Now showing items 1-20 of 22

    • Anti-citrullinated peptide autoantibodies, human leukocyte antigen shared epitope and risk of future rheumatoid arthritis: a nested case–control study 

      Arkema, Elizabeth V; Goldstein, Barbara L; Robinson, William; Sokolove, Jeremy; Wagner, Catriona A; Malspeis, Susan; Rosner, Bernard; Grodstein, Francine; Karlson, Elizabeth W; Costenbader, Karen H (BioMed Central, 2013)
      Introduction: The aim of this study was to characterize anti-citrullinated peptide antibody (ACPA) serostatus in pre-clinical rheumatoid arthritis (RA) with and without Human Leukocyte Antigen-Shared Epitope (HLA-SE) ...
    • Association between Residences in U.S. Northern Latitudes and Rheumatoid Arthritis: A Spatial Analysis of the Nurses’ Health Study 

      Vieira, Verónica M.; Hart, Jaime Elizabeth; Webster, Thomas F.; Weinberg, Janice; Puett, Robin; Laden, Francine; Costenbader, Karen Harte; Karlson, Elizabeth Wood (National Institute of Environmental Health Sciences, 2010)
      Background: The etiology of rheumatoid arthritis (RA) remains largely unknown, although epidemiologic studies suggest genetic and environmental factors may play a role. Geographic variation in incident RA has been observed ...
    • Automatic Prediction of Rheumatoid Arthritis Disease Activity from the Electronic Medical Records 

      Lin, Chen; Karlson, Elizabeth W.; Canhao, Helena; Miller, Timothy A.; Dligach, Dmitriy; Chen, Pei Jun; Perez, Raul Natanael Guzman; Shen, Yuanyan; Weinblatt, Michael E.; Shadick, Nancy A.; Plenge, Robert M.; Savova, Guergana K. (Public Library of Science, 2013)
      Objective: We aimed to mine the data in the Electronic Medical Record to automatically discover patients' Rheumatoid Arthritis disease activity at discrete rheumatology clinic visits. We cast the problem as a document ...
    • Development of phenotype algorithms using electronic medical records and incorporating natural language processing 

      Liao, Katherine P; Cai, Tianxi; Savova, Guergana K; Murphy, Shawn N; Karlson, Elizabeth W; Ananthakrishnan, Ashwin N; Gainer, Vivian S; Shaw, Stanley Y; Xia, Zongqi; Szolovits, Peter; Churchill, Susanne; Kohane, Isaac (BMJ Publishing Group Ltd., 2015)
      Electronic medical records are emerging as a major source of data for clinical and translational research studies, although phenotypes of interest need to be accurately defined first. This article provides an overview of ...
    • Dietary intake of vitamin D during adolescence and risk of adult onset systemic lupus erythematosus and rheumatoid arthritis 

      Hiraki, Linda T; Costenbader, Karen Harte; Munger, Kassandra Leigh; Karlson, Elizabeth Wood (BioMed Central, 2012)
    • An eMERGE Clinical Center at Partners Personalized Medicine 

      Smoller, Jordan W; Karlson, Elizabeth Wood; Green, Robert C; Kathiresan, Sekar; MacArthur, Daniel; Talkowski, Michael Edward; Murphy, Shawn Norman; Weiss, Scott Tillman (MDPI AG, 2016)
      The integration of electronic medical records (EMRs) and genomic research has become a major component of efforts to advance personalized and precision medicine. The Electronic Medical Records and Genomics (eMERGE) network, ...
    • Epstein–Barr Virus and Rheumatoid Arthritis: Is There a Link? 

      Costenbader, Karen Harte; Karlson, Elizabeth Wood (BioMed Central, 2006)
      Rheumatoid arthritis is a systemic autoimmune disease characterized by chronic, destructive, debilitating arthritis. Its etiology is unknown; it is presumed that environmental factors trigger development in the genetically ...
    • Exposure to Traffic Pollution and Increased Risk of Rheumatoid Arthritis 

      Hart, Jaime Elizabeth; Laden, Francine; Puett, Robin C.; Costenbader, Karen Harte; Karlson, Elizabeth Wood (National Institute of Environmental Health Sciences, 2009)
      Background: Rheumatoid arthritis (RA) is a chronic systemic inflammatory disease that affects approximately 1% of the adult population, and to date, genetic factors explain < 50% of the risk. Particulate air pollution, ...
    • Genetic polymorphisms in PTPN22, PADI-4, and CTLA-4 and risk for rheumatoid arthritis in two longitudinal cohort studies: evidence of gene-environment interactions with heavy cigarette smoking 

      Costenbader, Karen Harte; Chang, Shun-Chiao; De Vivo, Immaculata; Plenge, Robert M.; Karlson, Elizabeth Wood (BioMed Central, 2008)
      Introduction: PTPN22, PADI-4, and CTLA-4 have been associated with risk for rheumatoid arthritis (RA). We investigated whether polymorphisms in these genes were associated with RA in Caucasian women included in two large ...
    • Genetics of rheumatoid arthritis contributes to biology and drug discovery 

      Okada, Yukinori; Wu, Di; Trynka, Gosia; Raj, Towfique; Terao, Chikashi; Ikari, Katsunori; Kochi, Yuta; Ohmura, Koichiro; Suzuki, Akari; Yoshida, Shinji; Graham, Robert R.; Manoharan, Arun; Ortmann, Ward; Bhangale, Tushar; Denny, Joshua C.; Carroll, Robert J.; Eyler, Anne E.; Greenberg, Jeffrey D.; Kremer, Joel M.; Pappas, Dimitrios A.; Jiang, Lei; Yin, Jian; Ye, Lingying; Su, Ding-Feng; Yang, Jian; Xie, Gang; Keystone, Ed; Westra, Harm-Jan; Esko, Tõnu; Metspalu, Andres; Zhou, Xuezhong; Gupta, Namrata; Mirel, Daniel; Stahl, Eli A.; Diogo, Dorothée; Cui, Jing; Liao, Katherine; Guo, Michael H.; Myouzen, Keiko; Kawaguchi, Takahisa; Coenen, Marieke J.H.; van Riel, Piet L.C.M.; van de Laar, Mart A.F.J.; Guchelaar, Henk-Jan; Huizinga, Tom W.J.; Dieudé, Philippe; Mariette, Xavier; Bridges, S. Louis; Zhernakova, Alexandra; Toes, Rene E.M.; Tak, Paul P.; Miceli-Richard, Corinne; Bang, So-Young; Lee, Hye-Soon; Martin, Javier; Gonzalez-Gay, Miguel A.; Rodriguez-Rodriguez, Luis; Rantapää-Dahlqvist, Solbritt; Ärlestig, Lisbeth; Choi, Hyon K.; Kamatani, Yoichiro; Galan, Pilar; Lathrop, Mark; Eyre, Steve; Bowes, John; Barton, Anne; de Vries, Niek; Moreland, Larry W.; Criswell, Lindsey A.; Karlson, Elizabeth W.; Taniguchi, Atsuo; Yamada, Ryo; Kubo, Michiaki; Liu, Jun S.; Bae, Sang-Cheol; Worthington, Jane; Padyukov, Leonid; Klareskog, Lars; Gregersen, Peter K.; Raychaudhuri, Soumya; Stranger, Barbara E.; De Jager, Philip L.; Franke, Lude; Visscher, Peter M.; Brown, Matthew A.; Yamanaka, Hisashi; Mimori, Tsuneyo; Takahashi, Atsushi; Xu, Huji; Behrens, Timothy W.; Siminovitch, Katherine A.; Momohara, Shigeki; Matsuda, Fumihiko; Yamamoto, Kazuhiko; Plenge, Robert M. (2013)
      A major challenge in human genetics is to devise a systematic strategy to integrate disease-associated variants with diverse genomic and biological datasets to provide insight into disease pathogenesis and guide drug ...
    • Genome-Wide Association Study and Gene Expression Analysis Identifies CD84 as a Predictor of Response to Etanercept Therapy in Rheumatoid Arthritis 

      Cui, Jing; Stahl, Eli A.; Saevarsdottir, Saedis; Miceli, Corinne; Diogo, Dorothee; Trynka, Gosia; Raj, Towfique; Mirkov, Maša Umiċeviċ; Canhao, Helena; Ikari, Katsunori; Terao, Chikashi; Okada, Yukinori; Wedrén, Sara; Askling, Johan; Yamanaka, Hisashi; Momohara, Shigeki; Taniguchi, Atsuo; Ohmura, Koichiro; Matsuda, Fumihiko; Mimori, Tsuneyo; Gupta, Namrata; Kuchroo, Manik Razdan; Morgan, Ann W.; Isaacs, John D.; Wilson, Anthony G.; Hyrich, Kimme L.; Herenius, Marieke; Doorenspleet, Marieke E.; Tak, Paul-Peter; Crusius, J. Bart A.; van der Horst-Bruinsma, Irene E.; Wolbink, Gert Jan; van Riel, Piet L. C. M.; van de Laar, Mart; Guchelaar, Henk-Jan; Shadick, Nancy Ann; Allaart, Cornelia F.; Huizinga, Tom W. J.; Toes, Rene E. M.; Kimberly, Robert P.; Bridges, S. Louis; Criswell, Lindsey A.; Moreland, Larry W.; Fonseca, João Eurico; de Vries, Niek; Stranger, Barbara E.; De Jager, Philip Lawrence; Raychaudhuri, Soumya; Weinblatt, Michael Elliott; Gregersen, Peter K.; Mariette, Xavier; Barton, Anne; Padyukov, Leonid; Coenen, Marieke J. H.; Karlson, Elizabeth Wood; Plenge, Robert M. (Public Library of Science, 2013)
      Anti-tumor necrosis factor alpha (anti-TNF) biologic therapy is a widely used treatment for rheumatoid arthritis (RA). It is unknown why some RA patients fail to respond adequately to anti-TNF therapy, which limits the ...
    • High-Throughput Phenotyping With Electronic Medical Record Data Using a Common Semi-Supervised Approach (PheCAP) 

      Zhang, Yichi; Cai, Tianrun; Yu, Sheng; Cho, Kelly; Hong, Chuan; Sun, Jiehuan; Huang, Jie; Xia, Zongqi; Castro, Victor; Gagnon, David; Savova, Guergana; Churchill, Susanne; Gaziano, John; Kohane, Isaac; Cai, Tianxi; Ho, Yuk-Lam; Ananthakrishnan, Ashwin; Shaw, Stanley; Gainer, Vivian; Link, Nicholas; Honerlaw, Jacqueline; Huong, Sicong; Karlson, Elizabeth; Plenge, Robert; Szolovits, Peter; O'Donnell, Christopher; Murphy, Shawn; Liao, Katherine (Springer Science and Business Media LLC, 2019-11-20)
      Phenotypes are the foundation for clinical and genetic studies of disease risk and outcomes. The growth of biobanks linked to electronic medical record (EMR) data has both facilitated and increased the demand for efficient, ...
    • Implementation of Electronic Consent at a Biobank: An Opportunity for Precision Medicine Research 

      Boutin, Natalie T.; Mathieu, Kathleen; Hoffnagle, Alison G.; Allen, Nicole L.; Castro, Victor M.; Morash, Megan; O’Rourke, P. Pearl; Hohmann, Elizabeth L.; Herring, Neil; Bry, Lynn; Slaugenhaupt, Susan A.; Karlson, Elizabeth W.; Weiss, Scott T.; Smoller, Jordan W. (MDPI, 2016)
      The purpose of this study is to characterize the potential benefits and challenges of electronic informed consent (eIC) as a strategy for rapidly expanding the reach of large biobanks while reducing costs and potentially ...
    • Improving Case Definition of Crohnʼs Disease and Ulcerative Colitis in Electronic Medical Records Using Natural Language Processing 

      Ananthakrishnan, Ashwin; Cai, Tianxi; Savova, Guergana; Cheng, Su-Chun; Chen, Pei; Guzman, Raul; Gainer, Vivian S.; Murphy, Shawn; Szolovits, Peter; Xia, Zongqi; Shaw, Stanley; Churchill, Susanne; Karlson, Elizabeth; Kohane, Isaac; Plenge, Robert M.; Liao, Katherine (Oxford University Press (OUP), 2013-06)
      Introduction Prior studies identifying patients with inflammatory bowel disease (IBD) utilizing administrative codes have yielded inconsistent results. Our objective was to develop a robust electronic medical record (EMR) ...
    • The Influence of Polygenic Risk Scores on Heritability of Anti-CCP Level in RA 

      Cui, Jing; Taylor, Kimberly E.; Lee, Yvonne C.; Källberg, Henrik; Weinblatt, Michael E.; Coblyn, Jonathan S.; Klareskog, Lars; Criswell, Lindsey A.; Gregersen, Peter K.; Shadick, Nancy A.; Plenge, Robert M.; Karlson, Elizabeth W. (2014)
      Objective: To study genetic factors that influence quantitative anti-cyclic citrullinated peptide (anti-CCP) antibody levels in RA patients. Methods: We carried out a genome wide association study (GWAS) meta-analysis using ...
    • Joint Effects of Colorectal Cancer Susceptibility Loci, Circulating 25-Hydroxyvitamin D and Risk of Colorectal Cancer 

      Hiraki, Linda T.; Joshi, Amit D.; Ng, Kimmie; Fuchs, Charles S.; Ma, Jing; Hazra, Aditi; Peters, Ulrike; Karlson, Elizabeth W.; Giovannucci, Edward; Kraft, Peter; Chan, Andrew T. (Public Library of Science, 2014)
      Background: Genome wide association studies (GWAS) have identified several SNPs associated with colorectal cancer (CRC) susceptibility. Vitamin D is also inversely associated with CRC risk. Methods: We examined main and ...
    • Methods to Develop an Electronic Medical Record Phenotype Algorithm to Compare the Risk of Coronary Artery Disease across 3 Chronic Disease Cohorts 

      Liao, Katherine P.; Ananthakrishnan, Ashwin N.; Kumar, Vishesh; Xia, Zongqi; Cagan, Andrew; Gainer, Vivian S.; Goryachev, Sergey; Chen, Pei; Savova, Guergana K.; Agniel, Denis; Churchill, Susanne; Lee, Jaeyoung; Murphy, Shawn N.; Plenge, Robert M.; Szolovits, Peter; Kohane, Isaac; Shaw, Stanley Y.; Karlson, Elizabeth W.; Cai, Tianxi (Public Library of Science, 2015)
      Background: Typically, algorithms to classify phenotypes using electronic medical record (EMR) data were developed to perform well in a specific patient population. There is increasing interest in analyses which can allow ...
    • Modeling Disease Severity in Multiple Sclerosis Using Electronic Health Records 

      Xia, Zongqi; Secor, Elizabeth; Chibnik, Lori B.; Bove, Riley M.; Cheng, Suchun; Chitnis, Tanuja; Cagan, Andrew; Gainer, Vivian S.; Chen, Pei J.; Liao, Katherine P.; Shaw, Stanley Y.; Ananthakrishnan, Ashwin N.; Szolovits, Peter; Weiner, Howard L.; Karlson, Elizabeth W.; Murphy, Shawn N.; Savova, Guergana K.; Cai, Tianxi; Churchill, Susanne E.; Plenge, Robert M.; Kohane, Isaac S.; De Jager, Philip L. (Public Library of Science, 2013)
      Objective: To optimally leverage the scalability and unique features of the electronic health records (EHR) for research that would ultimately improve patient care, we need to accurately identify patients and extract ...
    • Postmenopausal hormone therapy and the risk of rheumatoid arthritis: results from the Swedish EIRA population-based case-control study 

      Orellana, Cecilia; Saevarsdottir, Saedis; Klareskog, Lars; Karlson, Elizabeth W.; Alfredsson, Lars; Bengtsson, Camilla (Springer Netherlands, 2015)
      To study the association between postmenopausal hormone therapy (PMH) use and the risk of rheumatoid arthritis (RA) stratifying the cases by the presence/absence of antibodies against citrullinated peptides (ACPA). A subset ...
    • A Prospective Study of Androgen Levels, Hormone-related Genes and Risk of Rheumatoid Arthritis 

      McGrath, Monica; Keenan, Brendan T; Karlson, Elizabeth Wood; Chibnik, Lori; Chang, Shun-Chiao; Costenbader, Karen Harte; Fraser, Patricia Ann; Tworoger, Shelley Slate; Tworoger, Shelley Slate; Hankinson, Susan Elizabeth; Lee, I-Min; Buring, Julie Elizabeth; De Vivo, Immaculata (BioMed Central, 2009)
      Introduction: Rheumatoid arthritis (RA) is more common in females than males and sex steroid hormones may in part explain this difference. We conducted a case–control study nested within two prospective studies to determine ...