Glucocorticoid-Induced Proliferation in Untreated Pediatric Acute Myeloid Leukemic Blasts.

Abstract:

:We evaluated the in vitro glucocorticoid (GC) responsiveness of 117 pediatric acute myeloid leukemia cells by considering GC resistance, GC-induced proliferation, and GC-induced differentiation. None of the samples was highly GC sensitive, and only 15% were intermediately sensitive. GC-induced differentiation was not observed, while GC-induced proliferation was observed in 27% of the samples. Samples with French-American-British classification (FAB) type M5 or activating Fms-like tyrosine kinase 3 (FLT3) mutations were significantly more prone to this phenomenon. Although we could not confirm this in our study, if induced proliferation in vitro is paralleled in vivo, GCs during consolidation may have adverse effects on minimal residual leukemic cells, which might increase relapse risk.

journal_name

Pediatr Blood Cancer

journal_title

Pediatric blood & cancer

authors

Klein K,Haarman EG,de Haas V,Zwaan ChM,Creutzig U,Kaspers GL

doi

10.1002/pbc.26011

subject

Has Abstract

pub_date

2016-08-01 00:00:00

pages

1457-60

issue

8

eissn

1545-5009

issn

1545-5017

journal_volume

63

pub_type

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