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The Q705K polymorph...
The Q705K polymorphism in NLRP3 is a gain-of-function alteration leading to excessive interleukin-1β and IL-18 production
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- Verma, Deepti (författare)
- Linköpings universitet,Institutionen för klinisk och experimentell medicin,Hälsouniversitetet,Division of Cell Biology, Department of Clinical and Experimental Medicine, Faculty of Health Sciences, Linköping University, Linköping, Sweden
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- Lerm, Maria (författare)
- Linköpings universitet,Institutionen för klinisk och experimentell medicin,Hälsouniversitetet,Division of Microbiology and Molecular Medicine, Department of Clinical and Experimental Medicine, Faculty of Health Sciences, Linköping University, Linköping, Sweden
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- Eriksson, Per (författare)
- Östergötlands Läns Landsting,Linköpings universitet,Reumatologi,Hälsouniversitetet,Länskliniken för Reumatologi i Östergötland,Division of Rheumatology, Department of Clinical and Experimental Medicine, Faculty of Health Sciences, Linköping University, Linköping, Sweden
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- Fredriksson, Mats (författare)
- Linköpings universitet,Yrkes- och miljömedicin,Hälsouniversitetet,Division of Occupational and Environmental Medicine, Department of Clinical and Experimental Medicine, Faculty of Health Sciences, Linköping University, Linköping, Sweden
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- Andersson, Henrik (författare)
- Linköpings universitet,Cellbiologi,Hälsouniversitetet,Division of Microbiology and Molecular Medicine, Department of Clinical and Experimental Medicine, Faculty of Health Sciences, Linköping University, Linköping, Sweden
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- Jönsson, Jan-Ingvar (författare)
- Linköpings universitet,Experimentell hematologi,Hälsouniversitetet,Division of Microbiology and Molecular Medicine, Department of Clinical and Experimental Medicine, Faculty of Health Sciences, Linköping University, Linköping, Sweden
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- Särndahl, Eva, 1963- (författare)
- Örebro universitet,Institutionen för hälsovetenskap och medicin,Department of Clinical Medicine, School of Health & Medical Sciences, Örebro University, SE-701 82 Örebro, Sweden
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- Söderkvist, Peter (författare)
- Linköpings universitet,Cellbiologi,Hälsouniversitetet,Division of Cell Biology, Department of Clinical and Experimental Medicine, Faculty of Health Sciences, Linköping University, Linköping, Sweden
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(creator_code:org_t)
- 2012-04-17
- 2012
- Engelska.
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Ingår i: PLOS ONE. - San Fransisco, USA : Public Library of Science. - 1932-6203. ; 7:4
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Abstract
Ämnesord
Stäng
- Background: The Q705K polymorphism in NLRP3 has been implicated in several chronic inflammatory diseases. In this study, we determine the functional role of this commonly occurring polymorphism using an in-vitro system.Methods / Principle findings: NLRP3-WT and NLRP3-Q705K were retrovirally transduced into the human monocytic cell line THP-1, followed by the assessment of IL-1β and IL-18 levels in the cell culture supernatant. THP-1 cells expressing the above NLRP3 variants were sorted based upon Green Fluorescent Protein (GFP) expression. Cytokine response to alum (one of the most widely used adjuvants in vaccines) in the cells stably expressing NLRP3-WT and NLRP3-Q705K were determined. IL-1β and IL-18 levels were found to be elevated in THP-1 cells transduced with NLRP3-Q705K compared to the NLRP3-WT. Upon exposure to alum, THP-1 cells stably expressing NLRP3-Q705K displayed an increased production of IL-1β, IL-18 and TNF-α, in a caspase-1 and IL-1 receptor-dependent manner.Conclusions: Collectively, these findings show that the Q705K polymorphism in NLRP3 is a gain-of-function alteration leading to an overactive NLRP3 inflammasome. The option of IL-1β blockade may be considered in patients with chronic inflammatory disorders that are unresponsive to conventional treatments.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinsk bioteknologi -- Medicinsk bioteknologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Medical Biotechnology -- Medical Biotechnology (hsv//eng)
Nyckelord
- NALP3
- CIAS-1
- polymorphism
- anakinra
- TNF-α
- inflammasome
- MEDICINE
- MEDICIN
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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