Increased MCL1 dependency leads to new applications of BH3-mimetics in drug-resistant neuroblastoma
© 2023. The Author(s)..
BACKGROUND: Neuroblastoma is a paediatric cancer that is characterised by poor prognosis for chemoresistant disease, highlighting the need for better treatment options. Here, we asked whether BH3-mimetics inhibiting BCL2 proteins may eliminate chemoresistant neuroblastoma cells.
METHODS: We utilised cisplatin-adapted neuroblastoma cell lines as well as patient tissues before and after relapse to study alterations of BCL2 proteins upon chemoresistance.
RESULTS: In a direct comparison of cisplatin-resistant cells we identified a prominent loss of sensitivity to BCL2/BCL-XL inhibitors that is associated with an increase in MCL1 dependency and high expression of MCL1 in patient tumour tissues. Screening of FDA-approved anti-cancer drugs in chemoresistant cells identified therapeutics that may be beneficial in combination with the clinically tested BH3-mimetic ABT263, but no synergistic drug interactions with the selective MCL1 inhibitor S63845. Further exploration of potential treatment options for chemoresistant neuroblastoma identified immunotherapy based on NK cells as highly promising, since NK cells are able to efficiently kill both parental and chemoresistant cells.
CONCLUSIONS: These data highlight that the application of BH3-mimetics may differ between first line treatment and relapsed disease. Combination of NK cell-based immunotherapy with BH3-mimetics may further increase killing of chemoresistant neuroblastoma, outlining a new treatment strategy for relapsed neuroblastoma.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:129 |
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| Enthalten in: |
British journal of cancer - 129(2023), 10 vom: 19. Nov., Seite 1667-1678 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Jacob, Maureen [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 16.11.2023 Date Revised 29.11.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1038/s41416-023-02430-8 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM362201528 |
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| 041 | |a eng | ||
| 100 | 1 | |a Jacob, Maureen |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Increased MCL1 dependency leads to new applications of BH3-mimetics in drug-resistant neuroblastoma |
| 264 | 1 | |c 2023 | |
| 336 | |a Text |b txt |2 rdacontent | ||
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| 500 | |a Date Completed 16.11.2023 | ||
| 500 | |a Date Revised 29.11.2023 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2023. The Author(s). | ||
| 520 | |a BACKGROUND: Neuroblastoma is a paediatric cancer that is characterised by poor prognosis for chemoresistant disease, highlighting the need for better treatment options. Here, we asked whether BH3-mimetics inhibiting BCL2 proteins may eliminate chemoresistant neuroblastoma cells | ||
| 520 | |a METHODS: We utilised cisplatin-adapted neuroblastoma cell lines as well as patient tissues before and after relapse to study alterations of BCL2 proteins upon chemoresistance | ||
| 520 | |a RESULTS: In a direct comparison of cisplatin-resistant cells we identified a prominent loss of sensitivity to BCL2/BCL-XL inhibitors that is associated with an increase in MCL1 dependency and high expression of MCL1 in patient tumour tissues. Screening of FDA-approved anti-cancer drugs in chemoresistant cells identified therapeutics that may be beneficial in combination with the clinically tested BH3-mimetic ABT263, but no synergistic drug interactions with the selective MCL1 inhibitor S63845. Further exploration of potential treatment options for chemoresistant neuroblastoma identified immunotherapy based on NK cells as highly promising, since NK cells are able to efficiently kill both parental and chemoresistant cells | ||
| 520 | |a CONCLUSIONS: These data highlight that the application of BH3-mimetics may differ between first line treatment and relapsed disease. Combination of NK cell-based immunotherapy with BH3-mimetics may further increase killing of chemoresistant neuroblastoma, outlining a new treatment strategy for relapsed neuroblastoma | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 7 | |a Myeloid Cell Leukemia Sequence 1 Protein |2 NLM | |
| 650 | 7 | |a Proto-Oncogene Proteins |2 NLM | |
| 650 | 7 | |a Cisplatin |2 NLM | |
| 650 | 7 | |a Q20Q21Q62J |2 NLM | |
| 650 | 7 | |a Proto-Oncogene Proteins c-bcl-2 |2 NLM | |
| 650 | 7 | |a Antineoplastic Agents |2 NLM | |
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| 700 | 1 | |a Brücher, Daniela |e verfasserin |4 aut | |
| 700 | 1 | |a Pieper, Nadja M |e verfasserin |4 aut | |
| 700 | 1 | |a Birkhold, Moni |e verfasserin |4 aut | |
| 700 | 1 | |a Särchen, Vinzenz |e verfasserin |4 aut | |
| 700 | 1 | |a Jeroch, Jan |e verfasserin |4 aut | |
| 700 | 1 | |a Demes, Melanie C |e verfasserin |4 aut | |
| 700 | 1 | |a Gretser, Steffen |e verfasserin |4 aut | |
| 700 | 1 | |a Braun, Yannick |e verfasserin |4 aut | |
| 700 | 1 | |a Gradhand, Elise |e verfasserin |4 aut | |
| 700 | 1 | |a Rothweiler, Florian |e verfasserin |4 aut | |
| 700 | 1 | |a Michaelis, Martin |e verfasserin |4 aut | |
| 700 | 1 | |a Cinatl, Jindrich |c Jr |e verfasserin |4 aut | |
| 700 | 1 | |a Vogler, Meike |e verfasserin |4 aut | |
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