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Paillassa J, Maitre E, Belarbi Boudjerra N, Madani A, Benlakhal R, Matthes T, Van Den Neste E, Cailly L, Inchiappa L, Bekadja MA, Tomowiak C, Troussard X. Recommendations for the Management of Patients with Hairy-Cell Leukemia and Hairy-Cell Leukemia-like Disorders: A Work by French-Speaking Experts and French Innovative Leukemia Organization (FILO) Group. Cancers (Basel) 2024; 16:2185. [PMID: 38927891 PMCID: PMC11201647 DOI: 10.3390/cancers16122185] [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: 04/15/2024] [Revised: 05/28/2024] [Accepted: 05/29/2024] [Indexed: 06/28/2024] Open
Abstract
INTRODUCTION Hairy-cell leukemia (HCL) is a rare B-cell chronic lymphoproliferative disorder (B-CLPD), whose favorable prognosis has changed with the use of purine nucleoside analogs (PNAs), such as cladribine (CDA) or pentostatin (P). However, some patients eventually relapse and over time HCL becomes resistant to chemotherapy. Many discoveries have been made in the pathophysiology of HCL during the last decade, especially in genomics, with the identification of the BRAFV600E mutation and cellular biology, including the importance of signaling pathways as well as tumor microenvironment. All of these new developments led to targeted treatments, especially BRAF inhibitors (BRAFis), MEK inhibitors (MEKis), Bruton's tyrosine kinase (BTK) inhibitors (BTKis) and recombinant anti-CD22 immunoconjugates. RESULTS The following major changes or additions were introduced in these updated guidelines: the clinical relevance of the changes in the classification of splenic B-cell lymphomas and leukemias; the increasingly important diagnostic role of BRAFV600E mutation; and the prognostic role of the immunoglobulin (IG) variable (V) heavy chain (H) (IGHV) mutational status and repertory. We also wish to insist on the specific involvement of bones, skin, brain and/or cerebrospinal fluid (CSF) of the disease at diagnosis or during the follow-up, the novel targeted drugs (BRAFi and MEKi) used for HCL treatment, and the increasing role of minimal residual disease (MRD) assessment. CONCLUSION Here we present recommendations for the diagnosis of HCL, treatment in first line and in relapsed/refractory patients as well as for HCL-like disorders including HCL variant (HCL-V)/splenic B-cell lymphomas/leukemias with prominent nucleoli (SBLPN) and splenic diffuse red pulp lymphoma (SDRPL).
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Affiliation(s)
- Jérôme Paillassa
- Service des Maladies du Sang, CHU d’Angers, 49000 Angers, France;
| | - Elsa Maitre
- Hématologie Biologique, Structure Fédérative D’oncogénétique Cyto-Moléculaire du CHU de Caen (SF-MOCAE), CHU de Caen, 14000 Caen, France;
- Unité MICAH, INSERM1245, Université Caen-Normandie, 14000 Caen, France
| | | | - Abdallah Madani
- Service d’Hématologie, CHU de Casablanca, Casablanca 20000, Morocco;
| | | | - Thomas Matthes
- Service d’Hématologie, Département d’Oncologie et Service de Pathologie Clinique, Département de Diagnostic, Hôpital Universitaire de Genève, 1205 Genève, Switzerland;
| | - Eric Van Den Neste
- Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, 1000 Brussels, Belgium;
| | - Laura Cailly
- Service d’Onco-Hématologie et de Thérapie Cellulaire, CHU de Poitiers, 86000 Poitiers, France; (L.C.)
| | - Luca Inchiappa
- Service d’Hématologie, Institut Paoli-Calmette, 13397 Marseille, France
| | | | - Cécile Tomowiak
- Service d’Onco-Hématologie et de Thérapie Cellulaire, CHU de Poitiers, 86000 Poitiers, France; (L.C.)
| | - Xavier Troussard
- Hématologie Biologique, Structure Fédérative D’oncogénétique Cyto-Moléculaire du CHU de Caen (SF-MOCAE), CHU de Caen, 14000 Caen, France;
- Hematologie CHU Caen Normandie, 14000 Caen, France
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Zamò A, van den Brand M, Climent F, de Leval L, Dirnhofer S, Leoncini L, Ng SB, Ondrejka SL, Quintanilla-Martinez L, Soma L, Wotherspoon A. The many faces of nodal and splenic marginal zone lymphomas. A report of the 2022 EA4HP/SH lymphoma workshop. Virchows Arch 2023; 483:317-331. [PMID: 37656249 PMCID: PMC10542713 DOI: 10.1007/s00428-023-03633-3] [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: 06/13/2023] [Revised: 08/18/2023] [Accepted: 08/22/2023] [Indexed: 09/02/2023]
Abstract
Session 3 of the lymphoma workshop of the XXI joint meeting of the European Association for Haematopathology and the Society for Hematopathology took place in Florence, Italy, on September 22, 2022. The topics of this session were splenic and nodal marginal zone lymphomas, transformation in marginal zone lymphomas, and pediatric nodal marginal zone lymphomas and their differential diagnosis as well as related entities. Forty-two cases in these categories were submitted to the workshop, including splenic lymphomas (marginal zone and diffuse red pulp lymphomas), transformed marginal zone lymphomas (splenic and nodal), nodal marginal zone lymphomas with increased TFH-cells, and pediatric nodal marginal zone lymphomas. The case review highlighted some of the principal problems in the diagnosis of marginal zone lymphomas, including the difficulties in the distinction between splenic marginal zone lymphoma, splenic diffuse red pulp lymphoma, and hairy cell leukemia variant/splenic B-cell lymphoma with prominent nucleoli which requires integration of clinical features, immunophenotype, and morphology in blood, bone marrow, and spleen; cases of marginal zone lymphoma with markedly increased TFH-cells, simulating a T-cell lymphoma, where molecular studies (clonality and mutation detection) can help to establish the final diagnosis; the criteria for transformation of marginal zone lymphomas, which are still unclear and might require the integration of morphological and molecular data; the concept of an overlapping spectrum between pediatric nodal marginal zone lymphoma and pediatric-type follicular lymphoma; and the distinction between pediatric nodal marginal zone lymphoma and "atypical" marginal zone hyperplasia, where molecular studies are mandatory to correctly classify cases.
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Affiliation(s)
- Alberto Zamò
- Institute of Pathology, University of Würzburg, Josef-Schneider-Str. 2, 97080, Würzburg, Germany.
| | - Michiel van den Brand
- Pathology-DNA, Location Rijnstate Hospital, Wagnerlaan 55, 6815AD, Arnhem, The Netherlands.
- Department of Pathology, Radboud University Medical Center, Nijmegen, The Netherlands.
| | - Fina Climent
- Department of Pathology, Hospital Universitari de Bellvitge-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Laurence de Leval
- Department of Laboratory Medicine and Pathology, Institute of Pathology, Lausanne University Hospital and Lausanne University, Lausanne, Switzerland
| | - Stefan Dirnhofer
- Institute of Medical Genetics and Pathology, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Lorenzo Leoncini
- Department of Medical Biotechnology, Section of Pathology, University of Siena, Siena, Italy
| | - Siok-Bian Ng
- Department of Pathology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Sarah L Ondrejka
- Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Leticia Quintanilla-Martinez
- Institute of Pathology and Neuropathology, Eberhard Karls University of Tübingen and Comprehensive Cancer Center, University Hospital Tübingen, Tübingen, Germany
| | - Lorinda Soma
- Department of Pathology, City of Hope Medical Center, Duarte, CA, USA
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Schmieg JJ, Muir JM, Aguilera NS, Auerbach A. CD5-Negative, CD10-Negative Low-Grade B-Cell Lymphoproliferative Disorders of the Spleen. Curr Oncol 2021; 28:5124-5147. [PMID: 34940069 PMCID: PMC8700451 DOI: 10.3390/curroncol28060430] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/18/2021] [Accepted: 11/27/2021] [Indexed: 01/20/2023] Open
Abstract
CD5-negative, CD10-negative low-grade B-cell lymphoproliferative disorders (CD5-CD10-LPD) of the spleen comprise a fascinating group of indolent, neoplastic, mature B-cell proliferations that are essential to accurately identify but can be difficult to diagnose. They comprise the majority of B-cell LPDs primary to the spleen, commonly presenting with splenomegaly and co-involvement of peripheral blood and bone marrow, but with little to no involvement of lymph nodes. Splenic marginal zone lymphoma is one of the prototypical, best studied, and most frequently encountered CD5-CD10-LPD of the spleen and typically involves white pulp. In contrast, hairy cell leukemia, another well-studied CD5-CD10-LPD of the spleen, involves red pulp, as do the two less common entities comprising so-called splenic B-cell lymphoma/leukemia unclassifiable: splenic diffuse red pulp small B-cell lymphoma and hairy cell leukemia variant. Although not always encountered in the spleen, lymphoplasmacytic lymphoma, a B-cell lymphoproliferative disorder consisting of a dual population of both clonal B-cells and plasma cells and the frequent presence of the MYD88 L265P mutation, is another CD5-CD10-LPD that can be seen in the spleen. Distinction of these different entities is possible through careful evaluation of morphologic, immunophenotypic, cytogenetic, and molecular features, as well as peripheral blood and bone marrow specimens. A firm understanding of this group of low-grade B-cell lymphoproliferative disorders is necessary for accurate diagnosis leading to optimal patient management.
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Affiliation(s)
- John J. Schmieg
- The Joint Pathology Center, Silver Spring, MD 20910, USA; (J.J.S.); (J.M.M.)
| | - Jeannie M. Muir
- The Joint Pathology Center, Silver Spring, MD 20910, USA; (J.J.S.); (J.M.M.)
| | - Nadine S. Aguilera
- Department of Pathology, University of Virginia Health System, Charlottesville, VA 22904, USA;
| | - Aaron Auerbach
- The Joint Pathology Center, Silver Spring, MD 20910, USA; (J.J.S.); (J.M.M.)
- Correspondence: ; Tel.: +1-301-295-5636
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Robinson JE, Cutucache CE. Deciphering splenic marginal zone lymphoma pathogenesis: the proposed role of microRNA. Oncotarget 2018; 9:30005-30022. [PMID: 30042829 PMCID: PMC6057449 DOI: 10.18632/oncotarget.25487] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Accepted: 05/09/2018] [Indexed: 12/20/2022] Open
Abstract
Splenic marginal zone lymphoma (SMZL) is a malignancy of mature B-cells that primarily involves the spleen, but can affect peripheral organs as well. Even though SMZL is overall considered an indolent malignancy, the majority of cases will eventually progress to be more aggressive. In recent years, the gene expression profile of SMZL has been characterized in an effort to identify: 1) the etiology of SMZL, 2) biological consequences of SMZL, and 3) putative therapeutic targets. However, due to the vast heterogeneity of the malignancy, no conclusive target(s) have been deciphered. However, the role of miRNA in SMZL, much as it has in chronic lymphocytic leukemia, may serve as a guiding light. As a result, we review the comprehensive expression profiling in SMZL to-date, as well as describe the miRNA (and potential mechanistic roles) that may play a role in SMZL transformation, particularly within the 7q region.
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Affiliation(s)
- Jacob E Robinson
- Deptartment of Biology, University of Nebraska at Omaha, Omaha, NE 68182, USA
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Thieblemont C. Improved biological insight and influence on management in indolent lymphoma. Talk 3: update on nodal and splenic marginal zone lymphoma. HEMATOLOGY. AMERICAN SOCIETY OF HEMATOLOGY. EDUCATION PROGRAM 2017; 2017:371-378. [PMID: 29222281 PMCID: PMC6142593 DOI: 10.1182/asheducation-2017.1.371] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Splenic marginal zone lymphoma (SMZL) and nodal marginal zone lymphoma (NMZL) are rare indolent chronic B-cell lymphomas. Prognosis is typically good with median survival around 10-15 years. Management is generally based on the presence of symptoms or high tumor burden. There are no standard treatments for these 2 entities, and therapeutic strategies are rapidly evolving. Clinical developments for these 2 entities are oriented by genomic studies, with largely overlapping mutational profiles involving the NOTCH, B-cell receptor (BcR) and nuclear factor κB (NF-κB) signaling, chromatin remodeling, and the cytoskeleton. Although new therapeutic options based on targeting signaling pathways and overcoming resistance are increasingly available, few specific prospective studies are performed for these rare subtypes, limiting the conclusions that can be drawn. Novel drugs targeting B-cell signaling have shown promise, including ibrutinib and copanlisib. The second-generation oral immunomodalator (IMiD) lenalidomide showed impressive results when combined with rituximab. Other potential solutions include targeting the NF-κB, JAK/STAT, BCL2, NOTCH, and Toll-like receptor signaling pathways; however, studies in these 2 MZL entities are yet to prove a definitive benefit. Molecular profiling is now a cornerstone of diagnostic, prognostic, and therapeutic strategies to offer patient- and disease-specific solutions. The development of a wider range of effective targeted therapies and prognostic biomarkers is keenly awaited and is expected to strongly affect the natural history of SMZL and NMZL.
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Affiliation(s)
- Catherine Thieblemont
- Hemato-Oncology, Hôpital Saint-Louis, Assistance Publique-Hôpitaux de Paris, Paris, France; Diderot University, Sorbonne Paris-Cité, Paris, France; and EA7324, Descartes University, Paris, France
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Ghia P, Nadel B, Sander B, Stamatopoulos K, Stevenson FK. Early stages in the ontogeny of small B-cell lymphomas: genetics and microenvironment. J Intern Med 2017; 282:395-414. [PMID: 28393412 DOI: 10.1111/joim.12608] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
In this review, we focus on the mechanisms underlying lymphomagenesis in chronic lymphocytic leukaemia, follicular lymphoma, mantle cell lymphoma and splenic marginal zone lymphoma. The cells of origin of these small B-cell lymphomas are distinct, as are the characteristic chromosomal lesions and clinical courses. One shared feature is retention of expression of surface immunoglobulin. Analysis of this critical receptor reveals the point of differentiation reached by the cell of origin. Additionally, the sequence patterns of the immunoglobulin-variable domains can indicate a role for stimulants of the B-cell receptor before, during and after malignant transformation. The pathways driven via the B-cell receptor are now being targeted by specific kinase inhibitors with exciting clinical effects. To consider routes to pathogenesis, potentially offering earlier intervention, or to identify causative factors, genetic tools are being used to track pretransformation events and the early phases in lymphomagenesis. These methods are revealing that chromosomal changes are only one of the many steps involved, and that the influence of surrounding cells, probably multiple and variable according to tissue location, is required, both to establish tumours and to maintain growth and survival. Similarly, the influence of the tumour microenvironment may protect malignant cells from eradication by treatment, and the resulting minimal residual disease will eventually give rise to relapse. The common and different features of the four lymphomas will be summarized to show how normal B lymphocytes can be subverted to generate tumours, how these tumours evolve and how their weaknesses can be attacked by targeted therapies.
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Affiliation(s)
- P Ghia
- Division of Experimental Oncology, Università Vita-Salute San Raffaele and IRCCS San Raffaele Scientific Institute Milan, Milan, Italy
| | - B Nadel
- Aix-Marseille Université, CNRS, INSERM, CIML, Marseille, France
| | - B Sander
- Department of Laboratory Medicine, Division of Pathology, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
| | - K Stamatopoulos
- Institute of Applied Biosciences, Center for Research and Technology Hellas, Thessaloniki, Greece.,Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University, Uppsala, Sweden
| | - F K Stevenson
- Cancer Research UK Centre, Cancer Sciences Unit, University of Southampton Faculty of Medicine, Southampton General Hospital, Southampton, UK
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Patten CL, Cutucache CE. Murine Models of Splenic Marginal Zone Lymphoma: A Role for Cav1? Front Oncol 2016; 6:258. [PMID: 28018857 PMCID: PMC5155011 DOI: 10.3389/fonc.2016.00258] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2016] [Accepted: 12/01/2016] [Indexed: 11/13/2022] Open
Abstract
Dozens of murine models of indolent and aggressive B-cell lymphomas have been generated to date. These include those manifesting chronic lymphocytic leukemia (CLL), diffuse large B-cell lymphoma (DLBCL), as well as xenografts of mantle cell lymphoma (MCL). These models have led to an improved understanding of disease etiology, B-cell biology, immunomodulation, and the importance of the tumor microenvironment. Despite these efforts in CLL, DLBCL, and MCL, considerably little progress toward a model of splenic marginal zone lymphoma (SMZL) has been accomplished. Herein, we describe the similarities and differences between CLL, MCL, and SMZL and highlight effective murine models that mimic disease in the two former, in hopes of informing a potential model of the latter. At the time of writing this review, the precise molecular events of SMZL remain to be determined and a treatment regimen remains to be identified. Therefore, based on the efforts put forth in the B-cell lymphoma field throughout the past three decades, the established role of caveolin-1 in B- and T-cell biology as an oncogene or tumor suppressor, and the recurrent deletion or loss of heterozygosity (LOH) of 7q in many cancers, we make recommendations for a murine model of SMZL.
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Homeobox NKX2-3 promotes marginal-zone lymphomagenesis by activating B-cell receptor signalling and shaping lymphocyte dynamics. Nat Commun 2016; 7:11889. [PMID: 27297662 PMCID: PMC4911677 DOI: 10.1038/ncomms11889] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Accepted: 05/10/2016] [Indexed: 12/13/2022] Open
Abstract
NKX2 homeobox family proteins have a role in cancer development. Here we show that NKX2-3 is overexpressed in tumour cells from a subset of patients with marginal-zone lymphomas, but not with other B-cell malignancies. While Nkx2-3-deficient mice exhibit the absence of marginal-zone B cells, transgenic mice with expression of NKX2-3 in B cells show marginal-zone expansion that leads to the development of tumours, faithfully recapitulating the principal clinical and biological features of human marginal-zone lymphomas. NKX2-3 induces B-cell receptor signalling by phosphorylating Lyn/Syk kinases, which in turn activate multiple integrins (LFA-1, VLA-4), adhesion molecules (ICAM-1, MadCAM-1) and the chemokine receptor CXCR4. These molecules enhance migration, polarization and homing of B cells to splenic and extranodal tissues, eventually driving malignant transformation through triggering NF-κB and PI3K-AKT pathways. This study implicates oncogenic NKX2-3 in lymphomagenesis, and provides a valid experimental mouse model for studying the biology and therapy of human marginal-zone B-cell lymphomas. The homeobox NKX2 family of transcriptional factors has been shown to regulate fundamental developmental processes. Here, the authors show that NKX2-3 is a bona fide oncogenic driver in marginal-zone B-cell lymphoma and that it promotes lymphomagenesis by shaping lymphocyte dynamics and promoting BCR signalling.
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Fonte E, Agathangelidis A, Reverberi D, Ntoufa S, Scarfò L, Ranghetti P, Cutrona G, Tedeschi A, Xochelli A, Caligaris-Cappio F, Ponzoni M, Belessi C, Davis Z, Piris MA, Oscier D, Ghia P, Stamatopoulos K, Muzio M. Toll-like receptor stimulation in splenic marginal zone lymphoma can modulate cell signaling, activation and proliferation. Haematologica 2015; 100:1460-8. [PMID: 26294727 DOI: 10.3324/haematol.2014.119933] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Accepted: 08/14/2015] [Indexed: 11/09/2022] Open
Abstract
Recent studies on splenic marginal zone lymphoma identified distinct mutations in genes belonging to the B-cell receptor and Toll-like receptor signaling pathways, thus pointing to their potential implication in the biology of the disease. However, limited data is available regarding the exact role of TLRs. We aimed at characterizing the expression pattern of TLRs in splenic marginal zone lymphoma cells and their functional impact on the activation, proliferation and viability of malignant cells in vitro. Cells expressed significant levels of TLR1, TLR6, TLR7, TLR8, TLR9 and TLR10 mRNA; TLR2 and TLR4 showed a low, variable pattern of expression among patients whereas TLR3 and TLR5 mRNAs were undetectable; mRNA specific for TLR signaling molecules and adapters was also expressed. At the protein level, TLR1, TLR6, TLR7, TLR9 and TLR10 were detected. Stimulation of TLR1/2, TLR2/6 and TLR9 with their respective ligands triggered the activation of IRAK kinases, MAPK and NF-κB signaling pathways, and the induction of CD86 and CD25 activation molecules, although in a heterogeneous manner among different patient samples. TLR-induced activation and cell viability were also inhibited by a specific IRAK1/4 inhibitor, thus strongly supporting the specific role of TLR signaling in these processes. Furthermore, TLR2/6 and TLR9 stimulation also significantly increased cell proliferation. In conclusion, we demonstrate that splenic marginal zone lymphoma cells are equipped with functional TLR and signaling molecules and that the stimulation of TLR1/2, TLR2/6 and TLR9 may play a role in regulating disease pathobiology, likely promoting the expansion of the neoplastic clone.
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Affiliation(s)
- Eleonora Fonte
- Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milano, Italy Università degli studi di Pavia, Italy
| | - Andreas Agathangelidis
- Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milano, Italy
| | - Daniele Reverberi
- UOC Patologia Molecolare, IRCCS AOU S. Martino-IST Istituto Nazionale per la Ricerca sul Cancro, Genova, Italy
| | - Stavroula Ntoufa
- Institute of Applied Biosciences, Centre For Research and Technology Hellas, Thessaloniki, Greece
| | - Lydia Scarfò
- Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milano, Italy Department of Onco-Hematology, San Raffaele Hospital, Milano, Italy Università Vita-Salute San Raffaele, Milano, Italy
| | - Pamela Ranghetti
- Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milano, Italy
| | - Giovanna Cutrona
- UOC Patologia Molecolare, IRCCS AOU S. Martino-IST Istituto Nazionale per la Ricerca sul Cancro, Genova, Italy
| | | | - Aliki Xochelli
- Institute of Applied Biosciences, Centre For Research and Technology Hellas, Thessaloniki, Greece
| | - Federico Caligaris-Cappio
- Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milano, Italy Department of Onco-Hematology, San Raffaele Hospital, Milano, Italy Università Vita-Salute San Raffaele, Milano, Italy
| | - Maurilio Ponzoni
- Department of Onco-Hematology, San Raffaele Hospital, Milano, Italy
| | | | - Zadie Davis
- Department of Haematology, Royal Bournemouth Hospital, UK
| | - Miguel A Piris
- Hospital Universitario Marques de Valdecilla and Instituto de Formación e Investigación Marqués de Valdecilla, Santander, Spain
| | - David Oscier
- Department of Haematology, Royal Bournemouth Hospital, UK
| | - Paolo Ghia
- Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milano, Italy Department of Onco-Hematology, San Raffaele Hospital, Milano, Italy Università Vita-Salute San Raffaele, Milano, Italy
| | - Kostas Stamatopoulos
- Institute of Applied Biosciences, Centre For Research and Technology Hellas, Thessaloniki, Greece Hematology Department and HCT Unit, G. Papanicolaou Hospital, Thessaloniki, Greece
| | - Marta Muzio
- Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milano, Italy
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