ABCA2 and acute lymphoblastic leukemia: The research of Elaheh S. Ghodousi and Soheila Rahgozar has shown that downregulation of miRNA-326 is inversely correlated with overexpression of ABCA2 and ABCA3 in minimal residual disease-positive (MRD+) patients, which is why it might be a prognostic factor for drug resistance in BCP-ALL.