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http://hdl.handle.net/10261/216658
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dc.contributor.author | Malhotra, S. | - |
dc.contributor.author | Costa, C. | - |
dc.contributor.author | Eixarch, H. | - |
dc.contributor.author | Keller, C.W. | - |
dc.contributor.author | Amman, L. | - |
dc.contributor.author | Martínez-Banaclocha, H. | - |
dc.contributor.author | Midaglia, L. | - |
dc.contributor.author | Sarró, E. | - |
dc.contributor.author | Machín-Díaz, Isabel | - |
dc.contributor.author | Villar, L.M. | - |
dc.contributor.author | Triviño, J.C. | - |
dc.contributor.author | Oliver-Martos, Begoña | - |
dc.contributor.author | Parladé, L.N. | - |
dc.contributor.author | Calvo-Barreiro, L. | - |
dc.contributor.author | Matesanz, F. | - |
dc.contributor.author | Vandenbroeck, K. | - |
dc.contributor.author | Urcelay, E. | - |
dc.contributor.author | Martínez-Ginés, M.L. | - |
dc.contributor.author | Tejeda-Velarde, A. | - |
dc.contributor.author | Fissolo, N. | - |
dc.contributor.author | Castilló, J. | - |
dc.contributor.author | Sanchez, A. | - |
dc.contributor.author | Robertson, A.A.B. | - |
dc.contributor.author | Clemente, Diego | - |
dc.contributor.author | Prinz, M. | - |
dc.contributor.author | Pelegrín, Pablo | - |
dc.contributor.author | Lünemann, J.D. | - |
dc.contributor.author | Espejo, C. | - |
dc.contributor.author | Montalbán, Xavier | - |
dc.contributor.author | Comabella, Manuel | - |
dc.date.accessioned | 2020-07-15T09:00:10Z | - |
dc.date.available | 2020-07-15T09:00:10Z | - |
dc.date.issued | 2020 | - |
dc.identifier | doi: 10.1093/brain/awaa084 | - |
dc.identifier | issn: 0006-8950 | - |
dc.identifier | e-issn: 1460-2156 | - |
dc.identifier.citation | Brain, a journal of neurology 143: 1414- 1430 (2020) | - |
dc.identifier.uri | http://hdl.handle.net/10261/216658 | - |
dc.description.abstract | Primary progressive multiple sclerosis is a poorly understood disease entity with no specific prognostic biomarkers and scarce therapeutic options. We aimed to identify disease activity biomarkers in multiple sclerosis by performing an RNA sequencing approach in peripheral blood mononuclear cells from a discovery cohort of 44 untreated patients with multiple sclerosis belonging to different clinical forms and activity phases of the disease, and 12 healthy control subjects. A validation cohort of 58 patients with multiple sclerosis and 26 healthy control subjects was included in the study to replicate the RNA sequencing findings. The RNA sequencing revealed an interleukin 1 beta (IL1B) signature in patients with primary progressive multiple sclerosis. Subsequent immunophenotyping pointed to blood monocytes as responsible for the IL1B signature observed in this group of patients. Functional experiments at baseline measuring apoptosis-associated speck-like protein containing a CARD (ASC) speck formation showed that the NOD-leucine rich repeat and pyrin containing protein 3 (NLRP3) inflammasome was overactive in monocytes from patients with primary progressive multiple sclerosis, and canonical NLRP3 inflammasome activation with a combination of ATP plus lipopolysaccharide was associated with increased IL1B production in this group of patients. Primary progressive multiple sclerosis patients with high IL1B gene expression levels in peripheral blood mononuclear cells progressed significantly faster compared to patients with low IL1B levels based on the time to reach an EDSS of 6.0 and the Multiple Sclerosis Severity Score. In agreement with peripheral blood findings, both NLRP3 and IL1B expression in brain tissue from patients with primary progressive multiple sclerosis was mainly restricted to cells of myeloid lineage. Treatment of mice with a specific NLRP3 inflammasome inhibitor attenuated established experimental autoimmune encephalomyelitis disease severity and improved CNS histopathology. NLRP3 inflammasome-specific inhibition was also effective in reducing axonal damage in a model of lipopolysaccharide-neuroinflammation using organotypic cerebellar cultures. Altogether, these results point to a role of IL1B and the NLRP3 inflammasome as prognostic biomarker and potential therapeutic target, respectively, in patients with primary progressive multiple sclerosis. | - |
dc.language | eng | - |
dc.publisher | Oxford University Press | - |
dc.rights | closedAccess | - |
dc.subject | NLRP3 inflammasome | - |
dc.subject | Biomarkers | - |
dc.subject | Multiple sclerosis | - |
dc.subject | prognostic factor | - |
dc.subject | therapeutic target | - |
dc.title | NLRP3 inflammasome as prognostic factor and therapeutic target in primary progressive multiple sclerosis patients | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1093/brain/awaa084 | - |
dc.relation.publisherversion | http://dx.doi.org/10.1093/brain/awaa084 | - |
dc.date.updated | 2020-07-15T09:00:11Z | - |
dc.relation.csic | Sí | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.fulltext | No Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | none | - |
item.openairetype | artículo | - |
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