MTHFR and Thrombocytopenia: Conversely, a study conducted in 2023 on 271 Chinese children undergoing ALL treatment observed an association between the MTHFR rs1801133 GG genotype (GG vs. A) and neutropenia (p < 0.05), as well as thrombocytopenia (p < 0.05), among patients at low risk of relapse.