CAR-T cells are effective in reducing autoantibodies in myasthenia gravis

German researchers have developed and tested CAR-T cells using serum from patients with myasthenia gravis:

  • this novel cell therapy aimed to enable effector cells to recognise the alpha-1 and beta-1 subunits of the nicotinic acetylcholine receptor (NAChR),
  • this led to a depletion of the B lymphocytes responsible for producing autoantibodies against the nAChR,
  • a consequent reduction in circulating anti-nAChR autoantibodies was observed, as was a lower presence of these antibodies at the neuromuscular junction itself.

This work perfectly illustrates the great potential of this approach combining cell and gene therapies in refractory forms of RAch-related myasthenia gravis. The next steps will involve testing the method on patients themselves.

 

Engineered Bi-Specific AChR CAAR T Cells for Selective Elimination of Myasthenia Gravis B Cells. von Wardenburg N, Spagni G, Reincke SM et al. Res Sq [Preprint]. 2026 Mars.