CD200 and chronic myelogenous leukemia, BCR-ABL1 positive: This is in line with global mRNA microarray analysis using HSCs and progenitor cell populations from CP-CML, BP-CML and non-leukaemic donors, which previously revealed that CP-CML LSCs exhibit an oxidative phenotype with highly expressed mitochondrial respiratory chain (MRC) genes compared to non-leukaemic HSCs [54].