Abstract
A genome-wide association scan of ∼6.6 million genotyped or imputed variants in 882 Sardinian individuals with multiple sclerosis (cases) and 872 controls suggested association of CBLB gene variants with disease, which was confirmed in 1,775 cases and 2,005 controls (rs9657904, overall P = 1.60 × 10−10, OR = 1.40). CBLB encodes a negative regulator of adaptive immune responses, and mice lacking the ortholog are prone to experimental autoimmune encephalomyelitis, the animal model of multiple sclerosis.
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Acknowledgements
This study was supported by the Fondazione Italiana Sclerosi Multipla (FISM) Cod. 2008/R/7 to F.C., by the Italian Ministry of Scientific Research (MIUR grant 2007KXNKNP) and by US National Institutes of Health contract NO1-AG-1-2109 from National Institute of Aging (NIA) to the SardiNIA ('ProgeNIA') team. The contributions of G.R.A., Y.L. and L.L. were supported in part by NIH grants HG002651, HG005214 and MH084698.
We thank all the cases and controls who made this research possible; J. Todd for a critical revision of the manuscript and helpful suggestions; A. Cao for his continuous help and support; D. Longo, D. Taub, S. Naitza, L. Crisponi, M. Congia, C. Jones, P. Zanella, R. Tirler, L. Leoni, R. Cusano, R. Lampis, V. Orrù, F. Coraddu, J. Foster, M. Luiu, L. Davolio Marani, S. Solveig Fois and M. Arru for help and advice; J. Frau, L. Lorefice, G. Coghe, G. Fenu, L. Mannu, P. Cossu, W. Satta, I. Pirastru, S. Leoni and C. Buscarinu for collaboration in the collection of MS cases; and W. Garau and F. Virdis, along with the personnel of the blood donor centers of Cagliari and Sassari, for their help in the collection of the controls. We are grateful for the important computing resources made available for the imputation and analysis by the CRS4 Computing Cluster in Pula (Cagliari, Italy).
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Sanna, S., Pitzalis, M., Zoledziewska, M. et al. Variants within the immunoregulatory CBLB gene are associated with multiple sclerosis. Nat Genet 42, 495–497 (2010). https://doi.org/10.1038/ng.584
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DOI: https://doi.org/10.1038/ng.584
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