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Development and descent of the testis in relation to cryptorchidism

Helena E Virtanen, Dina Cortes, Ewa Rajpert-De Meyts, E Martin Ritzén, Agneta Nordenskjöld, Niels E Skakkebaek, Jorma Toppari

Research output: Contribution to journalJournal articleResearchpeer-review

88 Citations (Scopus)

Abstract

The testis descends in two phases. Animal studies suggest, that the transabdominal descent of the testis depends on the insulin-like hormone 3 (INSL3). Androgens are important in the inguinoscrotal testicular descent in animals and humans. In general, the cause of cryptorchidism is unknown and the aetiology is possibly multifactorial. Histological changes in cryptorchid testes demonstrate disturbed development. Conclusion: Since testicular descent is regulated by testis-derived hormones, cryptorchidism may reflect a functional defect of the testis.
Original languageEnglish
JournalActa Paediatrica
Volume96
Issue number5
Pages (from-to)622-7
Number of pages6
ISSN0803-5253
DOIs
Publication statusPublished - 1 May 2007

Keywords

  • Animals
  • Cell Differentiation
  • Child
  • Cryptorchidism
  • Humans
  • Infant
  • Insulin
  • Leydig Cells
  • Male
  • Models, Animal
  • Proteins
  • Testis

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