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Wright FA Strug LJ Doshi VK Commander CW Blackman SM Sun L Berthiaume Y Cutler D Cojocaru A Collaco JM Corey M Dorfman R Goddard K Green D Kent JW Lange EM Lee S Li W Luo J Mayhew GM Naughton KM Pace RG Paré P Rommens JM Sandford A Stonebraker JR Sun W Taylor C Vanscoy LL Zou F Blangero J Zielenski J O'Neal WK Drumm ML Durie PR Knowles MR Cutting GR 《Nature genetics》2011,43(6):539-546
A combined genome-wide association and linkage study was used to identify loci causing variation in cystic fibrosis lung disease severity. We identified a significant association (P = 3.34 × 10(-8)) near EHF and APIP (chr11p13) in p.Phe508del homozygotes (n = 1,978). The association replicated in p.Phe508del homozygotes (P = 0.006) from a separate family based study (n = 557), with P = 1.49 × 10(-9) for the three-study joint meta-analysis. Linkage analysis of 486 sibling pairs from the family based study identified a significant quantitative trait locus on chromosome 20q13.2 (log(10) odds = 5.03). Our findings provide insight into the causes of variation in lung disease severity in cystic fibrosis and suggest new therapeutic targets for this life-limiting disorder. 相似文献
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Separation of the alpha and beta-chains of human hemoglobin 总被引:8,自引:0,他引:8
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Sun L Rommens JM Corvol H Li W Li X Chiang TA Lin F Dorfman R Busson PF Parekh RV Zelenika D Blackman SM Corey M Doshi VK Henderson L Naughton KM O'Neal WK Pace RG Stonebraker JR Wood SD Wright FA Zielenski J Clement A Drumm ML Boëlle PY Cutting GR Knowles MR Durie PR Strug LJ 《Nature genetics》2012,44(5):562-569
Variants associated with meconium ileus in cystic fibrosis were identified in 3,763 affected individuals by genome-wide association study (GWAS). Five SNPs at two loci near SLC6A14 at Xq23-24 (minimum P = 1.28 × 10(-12) at rs3788766) and SLC26A9 at 1q32.1 (minimum P = 9.88 × 10(-9) at rs4077468) accounted for ~5% of phenotypic variability and were replicated in an independent sample of affected individuals (n = 2,372; P = 0.001 and 0.0001, respectively). By incorporating the knowledge that disease-causing mutations in CFTR alter electrolyte and fluid flux across surface epithelium into a hypothesis-driven GWAS (GWAS-HD), we identified associations with the same SNPs in SLC6A14 and SLC26A9 and established evidence for the involvement of SNPs in a third solute carrier gene, SLC9A3. In addition, GWAS-HD provided evidence of association between meconium ileus and multiple genes encoding constituents of the apical plasma membrane where CFTR resides (P = 0.0002; testing of 155 apical membrane genes jointly and in replication, P = 0.022). These findings suggest that modulating activities of apical membrane constituents could complement current therapeutic paradigms for cystic fibrosis. 相似文献
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