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The Somatotrophic Axis and the Reproductive Process in Health and Disease (Paperback, Softcover reprint of the original 1st ed. 1995)
Loot Price: R1,479
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The Somatotrophic Axis and the Reproductive Process in Health and Disease (Paperback, Softcover reprint of the original 1st ed. 1995)
Series: Serono Symposia USA
Expected to ship within 10 - 15 working days
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For many years now, our understanding of the somatotrophic and
reproduc tive axes has evolved essentially independently, both
fields of study reaching a highly advanced, although far from
complete, level of under standing. Along the way, however, it
became apparent that in some circumstances the reproductive and
somatotrophic axes may be inter dependent. Inklings to this effect
were at times feeble and at other times more convincing. Among
those inklings are the clinical recognition by pediatric
endocrinologists of the apparent association between isolated GH
deficiency and delayed puberty, as well as of the apparent
permissive, pUberty-promoting property of GH. Equally important is
a body of experi mental studies establishing the ovary of multiple
species as a site of GH reception and action. Arguing against an
essential role for GH in the reproductive process is the
observation that individuals who have GH resistance of the Laron
variety are fertile arid that isolated GH deficiency does not
constitute an absolute barrier to the attainment of sexual
maturation and fertility. The intraovarian insulin-like growth
factor (IGF) hypothesis proposes that IGFs may serve as amplifiers
of gonadotropin action. Although the dependence of intraovarian
IGFs on systemic GH action has never been unequivocally
demonstrated, that leap of faith has often been made. The
intraovarian IGF hypothesis serves as the rationale for the
adjunctive use of GH in the induction of ovulation."
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