Adenosine A3 receptor elicits chemoresistance mediated by multiple resistance-associated protein-1 in human glioblastoma stem-like cells

Angelo Torres, Yosselyn Vargas, Daniel Uribe, Catherine Jaramillo, Alejandra Gleisner, Flavio Salazar-Onfray, Mercedes N. López, Rómulo Melo, Carlos Oyarzún, Rody San Martín, Claudia Quezada

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

MRP1 transporter correlates positively with glioma malignancy and the Multiple Drug Resistance (MDR) phenotype in Glioblastoma Multiforme (GBM). Evidence shows that the MRP1 transporter is controlled by the adenosine signalling axis. The aim of this study was to identify the role of adenosine on the MDR phenotype in Glioblastoma Stem-like Cells (GSCs), the cell population responsible for the tumorigenic and chemoresistance capabilities of this tumour. We found that GSCs have increased intrinsic capacity to generate extracellular adenosine, thus controlling MRP1 transporter expression and activity via activation of the adenosine A3 receptor (A3AR). We showed PI3K/Akt and MEK/ERK1/2 signaling pathways downstream A3AR to control MRP1 in GSCs. In vitro pharmacological blockade of A3AR had a chemosensitizing effect, enhancing the actions of antitumour drugs and decreasing cell viability and proliferation of GSCs. In addition, we produced an in vivo xenograft model by subcutaneous inoculation of human GSCs in NOD/SCID-IL2Rg null mice. Pharmacological blockade of A3AR generated a chemosensitizing effect, enhancing the effectiveness of the MRP1 transporter substrate, vincristine, reducing tumour size and the levels of CD44 and Nestin stem cell markers as well as the Ki-67 proliferation indicator. In conclusion, we demonstrated the chemosensitizing effect of A3AR blockade on GSCs.

Original languageEnglish
Pages (from-to)67373-67386
Number of pages14
JournalOncotarget
Volume7
Issue number41
DOIs
Publication statusPublished - 1 Jan 2016
Externally publishedYes

Fingerprint

Adenosine A3 Receptors
Glioblastoma
Stem Cells
Proteins
Adenosine
Multiple Drug Resistance
Pharmacology
Phenotype
Nestin
Neoplasms
MAP Kinase Signaling System
Mitogen-Activated Protein Kinase Kinases
Vincristine
Phosphatidylinositol 3-Kinases
Heterografts
Glioma
Antineoplastic Agents
Cell Survival
Cell Proliferation

Keywords

  • Adenosine receptors
  • ATP-binding cassette (ABC) transporter superfamily
  • Glioblastoma stem-like cells
  • Multiple drug resistance

ASJC Scopus subject areas

  • Oncology

Cite this

Torres, A., Vargas, Y., Uribe, D., Jaramillo, C., Gleisner, A., Salazar-Onfray, F., ... Quezada, C. (2016). Adenosine A3 receptor elicits chemoresistance mediated by multiple resistance-associated protein-1 in human glioblastoma stem-like cells. Oncotarget, 7(41), 67373-67386. https://doi.org/10.18632/oncotarget.12033
Torres, Angelo ; Vargas, Yosselyn ; Uribe, Daniel ; Jaramillo, Catherine ; Gleisner, Alejandra ; Salazar-Onfray, Flavio ; López, Mercedes N. ; Melo, Rómulo ; Oyarzún, Carlos ; Martín, Rody San ; Quezada, Claudia. / Adenosine A3 receptor elicits chemoresistance mediated by multiple resistance-associated protein-1 in human glioblastoma stem-like cells. In: Oncotarget. 2016 ; Vol. 7, No. 41. pp. 67373-67386.
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abstract = "MRP1 transporter correlates positively with glioma malignancy and the Multiple Drug Resistance (MDR) phenotype in Glioblastoma Multiforme (GBM). Evidence shows that the MRP1 transporter is controlled by the adenosine signalling axis. The aim of this study was to identify the role of adenosine on the MDR phenotype in Glioblastoma Stem-like Cells (GSCs), the cell population responsible for the tumorigenic and chemoresistance capabilities of this tumour. We found that GSCs have increased intrinsic capacity to generate extracellular adenosine, thus controlling MRP1 transporter expression and activity via activation of the adenosine A3 receptor (A3AR). We showed PI3K/Akt and MEK/ERK1/2 signaling pathways downstream A3AR to control MRP1 in GSCs. In vitro pharmacological blockade of A3AR had a chemosensitizing effect, enhancing the actions of antitumour drugs and decreasing cell viability and proliferation of GSCs. In addition, we produced an in vivo xenograft model by subcutaneous inoculation of human GSCs in NOD/SCID-IL2Rg null mice. Pharmacological blockade of A3AR generated a chemosensitizing effect, enhancing the effectiveness of the MRP1 transporter substrate, vincristine, reducing tumour size and the levels of CD44 and Nestin stem cell markers as well as the Ki-67 proliferation indicator. In conclusion, we demonstrated the chemosensitizing effect of A3AR blockade on GSCs.",
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Torres, A, Vargas, Y, Uribe, D, Jaramillo, C, Gleisner, A, Salazar-Onfray, F, López, MN, Melo, R, Oyarzún, C, Martín, RS & Quezada, C 2016, 'Adenosine A3 receptor elicits chemoresistance mediated by multiple resistance-associated protein-1 in human glioblastoma stem-like cells', Oncotarget, vol. 7, no. 41, pp. 67373-67386. https://doi.org/10.18632/oncotarget.12033

Adenosine A3 receptor elicits chemoresistance mediated by multiple resistance-associated protein-1 in human glioblastoma stem-like cells. / Torres, Angelo; Vargas, Yosselyn; Uribe, Daniel; Jaramillo, Catherine; Gleisner, Alejandra; Salazar-Onfray, Flavio; López, Mercedes N.; Melo, Rómulo; Oyarzún, Carlos; Martín, Rody San; Quezada, Claudia.

In: Oncotarget, Vol. 7, No. 41, 01.01.2016, p. 67373-67386.

Research output: Contribution to journalArticle

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T1 - Adenosine A3 receptor elicits chemoresistance mediated by multiple resistance-associated protein-1 in human glioblastoma stem-like cells

AU - Torres, Angelo

AU - Vargas, Yosselyn

AU - Uribe, Daniel

AU - Jaramillo, Catherine

AU - Gleisner, Alejandra

AU - Salazar-Onfray, Flavio

AU - López, Mercedes N.

AU - Melo, Rómulo

AU - Oyarzún, Carlos

AU - Martín, Rody San

AU - Quezada, Claudia

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