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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1016/j.clim.2019.04.004
|2 doi
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|a pubmed25n0986.xml
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|a (DE-627)NLM295953047
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|a (NLM)30974290
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|a (PII)S1521-6616(18)30700-9
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Schuh, E
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a MCC950 blocks enhanced interleukin-1β production in patients with NLRP3 low penetrance variants
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|c 2019
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 02.04.2020
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|a Date Revised 14.12.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2019 Elsevier Inc. All rights reserved.
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|a OBJECTIVE: To determine the role of the NLRP3 inflammasome by using the selective NLRP3 inhibitor MCC950 in patients with NLRP3 low penetrance variants and clinical symptoms suggestive for an autoinflammatory syndrome including central nervous system (CNS) involvement
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| 520 |
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|a METHODS: Nineteen symptomatic patients with low penetrance NLRP3 variants (Q703K n = 17, V198M n = 2) recruited between 2011 and 2017 were included in this monocentric study. A functional inflammasome activation assay was performed in patients in comparison to healthy controls (HC), including the determination of interleukin-1beta (IL-1β), interleukin-6 (IL-6) and tumor-necrosis factor alpha (TNF-α) secretion in the presence of the NLRP3 selective small-molecule inhibitor MCC950. Detailed clinical features were assessed and anti-IL-1 treatment response was determined
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|a RESULTS: Peripheral blood mononuclear cells (PBMC) from patients with low penetrance NLRP3 variants displayed enhanced IL-1β levels following inflammasome activation compared to HC. Furthermore, IL-1β release was NLRP3-dependent as it was blocked by MCC950. The production of IL-6 and TNF-α was also increased in patients with low penetrance NLRP3 variants. Clinically, they presented with a heterogenous spectrum of neurological manifestations, while cranial nerve inflammation was the most common feature. Overall inflammasome activation did not correlate with disease severity. Eight of ten treated patients responded to anti IL-1 treatment, however a complete response was only documented in four patients
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|a CONCLUSION: PBMC of several patients with NLRP3 low penetrance variants and CNS manifestation showed increased NLRP3-specific IL-1β release upon stimulation and elevated NLRP3-independent IL-6 and TNF-α levels as those were not suppressed by MCC950. Our data suggest that beside the possible causal involvement of the NLRP3 inflammasome additional, yet unidentified genetic or environmental factors may contribute to the multi-organ inflammation in our patients and explain the partial response to IL-1 targeting therapies
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Autoimmunity
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|a Autoinflammation
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4 |
|a IL-1β
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| 650 |
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|a MCC950
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| 650 |
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4 |
|a NLRP3 low penetrance mutations
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| 650 |
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7 |
|a Furans
|2 NLM
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| 650 |
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|a Heterocyclic Compounds, 4 or More Rings
|2 NLM
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| 650 |
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7 |
|a Indenes
|2 NLM
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| 650 |
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7 |
|a Inflammasomes
|2 NLM
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| 650 |
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|a Interleukin-1beta
|2 NLM
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| 650 |
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7 |
|a Interleukin-6
|2 NLM
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| 650 |
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7 |
|a NLR Family, Pyrin Domain-Containing 3 Protein
|2 NLM
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| 650 |
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7 |
|a NLRP3 protein, human
|2 NLM
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| 650 |
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|a Sulfonamides
|2 NLM
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| 650 |
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7 |
|a Sulfones
|2 NLM
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| 650 |
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|a Tumor Necrosis Factor-alpha
|2 NLM
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| 650 |
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7 |
|a N-(1,2,3,5,6,7-hexahydro-S-indacen-4-ylcarbamoyl)-4-(2-hydroxy-2-propanyl)-2-furansulfonamide
|2 NLM
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| 650 |
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7 |
|a 6RS86E2BWQ
|2 NLM
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| 700 |
1 |
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|a Groß, C J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wagner, D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Schlüter, M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Groß, O
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kümpfel, T
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Clinical immunology (Orlando, Fla.)
|d 1999
|g 203(2019) vom: 15. Juni, Seite 45-52
|w (DE-627)NLM098196855
|x 1521-7035
|7 nnns
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| 773 |
1 |
8 |
|g volume:203
|g year:2019
|g day:15
|g month:06
|g pages:45-52
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| 856 |
4 |
0 |
|u http://dx.doi.org/10.1016/j.clim.2019.04.004
|3 Volltext
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|a AR
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