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. 2022 Mar 18;43(2):150–165. doi: 10.24272/j.issn.2095-8137.2021.363

Figure 7.

Figure 7

Application of CAR-T cells in animal model of RA

RA produces autoantibodies that cause joint swelling and systemic inflammation. Methods for eliminating autoimmune B cells by CAR-T are as follows: first, autoantibody type is determined by ELISA, and then anti-FITC CAR-T and FITC-labeled autoantibody-positive peptides are prepared to eliminate autoreactive B cells under peptide-mediated CAR-T toxicity in mice. In vitro experiments have shown that anti-FITC CAR-T cells recognize and kill anti-COII antibody-secreting B cells from CIA mice by binding with an antigenic FITC-conjugated peptide. CIA mice are RA mice induced by type II collagen and CFA. DBA/1 mice are commonly used (Kannan et al., 2005). RA: Rheumatoid arthritis; ELISA: Enzyme-linked immunosorbent assay; FITC: Fluorescein isothiocyanate; CIA: Collagen-induced arthritis; CFA: Complete Freund’s adjuvant.