1
|
Kato S, Hamada M, Okamoto A, Yamashita D, Miyoshi H, Arai H, Satou A, Gion Y, Sato Y, Tsuyuki Y, Miyata-Takata T, Takata K, Asano N, Takahashi E, Ohshima K, Tomita A, Hosoda W, Nakamura S, Okuno Y. EBV+ nodal T/NK-cell lymphoma associated with clonal hematopoiesis and structural variations of the viral genome. Blood Adv 2024; 8:2138-2147. [PMID: 38429084 PMCID: PMC11068532 DOI: 10.1182/bloodadvances.2023012019] [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: 10/30/2023] [Revised: 01/23/2024] [Accepted: 01/30/2024] [Indexed: 03/03/2024] Open
Abstract
ABSTRACT Epstein-Barr virus (EBV)-positive (EBV+) nodal T- and natural killer (NK)-cell lymphoma is a peripheral T-cell lymphoma (EBV+ nPTCL) that presents as a primary nodal disease with T-cell phenotype and EBV-harboring tumor cells. To date, the genetic aspect of EBV+ nPTCL has not been fully investigated. In this study, whole-exome and/or whole-genome sequencing was performed on 22 cases of EBV+ nPTCL. TET2 (68%) and DNMT3A (32%) were observed to be the most frequently mutated genes whose presence was associated with poor overall survival (P = .004). The RHOA p.Gly17Val mutation was identified in 2 patients who had TET2 and/or DNMT3A mutations. In 4 patients with TET2/DNMT3A alterations, blood cell-rich tissues (the bone marrow [BM] or spleen) were available as paired normal samples. Of 4 cases, 3 had at least 1 identical TET2/DNMT3A mutation in the BM or spleen. Additionally, the whole part of the EBV genome was sequenced and structural variations (SVs) were found frequent among the EBV genomes (63%). The most frequently identified type of SV was deletion. In 1 patient, 4 pieces of human chromosome 9, including programmed death-ligand 1 gene (PD-L1) were identified to be tandemly incorporated into the EBV genome. The 3' untranslated region of PD-L1 was truncated, causing a high-level of PD-L1 protein expression. Overall, the frequent TET2 and DNMT3A mutations in EBV+ nPTCL seem to be closely associated with clonal hematopoiesis and, together with the EBV genome deletions, may contribute to the pathogenesis of this intractable lymphoma.
Collapse
Affiliation(s)
- Seiichi Kato
- Department of Pathology and Molecular Diagnostics, Aichi Cancer Center Hospital, Nagoya, Japan
- Center for Clinical Pathology, Fujita Health University Hospital, Toyoake, Japan
| | - Motoharu Hamada
- Department of Virology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Akinao Okamoto
- Department of Hematology, Fujita Health University School of Medicine, Toyoake, Japan
| | - Daisuke Yamashita
- Department of Pathology, Kobe City Hospital Organization Kobe City Medical Center General Hospital, Kobe, Japan
| | - Hiroaki Miyoshi
- Department of Pathology, School of Medicine, Kurume University, Kurume, Japan
| | - Haruto Arai
- Department of Virology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Akira Satou
- Department of Surgical Pathology, Aichi Medical University Hospital, Nagakute, Japan
| | - Yuka Gion
- Department of Molecular Hematopathology, Okayama University Graduate School of Health Sciences, Okayama, Japan
- Department of Medical Technology, Faculty of Health Sciences, Ehime Prefectural University of Health Sciences, Iyo, Japan
| | - Yasuharu Sato
- Department of Molecular Hematopathology, Okayama University Graduate School of Health Sciences, Okayama, Japan
- Department of Pathology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Yuta Tsuyuki
- Center for Clinical Pathology, Fujita Health University Hospital, Toyoake, Japan
- Department of Pathology and Laboratory Medicine, Nagoya University Hospital, Nagoya, Japan
| | - Tomoko Miyata-Takata
- Division of Molecular and Cellular Pathology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Katsuyoshi Takata
- Division of Molecular and Cellular Pathology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Naoko Asano
- Department of Clinical Laboratory, Nagano Prefectural Suzaka Hospital, Suzaka, Japan
| | - Emiko Takahashi
- Department of Surgical Pathology, Aichi Medical University Hospital, Nagakute, Japan
| | - Koichi Ohshima
- Department of Pathology, School of Medicine, Kurume University, Kurume, Japan
| | - Akihiro Tomita
- Department of Hematology, Fujita Health University School of Medicine, Toyoake, Japan
| | - Waki Hosoda
- Department of Pathology and Molecular Diagnostics, Aichi Cancer Center Hospital, Nagoya, Japan
| | - Shigeo Nakamura
- Department of Pathology and Laboratory Medicine, Nagoya University Hospital, Nagoya, Japan
| | - Yusuke Okuno
- Department of Virology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| |
Collapse
|
2
|
Wada F, Kamijo K, Shimomura Y, Yamashita D, Hara S, Ishikawa T. PD-1 expression on tumour-infiltrating cells is a prognostic factor for relapsed or refractory diffuse large B-cell lymphoma. Immunology 2024; 171:224-234. [PMID: 37904615 DOI: 10.1111/imm.13711] [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: 04/18/2022] [Accepted: 10/09/2023] [Indexed: 11/01/2023] Open
Abstract
BACKGROUND The tumour microenvironment (TME), which is modulated after immune-chemotherapy, is involved in tumour growth and metastasis. Programmed cell death 1 (PD-1) expressed on tumour-infiltrating non-malignant cells plays an important role in the TME through the PD-1/programmed cell death ligand 1 (PD-L1) signalling pathway. However, its impact in patients with relapsed or refractory (R/R) diffuse large B-cell lymphoma (DLBCL) remains unclear. METHODS We conducted a retrospective study using tissue samples at relapse for patients with R/R DLBCL (n = 45) and evaluated the clinical impact of PD-1 expression on tumour-infiltrating non-malignant cells (microenvironmental PD-1, mPD-1). In addition, corresponding 27 samples at diagnosis were analysed to evaluate the changes in PD-1/PD-L1 expression in the TME after chemotherapy. RESULTS Patients with mPD-1+ DLBCL showed significantly better overall survival compared with patients with mPD-1- DLBCL (hazard ratio, 0.30, p = 0.03). Among patients with mPD-1- DLBCL, those positive for neoplastic or microenvironmental PD-L1 (nPD-L1+ or mPD-L1+ ) showed significantly worse outcomes. Microenvironmental PD-1 and PD-L1 expression has high correlation at relapse, although none was found at diagnosis. CONCLUSION We determined the clinical impact of microenvironmental PD-1 expression and its relationship with neoplastic or microenvironmental expression of PD-L1 in patients with R/R DLBCL. The expression of PD-1 and PD-L1 in the TME dramatically changes during the chemotherapy. Therefore, evaluating TME at relapse, not at diagnosis is useful to predict the outcomes of R/R DLBCL patients.
Collapse
Affiliation(s)
- Fumiya Wada
- Department of Hematology, Kobe City Medical Center General Hospital, Kobe, Japan
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kimimori Kamijo
- Department of Hematology, Kobe City Medical Center General Hospital, Kobe, Japan
| | - Yoshimitsu Shimomura
- Department of Hematology, Kobe City Medical Center General Hospital, Kobe, Japan
- Department of Environmental Medicine and Population Science, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Daisuke Yamashita
- Department of Pathology, Kobe City Medical Center General Hospital, Kobe, Japan
| | - Shigeo Hara
- Department of Pathology, Kobe City Medical Center General Hospital, Kobe, Japan
| | - Takayuki Ishikawa
- Department of Hematology, Kobe City Medical Center General Hospital, Kobe, Japan
| |
Collapse
|
3
|
Enhanced PD-L1 Expression in LMP1-positive Cells of Epstein-Barr Virus-associated Malignant Lymphomas and Lymphoproliferative Disorders: A Single-cell Resolution Analysis With Multiplex Fluorescence Immunohistochemistry and In Situ Hybridization. Am J Surg Pathol 2022; 46:1386-1396. [PMID: 35605962 DOI: 10.1097/pas.0000000000001919] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Epstein-Barr virus (EBV) is associated with various types of human malignancies and with programmed death ligand (PD-L) 1 expression in neoplastic cells. However, in EBV-associated malignant lymphomas and lymphoproliferative disorders (LPDs), there is limited information regarding PD-L1 expression profiles among different histologic types and patterns of EBV latency. First, we investigated PD-L1 and EBV latent gene expression using conventional immunohistochemistry and in situ hybridization in 42 EBV-associated malignant lymphomas and LPDs. Classic Hodgkin lymphoma showed the highest PD-L1 expression with diffuse expression in all cases, followed by diffuse large B-cell lymphoma/Burkitt lymphoma, LPDs, and extranodal NK/T-cell lymphoma. EBV latency at the case level was not associated with PD-L1 expression. We further evaluated the expression of PD-L1 and EBV latent genes in tumor cells at single-cell resolution using multiplex fluorescence imaging. This analysis revealed that positivity rates of latent membrane protein (LMP) 1 in tumor cells were 1.0% to 89.5% (mean 35.4%) in latency type II/III cases, and LMP1+ cells showed more frequent PD-L1 expression than LMP1- cells (P<0.0001, paired t test). In contrast, no association was observed between EBV nuclear antigen 2 and PD-L1 expression. Notably, tumor cells exhibiting Hodgkin/Reed-Sternberg cell-like morphology co-expressed PD-L1 and LMP1 more often than those that do not. Our observations suggested that LMP1 upregulates PD-L1 expression and is a potential biomarker for predicting the efficacy of immune checkpoint inhibitors. In addition, the heterogeneous expression of PD-L1 and EBV latent genes may produce diverse tumor cells with different oncogenic and immune-evasive properties, leading to resistance to targeted therapies.
Collapse
|
4
|
Takahara T, Ishikawa E, Suzuki Y, Kogure Y, Sato A, Kataoka K, Nakamura S. PD-L1-expressing extranodal diffuse large B-cell lymphoma, NOS with and without PD-L1 3'-UTR structural variations. J Clin Exp Hematop 2022; 62:106-113. [PMID: 35474033 PMCID: PMC9353849 DOI: 10.3960/jslrt.21028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Immune evasion mediated by PD-L1 plays an important role in the development of B-cell malignancies. However, PD-L1 expression is infrequently observed in tumor cells of extranodal diffuse large B-cell lymphoma, not otherwise specified (DLBCL, NOS). Other than copy number alterations, PD-L1 is aberrantly upregulated by structural variations in the 3′-UTR of PD-L1. We report four cases with PD-L1 expression on tumor cells, including two with structural variations in the 3′-UTR of PD-L1 and two without. Our report demonstrates the presence of a small number of “immune evasion-type” extranodal DLBCL, NOS cases.
Collapse
Affiliation(s)
- Taishi Takahara
- Department of Surgical Pathology, Aichi Medical University Hospital, Nagakute, Japan
| | - Eri Ishikawa
- Department of Gastroenterology and Hepatology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yuka Suzuki
- Department of Pathology and Laboratory Medicine, Nagoya University Hospital, Nagoya, Japan
| | - Yasunori Kogure
- Division of Molecular Oncology, National Cancer Center Research Institute, Tokyo, Japan
| | - Akira Sato
- Department of Surgical Pathology, Aichi Medical University Hospital, Nagakute, Japan
| | - Keisuke Kataoka
- Division of Molecular Oncology, National Cancer Center Research Institute, Tokyo, Japan
| | - Shigeo Nakamura
- Department of Pathology and Laboratory Medicine, Nagoya University Hospital, Nagoya, Japan
| |
Collapse
|