Precipitous Release of Methyl-CpG Binding Protein 2 and Histone Deacetylase 1 from the Methylated Human Multidrug Resistance Gene (MDR1) on Activation

A El-Osta, P Kantharidis, JR Zalcberg… - Molecular and cellular …, 2002 - Taylor & Francis
Overexpression of the human multidrug resistance gene 1 (MDR1) is a negative prognostic
factor in leukemia. Despite intense efforts to characterize the gene at the molecular level …

Histone Methyltransferase MLL1 Regulates MDR1 Transcription and Chemoresistance

H Huo, PG Magro, EC Pietsch, BB Patel, KW Scotto - Cancer research, 2010 - AACR
The multidrug resistance 1 gene (MDR1) encodes P-glycoprotein (Pgp), a member of the
ATP-binding cassette (ABC) transporter family that confers tumor drug resistance by actively …

Association of 5′ CpG demethylation and altered chromatin structure in the promoter region with transcriptional activation of the multidrug resistance 1 gene in …

H Kusaba, M Nakayama, T Harada… - European journal of …, 1999 - Wiley Online Library
Selection of human cells for resistance to vincristine or doxorubicin often induces
overexpression of the multidrug resistance 1 gene (MDR1), which encodes the cell surface …

Epigenetic changes to the MDR1 locus in response to chemotherapeutic drugs

EK Baker, RW Johnstone, JR Zalcberg, A El-Osta - Oncogene, 2005 - nature.com
The mechanism of action of chemotherapeutic drugs and their ability to induce multidrug
resistance (MDR) are of relevance to cancer treatment. Overexpression of P-glycoprotein …

Altered methylation of the human MDR1 promoter is associated with acquired multidrug resistance.

P Kantharidis, A El-Osta, M DeSilva, DM Wall… - Clinical cancer research …, 1997 - AACR
One of the most important forms of drug resistance in acute myeloid leukemia is the
multidrug resistance (MDR) phenotype, which is characterized by the expression of the …

Decitabine (5-Aza-2′-deoxycytidine) decreased DNA methylation and expression of MDR-1 gene in K562/ADM cells

T Ando, M Nishimura, Y Oka - Leukemia, 2000 - nature.com
Multidrug resistance (MDR) is a major problem in patients with hematological malignancies.
Although drug-resistance is known to be induced by the expression of P-glycoprotein (P-gp) …

Demethylation of the humanMDR1 5′ region accompanies activation of P-glycoprotein expression in a HL60 multidrug resistant subline

L Desiderato, MW Davey, AA Piper - Somatic cell and molecular genetics, 1997 - Springer
Chemotherapy is frequently limited by the development of multidrug resistance, a major
cause of which is activation of the P-glycoprotein-encoding MDR1 gene. We have previously …

The rise of DNA methylation and the importance of chromatin on multidrug resistance in cancer

EK Baker, A El-Osta - Experimental cell research, 2003 - Elsevier
In recent years, the different classes of drugs and regimens used clinically have provided an
improvement in tumour management. However, treatment is often palliative for the majority …

MDR1 promoter hypermethylation in MCF-7 human breast cancer cells: changes in chromatin structure induced by treatment with 5-Aza-cytidine

GL David, S Yegnasubramanian, A Kumar… - Cancer biology & …, 2004 - Taylor & Francis
Resistance to the cytotoxic actions of antineoplastic drugs, whether intrinsic or acquired,
remains a barrier to the establishment of curative chemotherapy regimens for advanced …

MDR1, Chemotherapy and chromatin remodeling

EK Baker, A El-Osta - Cancer biology & therapy, 2004 - Taylor & Francis
The development of multidrug resistance (MDR) in cancer can severely impede the efficacy
of chemotherapy treatment. P-glycoprotein (Pgp) overexpression, encoded by the MDR1 …