BACKGROUND Cytotoxic T Lymphocyte Antigen-4(CTLA4)deficiency is a genetic defect that causes a common variable immunodeficiency(CVID)clinical phenotype.Several studies have reported an association between CTLA mutatio...
BACKGROUND Sporadic cases of rheumatoid arthritis(RA)due to unsatisfactory responses to Abatacept(ABT)have been reported;however,the rescue therapy has not been finalized.Here,we present a case with difficult-to-treat...
This work was supported by the Research Fund for Outstanding Youth Scholar of Chongqing Talents[grant number CQYC201905003];Science and Technology Research Program of Chongqing Municipal Education Commission[grant number KJZD-M201800401];High-level Medical Reserved Personnel Training Project of Chongqing[grant number 2019181].
CTLA4 deficiency and LRBA deficiency are a group disorders of immune dysregula-tion that affect CTLA4 pathway.The patients mainly present with autoimmunity,antibody defi-ciency and recurrent infections.Here we reporte...
The incidence of anaphylactic reaction after the long-term use of abatacept has not been reported until now. Herein, we present a case of rheumatoid arthritis (RA) in which the patient experienced an anaphylactic reac...
Hepatitis B virus(HBV) reactivation in rheumatoid arthritis(RA) patients undergoing biological therapy is not infrequent. This condition can occur in patients with chronic hepatitis B as well as in patients with resol...
Costimulatory pathways(Cluster of differentiation 28,tumor necrosis factor-related,adhesion and T Cell Ig-and mucin-domain molecules) regulating the interactions between receptors on the T cells andtheir ligands expre...
Oligoarticular juvenile idiopathic arthritis (oJIA) is an antigen-driven and lymphocyte-mediated disorder affecting the adaptive immune system. Auto reactive T cells produce pro-inflammatory cytokines as IFN-γ and IL...