Inherited disorders of the gonadotropin hormones

John C. Achermann, Jeffrey Weiss, Eun Jig Lee, J. Larry Jameson

Research output: Contribution to journalReview articlepeer-review

59 Scopus citations


Pulsatile GnRH acts at the GnRH receptor on gonadotropes to stimulate gonadotropin gene expression, hormone synthesis and secretion. The pituitary gonadotropins, LH and FSH, stimulate steroid production and gametogenesis in males and in females. Gonadotropin production thus requires the normal development and function of hypothalamic GnRH-producing neurons and pituitary gonadotrope cells. Genes involved in gonadotrope development and/or gene expression include SF1, DAX1, KAL, GNRHR, PC1, HESX1, LHX3, PROP1, LHβ, and FSHβ. Given the complex control of gonadotropin biosynthesis and secretion, it is not surprising that genetic abnormalities have been identified at several of these steps. Some of the mutations that will be reviewed include: (1) SF1 and DAX1-orphan nuclear receptors that are expressed at multiple levels throughout the reproductive axis; (2) KAL-X-linked Kallmann syndrome, where there is abnormal development of hypothalamic GnRH-producing neurons; (3) PC1-causing abnormal processing of GnRH and GNRHR mutations that impair action at the GnRH receptor; (4) HESX1, LHX3, PROP1-abnormal development/function of the gonadotrope cell lineage; (5) LHβ and FSHβ-mutations in the gonadotropin genes that cause structural abnormalities in the hormones. Although all of these gene defects lead to gonadotropin deficiency, each disorder is associated with unique phenotypic or hormonal features. Characterization of the molecular basis of gonadotropin deficiency is useful for directing therapy and for genetic counseling. Identification of these mutations also provides insight into the pathways that govern reproduction.

Original languageEnglish (US)
Pages (from-to)89-96
Number of pages8
JournalMolecular and Cellular Endocrinology
Issue number1-2
StatePublished - Jun 20 2001


  • DAX-1
  • GnRH
  • Gonadotropins
  • Kallmann
  • Pituitary
  • Reproduction
  • SF-1

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Endocrinology


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