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Shi Y, Xu Y, Shen H, Jin J, Tong H, Xie W. Advances in biology, diagnosis and treatment of DLBCL. Ann Hematol 2024; 103:3315-3334. [PMID: 39017945 PMCID: PMC11358236 DOI: 10.1007/s00277-024-05880-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 07/03/2024] [Indexed: 07/18/2024]
Abstract
Diffuse large B-cell lymphoma (DLBCL), with approximately 150,000 new cases worldwide each year, represent nearly 30% of all cases of non-Hodgkin lymphoma (NHL) and are phenotypically and genetically heterogeneous. A gene-expression profile (GEP) has identified at least three major subtypes of DLBCL, each of which has distinct clinical, biological, and genetic features: activated B-cell (ABC)-like DLBCL, germinal-center B-cell (GCB)-like DLBCL, and unclassified. Different origins are associated with different responses to chemotherapy and targeted agents. Despite DLBCL being a highly heterogeneous disease, more than 60% of patients with DLBCL can be cured after using rituximab combined with cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) to inhibit the growth of cancer cells while targeting the CD20 receptor. In recent decades, the improvement of diagnostic levels has led to a refinement classification of DLBCL and the development of new therapeutic approaches. The objective of this review was to summarize the latest studies examining genetic lesions and therapies for DLBCL.
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Affiliation(s)
- Yuanfei Shi
- Department of Hematology, The First Affiliated Hospital, Zhejiang University School of Medicine, No. 79 Qingchun Road, Hangzhou, 310003, Zhejiang, China
| | - Yi Xu
- Department of Hematology, The First Affiliated Hospital, Zhejiang University School of Medicine, No. 79 Qingchun Road, Hangzhou, 310003, Zhejiang, China
| | - Huafei Shen
- International Health Care Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Jie Jin
- Department of Hematology, The First Affiliated Hospital, Zhejiang University School of Medicine, No. 79 Qingchun Road, Hangzhou, 310003, Zhejiang, China
| | - Hongyan Tong
- Department of Hematology, The First Affiliated Hospital, Zhejiang University School of Medicine, No. 79 Qingchun Road, Hangzhou, 310003, Zhejiang, China
| | - Wanzhuo Xie
- Department of Hematology, The First Affiliated Hospital, Zhejiang University School of Medicine, No. 79 Qingchun Road, Hangzhou, 310003, Zhejiang, China.
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2
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Stokes ME, Wenzl K, Huang CC, Ortiz M, Hsu CC, Maurer MJ, Stong N, Nakayama Y, Wu L, Chiu H, Polonskaia A, Danziger SA, Towfic F, Parker J, King RL, Link BK, Slager SL, Sarangi V, Asmann YW, Novak JP, Sudhindra A, Ansell SM, Habermann TM, Hagner PR, Nowakowski GS, Cerhan JR, Novak AJ, Gandhi AK. Transcriptomic classification of diffuse large B-cell lymphoma identifies a high-risk activated B-cell-like subpopulation with targetable MYC dysregulation. Nat Commun 2024; 15:6790. [PMID: 39117654 PMCID: PMC11310352 DOI: 10.1038/s41467-024-50830-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 07/22/2024] [Indexed: 08/10/2024] Open
Abstract
Immunochemotherapy has been the mainstay of treatment for newly diagnosed diffuse large B-cell lymphoma (ndDLBCL) yet is inadequate for many patients. In this work, we perform unsupervised clustering on transcriptomic features from a large cohort of ndDLBCL patients and identify seven clusters, one called A7 with poor prognosis, and develop a classifier to identify these clusters in independent ndDLBCL cohorts. This high-risk cluster is enriched for activated B-cell cell-of-origin, low immune infiltration, high MYC expression, and copy number aberrations. We compare and contrast our methodology with recent DLBCL classifiers to contextualize our clusters and show improved prognostic utility. Finally, using pre-clinical models, we demonstrate a mechanistic rationale for IKZF1/3 degraders such as lenalidomide to overcome the low immune infiltration phenotype of A7 by inducing T-cell trafficking into tumors and upregulating MHC I and II on tumor cells, and demonstrate that TCF4 is an important regulator of MYC-related biology in A7.
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Affiliation(s)
- Matthew E Stokes
- Informatics and Predictive Sciences, Bristol Myers Squibb, Summit, NJ, USA
| | - Kerstin Wenzl
- Division of Hematology, Mayo Clinic, Rochester, MN, USA
| | - C Chris Huang
- Translational Medicine Hematology, Bristol Myers Squibb, Summit, NJ, USA
| | - María Ortiz
- Informatics and Predictive Sciences, Bristol Myers Squibb, Seville, Spain
| | - Chih-Chao Hsu
- Translational Medicine Hematology, Bristol Myers Squibb, Summit, NJ, USA
| | - Matthew J Maurer
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, USA
| | - Nicholas Stong
- Informatics and Predictive Sciences, Bristol Myers Squibb, Summit, NJ, USA
| | - Yumi Nakayama
- Translational Medicine Hematology, Bristol Myers Squibb, Summit, NJ, USA
| | - Lei Wu
- Translational Medicine Hematology, Bristol Myers Squibb, Summit, NJ, USA
| | - Hsiling Chiu
- Translational Medicine Hematology, Bristol Myers Squibb, Summit, NJ, USA
| | - Ann Polonskaia
- Translational Medicine Hematology, Bristol Myers Squibb, Summit, NJ, USA
| | | | - Fadi Towfic
- BMS at the time the study was conducted, Prometheus Biosciences, San Diego, CA, USA
| | - Joel Parker
- LifeEDIT Therapeutics, Research Triangle Park, Durham, NC, USA
| | - Rebecca L King
- Division of Hematopathology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Brian K Link
- Division of Hematology, Oncology, Blood and Marrow Transplant, University of Iowa, Iowa City, IA, USA
| | - Susan L Slager
- Division of Hematology, Mayo Clinic, Rochester, MN, USA
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, USA
| | | | - Yan W Asmann
- Department of Health Science Research, Mayo Clinic, Jacksonville, FL, USA
| | | | - Akshay Sudhindra
- Clinical Research and Development, Bristol Myers Squibb, Summit, NJ, USA
| | | | | | - Patrick R Hagner
- Translational Medicine Hematology, Bristol Myers Squibb, Summit, NJ, USA
| | | | | | - Anne J Novak
- Division of Hematology, Mayo Clinic, Rochester, MN, USA
| | - Anita K Gandhi
- Translational Medicine Hematology, Bristol Myers Squibb, Summit, NJ, USA.
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3
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Zhao M, Wang L, Wang X, He J, Yu K, Li D. Non-neoplastic cells as prognostic biomarkers in diffuse large B-cell lymphoma: A system review and meta-analysis. TUMORI JOURNAL 2024; 110:227-240. [PMID: 38183180 DOI: 10.1177/03008916231221636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2024]
Abstract
The microenvironment of diffuse large B-cell lymphoma (DLBCL) is composed of various components, including immune cells and immune checkpoints, some of which have been correlated with the prognosis of DLBCL, but their results remain controversial. Therefore, we conducted a systematic review and meta-analysis to investigate the association between the microenvironment and prognosis in DLBCL. We searched PubMed, Web of Science, and EMBASE for relevant articles between 2001 and 2022. Twenty-five studies involving 4495 patients with DLBCL were included in the analysis. This meta-analysis confirmed that high densities of Foxp3+Tregs and PD-1+T cells are good indicators for overall survival (OS) in DLBCL, while high densities of programmed cell death protein ligand1(PD-L1)-positive expression cells and T-cell immunoglobulin-and mucin domain-3-containing molecule 3 (TIM-3)-positive expression tumor-infiltrating cells (TILs) play a contrary role in OS. Additionally, higher numbers of T-cell intracytoplasmic antigen-1(TIA-1)-positive expression T cells imply better OS and progression-free survival (PFS), while high numbers of lymphocyte activation gene(LAG)-positive expression TILs predict bad OS and PFS. Various non-tumoral cells in the microenvironment play important roles in the prognosis of DLBCL.
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MESH Headings
- Humans
- Lymphoma, Large B-Cell, Diffuse/pathology
- Lymphoma, Large B-Cell, Diffuse/immunology
- Lymphoma, Large B-Cell, Diffuse/metabolism
- Lymphoma, Large B-Cell, Diffuse/mortality
- Prognosis
- Tumor Microenvironment/immunology
- Biomarkers, Tumor/metabolism
- Lymphocytes, Tumor-Infiltrating/immunology
- Lymphocytes, Tumor-Infiltrating/metabolism
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Affiliation(s)
- Min Zhao
- Department of Pathology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Department of Pathology, Chongqing Medical University, Chongqing, China
- Molecular Medicine Diagnostic and Testing Center of Chongqing Medical University, Chongqing, China
| | - Lixing Wang
- Department of Pathology, Chongqing Medical University, Chongqing, China
| | - Xingyu Wang
- Department of Pathology, Chongqing Medical University, Chongqing, China
| | - Juan He
- Department of Pathology, Chongqing Medical University, Chongqing, China
| | - Kuai Yu
- Department of Pathology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Molecular Medicine Diagnostic and Testing Center of Chongqing Medical University, Chongqing, China
- Department of Pathology, Yongchuan Hospital of Chongqing Medical University, Chongqing, China
| | - Dan Li
- Department of Pathology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Department of Pathology, Chongqing Medical University, Chongqing, China
- Molecular Medicine Diagnostic and Testing Center of Chongqing Medical University, Chongqing, China
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4
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Hirayama AV, Wright JH, Smythe KS, Fiorenza S, Shaw AN, Gauthier J, Maloney DG, Naresh KN, Yeung CCS, Turtle CJ. PD-L1 + macrophage and tumor cell abundance and proximity to T cells in the pretreatment large B-cell lymphoma microenvironment impact CD19 CAR-T cell immunotherapy efficacy. Hemasphere 2024; 8:e142. [PMID: 39113729 PMCID: PMC11303978 DOI: 10.1002/hem3.142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/23/2024] [Accepted: 06/18/2024] [Indexed: 08/10/2024] Open
Abstract
CD19-targeted chimeric antigen receptor T-cell (CAR-T) immunotherapy has transformed the management of relapsed/refractory large B-cell lymphoma (LBCL), yet durable remissions are observed in less than half of treated patients. The tumor microenvironment (TME) is a key and understudied factor impacting CD19 CAR-T therapy outcomes. Using NanoString nCounter transcriptome profiling (n = 24) and multiplex immunohistochemistry (mIHC, n = 15), we studied the TME in pretreatment biopsies from patients with LBCL undergoing CD19 CAR-T therapy. Patients who achieved complete response (CR) after CAR-T therapy demonstrated higher expression of genes associated with T-cell trafficking and function, whereas those who did not achieve CR had higher expression of genes associated with macrophages and T-cell dysfunction. Distinct patterns of immune infiltration and fibrosis in the TME were associated with CAR-T therapy outcomes, and these findings were corroborated using artificial intelligence-assisted image analyses. Patients who achieved CR had a lower proportion of the biopsy occupied by an interspersed immune infiltrate and a higher proportion of hypocellular/fibrotic regions. Furthermore, mIHC revealed lower density of CD4+ T cells and higher densities of both macrophages and tumor cells expressing PD-L1 in non-CR patients. Spatial analysis revealed that PD-1+ T cells were in close proximity to PD-L1+ macrophages or PD-L1+ tumor cells in patients who did not compared to those who did achieve CR after CAR-T therapy. These findings suggest that morphologic patterns in the TME and engagement of the PD-1/PD-L1 axis in pretreatment biopsies may impact CD19 CAR-T immunotherapy response in patients with LBCL.
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Affiliation(s)
- Alexandre V. Hirayama
- Clinical Research DivisionFred Hutchinson Cancer CenterSeattleWashingtonUSA
- Department of MedicineUniversity of WashingtonSeattleWashingtonUSA
- Integrated Immunotherapy Research Center, Fred Hutchinson Cancer CenterSeattleWashingtonUSA
| | - Jocelyn H. Wright
- Clinical Research DivisionFred Hutchinson Cancer CenterSeattleWashingtonUSA
| | - Kimberly S. Smythe
- Translational Science and Therapeutics DivisionFred Hutchinson Cancer CenterSeattleWashingtonUSA
| | - Salvatore Fiorenza
- Clinical Research DivisionFred Hutchinson Cancer CenterSeattleWashingtonUSA
- Faculty of Medicine and HealthThe University of SydneyCamperdownNew South WalesAustralia
| | - Akira N. Shaw
- Faculty of Medicine and HealthThe University of SydneyCamperdownNew South WalesAustralia
| | - Jordan Gauthier
- Clinical Research DivisionFred Hutchinson Cancer CenterSeattleWashingtonUSA
- Department of MedicineUniversity of WashingtonSeattleWashingtonUSA
- Integrated Immunotherapy Research Center, Fred Hutchinson Cancer CenterSeattleWashingtonUSA
| | - David G. Maloney
- Department of MedicineUniversity of WashingtonSeattleWashingtonUSA
- Integrated Immunotherapy Research Center, Fred Hutchinson Cancer CenterSeattleWashingtonUSA
- Translational Science and Therapeutics DivisionFred Hutchinson Cancer CenterSeattleWashingtonUSA
| | - Kikkeri N. Naresh
- Integrated Immunotherapy Research Center, Fred Hutchinson Cancer CenterSeattleWashingtonUSA
- Translational Science and Therapeutics DivisionFred Hutchinson Cancer CenterSeattleWashingtonUSA
- Department of Laboratory Medicine and PathologyUniversity of WashingtonSeattleWashingtonUSA
| | - Cecilia C. S. Yeung
- Integrated Immunotherapy Research Center, Fred Hutchinson Cancer CenterSeattleWashingtonUSA
- Translational Science and Therapeutics DivisionFred Hutchinson Cancer CenterSeattleWashingtonUSA
- Department of Laboratory Medicine and PathologyUniversity of WashingtonSeattleWashingtonUSA
| | - Cameron J. Turtle
- Department of MedicineUniversity of WashingtonSeattleWashingtonUSA
- Integrated Immunotherapy Research Center, Fred Hutchinson Cancer CenterSeattleWashingtonUSA
- Translational Science and Therapeutics DivisionFred Hutchinson Cancer CenterSeattleWashingtonUSA
- Faculty of Medicine and HealthThe University of SydneyCamperdownNew South WalesAustralia
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5
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Liu QX, Zhu Y, Yi HM, Shen YG, Wang L, Cheng S, Xu PP, Xu HM, Zhou LT, Huang YH, Huang CX, Fu D, Ji MM, Wang CF, Zhao WL. KMT2D mutations promoted tumor progression in diffuse large B-cell lymphoma through altering tumor-induced regulatory T cell trafficking via FBXW7-NOTCH-MYC/TGF-β1 axis. Int J Biol Sci 2024; 20:3972-3985. [PMID: 39113693 PMCID: PMC11302885 DOI: 10.7150/ijbs.93349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Accepted: 07/06/2024] [Indexed: 08/10/2024] Open
Abstract
Histone methyltransferase KMT2D is one of the most frequently mutated genes in diffuse large B-cell lymphoma (DLBCL) and has been identified as an important pathogenic factor and prognostic marker. However, the biological relevance of KMT2D mutations on tumor microenvironment remains to be determined. KMT2D mutations were assessed by whole-genome/exome sequencing (WGS/WES) in 334 patients and by targeted sequencing in 427 patients with newly diagnosed DLBCL. Among all 761 DLBCL patients, somatic mutations in KMT2D were observed in 143 (18.79%) patients and significantly associated with advanced Ann Arbor stage and MYC expression ≥ 40%, as well as inferior progression-free survival and overall survival. In B-lymphoma cells, the mutation or knockdown of KMT2D inhibited methylation of lysine 4 on histone H3 (H3K4), downregulated FBXW7 expression, activated NOTCH signaling pathway and downstream MYC/TGF-β1, resulting in alterations of tumor-induced regulatory T cell trafficking. In B-lymphoma murine models established with subcutaneous injection of SU-DHL-4 cells, xenografted tumors bearing KMT2D mutation presented lower H3K4 methylation, higher regulatory T cell recruitment, thereby provoking rapid tumor growth compared with wild-type KMT2D via FBXW7-NOTCH-MYC/TGF-β1 axis.
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Affiliation(s)
- Qing-Xiao Liu
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
- Department of Pathology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Yue Zhu
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Hong-Mei Yi
- Department of Pathology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Yi-Ge Shen
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Li Wang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Shu Cheng
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Peng-Peng Xu
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Hai-Min Xu
- Department of Pathology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Lu-Ting Zhou
- Department of Pathology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Yao-Hui Huang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Chuan-Xin Huang
- Department of Immunobiology and Microbiology, Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Di Fu
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Meng-Meng Ji
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Chao-Fu Wang
- Department of Pathology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Wei-Li Zhao
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
- Pôle de Recherches Sino-Français en Science du Vivant et Génomique, Laboratory of Molecular Pathology, Shanghai 200025, China
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6
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Koumpis E, Papoudou-Bai A, Papathanasiou K, Kolettas E, Kanavaros P, Hatzimichael E. Unraveling the Immune Microenvironment in Diffuse Large B-Cell Lymphoma: Prognostic and Potential Therapeutic Implications. Curr Issues Mol Biol 2024; 46:7048-7064. [PMID: 39057061 PMCID: PMC11276293 DOI: 10.3390/cimb46070420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 07/01/2024] [Accepted: 07/02/2024] [Indexed: 07/28/2024] Open
Abstract
Diffuse large B cell lymphoma (DLBCL) is a multifaceted condition characterized by significant diversity in its molecular and pathological subtypes and clinical manifestation. Despite the progress made in the treatment of DLBCL through the development of novel drugs, an estimated one-third of patients encounter relapse or acquire refractory disease. The tumor microenvironment (TME) of DLBCL, a complex network consisting of cellular and noncellular components that engage in interactions with the tumor, is a parameter that is gaining increasing attention. The TME comprises both the immune and nonimmune microenvironments. The immune microenvironment comprises natural killer (NK) cells, dendritic cells (DCs), tumor-associated macrophages (TAMs), neutrophils, myeloid-derived suppressor cells (MDSCs), and T and B lymphocytes. The nonimmune microenvironment consists of the extracellular matrix (ECM), cancer-associated fibroblasts (CAFs), mesenchymal stromal cells, and other molecules that are secreted. Despite ongoing research, the exact impact of these components and their interaction on the progression of the disease remains elusive. A comprehensive review of significant discoveries concerning the cellular and noncellular constituents, molecular characteristics, and treatment response and prognosis of the TME in DLBCL, as well as the potential targeting of the TME with novel therapeutic approaches, is provided in this article.
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Affiliation(s)
- Epameinondas Koumpis
- Department of Hematology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45 500 Ioannina, Greece; (E.K.); (K.P.)
| | - Alexandra Papoudou-Bai
- Department of Pathology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45 500 Ioannina, Greece;
| | - Konstantina Papathanasiou
- Department of Hematology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45 500 Ioannina, Greece; (E.K.); (K.P.)
| | - Evangelos Kolettas
- Laboratory of Biology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45 110 Ioannina, Greece;
- Biomedical Research Institute, Foundation for Research and Technology, 45 110 Ioannina, Greece
| | - Panagiotis Kanavaros
- Department of Anatomy-Histology-Embryology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45 110 Ioannina, Greece;
| | - Eleftheria Hatzimichael
- Department of Hematology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45 500 Ioannina, Greece; (E.K.); (K.P.)
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7
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Wenzl K, Stokes ME, Novak JP, Bock AM, Khan S, Hopper MA, Krull JE, Dropik AR, Walker JS, Sarangi V, Mwangi R, Ortiz M, Stong N, Huang CC, Maurer MJ, Rimsza L, Link BK, Slager SL, Asmann Y, Mondello P, Morin R, Ansell SM, Habermann TM, Witzig TE, Feldman AL, King RL, Nowakowski G, Cerhan JR, Gandhi AK, Novak AJ. Multiomic analysis identifies a high-risk signature that predicts early clinical failure in DLBCL. Blood Cancer J 2024; 14:100. [PMID: 38902256 PMCID: PMC11189905 DOI: 10.1038/s41408-024-01080-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 05/29/2024] [Accepted: 06/04/2024] [Indexed: 06/22/2024] Open
Abstract
Recent genetic and molecular classification of DLBCL has advanced our knowledge of disease biology, yet were not designed to predict early events and guide anticipatory selection of novel therapies. To address this unmet need, we used an integrative multiomic approach to identify a signature at diagnosis that will identify DLBCL at high risk of early clinical failure. Tumor biopsies from 444 newly diagnosed DLBCL were analyzed by WES and RNAseq. A combination of weighted gene correlation network analysis and differential gene expression analysis was used to identify a signature associated with high risk of early clinical failure independent of IPI and COO. Further analysis revealed the signature was associated with metabolic reprogramming and identified cases with a depleted immune microenvironment. Finally, WES data was integrated into the signature and we found that inclusion of ARID1A mutations resulted in identification of 45% of cases with an early clinical failure which was validated in external DLBCL cohorts. This novel and integrative approach is the first to identify a signature at diagnosis, in a real-world cohort of DLBCL, that identifies patients at high risk for early clinical failure and may have significant implications for design of therapeutic options.
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Affiliation(s)
- Kerstin Wenzl
- Division of Hematology, Mayo Clinic, Rochester, MN, USA
| | - Matthew E Stokes
- Informatics and Predictive Sciences, , Bristol Myers Squibb, Summit, NJ, USA
| | | | | | - Sana Khan
- Division of Hematology, Mayo Clinic, Rochester, MN, USA
| | | | | | | | | | - Vivekananda Sarangi
- Department of Quantitative Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | - Raphael Mwangi
- Department of Quantitative Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | - Maria Ortiz
- Informatics and Predictive Sciences, Celgene Institute for Translational Research Europe (CITRE), Seville, Spain
| | - Nicholas Stong
- Informatics and Predictive Sciences, , Bristol Myers Squibb, Summit, NJ, USA
| | - C Chris Huang
- Translational Medicine Hematology, Bristol Myers Squibb, Summit, NJ, USA
| | - Matthew J Maurer
- Division of Hematology, Mayo Clinic, Rochester, MN, USA
- Department of Quantitative Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | - Lisa Rimsza
- Division of Hematopathology, Mayo Clinic, Scottsdale, AZ, USA
| | - Brian K Link
- Division of Hematology, University of Iowa, Iowa, USA
| | - Susan L Slager
- Department of Quantitative Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | - Yan Asmann
- Department of Quantitative Health Sciences Research, Mayo Clinic, Jacksonville, FL, USA
| | | | - Ryan Morin
- Genome Sciences Center, British Columbia Cancer Agency, Vancouver, BC, Canada
| | | | | | | | - Andrew L Feldman
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Rebecca L King
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | | | - James R Cerhan
- Department of Quantitative Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | - Anita K Gandhi
- Translational Medicine Hematology, Bristol Myers Squibb, Summit, NJ, USA
| | - Anne J Novak
- Division of Hematology, Mayo Clinic, Rochester, MN, USA.
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8
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Sinkarevs S, Strumfs B, Volkova S, Strumfa I. Tumour Microenvironment: The General Principles of Pathogenesis and Implications in Diffuse Large B Cell Lymphoma. Cells 2024; 13:1057. [PMID: 38920685 PMCID: PMC11201569 DOI: 10.3390/cells13121057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 06/10/2024] [Accepted: 06/12/2024] [Indexed: 06/27/2024] Open
Abstract
Diffuse large B cell lymphoma (DLBCL) is the most common type of non-Hodgkin lymphoma worldwide, constituting around 30-40% of all cases. Almost 60% of patients develop relapse of refractory DLBCL. Among the reasons for the therapy failure, tumour microenvironment (TME) components could be involved, including tumour-associated macrophages (TAMs), myeloid-derived suppressor cells (MDSCs), tumour-associated neutrophils (TANs), cancer-associated fibroblasts (CAFs), and different subtypes of cytotoxic CD8+ cells and T regulatory cells, which show complex interactions with tumour cells. Understanding of the TME can provide new therapeutic options for patients with DLBCL and improve their prognosis and overall survival. This review provides essentials of the latest understanding of tumour microenvironment elements and discusses their role in tumour progression and immune suppression mechanisms which result in poor prognosis for patients with DLBCL. In addition, we point out important markers for the diagnostic purposes and highlight novel therapeutic targets.
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Affiliation(s)
| | | | | | - Ilze Strumfa
- Department of Pathology, Riga Stradins University, 16 Dzirciema Street, LV-1007 Riga, Latvia
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9
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Arffman M, Meriranta L, Autio M, Holte H, Jørgensen J, Brown P, Jyrkkiö S, Jerkeman M, Drott K, Fluge Ø, Björkholm M, Karjalainen-Lindsberg ML, Beiske K, Pedersen MØ, Leivonen SK, Leppä S. Inflammatory and subtype-dependent serum protein signatures predict survival beyond the ctDNA in aggressive B cell lymphomas. MED 2024; 5:583-602.e5. [PMID: 38579729 DOI: 10.1016/j.medj.2024.03.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 02/24/2024] [Accepted: 03/11/2024] [Indexed: 04/07/2024]
Abstract
BACKGROUND Biological heterogeneity of large B cell lymphomas (LBCLs) is poorly captured by current prognostic tools, hampering optimal treatment decisions. METHODS We dissected the levels of 1,463 serum proteins in a uniformly treated trial cohort of 109 patients with high-risk primary LBCL (ClinicalTrials.gov: NCT01325194) and correlated the profiles with molecular data from tumor tissue and circulating tumor DNA (ctDNA) together with clinical data. FINDINGS We discovered clinically and biologically relevant associations beyond established clinical estimates and ctDNA. We identified an inflamed serum protein profile, which reflected host response to lymphoma, associated with inflamed and exhausted tumor microenvironment features and high ctDNA burden, and translated to poor outcome. We composed an inflammation score based on the identified inflammatory proteins and used the score to predict survival in an independent LBCL trial cohort (ClinicalTrials.gov: NCT03293173). Furthermore, joint analyses with ctDNA uncovered multiple serum proteins that correlate with tumor burden. We found that SERPINA9, TACI, and TARC complement minimally invasive subtype profiling and that TACI and TARC can be used to evaluate treatment response in a subtype-dependent manner in the liquid biopsy. CONCLUSIONS Altogether, we discovered distinct serum protein landscapes that dissect the heterogeneity of LBCLs and provide agile, minimally invasive tools for precision oncology. FUNDING This research was funded by grants from the Research Council of Finland, Finnish Cancer Organizations, Sigrid Juselius Foundation, University of Helsinki, iCAN Digital Precision Cancer Medicine Flagship, Orion Research Foundation sr, and Helsinki University Hospital.
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MESH Headings
- Adult
- Aged
- Female
- Humans
- Male
- Middle Aged
- Biomarkers, Tumor/blood
- Biomarkers, Tumor/genetics
- Blood Proteins/genetics
- Blood Proteins/analysis
- Circulating Tumor DNA/blood
- Circulating Tumor DNA/genetics
- Inflammation/blood
- Inflammation/genetics
- Lymphoma, B-Cell/blood
- Lymphoma, B-Cell/genetics
- Lymphoma, B-Cell/mortality
- Lymphoma, Large B-Cell, Diffuse/blood
- Lymphoma, Large B-Cell, Diffuse/mortality
- Lymphoma, Large B-Cell, Diffuse/genetics
- Lymphoma, Large B-Cell, Diffuse/pathology
- Prognosis
- Tumor Microenvironment/immunology
- Tumor Microenvironment/genetics
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Affiliation(s)
- Maare Arffman
- Research Programs Unit, Applied Tumor Genomics, Faculty of Medicine, University of Helsinki, Helsinki, Finland; Department of Oncology, Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland; iCAN Digital Precision Cancer Medicine Flagship, Helsinki, Finland
| | - Leo Meriranta
- Research Programs Unit, Applied Tumor Genomics, Faculty of Medicine, University of Helsinki, Helsinki, Finland; Department of Oncology, Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland; iCAN Digital Precision Cancer Medicine Flagship, Helsinki, Finland
| | - Matias Autio
- Research Programs Unit, Applied Tumor Genomics, Faculty of Medicine, University of Helsinki, Helsinki, Finland; Department of Oncology, Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland; iCAN Digital Precision Cancer Medicine Flagship, Helsinki, Finland
| | - Harald Holte
- Department of Oncology, Oslo University Hospital and KG Jebsen Centre for B Cell Malignancies, Oslo, Norway
| | - Judit Jørgensen
- Department of Hematology, Aarhus University Hospital, Aarhus, Denmark
| | - Peter Brown
- Department of Hematology, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark
| | - Sirkku Jyrkkiö
- Department of Oncology, Turku University Hospital, Turku, Finland
| | - Mats Jerkeman
- Department of Oncology, Skane University Hospital, Lund, Sweden
| | - Kristina Drott
- Department of Oncology, Skane University Hospital, Lund, Sweden
| | - Øystein Fluge
- Department of Oncology, Haukeland University Hospital, Bergen, Norway
| | - Magnus Björkholm
- Department of Medicine, Karolinska University Hospital, Stockholm, Sweden
| | | | - Klaus Beiske
- Department of Pathology, Oslo University Hospital, Oslo, Norway
| | - Mette Ølgod Pedersen
- Department of Pathology, Zealand University Hospital, Roskilde, Denmark; Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Suvi-Katri Leivonen
- Research Programs Unit, Applied Tumor Genomics, Faculty of Medicine, University of Helsinki, Helsinki, Finland; Department of Oncology, Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland; iCAN Digital Precision Cancer Medicine Flagship, Helsinki, Finland
| | - Sirpa Leppä
- Research Programs Unit, Applied Tumor Genomics, Faculty of Medicine, University of Helsinki, Helsinki, Finland; Department of Oncology, Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland; iCAN Digital Precision Cancer Medicine Flagship, Helsinki, Finland.
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10
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Negara I, Tomuleasa C, Buruiana S, Efremov DG. Molecular Subtypes and the Role of TP53 in Diffuse Large B-Cell Lymphoma and Richter Syndrome. Cancers (Basel) 2024; 16:2170. [PMID: 38927876 PMCID: PMC11201917 DOI: 10.3390/cancers16122170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Revised: 05/30/2024] [Accepted: 06/01/2024] [Indexed: 06/28/2024] Open
Abstract
Diffuse large B-cell lymphoma (DLBCL) is the most common lymphoid malignancy and a heterogeneous entity comprised of several biologically distinct subtypes. Recently, novel genetic classifications of DLBCL have been resolved based on common mutational patterns indicative of distinct pathways of transformation. However, the complicated and costly nature of the novel classifiers has precluded their inclusion into routine practice. In view of this, the status of the TP53 gene, which is mutated or deleted in 20-30% of the cases, has emerged as an important prognostic factor for DLBCL patients, setting itself apart from other predictors. TP53 genetic lesions are particularly enriched in a genetic subtype of DLBCL that shares genomic features with Richter Syndrome, highlighting the possibility of a subset of DLBCL arising from the transformation of an occult chronic lymphocytic leukemia-like malignancy, such as monoclonal B-cell lymphocytosis. Patients with TP53-mutated DLBCL, including those with Richter Syndrome, have a particularly poor prognosis and display inferior responses to standard chemoimmunotherapy regimens. The data presented in this manuscript argue for the need for improved and more practical risk-stratification models for patients with DLBCL and show the potential for the use of TP53 mutational status for prognostication and, in prospect, treatment stratification in DLBCL.
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Affiliation(s)
- Ivan Negara
- Molecular Hematology Unit, International Centre for Genetic Engineering and Biotechnology, 34149 Trieste, Italy
- Department of Internal Medicine, Hematology, “Nicolae Testemitanu” State University of Medicine and Pharmacy, 2004 Chisinau, Moldova;
| | - Ciprian Tomuleasa
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, 400347 Cluj-Napoca, Romania;
| | - Sanda Buruiana
- Department of Internal Medicine, Hematology, “Nicolae Testemitanu” State University of Medicine and Pharmacy, 2004 Chisinau, Moldova;
| | - Dimitar G. Efremov
- Molecular Hematology Unit, International Centre for Genetic Engineering and Biotechnology, 34149 Trieste, Italy
- Macedonian Academy of Sciences and Arts, 1000 Skopje, North Macedonia
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11
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George B, Kudryashova O, Kravets A, Thalji S, Malarkannan S, Kurzrock R, Chernyavskaya E, Gusakova M, Kravchenko D, Tychinin D, Savin E, Alekseeva L, Butusova A, Bagaev A, Shin N, Brown JH, Sethi I, Wang D, Taylor B, McFall T, Kamgar M, Hall WA, Erickson B, Christians KK, Evans DB, Tsai S. Transcriptomic-Based Microenvironment Classification Reveals Precision Medicine Strategies for Pancreatic Ductal Adenocarcinoma. Gastroenterology 2024; 166:859-871.e3. [PMID: 38280684 DOI: 10.1053/j.gastro.2024.01.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 12/11/2023] [Accepted: 01/18/2024] [Indexed: 01/29/2024]
Abstract
BACKGROUND & AIMS The complex tumor microenvironment (TME) of pancreatic ductal adenocarcinoma (PDAC) has hindered the development of reliable predictive biomarkers for targeted therapy and immunomodulatory strategies. A comprehensive characterization of the TME is necessary to advance precision therapeutics in PDAC. METHODS A transcriptomic profiling platform for TME classification based on functional gene signatures was applied to 14 publicly available PDAC datasets (n = 1657) and validated in a clinically annotated independent cohort of patients with PDAC (n = 79). Four distinct subtypes were identified using unsupervised clustering and assessed to evaluate predictive and prognostic utility. RESULTS TME classification using transcriptomic profiling identified 4 biologically distinct subtypes based on their TME immune composition: immune enriched (IE); immune enriched, fibrotic (IE/F); fibrotic (F); and immune depleted (D). The IE and IE/F subtypes demonstrated a more favorable prognosis and potential for response to immunotherapy compared with the F and D subtypes. Most lung metastases and liver metastases were subtypes IE and D, respectively, indicating the role of clonal phenotype and immune milieu in developing personalized therapeutic strategies. In addition, distinct TMEs with potential therapeutic implications were identified in treatment-naive primary tumors compared with tumors that underwent neoadjuvant therapy. CONCLUSIONS This novel approach defines a distinct subgroup of PADC patients that may benefit from immunotherapeutic strategies based on their TME subtype and provides a framework to select patients for prospective clinical trials investigating precision immunotherapy in PDAC. Further, the predictive utility and real-world clinical applicability espoused by this transcriptomic-based TME classification approach will accelerate the advancement of precision medicine in PDAC.
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Affiliation(s)
- Ben George
- LaBahn Pancreatic Cancer Program, Division of Hematology and Oncology, Medical College of Wisconsin (MCW), Milwaukee, Wisconsin.
| | | | | | - Samih Thalji
- LaBahn Pancreatic Cancer Program, Department of Surgery, Medical College of Wisconsin (MCW), Milwaukee, Wisconsin
| | - Subramaniam Malarkannan
- Versiti Blood Research Institute, Department of Medicine, Microbiology & Molecular Genetics, Medical College of Wisconsin (MCW), Milwaukee, Wisconsin
| | - Razelle Kurzrock
- Linda T. and John A. Mellowes Center for Genomic Sciences and Precision Medicine, Division of Hematology and Oncology, Medical College of Wisconsin (MCW), Milwaukee, Wisconsin
| | | | | | | | | | - Egor Savin
- BostonGene Corporation, Waltham, Massachusetts
| | | | | | | | - Nara Shin
- BostonGene Corporation, Waltham, Massachusetts
| | | | - Isha Sethi
- BostonGene Corporation, Waltham, Massachusetts
| | - Dandan Wang
- Versiti Blood Research Institute, Department of Medicine, Microbiology & Molecular Genetics, Medical College of Wisconsin (MCW), Milwaukee, Wisconsin
| | - Bradley Taylor
- Clinical and Translational Science Institute, Medical College of Wisconsin (MCW), Milwaukee, Wisconsin
| | - Thomas McFall
- LaBahn Pancreatic Cancer Program, Department of Biochemistry, Medical College of Wisconsin (MCW), Milwaukee, Wisconsin
| | - Mandana Kamgar
- LaBahn Pancreatic Cancer Program, Division of Hematology and Oncology, Medical College of Wisconsin (MCW), Milwaukee, Wisconsin
| | - William A Hall
- LaBahn Pancreatic Cancer Program, Department of Radiation Oncology, Medical College of Wisconsin (MCW), Milwaukee, Wisconsin
| | - Beth Erickson
- LaBahn Pancreatic Cancer Program, Department of Radiation Oncology, Medical College of Wisconsin (MCW), Milwaukee, Wisconsin
| | - Kathleen K Christians
- LaBahn Pancreatic Cancer Program, Department of Surgery, Medical College of Wisconsin (MCW), Milwaukee, Wisconsin
| | - Douglas B Evans
- LaBahn Pancreatic Cancer Program, Department of Surgery, Medical College of Wisconsin (MCW), Milwaukee, Wisconsin
| | - Susan Tsai
- LaBahn Pancreatic Cancer Program, Department of Surgery, Medical College of Wisconsin (MCW), Milwaukee, Wisconsin
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12
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Sharma G, Sharma A, Kim I, Cha DG, Kim S, Park ES, Noh JG, Lee J, Ku JH, Choi YH, Kong J, Lee H, Ko H, Lee J, Notaro A, Hong SH, Rhee JH, Kim SG, De Castro C, Molinaro A, Shin K, Kim S, Kim JK, Rudra D, Im SH. A dietary commensal microbe enhances antitumor immunity by activating tumor macrophages to sequester iron. Nat Immunol 2024; 25:790-801. [PMID: 38664585 DOI: 10.1038/s41590-024-01816-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 03/13/2024] [Indexed: 05/04/2024]
Abstract
Innate immune cells generate a multifaceted antitumor immune response, including the conservation of essential nutrients such as iron. These cells can be modulated by commensal bacteria; however, identifying and understanding how this occurs is a challenge. Here we show that the food commensal Lactiplantibacillus plantarum IMB19 augments antitumor immunity in syngeneic and xenograft mouse tumor models. Its capsular heteropolysaccharide is the major effector molecule, functioning as a ligand for TLR2. In a two-pronged manner, it skews tumor-associated macrophages to a classically active phenotype, leading to generation of a sustained CD8+ T cell response, and triggers macrophage 'nutritional immunity' to deploy the high-affinity iron transporter lipocalin-2 for capturing and sequestering iron in the tumor microenvironment. This process induces a cycle of tumor cell death, epitope expansion and subsequent tumor clearance. Together these data indicate that food commensals might be identified and developed into 'oncobiotics' for a multi-layered approach to cancer therapy.
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Affiliation(s)
- Garima Sharma
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
- ImmunoBiome, Bio Open Innovation Center, Pohang, Republic of Korea
| | - Amit Sharma
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
- Innovation Research Center for Bio-future Technology (B-IRC), Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
| | - Inhae Kim
- ImmunoBiome, Bio Open Innovation Center, Pohang, Republic of Korea
| | - Dong Gon Cha
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
- Department of New Biology, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Republic of Korea
| | - Somi Kim
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
| | - Eun Seo Park
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
- Department of New Biology, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Republic of Korea
| | - Jae Gyun Noh
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
| | - Juhee Lee
- Institute of Molecular Biology and Genetics, Seoul National University, Seoul, Republic of Korea
| | - Ja Hyeon Ku
- Department of Urology, College of Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Yoon Ha Choi
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
- Department of New Biology, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Republic of Korea
| | - JungHo Kong
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
| | - Haena Lee
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
| | - Haeun Ko
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
| | - Juhun Lee
- ImmunoBiome, Bio Open Innovation Center, Pohang, Republic of Korea
| | - Anna Notaro
- Department of Chemical Sciences, University of Napoli Federico II Complesso Universitario Monte Santangelo, Via Cintia 4, I-80126, Naples, Italy
| | - Seol Hee Hong
- Clinical Vaccine R&D Center and Combinatorial Tumor Immunotherapy MRC, Chonnam National University, Hwasun-gun, Republic of Korea
| | - Joon Haeng Rhee
- Clinical Vaccine R&D Center and Combinatorial Tumor Immunotherapy MRC, Chonnam National University, Hwasun-gun, Republic of Korea
| | - Sang Geon Kim
- College of Pharmacy and Integrated Research Institute for Drug Development, Dongguk University, Seoul, Republic of Korea
| | - Cristina De Castro
- Department of Chemical Sciences, University of Napoli Federico II Complesso Universitario Monte Santangelo, Via Cintia 4, I-80126, Naples, Italy
| | - Antonio Molinaro
- Department of Chemical Sciences, University of Napoli Federico II Complesso Universitario Monte Santangelo, Via Cintia 4, I-80126, Naples, Italy
| | - Kunyoo Shin
- Institute of Molecular Biology and Genetics, Seoul National University, Seoul, Republic of Korea
- Department of Biological Sciences, College of Natural Sciences, Seoul National University, Seoul, Republic of Korea
| | - Sanguk Kim
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
| | - Jong Kyoung Kim
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
- Department of New Biology, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Republic of Korea
| | - Dipayan Rudra
- ImmunoBiome, Bio Open Innovation Center, Pohang, Republic of Korea.
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China.
| | - Sin-Hyeog Im
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea.
- ImmunoBiome, Bio Open Innovation Center, Pohang, Republic of Korea.
- Institute for Convergence Research and Education in Advanced Technology, Yonsei University, Seoul, Republic of Korea.
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13
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Reiss DJ, Nakayama Y, Weng AP, Stokes ME, Sehn L, Steidl C, Scott DW, Huang CC, Gandhi AK. High-plex imaging and cellular neighborhood spatial analysis reveals multiple immune escape and suppression patterns in diffuse large B-cell lymphoma. Leukemia 2024; 38:1164-1168. [PMID: 38575670 PMCID: PMC11073958 DOI: 10.1038/s41375-024-02239-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 03/25/2024] [Accepted: 03/28/2024] [Indexed: 04/06/2024]
Affiliation(s)
- David J Reiss
- Informatics and Predictive Sciences, Bristol Myers Squibb, Seattle, WA, USA
| | - Yumi Nakayama
- Translational Medicine Hematology, Bristol Myers Squibb, Summit, NJ, USA
| | | | - Matthew E Stokes
- Informatics and Predictive Sciences, Bristol Myers Squibb, Summit, NJ, USA
| | - Laurie Sehn
- Centre for Lymphoid Cancer, BC Cancer, Vancouver, BC, Canada
| | | | - David W Scott
- Centre for Lymphoid Cancer, BC Cancer, Vancouver, BC, Canada
| | - C Chris Huang
- Translational Medicine Hematology, Bristol Myers Squibb, Summit, NJ, USA
| | - Anita K Gandhi
- Translational Medicine Hematology, Bristol Myers Squibb, Summit, NJ, USA.
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14
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Li MY, Chong LC, Duns G, Lytle A, Woolcock B, Jiang A, Telenius A, Ben-Neriah S, Nawaz W, Slack GW, Elisia I, Viganò E, Aoki T, Healy S, Krystal G, Venturutti L, Scott DW, Steidl C. TRAF3 loss-of-function reveals the noncanonical NF-κB pathway as a therapeutic target in diffuse large B cell lymphoma. Proc Natl Acad Sci U S A 2024; 121:e2320421121. [PMID: 38662551 PMCID: PMC11067025 DOI: 10.1073/pnas.2320421121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 03/29/2024] [Indexed: 05/05/2024] Open
Abstract
Here, we report recurrent focal deletions of the chr14q32.31-32 locus, including TRAF3, a negative regulator of NF-κB signaling, in de novo diffuse large B cell lymphoma (DLBCL) (24/324 cases). Integrative analysis revealed an association between TRAF3 copy number loss with accumulation of NIK, the central noncanonical (NC) NF-κB kinase, and increased NC NF-κB pathway activity. Accordingly, TRAF3 genetic ablation in isogenic DLBCL model systems caused upregulation of NIK and enhanced NC NF-κB downstream signaling. Knockdown or pharmacological inhibition of NIK in TRAF3-deficient cells differentially impaired their proliferation and survival, suggesting an acquired onco-addiction to NC NF-κB. TRAF3 ablation also led to exacerbated secretion of the immunosuppressive cytokine IL-10. Coculturing of TRAF3-deficient DLBCL cells with CD8+ T cells impaired the induction of Granzyme B and interferon (IFN) γ, which were restored following neutralization of IL-10. Our findings corroborate a direct relationship between TRAF3 genetic alterations and NC NF-κB activation, and highlight NIK as a potential therapeutic target in a defined subset of DLBCL.
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Affiliation(s)
- Michael Y. Li
- Centre for Lymphoid Cancer, British Columbia Cancer, Vancouver, BCV5Z 1L3, Canada
- Department of Pathology and Laboratory Medicine, The University of British Columbia, Vancouver, BCV6T 2B5, Canada
| | - Lauren C. Chong
- Centre for Lymphoid Cancer, British Columbia Cancer, Vancouver, BCV5Z 1L3, Canada
| | - Gerben Duns
- Centre for Lymphoid Cancer, British Columbia Cancer, Vancouver, BCV5Z 1L3, Canada
| | - Andrew Lytle
- Centre for Lymphoid Cancer, British Columbia Cancer, Vancouver, BCV5Z 1L3, Canada
| | - Bruce Woolcock
- Centre for Lymphoid Cancer, British Columbia Cancer, Vancouver, BCV5Z 1L3, Canada
| | - Aixiang Jiang
- Centre for Lymphoid Cancer, British Columbia Cancer, Vancouver, BCV5Z 1L3, Canada
- Department of Pathology and Laboratory Medicine, The University of British Columbia, Vancouver, BCV6T 2B5, Canada
| | - Adèle Telenius
- Centre for Lymphoid Cancer, British Columbia Cancer, Vancouver, BCV5Z 1L3, Canada
| | - Susana Ben-Neriah
- Centre for Lymphoid Cancer, British Columbia Cancer, Vancouver, BCV5Z 1L3, Canada
| | - Waqas Nawaz
- Centre for Lymphoid Cancer, British Columbia Cancer, Vancouver, BCV5Z 1L3, Canada
| | - Graham W. Slack
- Centre for Lymphoid Cancer, British Columbia Cancer, Vancouver, BCV5Z 1L3, Canada
- Department of Pathology and Laboratory Medicine, The University of British Columbia, Vancouver, BCV6T 2B5, Canada
| | - Ingrid Elisia
- Terry Fox Laboratory, British Columbia Cancer, Vancouver, BCV5Z 1L3, Canada
| | - Elena Viganò
- Centre for Lymphoid Cancer, British Columbia Cancer, Vancouver, BCV5Z 1L3, Canada
| | - Tomohiro Aoki
- Centre for Lymphoid Cancer, British Columbia Cancer, Vancouver, BCV5Z 1L3, Canada
| | - Shannon Healy
- Centre for Lymphoid Cancer, British Columbia Cancer, Vancouver, BCV5Z 1L3, Canada
| | - Gerald Krystal
- Terry Fox Laboratory, British Columbia Cancer, Vancouver, BCV5Z 1L3, Canada
| | - Leandro Venturutti
- Centre for Lymphoid Cancer, British Columbia Cancer, Vancouver, BCV5Z 1L3, Canada
- Department of Pathology and Laboratory Medicine, The University of British Columbia, Vancouver, BCV6T 2B5, Canada
- Terry Fox Laboratory, British Columbia Cancer, Vancouver, BCV5Z 1L3, Canada
| | - David W. Scott
- Centre for Lymphoid Cancer, British Columbia Cancer, Vancouver, BCV5Z 1L3, Canada
- Department of Pathology and Laboratory Medicine, The University of British Columbia, Vancouver, BCV6T 2B5, Canada
| | - Christian Steidl
- Centre for Lymphoid Cancer, British Columbia Cancer, Vancouver, BCV5Z 1L3, Canada
- Department of Pathology and Laboratory Medicine, The University of British Columbia, Vancouver, BCV6T 2B5, Canada
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15
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Sun Z, Tan R, Wu H, Fang X. Commentary: Flow cytometry quantification of tumor-infiltrating lymphocytes to predict the survival of patients with diffuse large B-cell lymphoma. Front Immunol 2024; 15:1377221. [PMID: 38698842 PMCID: PMC11063292 DOI: 10.3389/fimmu.2024.1377221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Accepted: 04/08/2024] [Indexed: 05/05/2024] Open
Affiliation(s)
- Zhongling Sun
- Department of Neurology, Zhaoyuan People’s Hospital, Zhaoyuan, China
| | - Ran Tan
- Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Huanling Wu
- Department of Laboratory Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Xiaosheng Fang
- Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
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16
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Fiorcari S, Strati P, Dondi E. Editorial: Tumor microenvironment and hematological malignancies: new evidences and new questions. Front Immunol 2024; 15:1407981. [PMID: 38690284 PMCID: PMC11059779 DOI: 10.3389/fimmu.2024.1407981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 04/05/2024] [Indexed: 05/02/2024] Open
Affiliation(s)
- Stefania Fiorcari
- Department of Oncology and Hematology, Azienda Ospedaliero Universitaria di Modena, Modena, Italy
| | - Paolo Strati
- Department of Lymphoma and Myeloma & Department of Translational Molecular Pathology The University of Texas MD (UT MD) Anderson Cancer Center, Houston, TX, United States
| | - Elisabetta Dondi
- U978 Institut National de la Santé et de la Recherche Médicale/Université Sorbonne Paris Nord, Labex INFLAMEX, Bobigny, France
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17
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Wang Y, Shi Q, Shi ZY, Tian S, Zhang MC, Shen R, Fu D, Dong L, Yi HM, Ouyang BS, Mu RJ, Cheng S, Wang L, Xu PP, Zhao WL. Biological signatures of the International Prognostic Index in diffuse large B-cell lymphoma. Blood Adv 2024; 8:1587-1599. [PMID: 38170757 PMCID: PMC10987882 DOI: 10.1182/bloodadvances.2023011425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 11/14/2023] [Accepted: 12/03/2023] [Indexed: 01/05/2024] Open
Abstract
ABSTRACT Diffuse large B-cell lymphoma (DLBCL) is a highly aggressive subtype of lymphoma with clinical and biological heterogeneity. The International Prognostic Index (IPI) shows great prognostic capability in the era of rituximab, but the biological signatures of IPI remain to be discovered. In this study, we analyzed the clinical data in a large cohort of 2592 patients with newly diagnosed DLBCL. Among them, 1233 underwent DNA sequencing for oncogenic mutations, and 487 patients underwent RNA sequencing for lymphoma microenvironment (LME) alterations. Based on IPI scores, patients were categorized into 4 distinct groups, with 5-year overall survival of 41.6%, 55.3%, 71.7%, and 89.7%, respectively. MCD-like subtype was associated with age of >60 years, multiple extranodal involvement, elevated serum lactate dehydrogenase (LDH), and IPI scores ranging from 2 to 5, whereas ST2-like subtype showed an opposite trend. Patients with EZB-like MYC+ and TP53Mut subtypes exhibited poor clinical outcome independent of the IPI; integrating TP53Mut into IPI could better distinguish patients with dismal survival. The EZB-like MYC-, BN2-like, N1-like, and MCD-like subtypes had inferior prognosis in patients with IPI scores of ≥2, indicating necessity for enhanced treatment. Regarding LME categories, the germinal center-like LME was more prevalent in patients with normal LDH and IPI scores of 0 to 1. The mesenchymal LME served as an independent protective factor, whereas the germinal center-like, inflammatory, and depleted LME categories correlated with inferior prognosis for IPI scores of 2 to 5. In summary, our work explored the biological signatures of IPI, thus providing useful rationale for future optimization of the IPI-based treatment strategies with multi-omics information in DLBCL.
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Affiliation(s)
- Yue Wang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics; National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qing Shi
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics; National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zi-Yang Shi
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics; National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shuang Tian
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics; National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Mu-Chen Zhang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics; National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Rong Shen
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics; National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Di Fu
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics; National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lei Dong
- Department of Pathology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hong-Mei Yi
- Department of Pathology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Bin-Shen Ouyang
- Department of Pathology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Rong-Ji Mu
- Clinical Research Institute, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shu Cheng
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics; National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Li Wang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics; National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Pôle de Recherches Sino-Français en Science du Vivant et Génomique, Laboratory of Molecular Pathology, Shanghai, China
| | - Peng-Peng Xu
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics; National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wei-Li Zhao
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics; National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Pôle de Recherches Sino-Français en Science du Vivant et Génomique, Laboratory of Molecular Pathology, Shanghai, China
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18
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Tumuluru S, Godfrey JK, Cooper A, Yu J, Chen X, MacNabb BW, Venkataraman G, Zha Y, Pelzer B, Song J, Duns G, Sworder BJ, Bolen C, Penuel E, Postovalova E, Kotlov N, Bagaev A, Fowler N, Smith SM, Alizadeh AA, Steidl C, Kline J. Integrative genomic analysis identifies unique immune environments associated with immunotherapy response in diffuse large B cell lymphoma. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.17.576100. [PMID: 38328071 PMCID: PMC10849512 DOI: 10.1101/2024.01.17.576100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
Most diffuse large B-cell lymphoma (DLBCL) patients treated with bispecific antibodies (BsAb) or chimeric antigen receptor (CAR) T cells fail to achieve durable treatment responses, underscoring the need for a deeper understanding of mechanisms that regulate the immune environment and response to treatment. Here, an integrative, multi-omic approach was employed to characterize DLBCL immune environments, which effectively segregated DLBCLs into four quadrants - termed DLBCL-immune quadrants (IQ) - defined by cell-of-origin and immune-related gene set expression scores. Recurrent genomic alterations were enriched in each IQ, suggesting that lymphoma cell-intrinsic alterations contribute to orchestrating unique DLBCL immune environments. In relapsed/refractory DLBCL patients, DLBCL-IQ assignment correlated significantly with clinical benefit with the CD20 x CD3 BsAb, mosunetuzumab, but not with CD19-directed CAR T cells. DLBCL-IQ provides a new framework to conceptualize the DLBCL immune landscape and uncovers the differential impact of the endogenous immune environment on outcomes to BsAb and CAR T cell treatment.
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19
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Vaughan J, Patel M, Suchard M, Gededzha M, Ranchod H, Howard W, Snyman T, Wiggill T. Derangements of immunological proteins in HIV-associated diffuse large B-cell lymphoma: the frequency and prognostic impact. Front Cell Infect Microbiol 2024; 14:1340096. [PMID: 38633747 PMCID: PMC11021765 DOI: 10.3389/fcimb.2024.1340096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 03/12/2024] [Indexed: 04/19/2024] Open
Abstract
Introduction Diffuse large B-cell lymphoma (DLBCL) is an aggressive malignancy of B-cells frequently encountered among people living with HIV. Immunological abnormalities are common in immunocompetent individuals with DLBCL, and are often associated with poorer outcomes. Currently, data on derangements of immunological proteins, such as cytokines and acute phase reactants, and their impact on outcomes in HIV-associated DLBCL (HIV-DLBCL) is lacking. This study assessed the levels and prognostic relevance of interleukin (IL)-6, IL-10 and Transforming Growth Factor Beta (TGFβ), the acute phase proteins C-reactive protein (CRP) and ferritin; serum free light chains (SFLC) (elevation of which reflects a prolonged pro-inflammatory state); and the activity of the immunosuppressive enzyme Indoleamine 2,3-dioxygenase (IDO)in South African patients with DLBCL. Methods Seventy-six patients with incident DLBCL were enrolled, and peripheral blood IL-6, IL-10, TGFβ, SFLC and IDO-activity measured in selected patients. Additional clinical and laboratory findings (including ferritin and CRP) were recorded from the hospital records. Results Sixty-one (80.3%) of the included patients were people living with HIV (median CD4-count = 148 cells/ul), and survival rates were poor (12-month survival rate 30.0%). The majority of the immunological proteins, except for TGFβ and ferritin, were significantly higher among the people living with HIV. Elevation of IL-6, SFLC and IDO-activity were not associated with survival in HIV-DLBCL, while raised IL-10, CRP, ferritin and TGFβ were. On multivariate analysis, immunological proteins associated with survival independently from the International Prognostic Index (IPI) included TGFβ, ferritin and IL-10. Conclusion Derangements of immunological proteins are common in HIV-DLBCL, and have a differential association with survival compared to that reported elsewhere. Elevation of TGFβ, IL-10 and ferritin were associated with survival independently from the IPI. In view of the poor survival rates in this cohort, investigation of the directed targeting of these cytokines would be of interest in our setting.
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Affiliation(s)
- Jenifer Vaughan
- Department of Molecular Medicine and Haematology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
- National Health Laboratory Services, Johannesburg, South Africa
| | - Moosa Patel
- Department of Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
- Clinical Haematology Unit, Chris Hani Baragwanath Academic Hospital, Johannesburg, South Africa
| | - Melinda Suchard
- Department of Chemical Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Maemu Gededzha
- National Health Laboratory Services, Johannesburg, South Africa
- Department of Immunology, University of the Witwatersrand, Johannesburg, South Africa
| | - Heena Ranchod
- Department of Chemical Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
- National Institute for Communicable Diseases, Centre for Vaccines and Immunology, Johannesburg, South Africa
| | - Wayne Howard
- Department of Chemical Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
- National Institute for Communicable Diseases, Centre for Vaccines and Immunology, Johannesburg, South Africa
| | - Tracy Snyman
- National Health Laboratory Services, Johannesburg, South Africa
| | - Tracey Wiggill
- Department of Molecular Medicine and Haematology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
- National Health Laboratory Services, Johannesburg, South Africa
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20
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Stevenson FK, Forconi F. The essential microenvironmental role of oligomannoses specifically inserted into the antigen-binding sites of lymphoma cells. Blood 2024; 143:1091-1100. [PMID: 37992212 DOI: 10.1182/blood.2023022703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 10/27/2023] [Accepted: 10/29/2023] [Indexed: 11/24/2023] Open
Abstract
ABSTRACT There are 2 mandatory features added sequentially en route to classical follicular lymphoma (FL): first, the t(14;18) translocation, which upregulates BCL2, and second, the introduction of sequence motifs into the antigen-binding sites of the B-cell receptor (BCR), to which oligomannose-type glycan is added. Further processing of the glycan is blocked by complementarity-determining region-specific steric hindrance, leading to exposure of mannosylated immunoglobulin (Ig) to the microenvironment. This allows for interaction with the local lectin, dendritic cell-specific ICAM-3-grabbing nonintegrin (DC-SIGN), expressed by tissue macrophages and follicular dendritic cells. The major function of DC-SIGN is to engage pathogens, but this is subverted by FL cells. DC-SIGN induces tumor-specific low-level BCR signaling in FL cells and promotes membrane changes with increased adhesion to VCAM-1 via proximal kinases and actin regulators but, in contrast to engagement by anti-Ig, avoids endocytosis and apoptosis. These interactions appear mandatory for the early development of FL, before the acquisition of other accelerating mutations. BCR-associated mannosylation can be found in a subset of germinal center B-cell-like diffuse large B-cell lymphoma with t(14;18), tracking these cases back to FL. This category was associated with more aggressive behavior: both FL and transformed cases and, potentially, a significant number of cases of Burkitt lymphoma, which also has sites for N-glycan addition, could benefit from antibody-mediated blockade of the interaction with DC-SIGN.
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Affiliation(s)
- Freda K Stevenson
- School of Cancer Sciences, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
| | - Francesco Forconi
- School of Cancer Sciences, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
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21
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Cerchietti L. Genetic mechanisms underlying tumor microenvironment composition and function in diffuse large B-cell lymphoma. Blood 2024; 143:1101-1111. [PMID: 38211334 PMCID: PMC10972714 DOI: 10.1182/blood.2023021002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 12/18/2023] [Accepted: 01/04/2024] [Indexed: 01/13/2024] Open
Abstract
ABSTRACT Cells in the tumor microenvironment (TME) of diffuse large B-cell lymphoma (DLBCL) show enormous diversity and plasticity, with functions that can range from tumor inhibitory to tumor supportive. The patient's age, immune status, and DLBCL treatments are factors that contribute to the shaping of this TME, but evidence suggests that genetic factors, arising principally in lymphoma cells themselves, are among the most important. Here, we review the current understanding of the role of these genetic drivers of DLBCL in establishing and modulating the lymphoma microenvironment. A better comprehension of the relationship between lymphoma genetic factors and TME biology should lead to better therapeutic interventions, especially immunotherapies.
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Affiliation(s)
- Leandro Cerchietti
- Hematology and Oncology Division, Medicine Department, New York-Presbyterian Hospital, Meyer Cancer Center, Weill Cornell Medicine, Cornell University, New York, NY
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22
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Cancila V, Morello G, Bertolazzi G, Chan ASY, Bastianello G, Paysan D, Jaynes PW, Schiavoni G, Mattei F, Piconese S, Revuelta MV, Noto F, De Ninno A, Cammarata I, Pagni F, Venkatachalapathy S, Sangaletti S, Di Napoli A, Vacca D, Lonardi S, Lorenzi L, Ferreri AJM, Belmonte B, Varano G, Colombo MP, Bicciato S, Inghirami G, Cerchietti L, Ponzoni M, Zappasodi R, Facchetti F, Foiani M, Casola S, Jeyasekharan AD, Tripodo C. Germinal Center Dark Zone harbors ATR-dependent determinants of T-cell exclusion that are also identified in aggressive lymphoma. RESEARCH SQUARE 2024:rs.3.rs-4093618. [PMID: 38562878 PMCID: PMC10984086 DOI: 10.21203/rs.3.rs-4093618/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
The germinal center (GC) dark zone (DZ) and light zone (LZ) regions spatially separate expansion and diversification from selection of antigen-specific B-cells to ensure antibody affinity maturation and B cell memory. The DZ and LZ differ significantly in their immune composition despite the lack of a physical barrier, yet the determinants of this polarization are poorly understood. This study provides novel insights into signals controlling asymmetric T-cell distribution between DZ and LZ regions. We identify spatially-resolved DNA damage response and chromatin compaction molecular features that underlie DZ T-cell exclusion. The DZ spatial transcriptional signature linked to T-cell immune evasion clustered aggressive Diffuse Large B-cell Lymphomas (DLBCL) for differential T cell infiltration. We reveal the dependence of the DZ transcriptional core signature on the ATR kinase and dissect its role in restraining inflammatory responses contributing to establishing an immune-repulsive imprint in DLBCL. These insights may guide ATR-focused treatment strategies bolstering immunotherapy in tumors marked by DZ transcriptional and chromatin-associated features.
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Affiliation(s)
- Valeria Cancila
- Tumor Immunology Unit, Department of Health Sciences, University of Palermo, Palermo, Italy
| | - Gaia Morello
- Tumor Immunology Unit, Department of Health Sciences, University of Palermo, Palermo, Italy
| | - Giorgio Bertolazzi
- Tumor Immunology Unit, Department of Health Sciences, University of Palermo, Palermo, Italy
- Department of Economics, Business, and Statistics, University of Palermo, Palermo, Italy
| | - Allison Si-Yu Chan
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
| | | | - Daniel Paysan
- Laboratory for Nanoscale Biology, Paul Scherrer Institute, Villigen, Switzerland
- Department of Health Sciences and Technology, ETH Zurich, Zurich, Switzerland
| | | | - Giovanna Schiavoni
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Fabrizio Mattei
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Silvia Piconese
- Department of Internal Clinical Sciences, Anesthesiology and Cardiovascular Sciences, Sapienza University of Rome, Rome, Italy
- IRCCS Fondazione Santa Lucia, Unità di Neuroimmunologia, Rome, Italy
- Laboratory affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Rome, Italy
| | - Maria V Revuelta
- Division of Hematology and Oncology, Medicine Department, Weill Cornell Medicine and NewYork-Presbyterian Hospital, New York
| | - Francesco Noto
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Adele De Ninno
- Institute for Photonics and Nanotechnologies, Italian National Research Council, Rome, Italy
| | - Ilenia Cammarata
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy; Neuroimmunology Unit, IRCCS Fondazione Santa Lucia, Rome, Italy
| | - Fabio Pagni
- Department of Medicine and Surgery, Pathology, IRCCS Fondazione San Gerardo dei Tintori, University of Milano-Bicocca, Italy
| | | | - Sabina Sangaletti
- Molecular Immunology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | - Arianna Di Napoli
- Pathology Unit, Department of Clinical and Molecular Medicine, Sant'Andrea University Hospital, Sapienza University of Rome, Rome, Italy
| | - Davide Vacca
- Tumor Immunology Unit, Department of Health Sciences, University of Palermo, Palermo, Italy
| | - Silvia Lonardi
- Pathology Unit, ASST Spedali Civili di Brescia, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Luisa Lorenzi
- Pathology Unit, ASST Spedali Civili di Brescia, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Andrés J M Ferreri
- Lymphoma Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - Beatrice Belmonte
- Tumor Immunology Unit, Department of Health Sciences, University of Palermo, Palermo, Italy
| | - Gabriele Varano
- IFOM ETS, The AIRC Institute of Molecular Oncology, Milan, Italy
| | - Mario Paolo Colombo
- Molecular Immunology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | - Silvio Bicciato
- Department of Molecular Medicine, University of Padova, Padova, Italy
| | - Giorgio Inghirami
- Pathology and Laboratory Medicine Department, Weill Cornell Medicine and New York-Presbyterian Hospital, New York
| | - Leandro Cerchietti
- Division of Hematology and Oncology, Medicine Department, Weill Cornell Medicine and NewYork-Presbyterian Hospital, New York
| | - Maurilio Ponzoni
- Vita-Salute San Raffaele University, Milan, Italy
- Pathology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | | | - Fabio Facchetti
- Pathology Unit, ASST Spedali Civili di Brescia, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Marco Foiani
- IFOM ETS, The AIRC Institute of Molecular Oncology, Milan, Italy
| | - Stefano Casola
- IFOM ETS, The AIRC Institute of Molecular Oncology, Milan, Italy
| | - Anand D Jeyasekharan
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
- Department of Haematology-Oncology, National University Health System, Singapore, Singapore
- NUS Centre for Cancer Research, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Claudio Tripodo
- Tumor Immunology Unit, Department of Health Sciences, University of Palermo, Palermo, Italy
- IFOM ETS, The AIRC Institute of Molecular Oncology, Milan, Italy
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23
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Wang JN, Li Y. Exploring the molecular mechanisms between lymphoma and myelofibrosis. Am J Transl Res 2024; 16:730-737. [PMID: 38586105 PMCID: PMC10994807 DOI: 10.62347/nwjo7078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 02/28/2024] [Indexed: 04/09/2024]
Abstract
Lymphoma is a heterogeneous malignant tumor with an increasing annual incidence. As the lymphoma progresses, bone marrow (BM) invasion gradually appears. Myelofibrosis (MF) can accompany a variety of hematological malignancies, including lymphoma, and multiple myeloma. The prognosis of lymphoma patients with myelofibrosis is poor, and a fundamental reason is that there are few studies on the correlation and pathogenesis of the two diseases. In this review, we examine the potential pathogenesis and the correlation of the two diseases.
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Affiliation(s)
- Jun-Nuan Wang
- Hebei Medical UniversityShijiazhuang, Hebei, The People’s Republic of China
- Department of Hematology, Hebei General HospitalShijiazhuang, Hebei, The People’s Republic of China
| | - Yan Li
- Department of Hematology, Hebei General HospitalShijiazhuang, Hebei, The People’s Republic of China
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24
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Zhao K, Li Q, Li P, Liu T, Liu X, Zhu F, Zhang L. Single-cell transcriptome sequencing provides insight into multiple chemotherapy resistance in a patient with refractory DLBCL: a case report. Front Immunol 2024; 15:1303310. [PMID: 38533514 PMCID: PMC10963401 DOI: 10.3389/fimmu.2024.1303310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 02/21/2024] [Indexed: 03/28/2024] Open
Abstract
Relapsed and refractory diffuse large B-cell lymphoma (DLBCL) is associated with poor prognosis. As such, a comprehensive analysis of intratumoral components, intratumoral heterogeneity, and the immune microenvironment is essential to elucidate the mechanisms driving the progression of DLBCL and to develop new therapeutics. Here, we used single-cell transcriptome sequencing and conventional bulk next-generation sequencing (NGS) to understand the composite tumor landscape of a single patient who had experienced multiple tumor recurrences following several chemotherapy treatments. NGS revealed several key somatic mutations that are known to contribute to drug resistance. Based on gene expression profiles at the single-cell level, we identified four clusters of malignant B cells with distinct transcriptional signatures, showing high intra-tumoral heterogeneity. Among them, heterogeneity was reflected in activating several key pathways, human leukocyte antigen (HLA)-related molecules' expression, and key oncogenes, which may lead to multi-drug resistance. In addition, FOXP3+ regulatory CD4+ T cells and exhausted cytotoxic CD8+ T cells were identified, accounted for a significant proportion, and showed highly immunosuppressive properties. Finally, cell communication analysis indicated complex interactions between malignant B cells and T cells. In conclusion, this case report demonstrates the value of single-cell RNA sequencing for visualizing the tumor microenvironment and identifying potential therapeutic targets in a patient with treatment-refractory DLBCL. The combination of NGS and single-cell RNA sequencing may facilitate clinical decision-making and drug selection in challenging DLBCL cases.
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Affiliation(s)
| | | | | | | | | | | | - Liling Zhang
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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25
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Liu M, Bertolazzi G, Sridhar S, Lee RX, Jaynes P, Mulder K, Syn N, Hoppe MM, Fan S, Peng Y, Thng J, Chua R, Jayalakshmi, Batumalai Y, De Mel S, Poon L, Chan EHL, Lee J, Hue SSS, Chang ST, Chuang SS, Chandy KG, Ye X, Pan-Hammarström Q, Ginhoux F, Chee YL, Ng SB, Tripodo C, Jeyasekharan AD. Spatially-resolved transcriptomics reveal macrophage heterogeneity and prognostic significance in diffuse large B-cell lymphoma. Nat Commun 2024; 15:2113. [PMID: 38459052 PMCID: PMC10923916 DOI: 10.1038/s41467-024-46220-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 02/19/2024] [Indexed: 03/10/2024] Open
Abstract
Macrophages are abundant immune cells in the microenvironment of diffuse large B-cell lymphoma (DLBCL). Macrophage estimation by immunohistochemistry shows varying prognostic significance across studies in DLBCL, and does not provide a comprehensive analysis of macrophage subtypes. Here, using digital spatial profiling with whole transcriptome analysis of CD68+ cells, we characterize macrophages in distinct spatial niches of reactive lymphoid tissues (RLTs) and DLBCL. We reveal transcriptomic differences between macrophages within RLTs (light zone /dark zone, germinal center/ interfollicular), and between disease states (RLTs/ DLBCL), which we then use to generate six spatially-derived macrophage signatures (MacroSigs). We proceed to interrogate these MacroSigs in macrophage and DLBCL single-cell RNA-sequencing datasets, and in gene-expression data from multiple DLBCL cohorts. We show that specific MacroSigs are associated with cell-of-origin subtypes and overall survival in DLBCL. This study provides a spatially-resolved whole-transcriptome atlas of macrophages in reactive and malignant lymphoid tissues, showing biological and clinical significance.
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Affiliation(s)
- Min Liu
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
- Department of Radiation Oncology, Chongqing University Cancer Hospital, Chongqing, PR China
- Department of Immunology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, PR China
| | - Giorgio Bertolazzi
- Department of Economics, Business and Statistics, University of Palermo, Palermo, Italy
- Tumor Immunology Unit, Department of Sciences for Health Promotion and Mother-Child Care "G. D'Alessandro", University of Palermo, Palermo, Italy
| | - Shruti Sridhar
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Rui Xue Lee
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Patrick Jaynes
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Kevin Mulder
- Singapore Immunology Network, Agency for Science, Technology and Research, Singapore, Singapore
- Institut National de la Santé Et de la Recherche Medicale (INSERM) U1015, Equipe Labellisée-Ligue Nationale contre le Cancer, Villejuif, France
- Université Paris-Saclay, Gustave Roussy, Villejuif, France
| | - Nicholas Syn
- Department of Pathology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Department of Biomedical Informatics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Michal Marek Hoppe
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Shuangyi Fan
- Department of Pathology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Yanfen Peng
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Jocelyn Thng
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Reiya Chua
- Department of Haematology-Oncology, National University Health System, Singapore, Singapore
| | - Jayalakshmi
- Department of Haematology-Oncology, National University Health System, Singapore, Singapore
| | - Yogeshini Batumalai
- Department of Haematology-Oncology, National University Health System, Singapore, Singapore
| | - Sanjay De Mel
- Department of Haematology-Oncology, National University Health System, Singapore, Singapore
- NUS Centre for Cancer Research, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Limei Poon
- Department of Haematology-Oncology, National University Health System, Singapore, Singapore
- NUS Centre for Cancer Research, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Esther Hian Li Chan
- Department of Haematology-Oncology, National University Health System, Singapore, Singapore
- NUS Centre for Cancer Research, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Joanne Lee
- Department of Haematology-Oncology, National University Health System, Singapore, Singapore
- NUS Centre for Cancer Research, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Susan Swee-Shan Hue
- Department of Pathology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- NUS Centre for Cancer Research, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Sheng-Tsung Chang
- Department of Pathology, Chi-Mei Medical Center, Tainan City, Taiwan, ROC
| | - Shih-Sung Chuang
- Department of Pathology, Chi-Mei Medical Center, Tainan City, Taiwan, ROC
| | - K George Chandy
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore, Singapore, Singapore
| | - Xiaofei Ye
- Kindstar Global Precision Medicine Institute, Wuhan, PR China
| | - Qiang Pan-Hammarström
- Division of Immunology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Florent Ginhoux
- Singapore Immunology Network, Agency for Science, Technology and Research, Singapore, Singapore
- Institut National de la Santé Et de la Recherche Medicale (INSERM) U1015, Equipe Labellisée-Ligue Nationale contre le Cancer, Villejuif, France
- Université Paris-Saclay, Gustave Roussy, Villejuif, France
| | - Yen Lin Chee
- Department of Haematology-Oncology, National University Health System, Singapore, Singapore
- NUS Centre for Cancer Research, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Siok-Bian Ng
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
- Department of Pathology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- NUS Centre for Cancer Research, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Claudio Tripodo
- Tumor Immunology Unit, Department of Sciences for Health Promotion and Mother-Child Care "G. D'Alessandro", University of Palermo, Palermo, Italy.
- Histopathology Unit, Institute of Molecular Oncology Foundation (IFOM) ETS - The AIRC Institute of Molecular Oncology, Milan, Italy.
| | - Anand D Jeyasekharan
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore.
- Department of Haematology-Oncology, National University Health System, Singapore, Singapore.
- NUS Centre for Cancer Research, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.
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26
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Daddacha W, Monroe D, Schlafstein A, Withers A, Thompson E, Danelia D, Luong N, Sesay F, Rath S, Usoro E, Essien M, Jung A, Jiang J, Hu J, Mahboubi B, Williams A, Steinbeck J, Yang X, Buchwald Z, Dynan W, Switchenko J, Kim B, Khan M, Jaye D, Yu D. SAMHD1 expression contributes to doxorubicin resistance and predicts survival outcomes in diffuse large B-cell lymphoma patients. NAR Cancer 2024; 6:zcae007. [PMID: 38406263 PMCID: PMC10894040 DOI: 10.1093/narcan/zcae007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 01/31/2024] [Accepted: 02/22/2024] [Indexed: 02/27/2024] Open
Abstract
Diffuse large B-cell lymphoma (DLBCL) is a commonly diagnosed, aggressive non-Hodgkin's lymphoma. While R-CHOP chemoimmunotherapy is potentially curative, about 40% of DLBCL patients will fail, highlighting the need to identify biomarkers to optimize management. SAMHD1 has a dNTPase-independent role in promoting resection to facilitate DNA double-strand break (DSB) repair by homologous recombination. We evaluated the relationship of SAMHD1 levels with sensitivity to DSB-sensitizing agents in DLBCL cells and the association of SAMHD1 expression with clinical outcomes in 79 DLBCL patients treated with definitive therapy and an independent cohort dataset of 234 DLBCL patients. Low SAMHD1 expression, Vpx-mediated, or siRNA-mediated degradation/depletion in DLBCL cells was associated with greater sensitivity to doxorubicin and PARP inhibitors. On Kaplan-Meier log-rank survival analysis, low SAMHD1 expression was associated with improved overall survival (OS), which on subset analysis remained significant only in patients with advanced stage (III-IV) and moderate to high risk (2-5 International Prognostic Index (IPI)). The association of low SAMHD1 expression with improved OS remained significant on multivariate analysis independent of other adverse factors, including IPI, and was validated in an independent cohort. Our findings suggest that SAMHD1 expression mediates doxorubicin resistance and may be an important prognostic biomarker in advanced, higher-risk DLBCL patients.
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Affiliation(s)
- Waaqo Daddacha
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Dominique Monroe
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Ashley J Schlafstein
- Department of Radiation Oncology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Allison E Withers
- Department of Radiation Oncology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Elizabeth B Thompson
- Department of Radiation Oncology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Diana Danelia
- Department of Radiation Oncology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Nho C Luong
- Department of Radiation Oncology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Fatmata Sesay
- Department of Radiation Oncology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Sandip K Rath
- Department of Radiation Oncology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Edidiong R Usoro
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Mark E Essien
- Department of Radiation Oncology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Andrew T Jung
- Department of Radiation Oncology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Jinmeng G Jiang
- Department of Radiation Oncology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Jiaxuan Hu
- Department of Radiation Oncology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Bijan Mahboubi
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Arilyn Williams
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Julia E Steinbeck
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Xiaofeng Yang
- Department of Radiation Oncology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Zachary S Buchwald
- Department of Radiation Oncology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - William S Dynan
- Department of Radiation Oncology, Emory University School of Medicine, Atlanta, GA 30322, USA
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Jeffrey M Switchenko
- Department of Biostatistics and Bioinformatics, Rollins School of Public Health and Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Baek Kim
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Mohammad K Khan
- Department of Radiation Oncology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - David L Jaye
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - David S Yu
- Department of Radiation Oncology, Emory University School of Medicine, Atlanta, GA 30322, USA
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27
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Benoit A, Abraham MJ, Li S, Kim J, Estrada-Tejedor R, Bakadlag R, Subramaniam N, Makhani K, Guilbert C, Tu R, Salaciak M, Klein KO, Coyle KM, Hilton LK, Santiago R, Dmitrienko S, Assouline S, Morin RD, Del Rincon SV, Johnson NA, Mann KK. STAT6 mutations enriched at diffuse large B-cell lymphoma relapse reshape the tumor microenvironment. Int J Hematol 2024; 119:275-290. [PMID: 38285120 PMCID: PMC10920476 DOI: 10.1007/s12185-023-03692-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 12/07/2023] [Accepted: 12/20/2023] [Indexed: 01/30/2024]
Abstract
Diffuse large B-cell lymphoma (DLBCL) relapses in approximately 40% of patients following frontline therapy. We reported that STAT6D419 mutations are enriched in relapsed/refractory DLBCL (rrDLBCL) samples, suggesting that JAK/STAT signaling plays a role in therapeutic resistance. We hypothesized that STAT6D419 mutations can improve DLBCL cell survival by reprogramming the microenvironment to sustain STAT6 activation. Thus, we investigated the role of STAT6D419 mutations on DLBCL cell growth and its microenvironment. We found that phospho-STAT6D419N was retained in the nucleus longer than phospho-STAT6WT following IL-4 stimulation, and STAT6D419N recognized a more restricted DNA-consensus sequence than STAT6WT. Upon IL-4 induction, STAT6D419N expression led to a higher magnitude of gene expression changes, but in a more selective list of gene targets compared with STATWT. The most significantly expressed genes induced by STAT6D419N were those implicated in survival, proliferation, migration, and chemotaxis, in particular CCL17. This chemokine, also known as TARC, attracts helper T-cells to the tumor microenvironment, especially in Hodgkin's lymphoma. To this end, in DLBCL, phospho-STAT6+ rrDLBCL cells had a greater proportion of infiltrating CD4+ T-cells than phospho-STAT6- tumors. Our findings suggest that STAT6D419 mutations in DLBCL lead to cell autonomous changes, enhanced signaling, and altered composition of the tumor microenvironment.
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Affiliation(s)
- Alexandre Benoit
- Lady Davis Institute, Jewish General Hospital, 3755 Côte Sainte-Catherine Road, Montreal, QC, H3T 1E2, Canada
- Division of Experimental Medicine, McGill University, Montreal, QC, Canada
| | - Madelyn J Abraham
- Lady Davis Institute, Jewish General Hospital, 3755 Côte Sainte-Catherine Road, Montreal, QC, H3T 1E2, Canada
- Division of Experimental Medicine, McGill University, Montreal, QC, Canada
| | - Sheena Li
- Lady Davis Institute, Jewish General Hospital, 3755 Côte Sainte-Catherine Road, Montreal, QC, H3T 1E2, Canada
| | - John Kim
- Lady Davis Institute, Jewish General Hospital, 3755 Côte Sainte-Catherine Road, Montreal, QC, H3T 1E2, Canada
- University of British Columbia, Vancouver, BC, Canada
| | - Roger Estrada-Tejedor
- Organic and Pharmaceutical Chemistry Department, IQS School of Engineering, Universitat Ramon Llull, Barcelona, Spain
| | - Rowa Bakadlag
- Lady Davis Institute, Jewish General Hospital, 3755 Côte Sainte-Catherine Road, Montreal, QC, H3T 1E2, Canada
- Division of Experimental Medicine, McGill University, Montreal, QC, Canada
| | - Nivetha Subramaniam
- Lady Davis Institute, Jewish General Hospital, 3755 Côte Sainte-Catherine Road, Montreal, QC, H3T 1E2, Canada
- Division of Experimental Medicine, McGill University, Montreal, QC, Canada
| | - Kiran Makhani
- Lady Davis Institute, Jewish General Hospital, 3755 Côte Sainte-Catherine Road, Montreal, QC, H3T 1E2, Canada
- Division of Experimental Medicine, McGill University, Montreal, QC, Canada
| | - Cynthia Guilbert
- Lady Davis Institute, Jewish General Hospital, 3755 Côte Sainte-Catherine Road, Montreal, QC, H3T 1E2, Canada
| | - Raymond Tu
- Lady Davis Institute, Jewish General Hospital, 3755 Côte Sainte-Catherine Road, Montreal, QC, H3T 1E2, Canada
- Department of Pharmacology and Therapeutics, McGill University, Montreal, QC, Canada
| | - Matthew Salaciak
- Lady Davis Institute, Jewish General Hospital, 3755 Côte Sainte-Catherine Road, Montreal, QC, H3T 1E2, Canada
- Division of Experimental Medicine, McGill University, Montreal, QC, Canada
| | - Kathleen Oros Klein
- Lady Davis Institute, Jewish General Hospital, 3755 Côte Sainte-Catherine Road, Montreal, QC, H3T 1E2, Canada
| | - Krysta Mila Coyle
- Department of Molecular Biology and Biochemistry, Simon Fraser University, Burnaby, BC, Canada
| | - Laura K Hilton
- Centre for Lymphoid Cancer, British Columbia Cancer, Vancouver, BC, Canada
| | - Raoul Santiago
- Department of Pediatrics, Faculty of Medicine, Universite Laval, Quebec City, QC, Canada
| | - Svetlana Dmitrienko
- Division of Pathology, McGill University Health Centre, Montreal, QC, Canada
| | - Sarit Assouline
- Lady Davis Institute, Jewish General Hospital, 3755 Côte Sainte-Catherine Road, Montreal, QC, H3T 1E2, Canada
- Division of Experimental Medicine, McGill University, Montreal, QC, Canada
- Department of Oncology, McGill University, Montreal, QC, Canada
| | - Ryan D Morin
- Department of Molecular Biology and Biochemistry, Simon Fraser University, Burnaby, BC, Canada
| | - Sonia V Del Rincon
- Lady Davis Institute, Jewish General Hospital, 3755 Côte Sainte-Catherine Road, Montreal, QC, H3T 1E2, Canada
- Division of Experimental Medicine, McGill University, Montreal, QC, Canada
| | - Nathalie A Johnson
- Lady Davis Institute, Jewish General Hospital, 3755 Côte Sainte-Catherine Road, Montreal, QC, H3T 1E2, Canada
- Division of Experimental Medicine, McGill University, Montreal, QC, Canada
- Department of Oncology, McGill University, Montreal, QC, Canada
| | - Koren K Mann
- Lady Davis Institute, Jewish General Hospital, 3755 Côte Sainte-Catherine Road, Montreal, QC, H3T 1E2, Canada.
- Division of Experimental Medicine, McGill University, Montreal, QC, Canada.
- Department of Pharmacology and Therapeutics, McGill University, Montreal, QC, Canada.
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28
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Huang YH, Qiu YR, Zhang QL, Cai MC, Yu H, Zhang JM, Jiang L, Ji MM, Xu PP, Wang L, Cheng S, Zhao WL. Genomic and transcriptomic profiling of peripheral T cell lymphoma reveals distinct molecular and microenvironment subtypes. Cell Rep Med 2024; 5:101416. [PMID: 38350451 PMCID: PMC10897627 DOI: 10.1016/j.xcrm.2024.101416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 01/25/2023] [Accepted: 01/17/2024] [Indexed: 02/15/2024]
Abstract
Peripheral T cell lymphoma (PTCL) is a heterogeneous group of non-Hodgkin's lymphomas varying in clinical, phenotypic, and genetic features. The molecular pathogenesis and the role of the tumor microenvironment in PTCL are poorly understood, with limited biomarkers available for genetic subtyping and targeted therapies. Through an integrated genomic and transcriptomic study of 221 PTCL patients, we delineate the genetic landscape of PTCL, enabling molecular and microenvironment classification. According to the mutational status of RHOA, TET2, histone-modifying, and immune-related genes, PTCL is divided into 4 molecular subtypes with discrete patterns of gene expression, biological aberrations, and vulnerabilities to targeted agents. We also perform an unsupervised clustering on the microenvironment transcriptional signatures and categorize PTCL into 4 lymphoma microenvironment subtypes based on characteristic activation of oncogenic pathways and composition of immune communities. Our findings highlight the potential clinical rationale of future precision medicine strategies that target both molecular and microenvironment alterations in PTCL.
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Affiliation(s)
- Yao-Hui Huang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yu-Ran Qiu
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qun-Ling Zhang
- Department of Lymphoma, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Ming-Ci Cai
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hao Yu
- Department of Research and Development, Shanghai Yuanqi Biomedical Technology Co., Ltd., No. 699, North Huifeng Road, Fengxian District, Shanghai, China
| | - Jian-Ming Zhang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lu Jiang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Meng-Meng Ji
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Peng-Peng Xu
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Li Wang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Pôle de Recherches Sino-Français en Science du Vivant et Génomique, Laboratory of Molecular Pathology, Shanghai, China
| | - Shu Cheng
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wei-Li Zhao
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Pôle de Recherches Sino-Français en Science du Vivant et Génomique, Laboratory of Molecular Pathology, Shanghai, China.
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29
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Locke FL, Filosto S, Chou J, Vardhanabhuti S, Perbost R, Dreger P, Hill BT, Lee C, Zinzani PL, Kröger N, López-Guillermo A, Greinix H, Zhang W, Tiwari G, Budka J, Marincola FM, To C, Mattie M, Schupp M, Cheng P, Bot A, Shen R, Bedognetti D, Miao H, Galon J. Impact of tumor microenvironment on efficacy of anti-CD19 CAR T cell therapy or chemotherapy and transplant in large B cell lymphoma. Nat Med 2024; 30:507-518. [PMID: 38233586 PMCID: PMC10878966 DOI: 10.1038/s41591-023-02754-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 12/05/2023] [Indexed: 01/19/2024]
Abstract
The phase 3 ZUMA-7 trial in second-line large B cell lymphoma demonstrated superiority of anti-CD19 CAR T cell therapy (axicabtagene ciloleucel (axi-cel)) over standard of care (SOC; salvage chemotherapy followed by hematopoietic transplantation) ( NCT03391466 ). Here, we present a prespecified exploratory analysis examining the association between pretreatment tumor characteristics and the efficacy of axi-cel versus SOC. B cell gene expression signature (GES) and CD19 expression associated significantly with improved event-free survival for axi-cel (P = 0.0002 for B cell GES; P = 0.0165 for CD19 expression) but not SOC (P = 0.9374 for B cell GES; P = 0.5526 for CD19 expression). Axi-cel showed superior event-free survival over SOC irrespective of B cell GES and CD19 expression (P = 8.56 × 10-9 for B cell GES high; P = 0.0019 for B cell GES low; P = 3.85 × 10-9 for CD19 gene high; P = 0.0017 for CD19 gene low). Low CD19 expression in malignant cells correlated with a tumor GES consisting of immune-suppressive stromal and myeloid genes, highlighting the inter-relation between malignant cell features and immune contexture substantially impacting axi-cel outcomes. Tumor burden, lactate dehydrogenase and cell-of-origin impacted SOC more than axi-cel outcomes. T cell activation and B cell GES, which are associated with improved axi-cel outcome, decreased with increasing lines of therapy. These data highlight differences in resistance mechanisms to axi-cel and SOC and support earlier intervention with axi-cel.
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Affiliation(s)
| | | | - Justin Chou
- Kite, a Gilead Company, Santa Monica, CA, USA
| | | | | | - Peter Dreger
- Heidelberg University Hospital, Heidelberg, Germany
| | | | - Catherine Lee
- Huntsman Cancer Institute, University of Utah, Salt Lake City, UT, USA
| | - Pier L Zinzani
- IRCCS Azienda Ospedaliero-Universitaria di Bologna Istituto di Ematologia Seràgnol and Dipartimento di Medicina Specialistica, Diagnostica e Sperimentale Università di Bologna, Bologna, Italy
| | | | | | | | | | | | | | | | | | - Mike Mattie
- Kite, a Gilead Company, Santa Monica, CA, USA
| | | | - Paul Cheng
- Kite, a Gilead Company, Santa Monica, CA, USA
| | - Adrian Bot
- Kite, a Gilead Company, Santa Monica, CA, USA
| | - Rhine Shen
- Kite, a Gilead Company, Santa Monica, CA, USA
| | | | - Harry Miao
- Kite, a Gilead Company, Santa Monica, CA, USA
| | - Jérôme Galon
- Veracyte, Marseille, France
- INSERM, Sorbonne Université, Université Paris Cité, Centre de Recherche des Cordeliers, Equipe Labellisée Ligue Contre le Cancer, Laboratory of Integrative Cancer Immunology F-75006, Paris, France
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30
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Marullo R, Rutherford SC, Revuelta MV, Zamponi N, Culjkovic-Kraljacic B, Kotlov N, Di Siervi N, Lara-Garcia J, Allan JN, Ruan J, Furman RR, Chen Z, Shore TB, Phillips AA, Mayer S, Hsu J, van Besien K, Leonard JP, Borden KL, Inghirami G, Martin P, Cerchietti L. XPO1 Enables Adaptive Regulation of mRNA Export Required for Genotoxic Stress Tolerance in Cancer Cells. Cancer Res 2024; 84:101-117. [PMID: 37801604 PMCID: PMC10758694 DOI: 10.1158/0008-5472.can-23-1992] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 09/08/2023] [Accepted: 10/03/2023] [Indexed: 10/08/2023]
Abstract
Exportin-1 (XPO1), the main soluble nuclear export receptor in eukaryotic cells, is frequently overexpressed in diffuse large B-cell lymphoma (DLBCL). A selective XPO1 inhibitor, selinexor, received approval as single agent for relapsed or refractory (R/R) DLBCL. Elucidating the mechanisms by which XPO1 overexpression supports cancer cells could facilitate further clinical development of XPO1 inhibitors. We uncovered here that XPO1 overexpression increases tolerance to genotoxic stress, leading to a poor response to chemoimmunotherapy. Upon DNA damage induced by MYC expression or exogenous compounds, XPO1 bound and exported EIF4E and THOC4 carrying DNA damage repair mRNAs, thereby increasing synthesis of DNA damage repair proteins under conditions of increased turnover. Consequently, XPO1 inhibition decreased the capacity of lymphoma cells to repair DNA damage and ultimately resulted in increased cytotoxicity. In a phase I clinical trial conducted in R/R DLBCL, the combination of selinexor with second-line chemoimmunotherapy was tolerated with early indication of efficacy. Overall, this study reveals that XPO1 overexpression plays a critical role in the increased tolerance of cancer cells to DNA damage while providing new insights to optimize the clinical development of XPO1 inhibitors. SIGNIFICANCE XPO1 regulates the dynamic ribonucleoprotein nuclear export in response to genotoxic stress to support tolerance and can be targeted to enhance the sensitivity of cancer cells to endogenous and exogenous DNA damage. See related commentary by Knittel and Reinhardt, p. 3.
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Affiliation(s)
- Rossella Marullo
- Division of Hematology and Oncology, Medicine Department, Weill Cornell Medicine and NewYork-Presbyterian Hospital, New York, New York
| | - Sarah C. Rutherford
- Division of Hematology and Oncology, Medicine Department, Weill Cornell Medicine and NewYork-Presbyterian Hospital, New York, New York
| | - Maria V. Revuelta
- Division of Hematology and Oncology, Medicine Department, Weill Cornell Medicine and NewYork-Presbyterian Hospital, New York, New York
| | - Nahuel Zamponi
- Division of Hematology and Oncology, Medicine Department, Weill Cornell Medicine and NewYork-Presbyterian Hospital, New York, New York
| | - Biljana Culjkovic-Kraljacic
- Institute for Research in Immunology and Cancer and Department of Pathology and Cell Biology, University of Montreal, Montreal, Canada
| | | | - Nicolás Di Siervi
- Division of Hematology and Oncology, Medicine Department, Weill Cornell Medicine and NewYork-Presbyterian Hospital, New York, New York
| | - Juan Lara-Garcia
- Division of Hematology and Oncology, Medicine Department, Weill Cornell Medicine and NewYork-Presbyterian Hospital, New York, New York
| | - John N. Allan
- Division of Hematology and Oncology, Medicine Department, Weill Cornell Medicine and NewYork-Presbyterian Hospital, New York, New York
| | - Jia Ruan
- Division of Hematology and Oncology, Medicine Department, Weill Cornell Medicine and NewYork-Presbyterian Hospital, New York, New York
| | - Richard R. Furman
- Division of Hematology and Oncology, Medicine Department, Weill Cornell Medicine and NewYork-Presbyterian Hospital, New York, New York
| | - Zhengming Chen
- Division of Biostatistics, Population Health Sciences Department, Weill Cornell Medicine, New York, New York
| | - Tsiporah B. Shore
- Division of Hematology and Oncology, Medicine Department, Weill Cornell Medicine and NewYork-Presbyterian Hospital, New York, New York
| | - Adrienne A. Phillips
- Division of Hematology and Oncology, Medicine Department, Weill Cornell Medicine and NewYork-Presbyterian Hospital, New York, New York
| | - Sebastian Mayer
- Division of Hematology and Oncology, Medicine Department, Weill Cornell Medicine and NewYork-Presbyterian Hospital, New York, New York
| | - Jingmei Hsu
- New York University Grossman School of Medicine, New York, New York
| | | | - John P. Leonard
- Division of Hematology and Oncology, Medicine Department, Weill Cornell Medicine and NewYork-Presbyterian Hospital, New York, New York
| | - Katherine L.B. Borden
- Institute for Research in Immunology and Cancer and Department of Pathology and Cell Biology, University of Montreal, Montreal, Canada
| | - Giorgio Inghirami
- Pathology and Laboratory Medicine Department, Weill Cornell Medicine and NewYork-Presbyterian Hospital, New York, New York
| | - Peter Martin
- Division of Hematology and Oncology, Medicine Department, Weill Cornell Medicine and NewYork-Presbyterian Hospital, New York, New York
| | - Leandro Cerchietti
- Division of Hematology and Oncology, Medicine Department, Weill Cornell Medicine and NewYork-Presbyterian Hospital, New York, New York
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31
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Forberg AL, Unrau J, Weber KS, Rutz AC, Lund S, Guidinger J, Pelzel A, Hauge J, Hemmen AJ, Hartert KT. Integrative analyses reveal outcome-associated and targetable molecular partnerships between TP53, BRD4, TNFRSF10B, and CDKN1A in diffuse large B-cell lymphoma. Ann Hematol 2024; 103:199-209. [PMID: 37792064 DOI: 10.1007/s00277-023-05478-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 09/23/2023] [Indexed: 10/05/2023]
Abstract
Diffuse large B-cell lymphoma (DLBCL) is a common, genomically heterogenous disease that presents a clinical challenge despite the success of frontline regimens and second-line chimeric antigen receptor T-cell (CAR-T) therapy. Recently, genomic alterations and tumor microenvironment features associated with poor CAR-T response have been identified, namely those to the TP53 tumor suppressor gene. This retrospective analysis aimed to integrate various data to identify genomic partnerships capable of providing further clarity and actionable treatment targets within this population. Publicly available data were analyzed for differential expression based on TP53 and 24-month event-free survival (EFS24) status, revealing enrichments of the BRD4 bromodomain oncogene (p < 0.0001, p = 0.001). High-BRD4 and TP53 alterations were significantly associated with lower CDKN1A (p21) and TNFRSF10B (TRAIL-R2), a key tumor suppressor and CAR-T modulator, respectively. Significant loss of CD8 T-cell presence within low-TNFRSF0B (p = 0.0042) and altered-TP53 (p = 0.0424) patients showcased relevant outcome-associated tumor microenvironment features. Furthermore, reduced expression of CDKN1A was associated with low TNFRSF10B (FDR < 0.0001) and increased BRD4 interactant genes (FDR < 0.0001). Promisingly, in vitro MDM2 inhibition with Idasnutlin and TP53 reactivation via Eprenetapopt was able to renew TNFRSF10B protein expression. Additionally, applying the BRD4-degrading PROTAC ARV-825 and the CDK4/6 inhibitor Abemaciclib as single-agents and in synergistic combination significantly reduced TP53-altered DLBCL cell line viability. Our analysis presents key associations within a genomic network of actionable targets capable of providing clarity within the evolving precision CAR-T treatment landscape.
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Affiliation(s)
- Aidan L Forberg
- Department of Biological Sciences, Minnesota State University Mankato, Mankato, MN, 56001, USA
| | - Jordan Unrau
- Department of Biological Sciences, Minnesota State University Mankato, Mankato, MN, 56001, USA
| | - Kennedee S Weber
- Department of Biological Sciences, Minnesota State University Mankato, Mankato, MN, 56001, USA
| | - Alison C Rutz
- Department of Biological Sciences, Minnesota State University Mankato, Mankato, MN, 56001, USA
| | - Shelby Lund
- Department of Biological Sciences, Minnesota State University Mankato, Mankato, MN, 56001, USA
| | - Jinda Guidinger
- Department of Biological Sciences, Minnesota State University Mankato, Mankato, MN, 56001, USA
| | - Andrew Pelzel
- Department of Biological Sciences, Minnesota State University Mankato, Mankato, MN, 56001, USA
| | - Jackson Hauge
- Department of Biological Sciences, Minnesota State University Mankato, Mankato, MN, 56001, USA
| | - Ainslee J Hemmen
- Department of Biological Sciences, Minnesota State University Mankato, Mankato, MN, 56001, USA
| | - Keenan T Hartert
- Department of Biological Sciences, Minnesota State University Mankato, Mankato, MN, 56001, USA.
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32
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Shen Y, Ji M, Yi H, Shen R, Fu D, Cheng S, Huang C, Wang L, Xu P, Dou H, Zhao W. CD47 overexpression is related to tumour-associated macrophage infiltration and diffuse large B-cell lymphoma progression. Clin Transl Med 2024; 14:e1532. [PMID: 38193627 PMCID: PMC10775178 DOI: 10.1002/ctm2.1532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 12/18/2023] [Accepted: 12/23/2023] [Indexed: 01/10/2024] Open
Affiliation(s)
- Yi‐Ge Shen
- Shanghai Institute of HematologyState Key Laboratory of Medical GenomicsNational Research Center for Translational Medicine at ShanghaiRuijin Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Meng‐Meng Ji
- Shanghai Institute of HematologyState Key Laboratory of Medical GenomicsNational Research Center for Translational Medicine at ShanghaiRuijin Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Hong‐Mei Yi
- Department of PathologyRuijin Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Rong Shen
- Shanghai Institute of HematologyState Key Laboratory of Medical GenomicsNational Research Center for Translational Medicine at ShanghaiRuijin Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Di Fu
- Shanghai Institute of HematologyState Key Laboratory of Medical GenomicsNational Research Center for Translational Medicine at ShanghaiRuijin Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Shu Cheng
- Shanghai Institute of HematologyState Key Laboratory of Medical GenomicsNational Research Center for Translational Medicine at ShanghaiRuijin Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Chuan‐Xin Huang
- Department of Immunobiology and MicrobiologyShanghai Institute of ImmunologyShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Li Wang
- Shanghai Institute of HematologyState Key Laboratory of Medical GenomicsNational Research Center for Translational Medicine at ShanghaiRuijin Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
- Pôle de Recherches Sino‐Français en Science du Vivant et GénomiqueLaboratory of Molecular PathologyShanghaiChina
| | - Peng‐Peng Xu
- Shanghai Institute of HematologyState Key Laboratory of Medical GenomicsNational Research Center for Translational Medicine at ShanghaiRuijin Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Hong‐Jing Dou
- State Key Laboratory of Metal Matrix CompositesSchool of Materials Science and EngineeringNational Research Center for Translational Medicine at ShanghaiShanghai Jiao Tong UniversityShanghaiChina
| | - Wei‐Li Zhao
- Shanghai Institute of HematologyState Key Laboratory of Medical GenomicsNational Research Center for Translational Medicine at ShanghaiRuijin Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
- Pôle de Recherches Sino‐Français en Science du Vivant et GénomiqueLaboratory of Molecular PathologyShanghaiChina
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Urata T, Naoi Y, Jiang A, Boyle M, Sunami K, Imai T, Nawa Y, Hiramatsu Y, Yamamoto K, Fujii S, Yoshida I, Yano T, Chijimatsu R, Murakami H, Ikeuchi K, Kobayashi H, Tani K, Ujiie H, Inoue H, Tomida S, Yamamoto A, Kondo T, Fujiwara H, Asada N, Nishimori H, Fujii K, Fujii N, Matsuoka KI, Sawada K, Momose S, Tamaru JI, Nishikori A, Sato Y, Yoshino T, Maeda Y, Scott DW, Ennishi D. Distribution and clinical impact of molecular subtypes with dark zone signature of DLBCL in a Japanese real-world study. Blood Adv 2023; 7:7459-7470. [PMID: 37552496 PMCID: PMC10758740 DOI: 10.1182/bloodadvances.2023010402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 07/22/2023] [Accepted: 07/24/2023] [Indexed: 08/09/2023] Open
Abstract
The distribution and clinical impact of cell-of-origin (COO) subtypes of diffuse large B-cell lymphoma (DLBCL) outside Western countries remain unknown. Recent literature also suggests that there is an additional COO subtype associated with the germinal center dark zone (DZ) that warrants wider validation to generalize clinical relevance. Here, we assembled a cohort of Japanese patients with untreated DLBCL and determined the refined COO subtypes, which include the DZ signature (DZsig), using the NanoString DLBCL90 assay. To compare the distribution and clinical characteristics of the molecular subtypes, we used a data set from the cohort of British Columbia Cancer (BCC) (n = 804). Through the 1050 patient samples on which DLBCL90 assay was successfully performed in our cohort, 35%, 45%, and 6% of patients were identified to have germinal center B-cell-like (GCB) DLBCL, activated B-cell-like (ABC) DLBCL, and DZsig-positive (DZsigpos) DLBCL, respectively, with the highest prevalence of ABC-DLBCL, differing significantly from the BCC result (P < .001). GCB-DLBCL, ABC-DLBCL, and DZsigpos-DLBCL were associated with 2-year overall survival rates of 88%, 75%, and 66%, respectively (P < .0001), with patients with DZsigpos-DLBCL having the poorest prognosis. In contrast, GCB-DLBCL without DZsig showed excellent outcomes after rituximab-containing immunochemotherapy. DZsigpos-DLBCL was associated with the significant enrichment of tumors with CD10 expression, concurrent MYC/BCL2 expression, and depletion of microenvironmental components (all, P < .05). These results provide evidence of the distinct distribution of clinically relevant molecular subtypes in Japanese DLBCL and that refined COO, as measured by the DLBCL90 assay, is a robust prognostic biomarker that is consistent across geographical areas.
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Affiliation(s)
- Tomohiro Urata
- Department of Hematology, Oncology and Respiratory Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
- Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
- Center for Comprehensive Genomic Medicine, Okayama University Hospital, Okayama, Japan
| | - Yusuke Naoi
- Department of Hematology, Oncology and Respiratory Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
- Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
- Center for Comprehensive Genomic Medicine, Okayama University Hospital, Okayama, Japan
| | - Aixiang Jiang
- British Columbia Cancer, Centre for Lymphoid Cancer, Vancouver, BC, Canada
| | - Merrill Boyle
- British Columbia Cancer, Centre for Lymphoid Cancer, Vancouver, BC, Canada
| | - Kazutaka Sunami
- Department of Hematology, NHO Okayama Medical Center, Okayama, Japan
| | - Toshi Imai
- Department of Hematology and Blood Transfusion, Kochi Health Sciences Center, Kochi, Japan
| | - Yuichiro Nawa
- Division of Hematology, Ehime Prefectural Central Hospital, Matsuyama, Japan
| | - Yasushi Hiramatsu
- Department of Hematology and Oncology, Japanese Red Cross Society Himeji Hospital, Hyogo, Japan
| | - Kazuhiko Yamamoto
- Department of Hematology and Oncology, Okayama City Hospital, Okayama, Japan
| | - Soichiro Fujii
- Department of Hematology, Japanese Red Cross Okayama Hospital, Okayama, Japan
| | - Isao Yoshida
- Department of Hematologic Oncology, NHO Shikoku Cancer Center, Matsuyama, Japan
| | - Tomofumi Yano
- Department of Internal Medicine, Okayama Rosai Hospital, Okayama, Japan
| | - Ryota Chijimatsu
- Center for Comprehensive Genomic Medicine, Okayama University Hospital, Okayama, Japan
| | - Hiroyuki Murakami
- Department of Hematology, Oncology and Respiratory Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
- Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
- Center for Comprehensive Genomic Medicine, Okayama University Hospital, Okayama, Japan
| | - Kazuhiro Ikeuchi
- Department of Hematology, Oncology and Respiratory Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
- Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
- Center for Comprehensive Genomic Medicine, Okayama University Hospital, Okayama, Japan
| | - Hiroki Kobayashi
- Department of Hematology, Oncology and Respiratory Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
- Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
- Center for Comprehensive Genomic Medicine, Okayama University Hospital, Okayama, Japan
| | - Katsuma Tani
- Department of Hematology, Oncology and Respiratory Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
- Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
- Center for Comprehensive Genomic Medicine, Okayama University Hospital, Okayama, Japan
| | - Hideki Ujiie
- Center for Comprehensive Genomic Medicine, Okayama University Hospital, Okayama, Japan
| | - Hirofumi Inoue
- Clinical Genomic Medicine, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Science, Okayama, Japan
| | - Shuta Tomida
- Center for Comprehensive Genomic Medicine, Okayama University Hospital, Okayama, Japan
| | - Akira Yamamoto
- Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
| | - Takumi Kondo
- Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
| | - Hideaki Fujiwara
- Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
| | - Noboru Asada
- Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
| | - Hisakazu Nishimori
- Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
| | - Keiko Fujii
- Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
| | - Nobuharu Fujii
- Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
| | - Ken-ichi Matsuoka
- Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
| | - Keisuke Sawada
- Department of Pathology, Saitama Medical Center, Saitama Medical University, Saitama, Japan
| | - Shuji Momose
- Department of Pathology, Saitama Medical Center, Saitama Medical University, Saitama, Japan
| | - Jun-ichi Tamaru
- Department of Pathology, Saitama Medical Center, Saitama Medical University, Saitama, Japan
| | - Asami Nishikori
- Department of Molecular Hematopathology, Okayama University Graduate School of Health Sciences, Okayama, Japan
| | - Yasuharu Sato
- Department of Molecular Hematopathology, Okayama University Graduate School of Health Sciences, Okayama, Japan
| | | | - Yoshinobu Maeda
- Department of Hematology, Oncology and Respiratory Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
- Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
| | - David W. Scott
- British Columbia Cancer, Centre for Lymphoid Cancer, Vancouver, BC, Canada
| | - Daisuke Ennishi
- Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
- Center for Comprehensive Genomic Medicine, Okayama University Hospital, Okayama, Japan
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Xiao F, Cai YM, Fang JC, Shen YY, Yu BH, Zhang YW, Zhu D, Li ZH, Li GQ, Hou J, Zhang MY, Huang HH. Diffuse large B-cell lymphoma with continuously elevated immunoglobulin M following treatment: a case report with pathologic, immunophenotypic, and molecular analyses. Front Genet 2023; 14:1228372. [PMID: 38028606 PMCID: PMC10657880 DOI: 10.3389/fgene.2023.1228372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 10/13/2023] [Indexed: 12/01/2023] Open
Abstract
A rare subtype of diffuse large B-cell lymphoma (DLBCL) has been reported to be accompanied by elevated immunoglobulin M (IgM) paraprotein in the serum at diagnosis, called as IgMs-DLBCL. The monoclonal IgM paraprotein disappears soon after treatment in most of these patients. Here, we described a DLBCL patient with continuously elevated IgM following therapy. A 59-year-old male was diagnosed with DLBCL (GCB subtype per Hans algorithm, stage IA) with involvement of the right cervical lymph node. After six cycles of immuno-chemotherapy with the R-CHOP regimen, complete metabolic remission was achieved, but an elevated level of serum IgM persisted. To investigate the origin of elevated IgM, pathologic, immunophenotypic, and molecular analyses of lymph node and bone marrow (BM) samples were performed pre- and post-treatment. BM infiltration of lymphoplasmacytic cells, and a typical immunophenotypic profile by flow cytometry supported the diagnosis of Waldenström macroglobulinemia (WM). The MCD subtype of DLBCL was identified by next-generation sequencing of the lymph node at initial diagnosis characterized by co-occurring point mutations in MYD88 L265P and CD79B. Additionally, two different dominant clonotypes of the immunoglobulin heavy chain (IGH) were detected in the lymph node and BM by IGH sequencing, which was IGHV 3-11*06/IGHJ 3*02 and IGHV 3-11*06/IGHJ 6*02, respectively, speculating to be two independent clonal origins. This study will provide a panoramic understanding of the origin or biological characteristics of DLBCL co-occurring with WM.
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Affiliation(s)
- Fei Xiao
- Department of Hematology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yong-Mei Cai
- Department of Hematology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Jian-Chen Fang
- Department of Pathology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yan-Ying Shen
- Department of Pathology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Bao-Hua Yu
- Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Yi-Wei Zhang
- Department of Hematology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Di Zhu
- Department of Hematology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Zi-Hua Li
- Department of Hematology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Guo-Qing Li
- Shanghai Rightongene Biomedical Technology Co., Ltd., Shanghai, China
| | - Jian Hou
- Department of Hematology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Min-Yue Zhang
- Department of Hematology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Hong-Hui Huang
- Department of Hematology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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35
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Brauge B, Dessauge E, Creusat F, Tarte K. Modeling the crosstalk between malignant B cells and their microenvironment in B-cell lymphomas: challenges and opportunities. Front Immunol 2023; 14:1288110. [PMID: 38022603 PMCID: PMC10652758 DOI: 10.3389/fimmu.2023.1288110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Accepted: 10/23/2023] [Indexed: 12/01/2023] Open
Abstract
B-cell lymphomas are a group of heterogeneous neoplasms resulting from the clonal expansion of mature B cells arrested at various stages of differentiation. Specifically, two lymphoma subtypes arise from germinal centers (GCs), namely follicular lymphoma (FL) and GC B-cell diffuse large B-cell lymphoma (GCB-DLBCL). In addition to recent advances in describing the genetic landscape of FL and GCB-DLBCL, tumor microenvironment (TME) has progressively emerged as a central determinant of early lymphomagenesis, subclonal evolution, and late progression/transformation. The lymphoma-supportive niche integrates a dynamic and coordinated network of immune and stromal cells defining microarchitecture and mechanical constraints and regulating tumor cell migration, survival, proliferation, and immune escape. Several questions are still unsolved regarding the interplay between lymphoma B cells and their TME, including the mechanisms supporting these bidirectional interactions, the impact of the kinetic and spatial heterogeneity of the tumor niche on B-cell heterogeneity, and how individual genetic alterations can trigger both B-cell intrinsic and B-cell extrinsic signals driving the reprogramming of non-malignant cells. Finally, it is not clear whether these interactions might promote resistance to treatment or, conversely, offer valuable therapeutic opportunities. A major challenge in addressing these questions is the lack of relevant models integrating tumor cells with specific genetic hits, non-malignant cells with adequate functional properties and organization, extracellular matrix, and biomechanical forces. We propose here an overview of the 3D in vitro models, xenograft approaches, and genetically-engineered mouse models recently developed to study GC B-cell lymphomas with a specific focus on the pros and cons of each strategy in understanding B-cell lymphomagenesis and evaluating new therapeutic strategies.
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Affiliation(s)
- Baptiste Brauge
- UMR 1236, Univ Rennes, INSERM, Etablissement Français du Sang Bretagne, Equipe Labellisée Ligue, Rennes, France
| | - Elise Dessauge
- UMR 1236, Univ Rennes, INSERM, Etablissement Français du Sang Bretagne, Equipe Labellisée Ligue, Rennes, France
| | - Florent Creusat
- UMR 1236, Univ Rennes, INSERM, Etablissement Français du Sang Bretagne, Equipe Labellisée Ligue, Rennes, France
| | - Karin Tarte
- UMR 1236, Univ Rennes, INSERM, Etablissement Français du Sang Bretagne, Equipe Labellisée Ligue, Rennes, France
- SITI Laboratory, Centre Hospitalier Universitaire (CHU) Rennes, Etablissement Français du sang, Univ Rennes, Rennes, France
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36
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Hilton LK, Scott DW, Morin RD. Biological heterogeneity in diffuse large B-cell lymphoma. Semin Hematol 2023; 60:267-276. [PMID: 38151380 DOI: 10.1053/j.seminhematol.2023.11.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 11/19/2023] [Accepted: 11/28/2023] [Indexed: 12/29/2023]
Abstract
Diffuse large B-cell lymphoma (DLBCL) is heterogeneous both in clinical outcomes and the underlying disease biology. Over the last 2 decades, several different approaches for dissecting biological heterogeneity have emerged. Gene expression profiling (GEP) stratifies DLBCL into 3 broad groups (ABC, GCB, and DZsig/MHG), each with parallels to different normal mature B cell developmental states and prognostic implications. More recently, several different genomic approaches have been developed to categorize DLBCL based on the co-occurrence of tumor somatic mutations, identifying more granular biologically unified subgroups that complement GEP-based approaches. We review the molecular approaches and clinical evidence supporting the stratification of DLBCL patients based on tumor biology. By offering a platform for subtype-guided therapy, these divisions remain a promising avenue for improving patient outcomes, especially in subgroups with inferior outcomes with current standard-of-care therapy.
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Affiliation(s)
- Laura K Hilton
- BC Cancer Centre for Lymphoid Cancer, Vancouver, BC, Canada.; Department of Molecular Biology and Biochemistry, Simon Fraser University, Burnaby, BC, Canada.
| | - David W Scott
- BC Cancer Centre for Lymphoid Cancer, Vancouver, BC, Canada.; Division of Medical Oncology, Department of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Ryan D Morin
- BC Cancer Centre for Lymphoid Cancer, Vancouver, BC, Canada.; Department of Molecular Biology and Biochemistry, Simon Fraser University, Burnaby, BC, Canada; Canada's Michael Smith Genome Sciences Centre, BC Cancer Research Centre, Vancouver, BC, Canada
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37
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Leivonen SK, Friman T, Autio M, Vaittinen S, Jensen AW, D'Amore F, Hamilton-Dutoit SJ, Holte H, Beiske K, Kovanen PE, Räty R, Leppä S. Characterization and clinical impact of the tumor microenvironment in post-transplant aggressive B-cell lymphomas. Haematologica 2023; 108:3044-3057. [PMID: 37259566 PMCID: PMC10620595 DOI: 10.3324/haematol.2023.282831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 05/23/2023] [Indexed: 06/02/2023] Open
Abstract
Post-transplant lymphoproliferative disorders (PTLD) are iatrogenic immune deficiency-associated lymphoid/plasmacytic proliferations developing due to immunosuppression in solid organ or hematopoietic stem cell allograft patients. PTLD are characterized by abnormal proliferation of lymphoid cells and have a heterogeneous clinical behavior. We profiled expression of >700 tumor microenvironment (TME)-related genes in 75 post-transplant aggressive B-cell lymphomas (PTABCL). Epstein-Barr virus (EBV)-positive PT-ABCL clustered together and were enriched for type I interferon pathway and antiviral-response genes. Additionally, a cytotoxicity gene signature associated with EBV-positivity and favorable overall survival (OS) (hazard ratio =0.61; P=0.019). In silico immunophenotyping revealed two subgroups with distinct immune cell compositions. The inflamed subgroup with higher proportions of immune cells had better outcome compared to noninflamed subgroup (median OS >200.0 vs. 15.2 months; P=0.006). In multivariable analysis with EBV status, International Prognostic Index, and rituximab-containing treatment, inflamed TME remained as an independent predictor for favorable outcome. We also compared TME between post-transplant and immunocompetent host diffuse large B-cell lymphomas (n=75) and discovered that the proportions of T cells were lower in PT-diffuse large B-cell lymphomas. In conclusion, we provide a comprehensive phenotypic characterization of PT-ABCL, highlighting the importance of immune cell composition of TME in determining the clinical behavior and prognosis of PT-ABCL.
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Affiliation(s)
- Suvi-Katri Leivonen
- Applied Tumor Genomics Research Program, Medical Faculty, University of Helsinki, Helsinki, Finland; Department of Oncology, Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland; iCAN Digital Precision Cancer Medicine Flagship, Helsinki
| | - Terhi Friman
- Department of Hematology, Helsinki University Hospital Comprehensive Cancer Center and University of Helsinki
| | - Matias Autio
- Applied Tumor Genomics Research Program, Medical Faculty, University of Helsinki, Helsinki, Finland; Department of Oncology, Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland; iCAN Digital Precision Cancer Medicine Flagship, Helsinki
| | - Samuli Vaittinen
- Department of Pathology, Turku University Hospital, University of Turku, Turku
| | | | | | | | - Harald Holte
- Department of Oncology, Oslo University Hospital, Oslo, Norway
| | - Klaus Beiske
- Department of Pathology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - Panu E Kovanen
- Department of Pathology, University of Helsinki, and HUSLAB, Helsinki University Hospital, Helsinki
| | - Riikka Räty
- Department of Hematology, Helsinki University Hospital Comprehensive Cancer Center and University of Helsinki
| | - Sirpa Leppä
- Applied Tumor Genomics Research Program, Medical Faculty, University of Helsinki, Helsinki, Finland; Department of Oncology, Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland; iCAN Digital Precision Cancer Medicine Flagship, Helsinki.
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38
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Testa U, Leone G, Pelosi E, Castelli G, Hohaus S. CAR-T Cell Therapy in Large B Cell Lymphoma. Mediterr J Hematol Infect Dis 2023; 15:e2023066. [PMID: 38028399 PMCID: PMC10631715 DOI: 10.4084/mjhid.2023.066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 10/16/2023] [Indexed: 12/01/2023] Open
Abstract
Large B-cell lymphomas (LBCLs) are among the most frequent (about 30%) non-Hodgkin's lymphoma. Despite the aggressive behavior of these lymphomas, more than 60% of patients can be cured with first-line chemoimmunotherapy using the R-CHOP regimen. Patients with refractory or relapsing disease show a poor outcome even when treated with second-line therapies. CD19-targeted chimeric antigen receptor (CAR) T-cells are emerging as an efficacious second-line treatment strategy for patients with LBCL. Three CD19-CAR-T-cell products received FDA and EMA approval. CAR-T cell therapy has also been explored for treating high-risk LBCL patients in the first-line setting and for patients with central nervous system involvement. Although CD19-CAR-T therapy has transformed the care of refractory/relapsed LBCL, about 60% of these patients will ultimately progress or relapse following CD19-CAR-T; therefore, it is fundamental to identify predictive criteria of response to CAR-T therapy and to develop salvage therapies for patients relapsing after CD19-CAR-T therapies. Moreover, ongoing clinical trials evaluate bispecific CAR-T cells targeting both CD19 and CD20 or CD19 and CD22 as a tool to improve the therapeutic efficacy and reduce the number of refractory/relapsing patients.
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Affiliation(s)
| | - Giuseppe Leone
- Dipartimento Di Scienze Radiologiche Ed Ematologiche, Università Cattolica Del Sacro Cuore, Roma, Italy
| | | | | | - Stefan Hohaus
- Dipartimento Di Diagnostica per Immagini, Radioterapia Oncologica Ed Ematologia, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma, Italy. Sezione Di Ematologia
- Dipartimento Di Scienze Radiologiche Ed Ematologiche, Università Cattolica Del Sacro Cuore, Roma, Italy
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39
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Jain P, Nomie K, Kotlov N, Segodin V, Hill H, Ok CY, Fetooh A, Kanagal-Shamanna R, Vega F, Bagaev A, Fowler N, Flowers CR, Wang M. Immune-depleted tumor microenvironment is associated with poor outcomes and BTK inhibitor resistance in mantle cell lymphoma. Blood Cancer J 2023; 13:156. [PMID: 37821434 PMCID: PMC10567800 DOI: 10.1038/s41408-023-00927-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 09/08/2023] [Accepted: 09/28/2023] [Indexed: 10/13/2023] Open
Affiliation(s)
- Preetesh Jain
- Department of Lymphoma and Myeloma from The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
| | | | | | | | - Holly Hill
- Department of Lymphoma and Myeloma from The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Chi Young Ok
- Department of Hematopathology at The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Ahmed Fetooh
- Department of Lymphoma and Myeloma from The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Rashmi Kanagal-Shamanna
- Department of Hematopathology at The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Francisco Vega
- Department of Hematopathology at The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | | | - Nathan Fowler
- Department of Lymphoma and Myeloma from The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- BostonGene Corporation, Boston, MA, USA
| | - Christopher R Flowers
- Department of Lymphoma and Myeloma from The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Michael Wang
- Department of Lymphoma and Myeloma from The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
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40
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Zhang MC, Tian S, Fu D, Wang L, Cheng S, Yi HM, Jiang XF, Song Q, Zhao Y, He Y, Li JF, Mu RJ, Fang H, Yu H, Xiong H, Li B, Chen SJ, Xu PP, Zhao WL. Genetic subtype-guided immunochemotherapy in diffuse large B cell lymphoma: The randomized GUIDANCE-01 trial. Cancer Cell 2023; 41:1705-1716.e5. [PMID: 37774697 DOI: 10.1016/j.ccell.2023.09.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 06/25/2023] [Accepted: 09/05/2023] [Indexed: 10/01/2023]
Abstract
We report the results of GUIDANCE-01 (NCT04025593), a randomized, phase II trial of R-CHOP alone or combined with targeted agents (R-CHOP-X) guided by genetic subtyping of newly diagnosed, intermediate-risk, or high-risk diffuse large B cell lymphoma (DLBCL). A total of 128 patients were randomized 1:1 to receive R-CHOP-X or R-CHOP. The study achieved the primary endpoint, showing significantly higher complete response rate with R-CHOP-X than R-CHOP (88% vs. 66%, p = 0.003), with overall response rate of 92% vs. 73% (p = 0.005). Two-year progression-free survival rates were 88% vs. 63% (p < 0.001), and 2-year overall survival rates were 94% vs. 77% (p = 0.001). Meanwhile, post hoc RNA-sequencing validated our simplified genetic subtyping algorithm and previously established lymphoma microenvironment subtypes. Our findings highlight the efficacy and safety of R-CHOP-X, a mechanism-based tailored therapy, which dually targeted genetic and microenvironmental alterations in patients with newly diagnosed DLBCL.
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Affiliation(s)
- Mu-Chen Zhang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shuang Tian
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Di Fu
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Li Wang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China; Pôle de Recherches Sino-Français en Science du Vivant et Génomique, Laboratory of Molecular Pathology, Shanghai, China
| | - Shu Cheng
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hong-Mei Yi
- Department of Pathology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xu-Feng Jiang
- Department of Nuclear Medicine, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qi Song
- Department of Radiology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yan Zhao
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yang He
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jian-Feng Li
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Rong-Ji Mu
- Clinical Research Institute, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hai Fang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hao Yu
- Department of Research and Development, Shanghai Righton Biotechnology Co. Ltd, Shanghai, China
| | - Hui Xiong
- Department of Research and Development, Shanghai Righton Biotechnology Co. Ltd, Shanghai, China
| | - Biao Li
- Department of Nuclear Medicine, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Sai-Juan Chen
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Peng-Peng Xu
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Wei-Li Zhao
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China; Pôle de Recherches Sino-Français en Science du Vivant et Génomique, Laboratory of Molecular Pathology, Shanghai, China.
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41
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Pickard K, Stephenson E, Mitchell A, Jardine L, Bacon CM. Location, location, location: mapping the lymphoma tumor microenvironment using spatial transcriptomics. Front Oncol 2023; 13:1258245. [PMID: 37869076 PMCID: PMC10586500 DOI: 10.3389/fonc.2023.1258245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 09/19/2023] [Indexed: 10/24/2023] Open
Abstract
Lymphomas are a heterogenous group of lymphoid neoplasms with a wide variety of clinical presentations. Response to treatment and prognosis differs both between and within lymphoma subtypes. Improved molecular and genetic profiling has increased our understanding of the factors which drive these clinical dynamics. Immune and non-immune cells within the lymphoma tumor microenvironment (TME) can both play a key role in antitumor immune responses and conversely also support lymphoma growth and survival. A deeper understanding of the lymphoma TME would identify key lymphoma and immune cell interactions which could be disrupted for therapeutic benefit. Single cell RNA sequencing studies have provided a more comprehensive description of the TME, however these studies are limited in that they lack spatial context. Spatial transcriptomics provides a comprehensive analysis of gene expression within tissue and is an attractive technique in lymphoma to both disentangle the complex interactions between lymphoma and TME cells and improve understanding of how lymphoma cells evade the host immune response. This article summarizes current spatial transcriptomic technologies and their use in lymphoma research to date. The resulting data has already enriched our knowledge of the mechanisms and clinical impact of an immunosuppressive TME in lymphoma and the accrual of further studies will provide a fundamental step in the march towards personalized medicine.
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Affiliation(s)
- Keir Pickard
- Biosciences Institute, Newcastle University, Newcastle upon Tyne, United Kingdom
- Haematology Department, Freeman Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom
| | - Emily Stephenson
- Biosciences Institute, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Alex Mitchell
- Haematology Department, Freeman Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom
| | - Laura Jardine
- Biosciences Institute, Newcastle University, Newcastle upon Tyne, United Kingdom
- Haematology Department, Freeman Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom
| | - Chris M. Bacon
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, United Kingdom
- Department of Cellular Pathology, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom
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42
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Wright KT, Weirather JL, Jiang S, Kao KZ, Sigal Y, Giobbie-Hurder A, Shipp MA, Rodig SJ. Diffuse large B-cell lymphomas have spatially defined, tumor immune microenvironments revealed by high-parameter imaging. Blood Adv 2023; 7:4633-4646. [PMID: 37196647 PMCID: PMC10448427 DOI: 10.1182/bloodadvances.2023009813] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 04/27/2023] [Accepted: 05/14/2023] [Indexed: 05/19/2023] Open
Abstract
Diffuse large B-cell lymphoma (DLBCL) not otherwise specified is the most common aggressive non-Hodgkin lymphoma and a biologically heterogeneous disease. Despite the development of effective immunotherapies, the organization of the DLBCL tumor-immune microenvironment (TIME) remains poorly understood.We interrogated the intact TIME of 51 de novo DLBCLs with triplicate sampling to characterize 337 995 tumor and immune cells using a 27-plex antibody panel that captured cell lineage, architectural, and functional markers. We spatially assigned individual cells, identified local cell neighborhoods, and established their topographical organization in situ. We found that the organization of local tumor and immune cells can be modeled by 6 composite cell neighborhood types (CNTs). Differential CNT representation divided cases into 3 aggregate TIME categories: immune-deficient, dendritic cell-enriched (DC-enriched), and macrophage-enriched (Mac-enriched). Cases with immune-deficient TIMEs have tumor cell-rich CNTs, in which the few infiltrating immune cells are enriched near CD31+ vessels, in keeping with limited immune activity. Cases with DC-enriched TIMEs selectively include tumor cell-poor/immune cell-rich CNTs with high numbers of CD11c+ DCs and antigen-experienced T cells also enriched near CD31+ vessels, in keeping with increased immune activity. Cases with Mac-enriched TIMEs selectively include tumor cell-poor/immune cell-rich CNTs with high numbers of CD163+ macrophages and CD8 T cells throughout the microenvironment, accompanied by increased IDO-1 and LAG-3 and decreased HLA-DR expression and genetic signatures in keeping with immune evasion. Our findings reveal that the heterogenous cellular components of DLBCL are not randomly distributed but organized into CNTs that define aggregate TIMEs with distinct cellular, spatial, and functional features.
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Affiliation(s)
- Kyle T. Wright
- Department of Pathology, Brigham and Women’s Hospital, Boston, MA
- Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Jason L. Weirather
- Department of Data Science, Dana-Farber Cancer Institute, Boston, MA
- Center for Immuno-oncology, Dana-Farber Cancer Institute, Boston, MA
| | - Sizun Jiang
- Department of Microbiology and Immunology, Stanford University, Palo Alto, CA
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, MA
| | - Katrina Z. Kao
- Center for Immuno-oncology, Dana-Farber Cancer Institute, Boston, MA
| | | | | | - Margaret A. Shipp
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA
| | - Scott J. Rodig
- Department of Pathology, Brigham and Women’s Hospital, Boston, MA
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43
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Lee H, Yoon SE, Kim SJ, Kim WS, Cho J. A unique expression pattern of LAG3 distinct from that of other immune checkpoints in diffuse large B-cell lymphoma. Cancer Med 2023; 12:16359-16369. [PMID: 37326144 PMCID: PMC10469648 DOI: 10.1002/cam4.6268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 05/04/2023] [Accepted: 06/07/2023] [Indexed: 06/17/2023] Open
Abstract
BACKGROUND Although some patients with diffuse large B-cell lymphoma (DLBCL) show a response to immunotherapy, there are still many who do not respond. This suggests that various immune checkpoints are complicatedly intertwined in the composition of the tumor microenvironment of DLBCL. PATIENTS AND METHODS To comprehensively understand the expression of various immune checkpoint genes in DLBCL, we performed NanoString assay in 98 patients to investigate 579 genes. In addition, we performed immunohistochemistry for LAG-3 and PD-L1 to compare the results with expression in NanoString assay. RESULTS As a result of hierarchical clustering of NanoString assay, 98 DLBCLs were classified into three tumor immune microenvironment clusters. Most immune checkpoint genes showed the highest expression in cluster A and the lowest in cluster C. However, the expression of LAG3 was the highest in cluster C and the lowest in cluster A, showing an expression pattern opposite to that of other immune checkpoint genes. In Cluster A, the expression of genes related to T-cell activity such as CD8A and GZMB was increased. In Cluster C, the expression of genes related to major histocompatibility complex molecules was the highest. Immunohistochemical stains showed modest agreement with the NanoString results but did not help clustering. CONCLUSION Our results show that the unique expression pattern of LAG3 in DLBCL contrasts with that of other immune checkpoints. We suggest that the combination of anti-PD-1/PD-L1 and anti-LAG-3 blockades in the immunotherapy of DLBCL patients can have a synergistic effect, improving the immunotherapy efficacy and outcome in DLBCL patients.
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Affiliation(s)
- Hyunjee Lee
- Department of PathologySamsung Medical Center, Sungkyunkwan University School of MedicineSeoulSouth Korea
| | - Sang Eun Yoon
- Division of Hematology and Oncology, Department of MedicineSamsung Medical Center, Sungkyunkwan University School of MedicineSeoulSouth Korea
| | - Seok Jin Kim
- Division of Hematology and Oncology, Department of MedicineSamsung Medical Center, Sungkyunkwan University School of MedicineSeoulSouth Korea
| | - Won Seog Kim
- Division of Hematology and Oncology, Department of MedicineSamsung Medical Center, Sungkyunkwan University School of MedicineSeoulSouth Korea
| | - Junhun Cho
- Department of PathologySamsung Medical Center, Sungkyunkwan University School of MedicineSeoulSouth Korea
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44
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Apollonio B, Spada F, Petrov N, Cozzetto D, Papazoglou D, Jarvis P, Kannambath S, Terranova-Barberio M, Amini RM, Enblad G, Graham C, Benjamin R, Phillips E, Ellis R, Nuamah R, Saqi M, Calado DP, Rosenquist R, Sutton LA, Salisbury J, Zacharioudakis G, Vardi A, Hagner PR, Gandhi AK, Bacac M, Claus C, Umana P, Jarrett RF, Klein C, Deutsch A, Ramsay AG. Tumor-activated lymph node fibroblasts suppress T cell function in diffuse large B cell lymphoma. J Clin Invest 2023; 133:e166070. [PMID: 37219943 PMCID: PMC10313378 DOI: 10.1172/jci166070] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 05/09/2023] [Indexed: 05/24/2023] Open
Abstract
Recent transcriptomic-based analysis of diffuse large B cell lymphoma (DLBCL) has highlighted the clinical relevance of LN fibroblast and tumor-infiltrating lymphocyte (TIL) signatures within the tumor microenvironment (TME). However, the immunomodulatory role of fibroblasts in lymphoma remains unclear. Here, by studying human and mouse DLBCL-LNs, we identified the presence of an aberrantly remodeled fibroblastic reticular cell (FRC) network expressing elevated fibroblast-activated protein (FAP). RNA-Seq analyses revealed that exposure to DLBCL reprogrammed key immunoregulatory pathways in FRCs, including a switch from homeostatic to inflammatory chemokine expression and elevated antigen-presentation molecules. Functional assays showed that DLBCL-activated FRCs (DLBCL-FRCs) hindered optimal TIL and chimeric antigen receptor (CAR) T cell migration. Moreover, DLBCL-FRCs inhibited CD8+ TIL cytotoxicity in an antigen-specific manner. Notably, the interrogation of patient LNs with imaging mass cytometry identified distinct environments differing in their CD8+ TIL-FRC composition and spatial organization that associated with survival outcomes. We further demonstrated the potential to target inhibitory FRCs to rejuvenate interacting TILs. Cotreating organotypic cultures with FAP-targeted immunostimulatory drugs and a bispecific antibody (glofitamab) augmented antilymphoma TIL cytotoxicity. Our study reveals an immunosuppressive role of FRCs in DLBCL, with implications for immune evasion, disease pathogenesis, and optimizing immunotherapy for patients.
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Affiliation(s)
- Benedetta Apollonio
- School of Cancer and Pharmaceutical Sciences, Faculty of Life Sciences & Medicine, King’s College London, London, United Kingdom
| | | | | | - Domenico Cozzetto
- BRC Translational Bioinformatics at Guy’s and St. Thomas’s NHS Foundation Trust and King’s College London, London, United Kingdom
- Division of Digestive Diseases, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Despoina Papazoglou
- School of Cancer and Pharmaceutical Sciences, Faculty of Life Sciences & Medicine, King’s College London, London, United Kingdom
| | - Peter Jarvis
- 5th Surgical Department, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Shichina Kannambath
- BRC Genomics Research Platform at Guy’s and St. Thomas’s NHS Foundation Trust and King’s College London, London, United Kingdom
| | | | - Rose-Marie Amini
- Department of Immunology, Genetics and Pathology, Uppsala University and Hospital, Uppsala, Sweden
| | - Gunilla Enblad
- Department of Immunology, Genetics and Pathology, Uppsala University and Hospital, Uppsala, Sweden
| | - Charlotte Graham
- School of Cancer and Pharmaceutical Sciences, Faculty of Life Sciences & Medicine, King’s College London, London, United Kingdom
| | - Reuben Benjamin
- School of Cancer and Pharmaceutical Sciences, Faculty of Life Sciences & Medicine, King’s College London, London, United Kingdom
| | - Elisabeth Phillips
- School of Cancer and Pharmaceutical Sciences, Faculty of Life Sciences & Medicine, King’s College London, London, United Kingdom
| | | | - Rosamond Nuamah
- BRC Genomics Research Platform at Guy’s and St. Thomas’s NHS Foundation Trust and King’s College London, London, United Kingdom
| | - Mansoor Saqi
- BRC Translational Bioinformatics at Guy’s and St. Thomas’s NHS Foundation Trust and King’s College London, London, United Kingdom
| | - Dinis P. Calado
- Immunity & Cancer Laboratory, Francis Crick Institute, London, United Kingdom
| | - Richard Rosenquist
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Lesley A. Sutton
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Jon Salisbury
- Department of Haematology, King’s College Hospital NHS Foundation Trust, London, United Kingdom
| | | | - Anna Vardi
- Hematology Department and HCT Unit, G. Papanikolaou Hospital, Thessaloniki, Greece
| | | | | | - Marina Bacac
- Roche Innovation Center Zurich, Schlieren, Switzerland
| | | | - Pablo Umana
- Roche Innovation Center Zurich, Schlieren, Switzerland
| | - Ruth F. Jarrett
- MRC–University of Glasgow Centre for Virus Research, Glasgow, United Kingdom
| | | | | | - Alan G. Ramsay
- School of Cancer and Pharmaceutical Sciences, Faculty of Life Sciences & Medicine, King’s College London, London, United Kingdom
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45
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Wenzl K, Stokes M, Novak JP, Bock AM, Khan S, Hopper MA, Krull JE, Dropik AR, Walker JS, Sarangi V, Mwangi R, Ortiz M, Stong N, Huang CC, Maurer MJ, Rimsza L, Link BK, Slager SL, Asmann Y, Mondello P, Morin R, Ansell SM, Habermann TM, Feldman AL, King RL, Nowakowski G, Cerhan JR, Gandhi AK, Novak AJ. Multiomic Analysis Identifies a High-Risk Metabolic and TME Depleted Signature that Predicts Early Clinical Failure in DLBCL. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.06.07.23290748. [PMID: 37333387 PMCID: PMC10274962 DOI: 10.1101/2023.06.07.23290748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2023]
Abstract
PURPOSE 60-70% of newly diagnosed diffuse large B-cell lymphoma (DLBCL) patients avoid events within 24 months of diagnosis (EFS24) and the remainder have poor outcomes. Recent genetic and molecular classification of DLBCL has advanced our knowledge of disease biology, yet were not designed to predict early events and guide anticipatory selection of novel therapies. To address this unmet need, we used an integrative multiomic approach to identify a signature at diagnosis that will identify DLBCL at high risk of early clinical failure. PATIENTS AND METHODS Tumor biopsies from 444 newly diagnosed DLBCL were analyzed by WES and RNAseq. A combination of weighted gene correlation network analysis and differential gene expression analysis followed by integration with clinical and genomic data was used to identify a multiomic signature associated with high risk of early clinical failure. RESULTS Current DLBCL classifiers are unable to discriminate cases who fail EFS24. We identified a high risk RNA signature that had a hazard ratio (HR, 18.46 [95% CI 6.51-52.31] P < .001) in a univariate model, which did not attenuate after adjustment for age, IPI and COO (HR, 20.8 [95% CI, 7.14-61.09] P < .001). Further analysis revealed the signature was associated with metabolic reprogramming and a depleted immune microenvironment. Finally, WES data was integrated into the signature and we found that inclusion of ARID1A mutations resulted in identification of 45% of cases with an early clinical failure which was validated in external DLBCL cohorts. CONCLUSION This novel and integrative approach is the first to identify a signature at diagnosis that will identify DLBCL at high risk for early clinical failure and may have significant implications for design of therapeutic options.
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46
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Donati G, Nicoli P, Verrecchia A, Vallelonga V, Croci O, Rodighiero S, Audano M, Cassina L, Ghsein A, Binelli G, Boletta A, Mitro N, Amati B. Oxidative stress enhances the therapeutic action of a respiratory inhibitor in MYC-driven lymphoma. EMBO Mol Med 2023:e16910. [PMID: 37158102 DOI: 10.15252/emmm.202216910] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 04/13/2023] [Accepted: 04/21/2023] [Indexed: 05/10/2023] Open
Abstract
MYC is a key oncogenic driver in multiple tumor types, but concomitantly endows cancer cells with a series of vulnerabilities that provide opportunities for targeted pharmacological intervention. For example, drugs that suppress mitochondrial respiration selectively kill MYC-overexpressing cells. Here, we unravel the mechanistic basis for this synthetic lethal interaction and exploit it to improve the anticancer effects of the respiratory complex I inhibitor IACS-010759. In a B-lymphoid cell line, ectopic MYC activity and treatment with IACS-010759 added up to induce oxidative stress, with consequent depletion of reduced glutathione and lethal disruption of redox homeostasis. This effect could be enhanced either with inhibitors of NADPH production through the pentose phosphate pathway, or with ascorbate (vitamin C), known to act as a pro-oxidant at high doses. In these conditions, ascorbate synergized with IACS-010759 to kill MYC-overexpressing cells in vitro and reinforced its therapeutic action against human B-cell lymphoma xenografts. Hence, complex I inhibition and high-dose ascorbate might improve the outcome of patients affected by high-grade lymphomas and potentially other MYC-driven cancers.
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Affiliation(s)
- Giulio Donati
- European Institute of Oncology (IEO) - IRCCS, Milan, Italy
| | - Paola Nicoli
- European Institute of Oncology (IEO) - IRCCS, Milan, Italy
| | | | | | - Ottavio Croci
- Center for Genomic Science of IIT@SEMM, Milan, Italy
| | | | - Matteo Audano
- DiSFeB, Dipartimento di Scienze Farmacologiche e Biomolecolari, Università degli Studi di Milano, Milan, Italy
| | - Laura Cassina
- IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Aya Ghsein
- European Institute of Oncology (IEO) - IRCCS, Milan, Italy
| | - Giorgio Binelli
- Dipartimento di Biotecnologie e Scienze della Vita, Università dell'Insubria, Varese, Italy
| | | | - Nico Mitro
- European Institute of Oncology (IEO) - IRCCS, Milan, Italy
- DiSFeB, Dipartimento di Scienze Farmacologiche e Biomolecolari, Università degli Studi di Milano, Milan, Italy
| | - Bruno Amati
- European Institute of Oncology (IEO) - IRCCS, Milan, Italy
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47
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Ruan J, Moskowitz A, Mehta-Shah N, Sokol L, Chen Z, Kotlov N, Nos G, Sorokina M, Maksimov V, Sboner A, Sigouros M, van Besien K, Horwitz S, Rutherford SC, Mulvey E, Revuelta MV, Xiang J, Alonso A, Melnick A, Elemento O, Inghirami G, Leonard JP, Cerchietti L, Martin P. Multicenter phase 2 study of oral azacitidine (CC-486) plus CHOP as initial treatment for PTCL. Blood 2023; 141:2194-2205. [PMID: 36796016 PMCID: PMC10356559 DOI: 10.1182/blood.2022018254] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 01/25/2023] [Accepted: 02/03/2023] [Indexed: 02/18/2023] Open
Abstract
Peripheral T-cell lymphomas (PTCL) with T-follicular helper phenotype (PTCL-TFH) has recurrent mutations affecting epigenetic regulators, which may contribute to aberrant DNA methylation and chemoresistance. This phase 2 study evaluated oral azacitidine (CC-486) plus cyclophosphamide, doxorubicin, vincristine, and prednisone (CHOP) as initial treatment for PTCL. CC-486 at 300 mg daily was administered for 7 days before C1 of CHOP, and for 14 days before CHOP C2-6. The primary end point was end-of-treatment complete response (CR). Secondary end points included safety and survival. Correlative studies assessed mutations, gene expression, and methylation in tumor samples. Grade 3 to 4 hematologic toxicities were mostly neutropenia (71%), with febrile neutropenia uncommon (14%). Nonhematologic toxicities included fatigue (14%) and gastrointestinal symptoms (5%). In 20 evaluable patients, CR was 75%, including 88.2% for PTCL-TFH (n = 17). The 2-year progression-free survival (PFS) was 65.8% for all and 69.2% for PTCL-TFH, whereas 2-year overall survival (OS) was 68.4% for all and 76.1% for PTCL-TFH. The frequencies of the TET2, RHOA, DNMT3A, and IDH2 mutations were 76.5%, 41.1%, 23.5%, and 23.5%, respectively, with TET2 mutations significantly associated with CR (P = .007), favorable PFS (P = .004) and OS (P = .015), and DNMT3A mutations associated with adverse PFS (P = .016). CC-486 priming contributed to the reprograming of the tumor microenvironment by upregulation of genes related to apoptosis (P < .01) and inflammation (P < .01). DNA methylation did not show significant shift. This safe and active regimen is being further evaluated in the ALLIANCE randomized study A051902 in CD30-negative PTCL. This trial was registered at www.clinicaltrials.gov as #NCT03542266.
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Affiliation(s)
- Jia Ruan
- Meyer Cancer Center, Weill Cornell Medicine and New York Presbyterian Hospital, New York, NY
| | | | | | | | - Zhengming Chen
- Meyer Cancer Center, Weill Cornell Medicine and New York Presbyterian Hospital, New York, NY
| | | | | | | | | | - Andrea Sboner
- Meyer Cancer Center, Weill Cornell Medicine and New York Presbyterian Hospital, New York, NY
| | - Michael Sigouros
- Meyer Cancer Center, Weill Cornell Medicine and New York Presbyterian Hospital, New York, NY
| | - Koen van Besien
- Meyer Cancer Center, Weill Cornell Medicine and New York Presbyterian Hospital, New York, NY
| | | | - Sarah C. Rutherford
- Meyer Cancer Center, Weill Cornell Medicine and New York Presbyterian Hospital, New York, NY
| | - Erin Mulvey
- Meyer Cancer Center, Weill Cornell Medicine and New York Presbyterian Hospital, New York, NY
| | - Maria V. Revuelta
- Meyer Cancer Center, Weill Cornell Medicine and New York Presbyterian Hospital, New York, NY
| | - Jenny Xiang
- Meyer Cancer Center, Weill Cornell Medicine and New York Presbyterian Hospital, New York, NY
| | - Alicia Alonso
- Meyer Cancer Center, Weill Cornell Medicine and New York Presbyterian Hospital, New York, NY
| | - Ari Melnick
- Meyer Cancer Center, Weill Cornell Medicine and New York Presbyterian Hospital, New York, NY
| | - Olivier Elemento
- Meyer Cancer Center, Weill Cornell Medicine and New York Presbyterian Hospital, New York, NY
| | - Giorgio Inghirami
- Meyer Cancer Center, Weill Cornell Medicine and New York Presbyterian Hospital, New York, NY
| | - John P. Leonard
- Meyer Cancer Center, Weill Cornell Medicine and New York Presbyterian Hospital, New York, NY
| | - Leandro Cerchietti
- Meyer Cancer Center, Weill Cornell Medicine and New York Presbyterian Hospital, New York, NY
| | - Peter Martin
- Meyer Cancer Center, Weill Cornell Medicine and New York Presbyterian Hospital, New York, NY
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48
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Sahashi S, Shimada K, Takagi Y, Aoki T, Kunou S, Sakamoto A, Murase A, Furukawa K, Kagaya Y, Yamaga Y, Takai M, Tokuyama K, Shimada S, Nakamura S, Kiyoi H. Clinicopathological characteristics associated with the engraftment of patient lymphoma cells in NOG mice. Int J Hematol 2023:10.1007/s12185-023-03604-z. [PMID: 37129802 DOI: 10.1007/s12185-023-03604-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 04/14/2023] [Accepted: 04/16/2023] [Indexed: 05/03/2023]
Abstract
Patient-derived xenograft (PDX) mouse models are useful for deepening our understanding of the biology of malignant lymphoma; however, factors associated with the success of the PDX lymphoma model are largely unknown. We retrospectively analyzed the characteristics of 66 xenotransplantations from 65 patients. In all, 43 (65%) specimens were obtained from patients aged > 60 years, and 42 (64%) specimens were obtained at diagnosis. Specimens were obtained from patients with the following diseases: diffuse large B-cell lymphoma (n = 30), intravascular large B-cell lymphoma (n = 12), follicular lymphoma (n = 8), peripheral T-cell lymphoma (n = 7), mantle cell lymphoma (n = 2), and other (n = 7). The specimens were sourced mainly from bone marrow (n = 31, 47%) and extranodal tumors (n = 13, 20%). Engraftment was successful in 33/66 (50%) xenotransplantations. The median age of patients who provided successful specimens was significantly higher than that for unsuccessful specimens (p = 0.013). Specimens with a high proportion of tumor cells in the graft and those obtained from patients with relapsed/refractory disease showed higher tendencies toward successful engraftment. Taken together, these data suggest that tumor cells with a highly malignant potential might have a high likelihood of engraftment.
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Affiliation(s)
- Satomi Sahashi
- Department of Hematology and Oncology, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan
| | - Kazuyuki Shimada
- Department of Hematology and Oncology, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan.
| | - Yusuke Takagi
- Department of Hematology and Oncology, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan
| | - Tomohiro Aoki
- Department of Hematology and Oncology, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan
| | - Shunsuke Kunou
- Department of Hematology and Oncology, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan
| | - Akihiko Sakamoto
- Department of Hematology and Oncology, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan
| | - Atsushi Murase
- Department of Hematology and Oncology, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan
| | - Katsuya Furukawa
- Department of Hematology and Oncology, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan
| | - Yusuke Kagaya
- Department of Hematology and Oncology, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan
| | - Yusuke Yamaga
- Department of Hematology and Oncology, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan
| | - Mika Takai
- Department of Hematology and Oncology, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan
| | - Kiyonobu Tokuyama
- Department of Hematology and Oncology, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan
| | - Satoko Shimada
- Department of Pathology and Clinical Laboratories, Nagoya University Hospital, Nagoya, Aichi, Japan
| | - Shigeo Nakamura
- Department of Pathology and Clinical Laboratories, Nagoya University Hospital, Nagoya, Aichi, Japan
| | - Hitoshi Kiyoi
- Department of Hematology and Oncology, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan
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O'Neill TJ, Tofaute MJ, Krappmann D. Function and targeting of MALT1 paracaspase in cancer. Cancer Treat Rev 2023; 117:102568. [PMID: 37126937 DOI: 10.1016/j.ctrv.2023.102568] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/18/2023] [Accepted: 04/21/2023] [Indexed: 05/03/2023]
Abstract
The paracaspase MALT1 has emerged as a key regulator of immune signaling, which also promotes tumor development by both cancer cell-intrinsic and -extrinsic mechanisms. As an integral subunit of the CARD11-BCL10-MALT1 (CBM) signaling complex, MALT1 has an intriguing dual function in lymphocytes. MALT1 acts as a scaffolding protein to drive activation of NF-κB transcription factors and as a protease to modulate signaling and immune activation by cleavage of distinct substrates. Aberrant MALT1 activity is critical for NF-κB-dependent survival and proliferation of malignant cancer cells, which is fostered by paracaspase-catalyzed inactivation of negative regulators of the canonical NF-κB pathway like A20, CYLD and RelB. Specifically, B cell receptor-addicted lymphomas rely strongly on this cancer cell-intrinsic MALT1 protease function, but also survival, proliferation and metastasis of certain solid cancers is sensitive to MALT1 inhibition. Beyond this, MALT1 protease exercises a cancer cell-extrinsic role by maintaining the immune-suppressive function of regulatory T (Treg) cells in the tumor microenvironment (TME). MALT1 inhibition is able to convert immune-suppressive to pro-inflammatory Treg cells in the TME of solid cancers, thereby eliciting a robust anti-tumor immunity that can augment the effects of checkpoint inhibitors. Therefore, the cancer cell-intrinsic and -extrinsic tumor promoting MALT1 protease functions offer unique therapeutic opportunities, which has motivated the development of potent and selective MALT1 inhibitors currently under pre-clinical and clinical evaluation.
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Affiliation(s)
- Thomas J O'Neill
- Research Unit Signaling and Translation, Group Signaling and Immunity, Molecular Targets and Therapeutics Center, Helmholtz Zentrum München - German Research Center for Environmental Health, Neuherberg, Germany
| | - Marie J Tofaute
- Research Unit Signaling and Translation, Group Signaling and Immunity, Molecular Targets and Therapeutics Center, Helmholtz Zentrum München - German Research Center for Environmental Health, Neuherberg, Germany
| | - Daniel Krappmann
- Research Unit Signaling and Translation, Group Signaling and Immunity, Molecular Targets and Therapeutics Center, Helmholtz Zentrum München - German Research Center for Environmental Health, Neuherberg, Germany.
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50
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Aoki T, Steidl C. Novel insights into Hodgkin lymphoma biology by single-cell analysis. Blood 2023; 141:1791-1801. [PMID: 36548960 PMCID: PMC10646771 DOI: 10.1182/blood.2022017147] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 12/15/2022] [Accepted: 12/21/2022] [Indexed: 12/24/2022] Open
Abstract
The emergence and rapid development of single-cell technologies mark a paradigm shift in cancer research. Various technology implementations represent powerful tools to understand cellular heterogeneity, identify minor cell populations that were previously hard to detect and define, and make inferences about cell-to-cell interactions at single-cell resolution. Applied to lymphoma, recent advances in single-cell RNA sequencing have broadened opportunities to delineate previously underappreciated heterogeneity of malignant cell differentiation states and presumed cell of origin, and to describe the composition and cellular subsets in the ecosystem of the tumor microenvironment (TME). Clinical deployment of an expanding armamentarium of immunotherapy options that rely on targets and immune cell interactions in the TME emphasizes the requirement for a deeper understanding of immune biology in lymphoma. In particular, classic Hodgkin lymphoma (CHL) can serve as a study paradigm because of its unique TME, featuring infrequent tumor cells among numerous nonmalignant immune cells with significant interpatient and intrapatient variability. Synergistic to advances in single-cell sequencing, multiplexed imaging techniques have added a new dimension to describing cellular cross talk in various lymphoma entities. Here, we comprehensively review recent progress using novel single-cell technologies with an emphasis on the TME biology of CHL as an application field. The described technologies, which are applicable to peripheral blood, fresh tissues, and formalin-fixed samples, hold the promise to accelerate biomarker discovery for novel immunotherapeutic approaches and to serve as future assay platforms for biomarker-informed treatment selection, including immunotherapies.
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Affiliation(s)
- Tomohiro Aoki
- Centre for Lymphoid Cancer, British Columbia Cancer, Vancouver, BC, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Christian Steidl
- Centre for Lymphoid Cancer, British Columbia Cancer, Vancouver, BC, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
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