Now showing items 1-17 of 17

    • Analyzing networks of phenotypes in complex diseases: methodology and applications in COPD 

      Chu, Jen-hwa; Hersh, Craig P; Castaldi, Peter J; Cho, Michael H; Raby, Benjamin A; Laird, Nan; Bowler, Russell; Rennard, Stephen; Loscalzo, Joseph; Quackenbush, John; Silverman, Edwin K (BioMed Central, 2014)
      Background: The investigation of complex disease heterogeneity has been challenging. Here, we introduce a network-based approach, using partial correlations, that analyzes the relationships among multiple disease-related ...
    • Cluster analysis in severe emphysema subjects using phenotype and genotype data: an exploratory investigation 

      Cho, Michael Hyosang; Washko, George Richard; Hoffmann, Thomas J; Criner, Gerard J; Hoffman, Eric A; Martinez, Fernando J; Laird, Nan M.; Reilly, John; Silverman, Edwin Kepner (BioMed Central, 2010)
      Background: Numerous studies have demonstrated associations between genetic markers and COPD, but results have been inconsistent. One reason may be heterogeneity in disease definition. Unsupervised learning approaches may ...
    • Combining Effects from Rare and Common Genetic Variants in an Exome-Wide Association Study of Sequence Data 

      Aschard, Hugues; Qiu, Weiliang; Pasaniuc, Bogdan; Zaitlen, Noah; Cho, Michael Hyosang; Carey, Vincent James (BioMed Central, 2011)
      Recent breakthroughs in next-generation sequencing technologies allow cost-effective methods for measuring a growing list of cellular properties, including DNA sequence and structural variation. Next-generation sequencing ...
    • Common Genetic Polymorphisms Influence Blood Biomarker Measurements in COPD 

      Sun, Wei; Kechris, Katerina; Jacobson, Sean; Drummond, M. Bradley; Hawkins, Gregory A.; Yang, Jenny; Chen, Ting-huei; Quibrera, Pedro Miguel; Anderson, Wayne; Barr, R. Graham; Basta, Patricia V.; Bleecker, Eugene R.; Beaty, Terri; Casaburi, Richard; Castaldi, Peter; Cho, Michael H.; Comellas, Alejandro; Crapo, James D.; Criner, Gerard; Demeo, Dawn; Christenson, Stephanie A.; Couper, David J.; Curtis, Jeffrey L.; Doerschuk, Claire M.; Freeman, Christine M.; Gouskova, Natalia A.; Han, MeiLan K.; Hanania, Nicola A.; Hansel, Nadia N.; Hersh, Craig P.; Hoffman, Eric A.; Kaner, Robert J.; Kanner, Richard E.; Kleerup, Eric C.; Lutz, Sharon; Martinez, Fernando J.; Meyers, Deborah A.; Peters, Stephen P.; Regan, Elizabeth A.; Rennard, Stephen I.; Scholand, Mary Beth; Silverman, Edwin K.; Woodruff, Prescott G.; O’Neal, Wanda K.; Bowler, Russell P. (Public Library of Science, 2016)
      Implementing precision medicine for complex diseases such as chronic obstructive lung disease (COPD) will require extensive use of biomarkers and an in-depth understanding of how genetic, epigenetic, and environmental ...
    • A comparative analysis of family-based and population-based association tests using whole genome sequence data 

      Zhou, Jin J; Yip, Wai-Ki; Cho, Michael H; Qiao, Dandi; McDonald, Merry-Lynn N; Laird, Nan M (BioMed Central, 2014)
      The revolution in next-generation sequencing has made obtaining both common and rare high-quality sequence variants across the entire genome feasible. Because researchers are now faced with the analytical challenges of ...
    • A diVIsive Shuffling Approach (VIStA) for gene expression analysis to identify subtypes in Chronic Obstructive Pulmonary Disease 

      Menche, Jörg; Sharma, Amitabh; Cho, Michael H; Mayer, Ruth J; Rennard, Stephen I; Celli, Bartolome; Miller, Bruce E; Locantore, Nick; Tal-Singer, Ruth; Ghosh, Soumitra; Larminie, Chris; Bradley, Glyn; Riley, John H; Agusti, Alvar; Silverman, Edwin K; Barabási, Albert-László (BioMed Central, 2014)
      Background: An important step toward understanding the biological mechanisms underlying a complex disease is a refined understanding of its clinical heterogeneity. Relating clinical and molecular differences may allow us ...
    • Folliculin Mutations Are Not Associated with Severe COPD 

      Cho, Michael Hyosang; Klanderman, Barbara Jordan; Litonjua, Augusto Ampil; Sparrow, David; Silverman, Edwin Kepner; Raby, Benjamin Alexander (BioMed Central, 2008)
      Background: Rare loss-of-function folliculin (FLCN) mutations are the genetic cause of Birt-Hogg-Dubé syndrome, a monogenic disorder characterized by spontaneous pneumothorax, fibrofolliculomas, and kidney tumors. ...
    • Gene expression analysis uncovers novel hedgehog interacting protein (HHIP) effects in human bronchial epithelial cells 

      Zhou, Xiaobo; Qiu, Weiliang; Sathirapongsasuti, J. Fah; Cho, Michael Hyosang; Mancini, John D.; Lao, Taotao; Thibault, Derek M.; Litonjua, Augusto Ampil; Bakke, Per S.; Gulsvik, Amund; Lomas, David A.; Beaty, Terri H.; Hersh, Craig Palmer; Anderson, Christopher David; Geigenmuller, Ute; Raby, Benjamin Alexander; Rennard, Stephen I.; Perrella, Mark A.; Choi, Augustine M.K.; Quackenbush, John; Silverman, Edwin Kepner (Elsevier BV, 2013)
      Hedgehog Interacting Protein (HHIP) was implicated in chronic obstructive pulmonary disease (COPD) by genome-wide association studies (GWAS). However, it remains unclear how HHIP contributes to COPD pathogenesis. To identify ...
    • Genetic regulation of expression of leukotriene A4 hydrolase 

      Szul, Tomasz; Castaldi, Peter; Cho, Michael H.; Blalock, J. Edwin; Gaggar, Amit (European Respiratory Society, 2016)
      In chronic inflammatory lung disorders such as chronic obstructive pulmonary disease (COPD), the concurrent organ-specific and systemic inflammatory responses lead to airway remodelling and vascular dysfunction. Although ...
    • A Genome-wide analysis of the response to inhaled beta2-agonists in Chronic Obstructive Pulmonary Disease 

      Hardin, Megan; Cho, Michael H.; McDonald, Merry-Lynn; Wan, Emily; Lomas, David A.; Coxson, Harvey O.; MacNee, William; Vestbo, Jørgen; Yates, Julie C.; Agusti, Alvar; Calverley, Peter MA; Celli, Bartolome; Crim, Courtney; Rennard, Stephen; Wouters, Emiel; Bakke, Per; Bhatt, Surya P; Kim, Victor; Ramsdell, Joe; Regan, Elizabeth A.; Make, Barry J.; Hokanson, John E.; Crapo, James D.; Beaty, Terri H.; Hersh, Craig P. (2015)
      Short-acting β2-agonist bronchodilators are the most common medications used in treating chronic obstructive pulmonary disease (COPD). Genetic variants determining bronchodilator responsiveness (BDR) in COPD have not been ...
    • A genome-wide association study identifies risk loci for spirometric measures among smokers of European and African ancestry 

      Lutz, Sharon M.; Cho, Michael H.; Young, Kendra; Hersh, Craig P.; Castaldi, Peter J.; McDonald, Merry-Lynn; Regan, Elizabeth; Mattheisen, Manuel; DeMeo, Dawn L.; Parker, Margaret; Foreman, Marilyn; Make, Barry J.; Jensen, Robert L.; Casaburi, Richard; Lomas, David A.; Bhatt, Surya P.; Bakke, Per; Gulsvik, Amund; Crapo, James D.; Beaty, Terri H.; Laird, Nan M.; Lange, Christoph; Hokanson, John E.; Silverman, Edwin K. (BioMed Central, 2015)
      Background: Pulmonary function decline is a major contributor to morbidity and mortality among smokers. Post bronchodilator FEV1 and FEV1/FVC ratio are considered the standard assessment of airflow obstruction. We performed ...
    • Hemizygous Deletion on Chromosome 3p26.1 Is Associated with Heavy Smoking among African American Subjects in the COPDGene Study 

      Begum, Ferdouse; Ruczinski, Ingo; Hokanson, John E.; Lutz, Sharon M.; Parker, Margaret M.; Cho, Michael H.; Hetmanski, Jacqueline B.; Scharpf, Robert B.; Crapo, James D.; Silverman, Edwin K.; Beaty, Terri H. (Public Library of Science, 2016)
      Many well-powered genome-wide association studies have identified genetic determinants of self-reported smoking behaviors and measures of nicotine dependence, but most have not considered the role of structural variants, ...
    • Nitric oxide synthase polymorphisms, gene expression and lung function in chronic obstructive pulmonary disease 

      Aminuddin, Farzian; Hackett, Tillie-Louise; Stefanowicz, Dorota; Saferali, Aabida; Paré, Peter D; Gulsvik, Amund; Bakke, Per; Cho, Michael H; Litonjua, Augusto; Lomas, David A; Anderson, Wayne H; Beaty, Terri H; Silverman, Edwin K; Sandford, Andrew J (BioMed Central, 2013)
      Background: Due to the pleiotropic effects of nitric oxide (NO) within the lungs, it is likely that NO is a significant factor in the pathogenesis of chronic obstructive pulmonary disease (COPD). The aim of this study was ...
    • Opportunities and Challenges in the Genetics of COPD 2010: An International COPD Genetics Conference Report 

      Agusti, Alvar; Anderson, Wayne; Bakke, Per S; Barnes, Kathleen C; Barr, R Graham; Bleecker, Eugene R; Boezen, H Marike; Burkart, Kristin M; Cookson, William OC; Croxton, Thomas; Daley, Denise; Gan, Weiniu; Garcia-Aymerich, Judith; Hall, Ian P; Hansel, Nadia N; Kalsheker, Noor; Kiley, James P; Lambrechts, Diether; Lee, Sang-Do; Lomas, David A; London, Stephanie J; Nishimura, Masaharu; Postma, Dirkje S; Puhan, Milo A; Tesfaigzi, Yohannes; Tobin, Martin D; Vogelmeier, Claus; Wouters, Emiel; Ziegler-Heitbrock, Loems; MacNee, William; Crapo, James D; Vestbo, Jørgen; Silverman, Edwin Kepner; Cho, Michael Hyosang; Celli, Bartolome R; Demeo, Dawn Lisa; Hersh, Craig Palmer; Wilk, Jemma B; Nørdestgaard, Borge G.; Young, Robert P.; O'Donnell, Christopher J.; Kim, Woo Jin; Litonjua, Augusto Ampil (Informa Healthcare, 2011)
    • Patterns of Growth and Decline in Lung Function in Persistent Childhood Asthma 

      McGeachie, Michael John; Yates, Katherine; Zhou, Xiaobo; Guo, Feng; Sternberg, Alice L.; Van Natta, Mark L.; Wise, Robert A.; Szefler, Stanley J.; Sharma, Sunita; Kho, Alvin Thong-Juak; Cho, Michael Hyosang; Croteau-Chonka, Damien C; Castaldi, Peter Jose; Jain, Gaurav; Sanyal, Amartya; Zhan, Ye; Lajoie, Bryan R.; Dekker, Job; Stamatoyannopoulos, John; Covar, Ronina A.; Zeiger, Robert S.; Adkinson, N. Franklin; Williams, Paul; Kelly, H. William; Grasemann, Hartmut; Vonk, Judith M.; Koppelman, Gerard H.; Postma, Dirkje S.; Raby, Benjamin Alexander; Houston, Isaac Benjamin; Lu, Quan; Fuhlbrigge, Anne Louise; Tantisira, Kelan; Silverman, Edwin Kepner; Tonascia, James; Weiss, Scott Tillman; Strunk, Robert C. (New England Journal of Medicine (NEJM/MMS), 2016)
      BACKGROUND: Tracking longitudinal measurements of growth and decline in lung function in patients with persistent childhood asthma may reveal links between asthma and subsequent chronic airflow obstruction. METHODS: We ...
    • Susceptibility to Chronic Mucus Hypersecretion, a Genome Wide Association Study 

      Dijkstra, Akkelies E.; Smolonska, Joanna; van den Berge, Maarten; Wijmenga, Ciska; Zanen, Pieter; Luinge, Marjan A.; Platteel, Mathieu; Lammers, Jan-Willem; Dahlback, Magnus; Tosh, Kerrie; Hiemstra, Pieter S.; Sterk, Peter J.; Spira, Avi; Vestbo, Jorgen; Nordestgaard, Borge G.; Benn, Marianne; Nielsen, Sune F.; Dahl, Morten; Verschuren, W. Monique; Picavet, H. Susan J.; Smit, Henriette A.; Owsijewitsch, Michael; Kauczor, Hans U.; de Koning, Harry J.; Nizankowska-Mogilnicka, Eva; Mejza, Filip; Nastalek, Pawel; van Diemen, Cleo C.; Cho, Michael H.; Silverman, Edwin K.; Crapo, James D.; Beaty, Terri H.; Lomas, David A.; Bakke, Per; Gulsvik, Amund; Bossé, Yohan; Obeidat, M. A.; Loth, Daan W.; Lahousse, Lies; Rivadeneira, Fernando; Uitterlinden, Andre G.; Hofman, Andre; Stricker, Bruno H.; Brusselle, Guy G.; van Duijn, Cornelia M.; Brouwer, Uilke; Koppelman, Gerard H.; Vonk, Judith M.; Nawijn, Martijn C.; Groen, Harry J. M.; Timens, Wim; Boezen, H. Marike; Postma, Dirkje S. (Public Library of Science, 2014)
      Background: Chronic mucus hypersecretion (CMH) is associated with an increased frequency of respiratory infections, excess lung function decline, and increased hospitalisation and mortality rates in the general population. ...
    • Whole genome prediction and heritability of childhood asthma phenotypes 

      McGeachie, Michael J.; Clemmer, George L.; Croteau‐Chonka, Damien C.; Castaldi, Peter J.; Cho, Michael H.; Sordillo, Joanne E.; Lasky‐Su, Jessica A.; Raby, Benjamin A.; Tantisira, Kelan G.; Weiss, Scott T. (John Wiley and Sons Inc., 2016)
      Abstract Introduction: While whole genome prediction (WGP) methods have recently demonstrated successes in the prediction of complex genetic diseases, they have not yet been applied to asthma and related phenotypes. ...