TY - JOUR
T1 - Germline CBL mutations cause developmental abnormalities and predispose to juvenile myelomonocytic Leukemia
AU - Niemeyer, Charlotte M.
AU - Kang, Michelle W.
AU - Shin, Danielle H.
AU - Furlan, Ingrid
AU - Erlacher, Miriam
AU - Bunin, Nancy J.
AU - Bunda, Severa
AU - Finklestein, Jerry Z.
AU - Sakamoto, Kathleen M.
AU - Gorr, Thomas A.
AU - Mehta, Parinda
AU - Schmid, Irene
AU - Kropshofer, Gabriele
AU - Corbacioglu, Selim
AU - Lang, Peter J.
AU - Klein, Christoph
AU - Schlegel, Paul Gerhard
AU - Heinzmann, Andrea
AU - Schneider, Michaela
AU - Starý, Jan
AU - van Heuvel-Eibrink, Marry M.Den
AU - Hasle, Henrik
AU - Locatelli, Franco
AU - Sakai, Debbie
AU - Archambeault, Sophie
AU - Chen, Leslie
AU - Russell, Ryan C.
AU - Sybingco, Stephanie S.
AU - Ohh, Michael
AU - Braun, Benjamin S.
AU - Flotho, Christian
AU - Loh, Mignon L.
N1 - Funding Information:
We gratefully acknowledge the generous participation of the families included in this report. Supported in part by the US National Institutes of Health (CA113557 to M.L.L.); the V Foundation for Cancer Research (M.L.L. and B.S.B.); NIH/NCI (K08 CA103868 to B.S.B., R01 CA104282 to M.L.L. and B.S.B.); The Leukemia Lymphoma Society (6059-09, 2157-08 to M.L.L.); the Frank A. Campini Foundation (M.L.L. and B.S.B.); The Concern Foundation (B.S.B.); Deutsche Forschungsgemeinschaft (KR3473/1-1 to C.F.); Deutsche Krebshilfe (108220 to C.M.N. and C.F.); Deutsche José Carreras Leukämie-Stiftung (R08/19 to C.F.); the Canadian Cancer Society (16056 to M.O.); and the National Institute of General Medical Sciences (T32GM007618 to D.H.S.). The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institute of General Medical Sciences or the National Institutes of Health.
PY - 2010/9/1
Y1 - 2010/9/1
N2 - CBL encodes a member of the Cbl family of proteins, which functions as an E3 ubiquitin ligase. We describe a dominant developmental disorder resulting from germline missense CBL mutations, which is characterized by impaired growth, developmental delay, cryptorchidism and a predisposition to juvenile myelomonocytic leukemia (JMML). Some individuals experienced spontaneous regression of their JMML but developed vasculitis later in life. Importantly, JMML specimens from affected children show loss of the normal CBL allele through acquired isodisomy. Consistent with these genetic data, the common p.371Y>H altered Cbl protein induces cytokine-independent growth and constitutive phosphorylation of ERK, AKT and S6 only in hematopoietic cells in which normal Cbl expression is reduced by RNA interference. We conclude that germline CBL mutations have developmental, tumorigenic and functional consequences that resemble disorders that are caused by hyperactive Ras/Raf/MEK/ERK signaling and include neurofibromatosis type 1, Noonan syndrome, Costello syndrome, cardiofaciocutaneous syndrome and Legius syndrome.
AB - CBL encodes a member of the Cbl family of proteins, which functions as an E3 ubiquitin ligase. We describe a dominant developmental disorder resulting from germline missense CBL mutations, which is characterized by impaired growth, developmental delay, cryptorchidism and a predisposition to juvenile myelomonocytic leukemia (JMML). Some individuals experienced spontaneous regression of their JMML but developed vasculitis later in life. Importantly, JMML specimens from affected children show loss of the normal CBL allele through acquired isodisomy. Consistent with these genetic data, the common p.371Y>H altered Cbl protein induces cytokine-independent growth and constitutive phosphorylation of ERK, AKT and S6 only in hematopoietic cells in which normal Cbl expression is reduced by RNA interference. We conclude that germline CBL mutations have developmental, tumorigenic and functional consequences that resemble disorders that are caused by hyperactive Ras/Raf/MEK/ERK signaling and include neurofibromatosis type 1, Noonan syndrome, Costello syndrome, cardiofaciocutaneous syndrome and Legius syndrome.
UR - http://www.scopus.com/inward/record.url?scp=84984935016&partnerID=8YFLogxK
U2 - 10.1038/ng.641
DO - 10.1038/ng.641
M3 - Article
C2 - 20694012
AN - SCOPUS:84984935016
SN - 1061-4036
VL - 42
SP - 641
JO - Nature Genetics
JF - Nature Genetics
IS - 9
ER -