Catecholaminergic Gene Polymorphisms Are Associated with GI Symptoms and Morphological Brain Changes in Irritable Bowel Syndrome

• Alexa Orand ,

  Contributed equally to this work with: Alexa Orand, Arpana Gupta

  Affiliation Oppenheimer Center for the Neurobiology of Stress, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America

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• Arpana Gupta ,

  Contributed equally to this work with: Alexa Orand, Arpana Gupta

  Affiliation Oppenheimer Center for the Neurobiology of Stress, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America

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• Wendy Shih,

  Affiliation Department of Biostatistics, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America

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• Angela P. Presson,

  Affiliations Department of Biostatistics, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America, Division of Epidemiology, Department of Internal Medicine, University of Utah, Salt Lake City, Utah, United States of America

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• Christian Hammer,

  Affiliation Institute of Human Genetics, Department of Human Molecular Genetics, University of Heidelberg, Heidelberg, Germany

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• Beate Niesler,

  Affiliation Institute of Human Genetics, Department of Human Molecular Genetics, University of Heidelberg, Heidelberg, Germany

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• Nuwanthi Heendeniya,

  Affiliation Oppenheimer Center for the Neurobiology of Stress, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America

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• Emeran A. Mayer,

  Affiliation Oppenheimer Center for the Neurobiology of Stress, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America

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• Lin Chang

  * E-mail: linchang@mednet.ucla.edu

  Affiliation Oppenheimer Center for the Neurobiology of Stress, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America

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