[The RET gene in thyroid pathology].
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| Abstract |
The RET proto-oncogene encodes a receptor tyrosine kinase which plays a crucial role during the embryonic development of the enteric nervous system and of the kidney. Cytogenetic analyses of papillary thyroid carcinoma (PTC), a neoplasm which originates from thyrocytes, have revealed that somatic rearrangements of the RET gene are involved in the etiology of a significant proportion of this tumour. Medullary thyroid carcinoma (MTC) which arises from neural-crest derived C-cells is the cardinal disease feature of multiple endocrine neoplasia type 2 (MEN 2), a dominantly inherited cancer syndrome. Recent studies have provided evidence that germline mutations of the RET gene are the underlying genetic events responsible for MEN 2. This review focuses on the role of RET mutations in the pathogenesis of PTC and MTC and summarizes our present knowledge on the consequences of these alterations on the RET tyrosine kinase function. We further describe a transgenic mouse model for hereditary MTC. Mice carrying a MEN 2A allele of RET under the control of the CGRP/calcitonin promoter develop bilateral and multifocal MTC, morphologically and biologically similar to human MTC.
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| Authors | F M Michiels, M Billaud |
| Journal | Archives d'anatomie et de cytologie pathologiques (Arch Anat Cytol Pathol) Vol. 46 Issue 1-2 Pg. 19-30 ( 1998) ISSN: 0395-501X [Print] France |
| Vernacular Title | Le gène RET en pathologie thyroïdienne. |
| PMID | 9754357 (Publication Type: Journal Article, Review) |
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