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Animal models of multiple endocrine neoplasia.

Mol. Cell. Endocrinol. 421, 49-59 (2015)
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Multiple endocrine neoplasia (MEN) syndromes are autosomal dominant diseases with high penetrance characterized by proliferative lesions (usually hyperplasia or adenoma) arising in at least two endocrine tissues. Four different MEN syndromes have been so far identified: MEN type 1 (MEN1), MEN2A (also referred to as MEN2), MEN2B (or MEN3) and MEN4, which have slightly varying tumor spectra and are caused by mutations in different genes. MEN1 associates with loss-of-function mutations in the MEN1 gene encoding the tumor suppressor menin. The MEN2A and MEN2B syndromes are due to activating mutations in the proto-oncogene RET (Rearranged in Transfection) and are characterized by different phenotypic features of the affected patients. MEN4 was the most recent addition to the family of the MEN syndromes. It was discovered less than 10 years ago thanks to studies of a rat strain that spontaneously develops multiple endocrine tumors (named MENX). These studies identified an inactivating mutation in the Cdkn1b gene, encoding the putative tumor suppressor p27, as the causative mutation of the rat syndrome. Subsequently, germline mutations in the human ortholog CDKN1B were also found in a subset of patients with a MEN-like phenotype and this led to the identification of MEN4. Small animal models have been instrumental in understanding important biochemical, physiological and pathological processes of cancer onset and spread in intact living organisms. Moreover, they have provided us with insight into gene function(s) and molecular mechanisms of disease progression. We here review the currently available animal models of MEN syndromes and their impact on the elucidation of the pathophysiology of these diseases, with a special focus on the rat MENX syndrome that we have been characterizing.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Multiple Endocrine Neoplasia Syndromes ; Endocrine Neoplasia ; Endocrine Tumors ; Menin ; P27 ; Ret; Genotype-phenotype Correlation; Medullary-thyroid Carcinoma; Ret-mutation-consortium; Mouse Men1 Gene; Type-1 Men1; Transgenic Mice; Embryonic Lethality; Pituitary-adenomas; Clinical-practice; Cell Hyperplasia
ISSN (print) / ISBN 0303-7207
e-ISSN 1872-8057
Quellenangaben Band: 421, Heft: , Seiten: 49-59 Artikelnummer: , Supplement: ,
Verlag Elsevier
Verlagsort Shannon
Begutachtungsstatus Peer reviewed