Cytokine receptor IL27RA is an NF-κB-responsive gene involved in CD38 upregulation in multiple myeloma
© 2023 by The American Society of Hematology. Licensed under Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0), permitting only noncommercial, nonderivative use with attribution. All other rights reserved..
Multiple myeloma (MM) shows constitutive activation of canonical and noncanonical nuclear factor κB (NF-κB) signaling via genetic mutations or tumor microenvironment (TME) stimulations. A subset of MM cell lines showed dependency for cell growth and survival on the canonical NF-κB transcription factor RELA alone, suggesting a critical role for a RELA-mediated biological program in MM pathogenesis. Here, we determined the RELA-dependent transcriptional program in MM cell lines and found the expression of the cell surface molecules interleukin-27 receptor-α (IL-27Rα) and the adhesion molecule JAM2 to be responsive to RELA at the messenger RNA and protein levels. IL-27Rα and JAM2 were expressed on primary MM cells at higher levels than on healthy long-lived plasma cells (PCs) in the bone marrow. IL-27 activated STAT1, and to a lesser extent STAT3, in MM cell lines and in PCs generated from memory B cells in an IL-21-dependent in vitro PC differentiation assay. Concomitant activity of IL-21 and IL-27 enhanced differentiation into PCs and increased the cell-surface expression of the known STAT target gene CD38. In accordance, a subset of MM cell lines and primary MM cells cultured with IL-27 upregulated CD38 cell-surface expression, a finding with potential implications for enhancing the efficacy of CD38-directed monoclonal antibody therapies by increasing CD38 expression on tumor cells. The elevated expression of IL-27Rα and JAM2 on MM cells compared with that on healthy PCs may be exploited for the development of targeted therapeutic strategies that modulate the interaction of MM cells with the TME.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:7 |
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| Enthalten in: |
Blood advances - 7(2023), 15 vom: 08. Aug., Seite 3874-3890 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Brownlie, Rebecca J [VerfasserIn] |
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| Links: |
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| Themen: |
CD38 protein, human |
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| Anmerkungen: |
Date Completed 31.07.2023 Date Revised 14.02.2024 published: Print Citation Status MEDLINE |
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| doi: |
10.1182/bloodadvances.2022009044 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM353734748 |
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| 245 | 1 | 0 | |a Cytokine receptor IL27RA is an NF-κB-responsive gene involved in CD38 upregulation in multiple myeloma |
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| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2023 by The American Society of Hematology. Licensed under Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0), permitting only noncommercial, nonderivative use with attribution. All other rights reserved. | ||
| 520 | |a Multiple myeloma (MM) shows constitutive activation of canonical and noncanonical nuclear factor κB (NF-κB) signaling via genetic mutations or tumor microenvironment (TME) stimulations. A subset of MM cell lines showed dependency for cell growth and survival on the canonical NF-κB transcription factor RELA alone, suggesting a critical role for a RELA-mediated biological program in MM pathogenesis. Here, we determined the RELA-dependent transcriptional program in MM cell lines and found the expression of the cell surface molecules interleukin-27 receptor-α (IL-27Rα) and the adhesion molecule JAM2 to be responsive to RELA at the messenger RNA and protein levels. IL-27Rα and JAM2 were expressed on primary MM cells at higher levels than on healthy long-lived plasma cells (PCs) in the bone marrow. IL-27 activated STAT1, and to a lesser extent STAT3, in MM cell lines and in PCs generated from memory B cells in an IL-21-dependent in vitro PC differentiation assay. Concomitant activity of IL-21 and IL-27 enhanced differentiation into PCs and increased the cell-surface expression of the known STAT target gene CD38. In accordance, a subset of MM cell lines and primary MM cells cultured with IL-27 upregulated CD38 cell-surface expression, a finding with potential implications for enhancing the efficacy of CD38-directed monoclonal antibody therapies by increasing CD38 expression on tumor cells. The elevated expression of IL-27Rα and JAM2 on MM cells compared with that on healthy PCs may be exploited for the development of targeted therapeutic strategies that modulate the interaction of MM cells with the TME | ||
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| 700 | 1 | |a Wilson, Erica B |e verfasserin |4 aut | |
| 700 | 1 | |a Milanovic, Maja |e verfasserin |4 aut | |
| 700 | 1 | |a Taylor, Claire F |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Dapeng |e verfasserin |4 aut | |
| 700 | 1 | |a Davies, John R |e verfasserin |4 aut | |
| 700 | 1 | |a Owston, Heather |e verfasserin |4 aut | |
| 700 | 1 | |a Adams, Emma J |e verfasserin |4 aut | |
| 700 | 1 | |a Stephenson, Sophie |e verfasserin |4 aut | |
| 700 | 1 | |a Caeser, Rebecca |e verfasserin |4 aut | |
| 700 | 1 | |a Gewurz, Benjamin E |e verfasserin |4 aut | |
| 700 | 1 | |a Giannoudis, Peter V |e verfasserin |4 aut | |
| 700 | 1 | |a Scuoppo, Claudio |e verfasserin |4 aut | |
| 700 | 1 | |a McGonagle, Dennis |e verfasserin |4 aut | |
| 700 | 1 | |a Hodson, Daniel J |e verfasserin |4 aut | |
| 700 | 1 | |a Tooze, Reuben M |e verfasserin |4 aut | |
| 700 | 1 | |a Doody, Gina M |e verfasserin |4 aut | |
| 700 | 1 | |a Cook, Gordon |e verfasserin |4 aut | |
| 700 | 1 | |a Westhead, David R |e verfasserin |4 aut | |
| 700 | 1 | |a Klein, Ulf |e verfasserin |4 aut | |
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