ANKRD55 and DHCR7 are novel multiple sclerosis risk loci

被引:35
作者
Alloza, I. [1 ]
Otaegui, D. [2 ]
Lopez de Lapuente, A. [1 ]
Antigueedad, A. [3 ]
Varade, J. [4 ]
Nunez, C. [4 ]
Arroyo, R. [5 ]
Urcelay, E. [4 ]
Fernandez, O. [6 ,7 ]
Leyva, L. [6 ,7 ]
Fedetz, M. [8 ]
Izquierdo, G. [9 ]
Lucas, M. [10 ]
Oliver-Martos, B. [6 ,7 ]
Alcina, A. [8 ]
Saiz, A. [11 ]
Blanco, Y. [11 ]
Comabella, M. [12 ]
Montalban, X. [12 ]
Olascoaga, J. [13 ]
Matesanz, F. [8 ,9 ]
Vandenbroeck, K. [1 ,14 ]
机构
[1] Univ Basque Country UPV EHU, Dept Neurosci, Neurogenomiks Lab, Leioa, Spain
[2] Inst Invest Sanitaria Biodonostia, Area Neurociencias, San Sebastian, Spain
[3] Hosp Basurto, Serv Neurol, Bilbao, Spain
[4] Inst Invest Sanitaria San Carlos, Hosp Clin San Carlos, Dept Immunol, Madrid, Spain
[5] Inst Invest Sanitaria San Carlos, Neurol Dept H Clin S Carlos, Multiple Sclerosis Unit, Madrid, Spain
[6] Hosp Reg Univ Carlos Haya Malaga, Inst Neurociencias Clin, Serv Neurol, Malaga, Spain
[7] Hosp Reg Univ Carlos Haya Malaga, Inst Neurociencias Clin, Lab Invest, Malaga, Spain
[8] CSIC, Inst Parasitol & Biomed LopezNeyra, Granada, Spain
[9] Hosp Virgen Macarena, Unidad Esclerosis Multiple, Seville, Spain
[10] Hosp Virgen Macarena, Serv Biol Mol, Seville, Spain
[11] Hosp Clin & Inst Invest Biomed Pi & Sunyer, Neurol Serv, Barcelona, Spain
[12] Hosp Univ Vall dHebron, Unitat Neuroimmunol Clin, CEM Cat, Ctr Esclerosi Multiple Catalunya, Barcelona, Spain
[13] Hosp Donostia, Unidad Esclerosis Multiple, Serv Neurol, San Sebastian, Spain
[14] Basque Fdn Sci, IKERBASQUE, Bilbao, Spain
关键词
multiple sclerosis; polymorphism; susceptibility; ANKRD55; DHCR7; vitamin D; GENOME-WIDE ASSOCIATION; VITAMIN-D; SUSCEPTIBILITY LOCI; VARIANTS; DISEASE; GENE; POLYMORPHISMS; REPLICATION; IDENTIFICATION; PATHWAY;
D O I
10.1038/gene.2011.81
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
Multiple sclerosis (MS) shares some risk genes with other disorders hallmarked by an autoimmune pathogenesis, most notably IL2RA and CLEC16A. We analyzed 10 single-nucleotide polymorphisms (SNPs) in nine risk genes, which recently emerged from a series of non-MS genome-wide association studies (GWAS), in a Spanish cohort comprising 2895 MS patients and 2942 controls. We identified two SNPs associated with MS. The first SNP, rs6859219, located in ANKRD55 (Chr5), was recently discovered in a meta-analysis of GWAS on rheumatoid arthritis (RA), and emerged from this study with genome-wide significance (odds ratio (OR) = 1.35; P = 2.3 x 10(-9)). The second SNP, rs12785878, is located near DHCR7 (Chr11), a genetic determinant of vitamin D insufficiency, and showed a size effect in MS similar to that recently observed in Type 1 diabetes (T1D; OR = 1.10; P=0.009). ANKRD55 is a gene of unknown function, and is flanked proximally by the IL6ST-IL31RA gene cluster. However, rs6859219 did not show correlation with a series of haplotype-tagging SNPs covering IL6ST-IL31RA, analyzed in a subset of our dataset (D' < 0.31; r(2) < 0.011). Our results expand the number of risk genes shared between MS, RA and T1D.
引用
收藏
页码:253 / 257
页数:5
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