Comparative study on ABCB1-dependent efflux of anthracyclines and their metabolites : consequences for cancer resistance
1. ABCB1 (P-glycoprotein, MDR1) is one of the most important transporter involved in cancer multi-drug resistance. It also plays a significant role in cancer resistance against anthracyclines, an anticancer group of drugs, including doxorubicin and daunorubicin. Several intracellular enzymes metabolise anthracyclines to carbonyl-reduced, hydroxy metabolites, which have impaired cytotoxic properties. However, metabolite efflux by ABCB1 transporter is not well characterised, while it may be the mechanism responsible for the metabolites' lack of activity.2. In this study recombinant ABCB1 ATPase transporter assay; anthracyclines accumulation assay in resistant cells overexpressing ABCB1; and molecular modelling were used to investigate anthracyclines: doxorubicin and daunorubicin and their carbonyl-reduced metabolites (doxorubicinol, daunorubicinol) susceptibility for ABCB1-dependent efflux.3. Based on the kinetics parameters of ATPase activity of ABCB1, it was found that daunorubicinol exerted an exceptionally high potential for being effluxed by the ABCB1 transporter. ABCB1 significantly affected the accumulation pattern of studied chemicals in resistant cancer cells. Doxorubicin and daunorubicinol accumulation were influenced by the activity of ABCB1 modulator - valspodar.4. Results indicate that ABCB1 activity affects not only anthracyclines but also their metabolites. Therefore crosstalk between the process of anthracyclines metabolism and metabolite efflux may be the mechanism of impairing anticancer properties of anthracyclines metabolites.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:53 |
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| Enthalten in: |
Xenobiotica; the fate of foreign compounds in biological systems - 53(2023), 6-7 vom: 11. Dez., Seite 507-514 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Piska, Kamil [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 08.11.2023 Date Revised 08.11.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1080/00498254.2023.2264391 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a 1. ABCB1 (P-glycoprotein, MDR1) is one of the most important transporter involved in cancer multi-drug resistance. It also plays a significant role in cancer resistance against anthracyclines, an anticancer group of drugs, including doxorubicin and daunorubicin. Several intracellular enzymes metabolise anthracyclines to carbonyl-reduced, hydroxy metabolites, which have impaired cytotoxic properties. However, metabolite efflux by ABCB1 transporter is not well characterised, while it may be the mechanism responsible for the metabolites' lack of activity.2. In this study recombinant ABCB1 ATPase transporter assay; anthracyclines accumulation assay in resistant cells overexpressing ABCB1; and molecular modelling were used to investigate anthracyclines: doxorubicin and daunorubicin and their carbonyl-reduced metabolites (doxorubicinol, daunorubicinol) susceptibility for ABCB1-dependent efflux.3. Based on the kinetics parameters of ATPase activity of ABCB1, it was found that daunorubicinol exerted an exceptionally high potential for being effluxed by the ABCB1 transporter. ABCB1 significantly affected the accumulation pattern of studied chemicals in resistant cancer cells. Doxorubicin and daunorubicinol accumulation were influenced by the activity of ABCB1 modulator - valspodar.4. Results indicate that ABCB1 activity affects not only anthracyclines but also their metabolites. Therefore crosstalk between the process of anthracyclines metabolism and metabolite efflux may be the mechanism of impairing anticancer properties of anthracyclines metabolites | ||
| 650 | 4 | |a Comparative Study | |
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a ABCB1 | |
| 650 | 4 | |a Anthracyclines | |
| 650 | 4 | |a cancer resistance | |
| 650 | 4 | |a metabolites | |
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| 650 | 7 | |a Adenosine Triphosphatases |2 NLM | |
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| 700 | 1 | |a Koczurkiewicz-Adamczyk, Paulina |e verfasserin |4 aut | |
| 700 | 1 | |a Jamrozik, Marek |e verfasserin |4 aut | |
| 700 | 1 | |a Bucki, Adam |e verfasserin |4 aut | |
| 700 | 1 | |a Kołaczkowski, Marcin |e verfasserin |4 aut | |
| 700 | 1 | |a Pękala, Elżbieta |e verfasserin |4 aut | |
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