The placenta is a transient organ that forms during pregnancy to support the growth and
development of the fetus. During human placental development, trophoblast cells …

Activins are dimeric glycoproteins belonging to the transforming growth factor beta
superfamily and resulting from the assembly of two beta subunits, which may also be …

Introduction T HE pituitary gonadotropins, LH and FSH, play a central role in the mammalian
reproductive process. Synthesized in the gonadotropes of the pituitary, the gonadotropins …

I. Introduction The concept that proteins, in addition to steroid hormones, of gonadal origin
could play a role in the inhibition of gonadatropin secretion from the anterior lobe of the …

A histologic and immunocytochemical study of 69 autopsy-obtained pituitaries from women
who died during pregnancy, after abortion, or in the postpartum period revealed an …

The S1-nuclease analysis was used to investigate the pattern of inhibin expression in the
rat. In a first series of experiments, expression of the alpha, beta A, and beta B subunits of …

I. Introduction D uring the last 15 years our concepts of the role and functioning of
intrauterine tissues during human pregnancy have been changing. While initially considered …

ABSTRACT A coordinated sequence of events must occur in order to establish and
successfully maintain a healthy pregnancy. Synchrony between the development of the …

Inhibin and activin are members of the TGFβ superfamily of growth and differentiation
factors. They were first identified as gonadal-derived regulators of pituitary FSH and were …

The role of inhibin and activin in the initiation of follicular development, growth, and atresia
was examined. Human recombinant inhibin (1 μg) was unilaterally injected into the ovarian …