RET-deficient mice: An animal model for Hirschsprung's disease and renal agenesis

A. Schuchardt, V. D'Agati, L. Larsson-Blomberg, F. Costantini, V. Pachnis

Research output: Contribution to journalArticlepeer-review

48 Scopus citations


Receptor tyrosine kinases play a critical role in transducing signals involved in cell growth and differentiation. The c-ret proto-oncogene is a member of the receptor tyrosine kinase gene superfamily originally identified by its transforming ability. Somatic mutations of c-ret are responsible for a large proportion of thyroid papillary carcinomas, while germ-line mutations are responsible for multiple endocrine neoplasia types 2A and 2B, dominantly inherited cancer syndromes characterized by multiple tumours of neuroectodermal origin. In addition to its role in tumour formation, c-ret is thought to have a developmental role since mutations of the gene have been implicated in the aetiology of Hirschsprung's syndrome (congenital megacolon). A targeted mutation in the murine c-ret locus shows that the ret receptor is required for normal development of two lineally unrelated systems, the excretory system and the enteric nervous system.

Original languageEnglish (US)
Pages (from-to)327-332
Number of pages6
JournalJournal of Internal Medicine
Issue number4
StatePublished - 1995


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