Effects of B cell depletion by CD19-targeted CAR-T cells in a murine model of systemic sclerosis.
Jerome AvouacAnne CauvetCindy OrvainMorgane BoulchFrançoise TilottaLy TuRaphaël ThuilletMina OttavianiChristophe GuignabertPhilippe BoussoYannick AllanorePublished in: Arthritis & rheumatology (Hoboken, N.J.) (2023)
B-cell therapies failed to show efficacy in the Fra2 transgenic mice. The exacerbated Fra-2 lung inflammatory burden stimulated accumulation and expansion of activated CD19-targeted CAR-T cells, secondarily inducing T-cell activation and systemic inflammation, finally leading to disease worsening.