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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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Detection of a cystic fibrosis modifier locus for meconium ileus on human chromosome 19q13. 总被引:14,自引:0,他引:14
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Introduction Intheposttreatmentofchoppedfibreproduction,the thirddraftingrollerandtensionheat settingrolleroftenwere tangledbybrokentowforthereasonofhighspeed,hightemperatureofrollersurface,orotheradditionalforeign factors.While,thetworollerswerekeysegmentinthewhole technology.Itwouldleadtooneormoredrumcavedin,and eventobediscardediftheequipmenthadnotbeenstoppedintime.Usually,suchaccidentwouldbringgreatloss,what wouldnotbegotback.Sothetotalsetofequipmentrequiredthatdetectormusthavegoodperfo… 相似文献
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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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本文对计算机辅助鉴定技术在海洋浮游植物分类鉴定中的应用进行了探讨,总结了不同技术的特点,并在总结计算机辅助鉴定技术在海洋浮游植物分类鉴定方面应用现状的基础上,对其发展前景做出了展望。 相似文献
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Zenker M Mayerle J Lerch MM Tagariello A Zerres K Durie PR Beier M Hülskamp G Guzman C Rehder H Beemer FA Hamel B Vanlieferinghen P Gershoni-Baruch R Vieira MW Dumic M Auslender R Gil-da-Silva-Lopes VL Steinlicht S Rauh M Shalev SA Thiel C Ekici AB Winterpacht A Kwon YT Varshavsky A Reis A 《Nature genetics》2005,37(12):1345-1350
Johanson-Blizzard syndrome (OMIM 243800) is an autosomal recessive disorder that includes congenital exocrine pancreatic insufficiency, multiple malformations such as nasal wing aplasia, and frequent mental retardation. We mapped the disease-associated locus to chromosome 15q14-21.1 and identified mutations, mostly truncating ones, in the gene UBR1 in 12 unrelated families with Johanson-Blizzard syndrome. UBR1 encodes one of at least four functionally overlapping E3 ubiquitin ligases of the N-end rule pathway, a conserved proteolytic system whose substrates include proteins with destabilizing N-terminal residues. Pancreas of individuals with Johanson-Blizzard syndrome did not express UBR1 and had intrauterine-onset destructive pancreatitis. In addition, we found that Ubr1(-/-) mice, whose previously reported phenotypes include reduced weight and behavioral abnormalities, had an exocrine pancreatic insufficiency, with impaired stimulus-secretion coupling and increased susceptibility to pancreatic injury. Our findings indicate that deficiency of UBR1 perturbs the pancreas' acinar cells and other organs, presumably owing to metabolic stabilization of specific substrates of the N-end rule pathway. 相似文献
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Mutations in SBDS are associated with Shwachman-Diamond syndrome 总被引:17,自引:0,他引:17
Boocock GR Morrison JA Popovic M Richards N Ellis L Durie PR Rommens JM 《Nature genetics》2003,33(1):97-101
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