The Ret proto-oncogene in the WAG/Rij rat strain: an animal model for inherited C-cell carcinoma?

WAG/Rij rat strain has been suggested as an animal model for the study of inherited human medullary thyroid carcinoma (MTC), due to its high incidence of spontaneous C-cell thyroid tumours. Although the role of the Ret proto-oncogene mutations, as responsible for human MTC, is well established, noth...

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Veröffentlicht in:Laboratory animals (London) 2003-07, Vol.37 (3), p.215-221
Hauptverfasser: De Miguel, M, Fernández-Santos, J M, Trigo-Sánchez, I, Matera, I, Ceccherini, I, Martín, I, Romeo, G, Galera-Davidson, H
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container_end_page 221
container_issue 3
container_start_page 215
container_title Laboratory animals (London)
container_volume 37
creator De Miguel, M
Fernández-Santos, J M
Trigo-Sánchez, I
Matera, I
Ceccherini, I
Martín, I
Romeo, G
Galera-Davidson, H
description WAG/Rij rat strain has been suggested as an animal model for the study of inherited human medullary thyroid carcinoma (MTC), due to its high incidence of spontaneous C-cell thyroid tumours. Although the role of the Ret proto-oncogene mutations, as responsible for human MTC, is well established, nothing has been published concerning this putative animal model. Based upon the previously reported rat Ret sequence, exons 10, 11, 13, 14, 15, and 16, known to carry activating mutations in humans, have been analysed in the WAG/Rij rat by PCR, single strand conformational polymorphism (SSCP) and direct sequencing. Neither the germline nor MTC samples showed any Ret sequence difference in the exons when analysed in comparison to a non-MTC-susceptible rat strain. Our results indicate that Ret exons relevant in humans are not involved in WAG/Rij rat MTC, as expected, and this questions the validity of this strain as a model for the human disease, and suggests there must be additional mechanisms for the genesis and progression of rat MTC.
doi_str_mv 10.1258/002367703766453065
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Although the role of the Ret proto-oncogene mutations, as responsible for human MTC, is well established, nothing has been published concerning this putative animal model. Based upon the previously reported rat Ret sequence, exons 10, 11, 13, 14, 15, and 16, known to carry activating mutations in humans, have been analysed in the WAG/Rij rat by PCR, single strand conformational polymorphism (SSCP) and direct sequencing. Neither the germline nor MTC samples showed any Ret sequence difference in the exons when analysed in comparison to a non-MTC-susceptible rat strain. 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Our results indicate that Ret exons relevant in humans are not involved in WAG/Rij rat MTC, as expected, and this questions the validity of this strain as a model for the human disease, and suggests there must be additional mechanisms for the genesis and progression of rat MTC.</abstract><cop>London, England</cop><pub>SAGE Publications</pub><pmid>12869284</pmid><doi>10.1258/002367703766453065</doi><tpages>7</tpages></addata></record>
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subjects Animals
Carcinoma, Medullary - genetics
Disease Models, Animal
Exons
Female
Germ-Line Mutation
Humans
Male
Mutation
Polymerase Chain Reaction
Polymorphism, Single-Stranded Conformational
Proto-Oncogene Proteins - genetics
Proto-Oncogene Proteins c-ret
Rats
Rats, Mutant Strains
Rats, Sprague-Dawley
Receptor Protein-Tyrosine Kinases - genetics
Sequence Alignment
Thyroid Neoplasms - genetics
title The Ret proto-oncogene in the WAG/Rij rat strain: an animal model for inherited C-cell carcinoma?
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