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The presence of a pregnenolone-binding factor in the copulatory organ of the migratory locust, Locusta migratoria migratorioides R. & F.

Abstract：

:The presence of binding sites for nonecdysteroid steroids was investigated in the cytosol of several tissues of the migratory locust, Locusta migratoria migratorioides. Binding of androgens was not observed. Most tissues, however, showed nonsaturable binding of estrogens and in some tissues saturable progestin binding could be demonstrated. A pregnenolone binder, that was found to be present in the male copulatory organ, was further studied. It showed a dissociation constant of 4.4 (+/- 1.6) X 10(-8) M. This is the first report of a nonecdysteroid steroid-binding factor in an insect tissue.

journal_name

Gen Comp Endocrinol

journal_title

General and comparative endocrinology

authors

Paesen G,Novak F,Swevers L,De Clerck D,De Loof A

doi

10.1016/0016-6480(88)90162-1

subject

Has Abstract

pub_date

1988-12-01 00:00:00

pages

402-7

issue

3

eissn

0016-6480

issn

1095-6840

journal_volume

72

pub_type

杂志文章

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