LGALS1 expression was significantly increased in RNA-sequencing data from 200-cell ‘mini-bulks’ of CD34+ HSPCs from patients with AP/BP-MPN (n=10, pre-treatment) vs healthy controls (n=5, Log2FC 2.09; p=0.01, Suppl. The gene discussed is LGALS1; the disease is myeloproliferative neoplasm.