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Pellegata, N.S. ; Quintanilla-Martinez, L. ; Siggelkow, H.* ; Samson, E. ; Bink, K. ; Höfler, H. ; Fend, F.* ; Graw, J. ; Atkinson, M.J.*

Germ-line mutations in p27Kip1 cause a multiple endocrine neoplasia syndrome in rats and humans.

Proc. Natl. Acad. Sci. U.S.A. 103, 15558-15563 (2006)
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MENX is a recessive multiple endocrine neoplasia-like syndrome in the rat. The tumor spectrum in MENX overlaps those of human multiple endocrine neoplasia (MEN) types 1 and 2. We mapped the MenX locus to the distal part of rat chromosome 4, excluding the homologs of the genes responsible for the MEN syndromes (RET and MEN1) and syndromes with an endocrine tumor component (VHL and NF1). We report the fine mapping of the disease locus and the identification of a homozygous frameshift mutation in Cdkn1b, encoding the cyclin-dependent kinase inhibitor p27(Kip1). As a consequence of the mutation, MENX-affected rats show dramatic reduction in p27(Kip1) protein. We have identified a germ-line nonsense mutation in the human CDKN1B gene in a MEN1 mutation-negative patient presenting with pituitary and parathyroid tumors. Expanded pedigree analysis shows that the mutation is associated with the development of an MEN1-like phenotype in multiple generations. Our findings demonstrate that germ-line mutations in p27(Kip1) can predispose to the development of multiple endocrine tumors in both rats and humans.
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Publication type Article: Journal article
Document type Scientific Article
Keywords cancer; tumor suppression; cyclin-dependent kinase inhibitor; PITUITARY-TUMORS; MICE LACKING; GENE; GROWTH; EXPRESSION; FEATURES; TYPE-1; MALIGNANCIES; HYPERPLASIA; INHIBITORS
Language english
Publication Year 2006
HGF-reported in Year 2006
ISSN (print) / ISBN 0027-8424
e-ISSN 1091-6490
Quellenangaben Volume: 103, Issue: 42, Pages: 15558-15563 Article Number: , Supplement: ,
Publisher National Academy of Sciences
Reviewing status Peer reviewed
POF-Topic(s)
30204 - Cell Programming and Repair
Research field(s) Enabling and Novel Technologies
Genetics and Epidemiology
PSP Element(s) FE 70332
G-500500-002
PubMed ID 17030811
Scopus ID 33750361636
Erfassungsdatum 2006-10-24