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Corrigendum Free access | 10.1172/jci.insight.173312

CD84 is a regulator of the immunosuppressive microenvironment in multiple myeloma

Hadas Lewinsky, Emine G. Gunes, Keren David, Lihi Radomir, Matthias P. Kramer, Bianca Pellegrino, Michal Perpinial, Jing Chen, Ting-fang He, Anthony G. Mansour, Kun-Yu Teng, Supriyo Bhattacharya, Enrico Caserta, Estelle Troadec, Peter Lee, Mingye Feng, Jonathan Keats, Amrita Krishnan, Michael Rosenzweig, Jianhua Yu, Michael A. Caligiuri, Yosef Cohen, Olga Shevetz, Shirly Becker-Herman, Flavia Pichiorri, Steven Rosen, and Idit Shachar

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Published July 24, 2023 - More info

Published in Volume 8, Issue 14 on July 24, 2023
JCI Insight. 2023;8(14):e173312. https://doi.org/10.1172/jci.insight.173312.
© 2023 The American Society for Clinical Investigation
Published July 24, 2023 - Version history
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Related article:

CD84 is a regulator of the immunosuppressive microenvironment in multiple myeloma
Hadas Lewinsky, … , Steven Rosen, Idit Shachar
Hadas Lewinsky, … , Steven Rosen, Idit Shachar
Research Article Hematology Oncology Article has an altmetric score of 256

CD84 is a regulator of the immunosuppressive microenvironment in multiple myeloma

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Abstract

Multiple myeloma (MM) is characterized by an accumulation of malignant plasma cells (PCs) within the BM. The BM microenvironment supports survival of the malignant cells and is composed of cellular fractions that foster myeloma development and progression by suppression of the immune response. Despite major progress in understanding the biology and pathophysiology of MM, this disease is still incurable and requires aggressive treatment with significant side effects. CD84 is a self-binding immunoreceptor belonging to the signaling lymphocyte activation molecule (SLAM) family. Previously, we showed that CD84 bridges between chronic lymphocytic leukemia cells and their microenvironment, and it regulates T cell function. In the current study, we investigated the role of CD84 in MM. Our results show that MM cells express low levels of CD84. However, these cells secrete the cytokine macrophage migration inhibitory factor (MIF), which induces CD84 expression on cells in their microenvironment. Its activation leads to an elevation of expression of genes regulating differentiation to monocytic/granulocytic–myeloid-derived suppressor cells (M-MDSCs and G-MDSCs, respectively) and upregulation of PD-L1 expression on MDSCs, which together suppress T cell function. Downregulation of CD84 or its blocking reduce MDSC accumulation, resulting in elevated T cell activity and reduced tumor load. Our data suggest that CD84 might serve as a novel therapeutic target in MM.

Authors

Hadas Lewinsky, Emine G. Gunes, Keren David, Lihi Radomir, Matthias P. Kramer, Bianca Pellegrino, Michal Perpinial, Jing Chen, Ting-fang He, Anthony G. Mansour, Kun-Yu Teng, Supriyo Bhattacharya, Enrico Caserta, Estelle Troadec, Peter Lee, Mingye Feng, Jonathan Keats, Amrita Krishnan, Michael Rosenzweig, Jianhua Yu, Michael A. Caligiuri, Yosef Cohen, Olga Shevetz, Shirly Becker-Herman, Flavia Pichiorri, Steven Rosen, Idit Shachar

×

Original citation: JCI Insight. 2021;6(4):e141683. https://doi.org/10.1172/jci.insight.141683

Citation for this corrigendum: JCI Insight. 2023;8(14):e173312. https://doi.org/10.1172/jci.insight.173312

The authors recently became aware of inadvertent errors in Figure 1F. In the original version, the representative flow plots provided for CD14– HD-PD and CD14+ HD-PD were incorrect. The correct figure part is shown below.

Figure 1

The authors regret the errors.

Footnotes

See the related article at CD84 is a regulator of the immunosuppressive microenvironment in Multiple Myeloma.

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