Expression profiling of hematopoietic stem cells/progenitors from young (3 months) and old (12 months) homozygous Jak2 R1063H mice and wild-type controls

While familial and sporadic forms of myeloproliferative neoplasms (MPNs) have long been recognized, emerging evidence implicates germline variations, in predisposing individuals to JAK2 V617F-positive myeloproliferative neoplasms (MPN). Understanding the role of genetic variants, such as the JAK2 germline mutations, in MPN susceptibility, along with the contribution to disease pathogenesis, is crucial for elucidating the underlying mechanisms driving MPN development and progression. To study the biology of germline JAK2 R1063H mutation in more detail, we edited the endogenous Jak2 locus by CRISPR/Cas9 technology. We performed expression gene profiling of young (3 months) and old (12 months) HSC (defined as Lin-, Sca1+/ckithigh, CD150high/CD48low) and LK cells (defined as Lin-, Sca1-/ckithigh).