Extensive Remodeling of the Immune Microenvironment in B Cell Acute Lymphoblastic Leukemia

A subset of B cell acute lymphoblastic leukemia (B-ALL) patients will relapse and succumb to therapy-resistant disease. The bone marrow microenvironment may support B-ALL progression and treatment evasion. Utilizing single-cell approaches, we demonstrate B-ALL bone marrow immune microenvironment rem...

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Veröffentlicht in:Cancer cell 2020-06, Vol.37 (6), p.867-882.e12
Hauptverfasser: Witkowski, Matthew T., Dolgalev, Igor, Evensen, Nikki A., Ma, Chao, Chambers, Tiffany, Roberts, Kathryn G., Sreeram, Sheetal, Dai, Yuling, Tikhonova, Anastasia N., Lasry, Audrey, Qu, Chunxu, Pei, Deqing, Cheng, Cheng, Robbins, Gabriel A., Pierro, Joanna, Selvaraj, Shanmugapriya, Mezzano, Valeria, Daves, Marla, Lupo, Philip J., Scheurer, Michael E., Loomis, Cynthia A., Mullighan, Charles G., Chen, Weiqiang, Rabin, Karen R., Tsirigos, Aristotelis, Carroll, William L., Aifantis, Iannis
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container_end_page 882.e12
container_issue 6
container_start_page 867
container_title Cancer cell
container_volume 37
creator Witkowski, Matthew T.
Dolgalev, Igor
Evensen, Nikki A.
Ma, Chao
Chambers, Tiffany
Roberts, Kathryn G.
Sreeram, Sheetal
Dai, Yuling
Tikhonova, Anastasia N.
Lasry, Audrey
Qu, Chunxu
Pei, Deqing
Cheng, Cheng
Robbins, Gabriel A.
Pierro, Joanna
Selvaraj, Shanmugapriya
Mezzano, Valeria
Daves, Marla
Lupo, Philip J.
Scheurer, Michael E.
Loomis, Cynthia A.
Mullighan, Charles G.
Chen, Weiqiang
Rabin, Karen R.
Tsirigos, Aristotelis
Carroll, William L.
Aifantis, Iannis
description A subset of B cell acute lymphoblastic leukemia (B-ALL) patients will relapse and succumb to therapy-resistant disease. The bone marrow microenvironment may support B-ALL progression and treatment evasion. Utilizing single-cell approaches, we demonstrate B-ALL bone marrow immune microenvironment remodeling upon disease initiation and subsequent re-emergence during conventional chemotherapy. We uncover a role for non-classical monocytes in B-ALL survival, and demonstrate monocyte abundance at B-ALL diagnosis is predictive of pediatric and adult B-ALL patient survival. We show that human B-ALL blasts alter a vascularized microenvironment promoting monocytic differentiation, while depleting leukemia-associated monocytes in B-ALL animal models prolongs disease remission in vivo. Our profiling of the B-ALL immune microenvironment identifies extrinsic regulators of B-ALL survival supporting new immune-based therapeutic approaches for high-risk B-ALL treatment. [Display omitted] •Patient B-ALL bone marrow displays extensively remodeled myeloid compartment•Monocyte abundance is predictive of pediatric and adult B-ALL patient survival•Human B-ALL promotes emergence of CD16+ non-classical monocytes ex vivo•Anti-CSF1R therapy enhances targeted treatment of Ph+ B-ALL models in vivo Using single-cell analysis of B cell acute lymphoblastic leukemia (B-ALL) patient samples, Witkowski et al. show that the frequency of non-classical monocytes predicts patient survival. Depletion of these monocytes improves treatment responsiveness in animal models of high-risk B-ALL.
doi_str_mv 10.1016/j.ccell.2020.04.015
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The bone marrow microenvironment may support B-ALL progression and treatment evasion. Utilizing single-cell approaches, we demonstrate B-ALL bone marrow immune microenvironment remodeling upon disease initiation and subsequent re-emergence during conventional chemotherapy. We uncover a role for non-classical monocytes in B-ALL survival, and demonstrate monocyte abundance at B-ALL diagnosis is predictive of pediatric and adult B-ALL patient survival. We show that human B-ALL blasts alter a vascularized microenvironment promoting monocytic differentiation, while depleting leukemia-associated monocytes in B-ALL animal models prolongs disease remission in vivo. Our profiling of the B-ALL immune microenvironment identifies extrinsic regulators of B-ALL survival supporting new immune-based therapeutic approaches for high-risk B-ALL treatment. 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The bone marrow microenvironment may support B-ALL progression and treatment evasion. Utilizing single-cell approaches, we demonstrate B-ALL bone marrow immune microenvironment remodeling upon disease initiation and subsequent re-emergence during conventional chemotherapy. We uncover a role for non-classical monocytes in B-ALL survival, and demonstrate monocyte abundance at B-ALL diagnosis is predictive of pediatric and adult B-ALL patient survival. We show that human B-ALL blasts alter a vascularized microenvironment promoting monocytic differentiation, while depleting leukemia-associated monocytes in B-ALL animal models prolongs disease remission in vivo. Our profiling of the B-ALL immune microenvironment identifies extrinsic regulators of B-ALL survival supporting new immune-based therapeutic approaches for high-risk B-ALL treatment. [Display omitted] •Patient B-ALL bone marrow displays extensively remodeled myeloid compartment•Monocyte abundance is predictive of pediatric and adult B-ALL patient survival•Human B-ALL promotes emergence of CD16+ non-classical monocytes ex vivo•Anti-CSF1R therapy enhances targeted treatment of Ph+ B-ALL models in vivo Using single-cell analysis of B cell acute lymphoblastic leukemia (B-ALL) patient samples, Witkowski et al. show that the frequency of non-classical monocytes predicts patient survival. Depletion of these monocytes improves treatment responsiveness in animal models of high-risk B-ALL.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>32470390</pmid><doi>10.1016/j.ccell.2020.04.015</doi><oa>free_for_read</oa></addata></record>
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source Cell Press Free Archives; Elsevier ScienceDirect Journals; EZB-FREE-00999 freely available EZB journals
subjects acute lymphoblastic leukemia
chemotherapy
immune microenvironment
monocytes
relapse
single cell
title Extensive Remodeling of the Immune Microenvironment in B Cell Acute Lymphoblastic Leukemia
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