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Leuk Res. 2010 Aug;34(8):1078-82. doi: 10.1016/j.leukres.2009.10.002. Epub 2009 Nov 6.

miR-138 might reverse multidrug resistance of leukemia cells.

Author information

1
Subsidary Hospital, The Medical University of Ningxia Province, Changle St 17, Yin'chuan 750001, Ningxia Province, China.

Abstract

Here we firstly investigated the role of miR-138 in multidrug resistance of leukemia cells. miR-138 was found up-regulated in the vincristine-induced multidrug resistance (MDR) leukemia cell line HL-60/VCR as compared with HL-60 cells. Up-regulation of miR-138 could reverse resistance of both P-glycoprotein-related and P-glycoprotein-non-related drugs on HL-60/VCR cells, and promote adriamycin-induced apoptosis, accompanied by increased accumulation and decreased releasing amount of adriamycin. miR-138 could significantly down-regulate the expression of P-glycoprotein, Bcl-2, and the transcription of the multidrug resistance gene 1. Further study of the biological functions of miR-138 might be helpful for developing possible strategies to treat leukemia.

PMID:
19896708
DOI:
10.1016/j.leukres.2009.10.002
[Indexed for MEDLINE]

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