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Sánchez‐Cerrillo I, Calzada‐Fraile D, Triguero‐Martínez A, Calvet‐Mirabent M, Popova O, Delgado‐Arévalo C, Valdivia‐Mazeyra M, Ramírez‐Huesca M, de Luis EV, Benguría A, Aceña‐Gonzalo T, Moreno‐Vellisca R, de Llano MA, de la Fuente H, Tsukalov I, Delgado‐Wicke P, Fernández‐Ruiz E, Roy‐Vallejo E, Tejedor‐Lázaro R, Ramiro A, Iborra S, Sánchez‐Madrid F, Dopazo A, Álvaro IG, Castañeda S, Martin‐Gayo E. MICa/b-dependent activation of natural killer cells by CD64 + inflammatory type 2 dendritic cells contributes to autoimmunity. EMBO J 2023; 42:e113714. [PMID: 37916875 PMCID: PMC10690448 DOI: 10.15252/embj.2023113714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 09/27/2023] [Accepted: 10/05/2023] [Indexed: 11/03/2023] Open
Abstract
Primary Sjögren's syndrome (pSS) is an inflammatory autoimmune disorder largely mediated by type I and II interferon (IFN). The potential contribution of innate immune cells, such as natural killer (NK) cells and dendritic cells (DC), to the pSS pathology remains understudied. Here, we identified an enriched CD16+ CD56hi NK cell subset associated with higher cytotoxic function, as well as elevated proportions of inflammatory CD64+ conventional dendritic cell (cDC2) subtype that expresses increased levels of MICa/b, the ligand for the activating receptor NKG2D, in pSS individuals. Circulating cDC2 from pSS patients efficiently induced activation of cytotoxic NK cells ex vivo and were found in proximity to CD56+ NK cells in salivary glands (SG) from pSS patients. Interestingly, transcriptional activation of IFN signatures associated with the RIG-I/DDX60 pathway, IFN I receptor, and its target genes regulate the expression of NKG2D ligands on cDC2 from pSS patients. Finally, increased proportions of CD64hi RAE-1+ cDC2 and NKG2D+ CD11b+ CD27+ NK cells were present in vivo in the SG after poly I:C injection. Our study provides novel insight into the contribution and interplay of NK and cDC2 in pSS pathology and identifies new potential therapy targets.
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Affiliation(s)
- Ildefonso Sánchez‐Cerrillo
- Immunology UnitHospital Universitario La Princesa, Medicine Department, Universidad Autónoma de Madrid, Instituto Investigación Sanitaria‐Princesa IIS‐IPMadridSpain
| | - Diego Calzada‐Fraile
- Immunology UnitHospital Universitario La Princesa, Medicine Department, Universidad Autónoma de Madrid, Instituto Investigación Sanitaria‐Princesa IIS‐IPMadridSpain
- Vascular Pathophysiology DepartmentCentro Nacional de Investigaciones CardiovascularesMadridSpain
| | - Ana Triguero‐Martínez
- Rheumatology UnitHospital Universitario La Princesa, Instituto de Investigación Sanitaria‐Princesa IIS‐IPMadridSpain
| | - Marta Calvet‐Mirabent
- Immunology UnitHospital Universitario La Princesa, Medicine Department, Universidad Autónoma de Madrid, Instituto Investigación Sanitaria‐Princesa IIS‐IPMadridSpain
| | - Olga Popova
- Immunology UnitHospital Universitario La Princesa, Medicine Department, Universidad Autónoma de Madrid, Instituto Investigación Sanitaria‐Princesa IIS‐IPMadridSpain
| | - Cristina Delgado‐Arévalo
- Immunology UnitHospital Universitario La Princesa, Medicine Department, Universidad Autónoma de Madrid, Instituto Investigación Sanitaria‐Princesa IIS‐IPMadridSpain
| | | | - Marta Ramírez‐Huesca
- Vascular Pathophysiology DepartmentCentro Nacional de Investigaciones CardiovascularesMadridSpain
| | | | - Alberto Benguría
- Genomic UnitCentro Nacional de Investigaciones CardiovascularesMadridSpain
| | - Teresa Aceña‐Gonzalo
- Immunology UnitHospital Universitario La Princesa, Medicine Department, Universidad Autónoma de Madrid, Instituto Investigación Sanitaria‐Princesa IIS‐IPMadridSpain
| | | | | | - Hortensia de la Fuente
- Immunology UnitHospital Universitario La Princesa, Medicine Department, Universidad Autónoma de Madrid, Instituto Investigación Sanitaria‐Princesa IIS‐IPMadridSpain
- CIBER Cardiovascular, Instituto de Salud Carlos IIIMadridSpain
| | - Ilya Tsukalov
- Immunology UnitHospital Universitario La Princesa, Medicine Department, Universidad Autónoma de Madrid, Instituto Investigación Sanitaria‐Princesa IIS‐IPMadridSpain
| | - Pablo Delgado‐Wicke
- Immunology UnitHospital Universitario La Princesa, Medicine Department, Universidad Autónoma de Madrid, Instituto Investigación Sanitaria‐Princesa IIS‐IPMadridSpain
| | - Elena Fernández‐Ruiz
- Immunology UnitHospital Universitario La Princesa, Medicine Department, Universidad Autónoma de Madrid, Instituto Investigación Sanitaria‐Princesa IIS‐IPMadridSpain
| | - Emilia Roy‐Vallejo
- Rheumatology UnitHospital Universitario La Princesa, Instituto de Investigación Sanitaria‐Princesa IIS‐IPMadridSpain
| | - Reyes Tejedor‐Lázaro
- Immunology UnitHospital Universitario La Princesa, Medicine Department, Universidad Autónoma de Madrid, Instituto Investigación Sanitaria‐Princesa IIS‐IPMadridSpain
| | - Almudena Ramiro
- Vascular Pathophysiology DepartmentCentro Nacional de Investigaciones CardiovascularesMadridSpain
| | - Salvador Iborra
- Vascular Pathophysiology DepartmentCentro Nacional de Investigaciones CardiovascularesMadridSpain
| | - Francisco Sánchez‐Madrid
- Immunology UnitHospital Universitario La Princesa, Medicine Department, Universidad Autónoma de Madrid, Instituto Investigación Sanitaria‐Princesa IIS‐IPMadridSpain
- Vascular Pathophysiology DepartmentCentro Nacional de Investigaciones CardiovascularesMadridSpain
- CIBER Cardiovascular, Instituto de Salud Carlos IIIMadridSpain
| | - Ana Dopazo
- Vascular Pathophysiology DepartmentCentro Nacional de Investigaciones CardiovascularesMadridSpain
- Genomic UnitCentro Nacional de Investigaciones CardiovascularesMadridSpain
- CIBER Cardiovascular, Instituto de Salud Carlos IIIMadridSpain
| | - Isidoro González Álvaro
- Rheumatology UnitHospital Universitario La Princesa, Instituto de Investigación Sanitaria‐Princesa IIS‐IPMadridSpain
| | - Santos Castañeda
- Rheumatology UnitHospital Universitario La Princesa, Instituto de Investigación Sanitaria‐Princesa IIS‐IPMadridSpain
- Cátedra UAM‐Roche, EPID‐Future, Department of MedicineUniversidad Autónoma de Madrid (UAM)MadridSpain
| | - Enrique Martin‐Gayo
- Immunology UnitHospital Universitario La Princesa, Medicine Department, Universidad Autónoma de Madrid, Instituto Investigación Sanitaria‐Princesa IIS‐IPMadridSpain
- CIBER Enfermedades Infecciosas (CIBERINFECC), Instituto de Salud Carlos IIIMadridSpain
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