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McGowan, K.A. ; Li, J.Z. ; Park, C.Y. ; Beaudry, V. ; Tabor, H.K. ; Sabnis, A.J. ; Zhang, W. ; Fuchs, H. ; Hrabě de Angelis, M. ; Myers, R.M. ; Attardi, L.D. ; Barsh, G.S.

Ribosomal mutations cause p53-mediated dark skin and pleiotropic effects.

Nat. Genet. 40, 963-970 (2008)
DOI
Open Access Green as soon as Postprint is submitted to ZB.
Mutations in genes encoding ribosomal proteins cause the Minute phenotype in Drosophila and mice, and Diamond-Blackfan syndrome in humans. Here we report two mouse dark skin (Dsk) loci caused by mutations in Rps19 (ribosomal protein S19) and Rps20 (ribosomal protein S20). We identify a common pathophysiologic program in which p53 stabilization stimulates Kit ligand expression, and, consequently, epidermal melanocytosis via a paracrine mechanism. Accumulation of p53 also causes reduced body size and erythrocyte count. These results provide a mechanistic explanation for the diverse collection of phenotypes that accompany reduced dosage of genes encoding ribosomal proteins, and have implications for understanding normal human variation and human disease.
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Publication type Article: Journal article
Document type Scientific Article
Corresponding Author
ISSN (print) / ISBN 1061-4036
e-ISSN 1546-1718
Journal Nature Genetics
Quellenangaben Volume: 40, Issue: 8, Pages: 963-970 Article Number: , Supplement: ,
Publisher Nature Publishing Group
Publishing Place New York, NY
Non-patent literature Publications
Reviewing status Peer reviewed
Institute(s) Institute of Experimental Genetics (IEG)