Acute myelogenous leukemia cells with the MLL-ELL translocation convert morphologically and functionally into adherent myofibroblasts

Biochemical and Biophysical Research Communications
Haruko TashiroNaoki Shirafuji

Abstract

Bone marrow-myofibroblasts, a major component of bone marrow-stroma, are reported to originate from hematopoietic stem cells. We show in this paper that non-adherent leukemia blasts can change into myofibroblasts. When myeloblasts from two cases of acute myelogenous leukemia with a fusion product comprising mixed lineage leukemia and RNA polymerase II elongation factor, were cultured long term, their morphology changed to that of myofibroblasts with similar molecular characteristics to the parental myeloblasts. The original leukemia blasts, when cultured on the leukemia blast-derived myofibroblasts, grew extensively. Leukemia blasts can create their own microenvironment for proliferation.

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Citations

Jul 7, 2011·International Journal of Hematology·Ryosuke ShirasakiNaoki Shirafuji
Dec 5, 2014·Oncotarget·Lizzia RaffaghelloDomenico Ribatti
Oct 18, 2020·Biochemical and Biophysical Research Communications·Takuji MatsuoNaoki Shirafuji

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