Multidrug resistance protein expression of adult T-cell leukemia/lymphoma

Takeshi Yasunami, Yan hua Wang, Kazue Tsuji, Minoko Takanashi, Yasuaki Yamada, Toshiko Motoji*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

In adult T-cell leukemia/lymphoma (ATL), it is difficult to achieve remission and the reason for the resistance to chemotherapeutic agents may be linked to the presence of multidrug resistance (MDR) proteins. Lung resistance-related protein (LRP), multidrug resistance-associated protein and P-glycoprotein are three MDR proteins which we examined in ATL cells using multiparametric flow cytometry and real-time RT-PCR. LRP was highly expressed and suppressing LRP function increased doxorubicin accumulation in nuclei. This indicates LRP may be contributing to drug resistance in ATL patients, and the suppression of LRP function could be a new strategy for ATL treatment.

Original languageEnglish
Pages (from-to)465-470
Number of pages6
JournalLeukemia Research
Volume31
Issue number4
DOIs
Publication statusPublished - Apr 2007
Externally publishedYes

Keywords

  • Adult T-cell leukemia/lymphoma
  • Lung resistance-related protein (LRP)
  • Multidrug resistance protein (MDR)
  • Multidrug resistance-associated protein (MRP)
  • P-glycoprotein (P-gp)

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