This study evaluates the variation of expression of the neonatal Fc receptor (FcRn) in Natural Killer T Cells Expressing an Invariant T Receptor (iNKT) and monocytes along with the surface expression of Fc gamma type II receptor (RII) and RIII in active or newly diagnosed lupus patients compared to inactive lupus patients.
Age ≥ 18 years
Diagnosis of definite systemic lupus which may be associated with secondary antiphospholipid syndrome and/or secondary Gougerot-Sjögren's
Lupus patient, newly diagnosed or known, untreated or in relapse
Lupus patient considered stable by the treating practitioner
Main autoimmune disease other than lupus
Patient under legal protection, guardianship or curators
Opposition to data processing
University Hospital, Tours
Lead sponsor
Research Center for Respiratory Diseases, Inserm U1100
Collaborator