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C10X polymorphism in the CARD8 gene is associated with bacteraemia
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- Asfaw Idosa, Berhane, 1977- (author)
- Örebro universitet,Institutionen för hälsovetenskap och medicin,Department of Clinical Medicine
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- Sahdo, Berolla, 1984- (author)
- Örebro universitet,Institutionen för hälsovetenskap och medicin,Department of Clinical Medicine
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- Balcha, Ermias (author)
- Department of Clinical Medicine, School of Health and Medical Sciences, Örebro University, Örebro, Swedenital, Örebro, Sweden
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- (creator_code:org_t)
- 2013-11-05
- 2014
- English.
- In: Immunity, inflammation and disease. - West Sussex, UK : John Wiley & Sons. - 2050-4527. ; 2:1, s. 13-20
- Journal article (peer-reviewed)
Abstract
Subject headings
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- The NLRP3 inflammasome is an intracellular multi-protein complex that triggers caspase-1 mediated maturation of interleukin-1β (IL-1β); one of the most potent mediators of inflammation and a major cytokine produced during severe infections, like sepsis. However, the excessive cytokine levels seem to stage for tissue injury and organ failure, and high levels of IL-1β correlates with severity and mortality of sepsis. Instead, recent data suggest caspase-1 to function as a guardian against severe infections. CARD8 has been implied to regulate the synthesis of IL-1β via interaction to caspase-1. In recent years, polymorphism of CARD8 (C10X) per se or in combination with NLRP3 (Q705K) has been implicated with increased risk of inflammation. The aim was to investigate the correlation of these polymorphisms with severe blood stream infection. Human DNA was extracted from blood culture bottles that were found to be positive for microbial growth (i.e. patients with bacteraemia). Polymorphisms Q705K in the NLRP3 gene and C10X in the CARD8 gene were genotyped using TaqMan genotyping assay. The results were compared to healthy controls and to samples from patients with negative cultures. The polymorphism C10X was significantly over-represented among patients with bacteraemia as compared to healthy controls, whereas patients with negative blood culture were not associated with a higher prevalence. No association was observed with polymorphism Q705K of NLRP3 in either group of patients. Patients carrying polymorphism C10X in the CARD8 gene are at increased risk of developing bacteraemia and severe inflammation.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Klinisk laboratoriemedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Clinical Laboratory Medicine (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Mikrobiologi inom det medicinska området (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Microbiology in the medical area (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Immunologi inom det medicinska området (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Immunology in the medical area (hsv//eng)
Keyword
- Bacteraemia
- blood culture
- gene variants
- infection
- inflammasomes
- inflammation
- innate immunity
- leukocytes
- polymorphisims
- sepsis
Publication and Content Type
- ref (subject category)
- art (subject category)
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