MAGT1 and X-linked immunodeficiency with magnesium defect, Epstein-Barr virus infection and neoplasia: Recently, a pre-clinical study demonstrated that ex vivo correcting autologous T and NK cells from XMEN patients through MAGT1 mRNA electroporation can restore NKG2D receptor expression and rescue cytotoxic activity to normal levels (Brault et al., 2021).