Revisiting ABC Transporters and Their Clinical Significance in Glioblastoma

<b>Background</b>: The multiple drug-resistant phenomenon has long since plagued the effectiveness of various chemotherapies used in the treatment of patients with glioblastoma (GBM), which is still incurable to this day. ATP-binding cassette (ABC) transporters function as drug transport...

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Main Authors: Brandon Wee Siang Phon, Shalini Sundramurthi Chelliah, Dina El-Rabie Osman, Saatheeyavaane Bhuvanendran, Ammu Kutty Radhakrishnan, Muhamad Noor Alfarizal Kamarudin
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Language:English
Published: MDPI AG 2025-01-01
Series:Pharmaceuticals
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Online Access:https://www.mdpi.com/1424-8247/18/1/102
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author Brandon Wee Siang Phon
Shalini Sundramurthi Chelliah
Dina El-Rabie Osman
Saatheeyavaane Bhuvanendran
Ammu Kutty Radhakrishnan
Muhamad Noor Alfarizal Kamarudin
author_facet Brandon Wee Siang Phon
Shalini Sundramurthi Chelliah
Dina El-Rabie Osman
Saatheeyavaane Bhuvanendran
Ammu Kutty Radhakrishnan
Muhamad Noor Alfarizal Kamarudin
author_sort Brandon Wee Siang Phon
collection DOAJ
description <b>Background</b>: The multiple drug-resistant phenomenon has long since plagued the effectiveness of various chemotherapies used in the treatment of patients with glioblastoma (GBM), which is still incurable to this day. ATP-binding cassette (ABC) transporters function as drug transporters and have been touted to be the main culprits in developing resistance to xenobiotic drugs in GBM. <b>Methods</b>: This review systematically analyzed the efficacy of ABC transporters against various anticancer drugs from 16 studies identified from five databases (PubMed, Medline, Embase, Scopus, and ScienceDirect). <b>Results</b>: Inhibition of ABC transporters, especially ABCB1, improved drug efficacies. Staple GBM phenotypes, such as GBM stem cells and increased activation of the PI3K/Akt/NF-κB pathway, have been implicated in the expression of several ABC transporters. Using the datasets in The Cancer Genome Atlas and Gene Expression Omnibus, we found upregulated ABC transporters that either negatively impacted survival in univariate analyses (ABCA1, ABCA13, ABCB9, ABCD4) or were independent negative prognosis factors for patients with GBM (ABCA13, ABCB9). Our multivariate analysis further demonstrated three ABC transporters, ABCA13 (Hazard Ratio (HR) = 1.31, <i>p</i> = 0.017), ABCB9 (HR = 1.26, <i>p</i> = 0.03), and ABCB5 (HR = 0.77, <i>p</i> = 0.016), with the administration of alkylating agents (HR = 0.41, <i>p</i> < 0.001), were independent negative prognosis factors for patients with GBM. Conclusions: These findings reinforce the important role played by ABC transporters, particularly by ABCA13, ABCB9, and ABCB1, which could be potential targets that warrant further evaluations for alternate strategies to augment the effects of existing alkylating agents and xenobiotic drugs.
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spelling doaj-art-a307c2dd52b3494b9f6536165e820e582025-01-24T13:45:24ZengMDPI AGPharmaceuticals1424-82472025-01-0118110210.3390/ph18010102Revisiting ABC Transporters and Their Clinical Significance in GlioblastomaBrandon Wee Siang Phon0Shalini Sundramurthi Chelliah1Dina El-Rabie Osman2Saatheeyavaane Bhuvanendran3Ammu Kutty Radhakrishnan4Muhamad Noor Alfarizal Kamarudin5Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway 47500, Selangor, MalaysiaJeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway 47500, Selangor, MalaysiaJeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway 47500, Selangor, MalaysiaJeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway 47500, Selangor, MalaysiaJeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway 47500, Selangor, MalaysiaJeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway 47500, Selangor, Malaysia<b>Background</b>: The multiple drug-resistant phenomenon has long since plagued the effectiveness of various chemotherapies used in the treatment of patients with glioblastoma (GBM), which is still incurable to this day. ATP-binding cassette (ABC) transporters function as drug transporters and have been touted to be the main culprits in developing resistance to xenobiotic drugs in GBM. <b>Methods</b>: This review systematically analyzed the efficacy of ABC transporters against various anticancer drugs from 16 studies identified from five databases (PubMed, Medline, Embase, Scopus, and ScienceDirect). <b>Results</b>: Inhibition of ABC transporters, especially ABCB1, improved drug efficacies. Staple GBM phenotypes, such as GBM stem cells and increased activation of the PI3K/Akt/NF-κB pathway, have been implicated in the expression of several ABC transporters. Using the datasets in The Cancer Genome Atlas and Gene Expression Omnibus, we found upregulated ABC transporters that either negatively impacted survival in univariate analyses (ABCA1, ABCA13, ABCB9, ABCD4) or were independent negative prognosis factors for patients with GBM (ABCA13, ABCB9). Our multivariate analysis further demonstrated three ABC transporters, ABCA13 (Hazard Ratio (HR) = 1.31, <i>p</i> = 0.017), ABCB9 (HR = 1.26, <i>p</i> = 0.03), and ABCB5 (HR = 0.77, <i>p</i> = 0.016), with the administration of alkylating agents (HR = 0.41, <i>p</i> < 0.001), were independent negative prognosis factors for patients with GBM. Conclusions: These findings reinforce the important role played by ABC transporters, particularly by ABCA13, ABCB9, and ABCB1, which could be potential targets that warrant further evaluations for alternate strategies to augment the effects of existing alkylating agents and xenobiotic drugs.https://www.mdpi.com/1424-8247/18/1/102glioblastomaABC transportersdrug transportincreased drug efficacytemozolomidealkylating agents
spellingShingle Brandon Wee Siang Phon
Shalini Sundramurthi Chelliah
Dina El-Rabie Osman
Saatheeyavaane Bhuvanendran
Ammu Kutty Radhakrishnan
Muhamad Noor Alfarizal Kamarudin
Revisiting ABC Transporters and Their Clinical Significance in Glioblastoma
Pharmaceuticals
glioblastoma
ABC transporters
drug transport
increased drug efficacy
temozolomide
alkylating agents
title Revisiting ABC Transporters and Their Clinical Significance in Glioblastoma
title_full Revisiting ABC Transporters and Their Clinical Significance in Glioblastoma
title_fullStr Revisiting ABC Transporters and Their Clinical Significance in Glioblastoma
title_full_unstemmed Revisiting ABC Transporters and Their Clinical Significance in Glioblastoma
title_short Revisiting ABC Transporters and Their Clinical Significance in Glioblastoma
title_sort revisiting abc transporters and their clinical significance in glioblastoma
topic glioblastoma
ABC transporters
drug transport
increased drug efficacy
temozolomide
alkylating agents
url https://www.mdpi.com/1424-8247/18/1/102
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AT dinaelrabieosman revisitingabctransportersandtheirclinicalsignificanceinglioblastoma
AT saatheeyavaanebhuvanendran revisitingabctransportersandtheirclinicalsignificanceinglioblastoma
AT ammukuttyradhakrishnan revisitingabctransportersandtheirclinicalsignificanceinglioblastoma
AT muhamadnooralfarizalkamarudin revisitingabctransportersandtheirclinicalsignificanceinglioblastoma