat-alpha-fetoprotein-estrogen interaction in the adult ovary

Aussel, C.; Castelli, D.

Biochemical and Biophysical Research Communications 108(3): 953-958

1982


ISSN/ISBN: 0006-291X
PMID: 6185118
Document Number: 190997
The presence of nonestrogenic inhibitors of the rat .alpha.-fetoprotein-(Rf)-estrogen interaction was evidenced in the adult rat ovary. The compound responsible for this activity was characterized as nonpolar, dialyzable, thermostable and unreactive with anti-17.beta.-estradiol antisera. Fractionation by TLC showed that the competitor(s) both by its staining properties and Rf might be a mixture of unsaturated fatty acids. This raises the problem of the complexity of the .alpha.-fetoprotein-ovarian interaction previously demonstrated.

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