Ectopic expression of PAX5 promotes self renewal of bi-phenotypic myeloid progenitors co-expressing myeloid and B-cell lineage associated genes.
The transcription factor PAX5 is a critical regulator of B-cell commitment and development. Although normally not expressed in myeloid progenitors, PAX5 has recently been shown to be frequently expressed in myeloid malignancies and to suppress expression of myeloid differentiation genes, compatible with an effect on the differentiation or maintenance of myeloid progenitors. However, previous studi