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An integrated transcriptome and expressed variant analysis of sepsis survival and death.

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Date
2014
Authors
Tsalik, Ephraim L
Langley, Raymond J
Dinwiddie, Darrell L
Miller, Neil A
Yoo, Byunggil
van Velkinburgh, Jennifer C
Smith, Laurie D
Thiffault, Isabella
Jaehne, Anja K
Valente, Ashlee M
Henao, Ricardo
Yuan, Xin
Glickman, Seth W
Rice, Brandon J
McClain, Micah T
Carin, Lawrence
Corey, G Ralph
Ginsburg, Geoffrey S
Cairns, Charles B
Otero, Ronny M
Fowler, Vance G
Rivers, Emanuel P
Woods, Christopher W
Kingsmore, Stephen F
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(24 total)
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Abstract
BACKGROUND: Sepsis, a leading cause of morbidity and mortality, is not a homogeneous disease but rather a syndrome encompassing many heterogeneous pathophysiologies. Patient factors including genetics predispose to poor outcomes, though current clinical characterizations fail to identify those at greatest risk of progression and mortality. METHODS: The Community Acquired Pneumonia and Sepsis Outcome Diagnostic study enrolled 1,152 subjects with suspected sepsis. We sequenced peripheral blood RNA of 129 representative subjects with systemic inflammatory response syndrome (SIRS) or sepsis (SIRS due to infection), including 78 sepsis survivors and 28 sepsis non-survivors who had previously undergone plasma proteomic and metabolomic profiling. Gene expression differences were identified between sepsis survivors, sepsis non-survivors, and SIRS followed by gene enrichment pathway analysis. Expressed sequence variants were identified followed by testing for association with sepsis outcomes. RESULTS: The expression of 338 genes differed between subjects with SIRS and those with sepsis, primarily reflecting immune activation in sepsis. Expression of 1,238 genes differed with sepsis outcome: non-survivors had lower expression of many immune function-related genes. Functional genetic variants associated with sepsis mortality were sought based on a common disease-rare variant hypothesis. VPS9D1, whose expression was increased in sepsis survivors, had a higher burden of missense variants in sepsis survivors. The presence of variants was associated with altered expression of 3,799 genes, primarily reflecting Golgi and endosome biology. CONCLUSIONS: The activation of immune response-related genes seen in sepsis survivors was muted in sepsis non-survivors. The association of sepsis survival with a robust immune response and the presence of missense variants in VPS9D1 warrants replication and further functional studies. TRIAL REGISTRATION: ClinicalTrials.gov NCT00258869. Registered on 23 November 2005.
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Journal article
Permalink
https://hdl.handle.net/10161/13120
Published Version (Please cite this version)
10.1186/s13073-014-0111-5
Publication Info
Tsalik, Ephraim L; Langley, Raymond J; Dinwiddie, Darrell L; Miller, Neil A; Yoo, Byunggil; van Velkinburgh, Jennifer C; ... Kingsmore, Stephen F (2014). An integrated transcriptome and expressed variant analysis of sepsis survival and death. Genome Med, 6(11). pp. 111. 10.1186/s13073-014-0111-5. Retrieved from https://hdl.handle.net/10161/13120.
This is constructed from limited available data and may be imprecise. To cite this article, please review & use the official citation provided by the journal.
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Scholars@Duke

Carin

Lawrence Carin

Professor of Electrical and Computer Engineering
Lawrence Carin earned the BS, MS, and PhD degrees in electrical engineering at the University of Maryland, College Park, in 1985, 1986, and 1989, respectively. In 1989 he joined the Electrical Engineering Department at Polytechnic University (Brooklyn) as an Assistant Professor, and became an Associate Professor there in 1994. In September 1995 he joined the Electrical and Computer Engineering (ECE) Department at Duke University, where he is now a Professor. He was ECE Department Chair from 2011
Corey

Gordon Ralph Corey

Gary Hock Distinguished Professor Emeritus in Global Health, in the School of Medicine
My research is based at the Duke Clinical Research Institute, a large academic clinical research organization designed to conduct clinical trials from small local studies to worldwide trials. The focus of my research is bacterial infections: complicated skin and skin structure infections; postoperative wound infections; hospital-acquired and ventilator-associated pneumonia; bacteremia; and endocarditis. Many of these trials are conducted in concert with the pharmaceutical industry in ord
Fowler

Vance Garrison Fowler Jr.

Florence McAlister Distinguished Professor of Medicine
Determinants of Outcome in Patients with Staphylococcus aureus Bacteremia Antibacterial ResistancePathogenesis of Bacterial Infections Tropical medicine/International Health
Ginsburg

Geoffrey Steven Ginsburg

Adjunct Professor in the Department of Medicine
Dr. Geoffrey S. Ginsburg's research interests are in the development of novel paradigms for developing and translating genomic information into medical practice and the integration of personalized medicine into health care.
Henao

Ricardo Henao

Associate Professor in Biostatistics & Bioinformatics
McClain

Micah Thomas McClain

Associate Professor of Medicine
Tsalik

Ephraim Tsalik

Adjunct Associate Professor in the Department of Medicine
My research at Duke has focused on understanding the dynamic between host and pathogen so as to discover and develop host-response markers that can diagnose and predict health and disease.  This new and evolving approach to diagnosing illness has the potential to significantly impact individual as well as public health considering the rise of antibiotic resistance. With any potential infectious disease diagnosis, it is difficult, if not impossible, to determine at the time of pre
Woods

Christopher Wildrick Woods

Professor of Medicine
1. Emerging Infections 2. Global Health 3. Epidemiology of infectious diseases 4. Clinical microbiology and diagnostics 5. Bioterrorism Preparedness 6. Surveillance for communicable diseases 7. Antimicrobial resistance
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