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Uhl B, Prochazka KT, Pansy K, Wenzl K, Strobl J, Baumgartner C, Szmyra MM, Waha JE, Wolf A, Tomazic PV, Steinbauer E, Steinwender M, Friedl S, Weniger M, Küppers R, Pichler M, Greinix HT, Stary G, Ramsay AG, Apollonio B, Feichtinger J, Beham-Schmid C, Neumeister P, Deutsch AJ. Distinct Chemokine Receptor Expression Profiles in De Novo DLBCL, Transformed Follicular Lymphoma, Richter's Trans-Formed DLBCL and Germinal Center B-Cells. Int J Mol Sci 2022; 23:7874. [PMID: 35887224 PMCID: PMC9316992 DOI: 10.3390/ijms23147874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 07/12/2022] [Accepted: 07/13/2022] [Indexed: 11/17/2022] Open
Abstract
Chemokine receptors and their ligands have been identified as playing an important role in the development of diffuse large B-cell lymphoma (DLBCL), follicular lymphoma, and Richter syndrome (RS). Our aim was to investigate the different expression profiles in de novo DLBCL, transformed follicular lymphoma (tFL), and RS. Here, we profiled the mRNA expression levels of 18 chemokine receptors (CCR1-CCR9, CXCR1-CXCR7, CX3CR1 and XCR1) using RQ-PCR, as well as immunohistochemistry of seven chemokine receptors (CCR1, CCR4-CCR8 and CXCR2) in RS, de novo DLBCL, and tFL biopsy-derived tissues. Tonsil-derived germinal center B-cells (GC-B) served as non-neoplastic controls. The chemokine receptor expression profiles of de novo DLBCL and tFL substantially differed from those of GC-B, with at least 5-fold higher expression of 15 out of the 18 investigated chemokine receptors (CCR1-CCR9, CXCR1, CXCR2, CXCR6, CXCR7, CX3CR1 and XCR1) in these lymphoma subtypes. Interestingly, the de novo DLBCL and tFL exhibited at least 22-fold higher expression of CCR1, CCR5, CCR8, and CXCR6 compared with RS, whereas no significant difference in chemokine receptor expression profile was detected when comparing de novo DLBCL with tFL. Furthermore, in de novo DLBCL and tFLs, a high expression of CCR7 was associated with a poor overall survival in our study cohort, as well as in an independent patient cohort. Our data indicate that the chemokine receptor expression profile of RS differs substantially from that of de novo DLBCL and tFL. Thus, these multiple dysregulated chemokine receptors could represent novel clinical markers as diagnostic and prognostic tools. Moreover, this study highlights the relevance of chemokine signaling crosstalk in the tumor microenvironment of aggressive lymphomas.
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Affiliation(s)
- Barbara Uhl
- Division of Hematology, Department of Internal Medicine, Medical University of Graz, 8036 Graz, Austria; (B.U.); (K.T.P.); (K.P.); (K.W.); (M.M.S.); (H.T.G.)
| | - Katharina T. Prochazka
- Division of Hematology, Department of Internal Medicine, Medical University of Graz, 8036 Graz, Austria; (B.U.); (K.T.P.); (K.P.); (K.W.); (M.M.S.); (H.T.G.)
| | - Katrin Pansy
- Division of Hematology, Department of Internal Medicine, Medical University of Graz, 8036 Graz, Austria; (B.U.); (K.T.P.); (K.P.); (K.W.); (M.M.S.); (H.T.G.)
| | - Kerstin Wenzl
- Division of Hematology, Department of Internal Medicine, Medical University of Graz, 8036 Graz, Austria; (B.U.); (K.T.P.); (K.P.); (K.W.); (M.M.S.); (H.T.G.)
- Division of Hematology, Mayo Clinic, Rochester, MN 55902, USA
| | - Johanna Strobl
- Department of Dermatology, Medical University of Vienna, 1090 Vienna, Austria; (J.S.); (G.S.)
| | - Claudia Baumgartner
- Division of Cell Biology, Histology and Embryology, Gottfried Schatz Research Center, Medical University of Graz, 8036 Graz, Austria; (C.B.); (J.F.)
| | - Marta M. Szmyra
- Division of Hematology, Department of Internal Medicine, Medical University of Graz, 8036 Graz, Austria; (B.U.); (K.T.P.); (K.P.); (K.W.); (M.M.S.); (H.T.G.)
| | - James E. Waha
- General, Visceral and Transplant Surgery, Medical University of Graz, 8036 Graz, Austria;
| | - Axel Wolf
- Department of Otorhinolaryngology, Head and Neck Surgery, Medical University of Graz, 8036 Graz, Austria; (A.W.); (P.V.T.)
| | - Peter V. Tomazic
- Department of Otorhinolaryngology, Head and Neck Surgery, Medical University of Graz, 8036 Graz, Austria; (A.W.); (P.V.T.)
| | - Elisabeth Steinbauer
- Institute of Pathology, Medical University of Graz, 8036 Graz, Austria; (E.S.); (M.S.); (S.F.); (C.B.-S.)
| | - Maria Steinwender
- Institute of Pathology, Medical University of Graz, 8036 Graz, Austria; (E.S.); (M.S.); (S.F.); (C.B.-S.)
| | - Sabine Friedl
- Institute of Pathology, Medical University of Graz, 8036 Graz, Austria; (E.S.); (M.S.); (S.F.); (C.B.-S.)
| | - Marc Weniger
- Institute of Cell Biology (Cancer Research), University of Duisburg-Essen, 45122 Essen, Germany; (M.W.); (R.K.)
| | - Ralf Küppers
- Institute of Cell Biology (Cancer Research), University of Duisburg-Essen, 45122 Essen, Germany; (M.W.); (R.K.)
- German Cancer Consortium (DKTK), 69120 Heidelberg, Germany
| | - Martin Pichler
- Division of Oncology, Department of Internal Medicine, Medical University of Graz, 8036 Graz, Austria;
| | - Hildegard T. Greinix
- Division of Hematology, Department of Internal Medicine, Medical University of Graz, 8036 Graz, Austria; (B.U.); (K.T.P.); (K.P.); (K.W.); (M.M.S.); (H.T.G.)
| | - Georg Stary
- Department of Dermatology, Medical University of Vienna, 1090 Vienna, Austria; (J.S.); (G.S.)
- Ludwig Boltzmann Institute for Rare and Undiagnosed Diseases, 1090 Vienna, Austria
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, 1090 Vienna, Austria
| | - Alan G. Ramsay
- Faculty of Life Sciences & Medicine, School of Cancer & Pharmaceutical Sciences, King’s College London, London WC2R 2LS, UK; (A.G.R.); (B.A.)
| | - Benedetta Apollonio
- Faculty of Life Sciences & Medicine, School of Cancer & Pharmaceutical Sciences, King’s College London, London WC2R 2LS, UK; (A.G.R.); (B.A.)
| | - Julia Feichtinger
- Division of Cell Biology, Histology and Embryology, Gottfried Schatz Research Center, Medical University of Graz, 8036 Graz, Austria; (C.B.); (J.F.)
| | - Christine Beham-Schmid
- Institute of Pathology, Medical University of Graz, 8036 Graz, Austria; (E.S.); (M.S.); (S.F.); (C.B.-S.)
| | - Peter Neumeister
- Division of Hematology, Department of Internal Medicine, Medical University of Graz, 8036 Graz, Austria; (B.U.); (K.T.P.); (K.P.); (K.W.); (M.M.S.); (H.T.G.)
| | - Alexander J. Deutsch
- Division of Hematology, Department of Internal Medicine, Medical University of Graz, 8036 Graz, Austria; (B.U.); (K.T.P.); (K.P.); (K.W.); (M.M.S.); (H.T.G.)
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Korona B, Korona D, Zhao W, Wotherspoon AC, Du MQ. CCR6 activation links innate immune responses to mucosa-associated lymphoid tissue lymphoma development. Haematologica 2022; 107:1384-1396. [PMID: 35142152 PMCID: PMC9152962 DOI: 10.3324/haematol.2021.280067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 01/31/2022] [Indexed: 11/24/2022] Open
Abstract
The genesis of extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue (MALT) is driven by oncogenic co-operation among immunological stimulations and acquired genetic changes. We previously identified recurrent CCR6 mutations in MALT lymphoma, with majority predicted to result in truncated proteins lacking the phosphorylation motif important for receptor desensitization. Functional consequences of these mutational changes, the molecular mechanisms of CCR6 activation and how this receptor signaling contributes to MALT lymphoma development remain to be investigated. In the present study, we demonstrated that these mutations impaired CCR6 receptor internalization and were activating changes, being more potent in apoptosis resistance, malignant transformation, migration and intracellular signaling, particularly in the presence of the ligands CCL20, HBD2 (human b defensin 2) and HD5 (human a defensin 5). CCR6 was highly expressed in malignant B cells irrespective of the lymphoma sites. HBD2 and CCL20 were constitutively expressed by the duct epithelial cells of salivary glands, and also those involved in lymphoepithelial lesions (LEL) in salivary gland MALT lymphoma. While in the gastric setting, HBD2, and HD5, to a less extent CCL20, were highly expressed in epithelial cells of pyloric and intestinal metaplasia respectively including those involved in LEL, which are adaptive responses to chronic Helicobacter pylori infection. These findings suggest that CCR6 signaling is most likely active in MALT lymphoma, independent of its mutation status. The observations explain why the emergence of malignant B cells and their clonal expansion in MALT lymphoma are typically around LEL, linking the innate immune responses to lymphoma genesis.
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Affiliation(s)
- Boguslawa Korona
- Division of Cellular and Molecular Pathology, Department of Pathology, University of Cambridge, Cambridge
| | - Dagmara Korona
- Department of Genetics, University of Cambridge, Cambridge
| | - Wanfeng Zhao
- The Human Research Tissue Bank, Cambridge University Hospitals NHS Foundation Trust, Cambridge
| | | | - Ming-Qing Du
- Division of Cellular and Molecular Pathology, Department of Pathology, University of Cambridge, Cambridge, UK; Department of Histopathology, Cambridge University Hospitals NHS Foundation Trust, Cambridge.
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Uhl B, Prochazka KT, Fechter K, Pansy K, Greinix HT, Neumeister P, Deutsch AJA. Impact of the microenvironment on the pathogenesis of mucosa-associated lymphoid tissue lymphomas. World J Gastrointest Oncol 2022; 14:153-162. [PMID: 35116108 PMCID: PMC8790412 DOI: 10.4251/wjgo.v14.i1.153] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 05/16/2021] [Accepted: 12/10/2021] [Indexed: 02/06/2023] Open
Abstract
Approximately 8% of all non-Hodgkin lymphomas are extranodal marginal zone B cell lymphomas of mucosa-associated lymphoid tissue (MALT), also known as MALT lymphomas. These arise at a wide range of different extranodal sites, with most cases affecting the stomach, the lung, the ocular adnexa and the thyroid. The small intestine is involved in a lower percentage of cases. Lymphoma growth in the early stages is associated with long-lasting chronic inflammation provoked by bacterial infections (e.g., Helicobacter pylori or Chlamydia psittaci infections) or autoimmune conditions (e.g., Sjögren’s syndrome or Hashimoto thyroiditis). While these inflammatory processes trigger lymphoma cell proliferation and/or survival, they also shape the microenvironment. Thus, activated immune cells are actively recruited to the lymphoma, resulting in either direct lymphoma cell stimulation via surface receptor interactions and/or indirect lymphoma cell stimulation via secretion of soluble factors like cytokines. In addition, chronic inflammatory conditions cause the acquisition of genetic alterations resulting in autonomous lymphoma cell growth. Recently, novel agents targeting the microenvironment have been developed and clinically tested in MALT lymphomas as well as other lymphoid malignancies. In this review, we aim to describe the composition of the microenvironment of MALT lymphoma, the interaction of activated immune cells with lymphoma cells and novel therapeutic approaches in MALT lymphomas using immunomodulatory and/or microenvironment-targeting agents.
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Affiliation(s)
- Barbara Uhl
- Division of Hematology, Medical University of Graz, Graz 8036, Austria
| | | | - Karoline Fechter
- Division of Hematology, Medical University of Graz, Graz 8036, Austria
| | - Katrin Pansy
- Division of Hematology, Medical University of Graz, Graz 8036, Austria
| | | | - Peter Neumeister
- Division of Hematology, Medical University of Graz, Graz 8036, Austria
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Recent Advances in the Genetic of MALT Lymphomas. Cancers (Basel) 2021; 14:cancers14010176. [PMID: 35008340 PMCID: PMC8750177 DOI: 10.3390/cancers14010176] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 12/28/2021] [Accepted: 12/29/2021] [Indexed: 12/20/2022] Open
Abstract
Simple Summary Mucosa-associated lymphoid tissue (MALT) lymphoma is the most common subtype of marginal zone lymphomas. These B-cell neoplasms may arise from many organs and usually have an indolent behavior. Recurrent chromosomal translocations and cytogenetic alterations are well characterized, some of them being associated to specific sites. Through next-generation sequencing technologies, the mutational landscape of MALT lymphomas has been explored and available data to date show that there are considerable variations in the incidence and spectrum of mutations among MALT lymphoma of different sites. Interestingly, most of these mutations affect several common pathways and some of them are potentially targetable. Gene expression profile and epigenetic studies have also added new information, potentially useful for diagnosis and treatment. This article provides a comprehensive review of the genetic landscape in MALT lymphomas. Abstract Mucosa-associated lymphoid tissue (MALT) lymphomas are a diverse group of lymphoid neoplasms with B-cell origin, occurring in adult patients and usually having an indolent clinical behavior. These lymphomas may arise in different anatomic locations, sharing many clinicopathological characteristics, but also having substantial variances in the aetiology and genetic alterations. Chromosomal translocations are recurrent in MALT lymphomas with different prevalence among different sites, being the 4 most common: t(11;18)(q21;q21), t(1;14)(p22;q32), t(14;18)(q32;q21), and t(3;14)(p14.1;q32). Several chromosomal numerical abnormalities have also been described, but probably represent secondary genetic events. The mutational landscape of MALT lymphomas is wide, and the most frequent mutations are: TNFAIP3, CREBBP, KMT2C, TET2, SPEN, KMT2D, LRP1B, PRDM1, EP300, TNFRSF14, NOTCH1/NOTCH2, and B2M, but many other genes may be involved. Similar to chromosomal translocations, certain mutations are enriched in specific lymphoma types. In the same line, variation in immunoglobulin gene usage is recognized among MALT lymphoma of different anatomic locations. In the last decade, several studies have analyzed the role of microRNA, transcriptomics and epigenetic alterations, further improving our knowledge about the pathogenic mechanisms in MALT lymphoma development. All these advances open the possibility of targeted directed treatment and push forward the concept of precision medicine in MALT lymphomas.
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Cuesta-Mateos C, Terrón F, Herling M. CCR7 in Blood Cancers - Review of Its Pathophysiological Roles and the Potential as a Therapeutic Target. Front Oncol 2021; 11:736758. [PMID: 34778050 PMCID: PMC8589249 DOI: 10.3389/fonc.2021.736758] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 10/12/2021] [Indexed: 11/23/2022] Open
Abstract
According to the classical paradigm, CCR7 is a homing chemokine receptor that grants normal lymphocytes access to secondary lymphoid tissues such as lymph nodes or spleen. As such, in most lymphoproliferative disorders, CCR7 expression correlates with nodal or spleen involvement. Nonetheless, recent evidence suggests that CCR7 is more than a facilitator of lymphatic spread of tumor cells. Here, we review published data to catalogue CCR7 expression across blood cancers and appraise which classical and novel roles are attributed to this receptor in the pathogenesis of specific hematologic neoplasms. We outline why novel therapeutic strategies targeting CCR7 might provide clinical benefits to patients with CCR7-positive hematopoietic tumors.
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Affiliation(s)
- Carlos Cuesta-Mateos
- Immunology Department, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria- Instituto la Princesa (IIS-IP), Madrid, Spain.,Immunological and Medicinal Products (IMMED S.L.), Madrid, Spain.,Catapult Therapeutics BV, Lelystad, Netherlands
| | - Fernando Terrón
- Immunological and Medicinal Products (IMMED S.L.), Madrid, Spain.,Catapult Therapeutics BV, Lelystad, Netherlands
| | - Marco Herling
- Clinic of Hematology and Cellular Therapy, University of Leipzig, Leipzig, Germany
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Muraoka S, Nishio J, Kuboi Y, Imai T, Nanki T. Rationale for and clinical development of anti-fractalkine antibody in rheumatic diseases. Expert Opin Biol Ther 2020; 20:1309-1319. [PMID: 32401060 DOI: 10.1080/14712598.2020.1764931] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Introduction: Rheumatic diseases are inflammatory diseases that damage target organs via multiple subsets of immune cells. Fractalkine (FKN) acts as chemoattractant as well as adhesion molecule. It contributes to the pathogenesis of rheumatoid arthritis (RA) and other rheumatic diseases through multiple mechanisms: the migration of monocytes and cytotoxic effector T cells, the proliferation and activation of fibroblast-like synoviocytes, angiogenesis, and osteoclastogenesis. FKN has potential as a new therapeutic target, and clinical trials on anti-FKN monoclonal antibodies for RA are ongoing. FKN-targeted therapy has been developed and a humanized anti-FKN monoclonal antibody is currently being tested in phase 2 clinical trials. Areas covered: This review summarizes accumulated evidence on the involvement of FKN in RA and other rheumatic diseases, including systemic lupus erythematosus (SLE), systemic sclerosis, inflammatory myositis, Sjögren's syndrome (SS), osteoarthritis, and systemic vasculitis. Expert opinion: A phase 1/2a clinical trial on anti-FKN demonstrated its safety, tolerability, and clinical efficacy. Anti-FKN therapy has potential in the treatment of atherosclerosis and interstitial lung diseases associated with RA. Based on recent findings, other rheumatic diseases, including SLE, polymyositis/dermatomyositis, and SS, may also be treated using anti-FKN therapy.
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Affiliation(s)
- Sei Muraoka
- Division of Rheumatology, Department of Internal Medicine, Toho University School of Medicine , Tokyo, Japan
| | - Junko Nishio
- Division of Rheumatology, Department of Internal Medicine, Toho University School of Medicine , Tokyo, Japan.,Department of Immunopathology and Immunoregulation, Toho University School of Medicine , Tokyo, Japan
| | | | | | - Toshihiro Nanki
- Division of Rheumatology, Department of Internal Medicine, Toho University School of Medicine , Tokyo, Japan
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Huang Q, Liu F, Shen J. The significance of chemokines in diffuse large B-cell lymphoma: a systematic review and future insights. Future Oncol 2019; 15:1385-1395. [PMID: 30880459 DOI: 10.2217/fon-2018-0514] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Despite the progress made in molecular and clinical research, patients with diffuse large B-cell lymphoma (DLBCL) still have a bad prognosis. Recently, chemokines/chemokine receptors have become the subject of interest in relation to DLBCL. Studies have demonstrated the important role of chemokines/chemokine receptors in the communication between DLBCL cells and tumor microenvironment. Studies have also reported the ability of chemokines/chemokine receptors in promoting the proliferation and invasion of DLBCL cells. Here, we summarize the data on mechanisms of DLBCL supporting the involvement of chemokine/chemokine receptor changes. We focus on the available evidence regarding chemokines/chemokine receptors as biomarkers and therapeutic targets for DLBCL.
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Affiliation(s)
- Qian Huang
- Department of Hematology, Fujian Provincial Key Laboratory of Hematology, The Affiliated Union Hospital of Fujian Medical University, Fuzhou, Fujian, PR China
| | - Feifei Liu
- Department of Hematology, Fujian Provincial Key Laboratory of Hematology, The Affiliated Union Hospital of Fujian Medical University, Fuzhou, Fujian, PR China
| | - Jianzhen Shen
- Department of Hematology, Fujian Provincial Key Laboratory of Hematology, The Affiliated Union Hospital of Fujian Medical University, Fuzhou, Fujian, PR China
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The role of G protein-coupled receptors in lymphoid malignancies. Cell Signal 2017; 39:95-107. [PMID: 28802842 DOI: 10.1016/j.cellsig.2017.08.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Revised: 08/04/2017] [Accepted: 08/07/2017] [Indexed: 12/20/2022]
Abstract
B cell lymphoma consists of multiple individual diseases arising throughout the lifespan of B cell development. From pro-B cells in the bone marrow, through circulating mature memory B cells, each stage of B cell development is prone to oncogenic mutation and transformation, which can lead to a corresponding lymphoma. Therapies designed against individual types of lymphoma often target features that differ between malignant cells and the corresponding normal cells from which they arise. These genetic changes between tumor and normal cells can include oncogene activation, tumor suppressor gene repression and modified cell surface receptor expression. G protein-coupled receptors (GPCRs) are an important class of cell surface receptors that represent an ideal target for lymphoma therapeutics. GPCRs bind a wide range of ligands to relay extracellular signals through G protein-mediated signaling cascades. Each lymphoma subgroup expresses a unique pattern of GPCRs and efforts are underway to fully characterize these patterns at the genetic level. Aberrations such as overexpression, deletion and mutation of GPCRs have been characterized as having causative roles in lymphoma and such studies describing GPCRs in B cell lymphomas are summarized here.
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Deutsch AJ, Rinner B, Pichler M, Prochazka K, Pansy K, Bischof M, Fechter K, Hatzl S, Feichtinger J, Wenzl K, Frisch MT, Stiegelbauer V, Prokesch A, Krogsdam A, Sill H, Thallinger GG, Greinix HT, Wang C, Beham-Schmid C, Neumeister P. NR4A3 Suppresses Lymphomagenesis through Induction of Proapoptotic Genes. Cancer Res 2017; 77:2375-2386. [DOI: 10.1158/0008-5472.can-16-2320] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Revised: 10/12/2016] [Accepted: 02/22/2017] [Indexed: 11/16/2022]
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Stollberg S, Kämmerer D, Neubauer E, Schulz S, Simonitsch-Klupp I, Kiesewetter B, Raderer M, Lupp A. Differential somatostatin and CXCR4 chemokine receptor expression in MALT-type lymphoma of gastric and extragastric origin. J Cancer Res Clin Oncol 2016; 142:2239-47. [PMID: 27544389 DOI: 10.1007/s00432-016-2220-6] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Accepted: 08/15/2016] [Indexed: 12/17/2022]
Abstract
PURPOSE Whereas the different somatostatin receptor (SSTR) subtypes and the chemokine receptor CXCR4 are known to be expressed in a wide variety of human malignancies, comprehensive data are still lacking for MALT-type lymphomas. METHODS Overall, 55 cases of MALT-type lymphoma of both gastric and extragastric origin were evaluated for the SSTR subtype and CXCR4 expression by means of immunohistochemistry using novel monoclonal rabbit antibodies. The stainings were rated by means of the immunoreactive score and correlated with clinical data. RESULTS While the CXCR4 was detected in 92 % of the cases investigated, the SSTR subtypes were much less frequently present. The SSTR5 was expressed in about 50 % of the cases, followed by the SSTR3, the SSTR2A, the SSTR4 and the SSTR1, which were present in 35, 27, 18 or 2 %, respectively, of the tumors only. Gastric lymphomas displayed a significantly higher SSTR3, SSTR4 and SSTR5 expression than extragastric tumors. A correlation between CXCR4 and Ki-67 expression was seen in gastric lymphomas, whereas primarily in extragastric tumors SSTR5 negativity was associated with poor patient outcome. CONCLUSIONS The CXCR4 may serve as a promising target for diagnostics and therapy of MALT-type lymphomas, while the SSTRs appear not suitable in this respect.
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Affiliation(s)
- Susann Stollberg
- Institute of Pharmacology and Toxicology, Jena University Hospital, Friedrich Schiller University Jena, Drackendorfer Str. 1, 07747, Jena, Germany
| | - Daniel Kämmerer
- Department of General and Visceral Surgery, Zentralklinik Bad Berka, Bad Berka, Germany
| | - Elisa Neubauer
- Institute of Pharmacology and Toxicology, Jena University Hospital, Friedrich Schiller University Jena, Drackendorfer Str. 1, 07747, Jena, Germany
| | - Stefan Schulz
- Institute of Pharmacology and Toxicology, Jena University Hospital, Friedrich Schiller University Jena, Drackendorfer Str. 1, 07747, Jena, Germany
| | | | | | - Markus Raderer
- Department of Internal Medicine I, University of Vienna, Vienna, Austria
| | - Amelie Lupp
- Institute of Pharmacology and Toxicology, Jena University Hospital, Friedrich Schiller University Jena, Drackendorfer Str. 1, 07747, Jena, Germany.
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Tsuruyama T, Hiratsuka T, Aini W, Nakamura T. STAT5A Modulates Chemokine Receptor CCR6 Expression and Enhances Pre-B Cell Growth in a CCL20-Dependent Manner. J Cell Biochem 2016; 117:2630-42. [PMID: 27018255 DOI: 10.1002/jcb.25558] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Accepted: 03/24/2016] [Indexed: 12/15/2022]
Abstract
Signal transducer and activator of transcription 5A (STAT5A) contributes to B-cell responses to cytokines through suppressor of cytokine signaling (Socs) genes in innate immunity. However, its direct roles in B-cell responses to chemokines are poorly understood. In this study, we examined the role of STAT5A in the innate immune response. We found that STAT5A upregulated the transcription of C-C motif receptor 6 (Ccr6) to induce responses to its ligand, CCL20. STAT5A transcriptional activity proceeded through binding to the interferon-γ activation site (GAS) element in the CCR6 promoter in the genome of pre-B cells. High levels of STAT5A and CCR6 increased CCL20-dependent colony growth of pre-B cells. In human B-lymphoblastic lymphoma with inflammation, STAT5A phosphorylation was correlated with CCR6 expression (P > 0.05 compared with that in cases without inflammation). In conclusion, our data supported our hypothesis that STAT5A enhanced the response of pre-B cells to CCL20 to promote their growth. J. Cell. Biochem. 117: 2630-2642, 2016. © 2016 Wiley Periodicals, Inc.
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MESH Headings
- Animals
- Apoptosis
- Blotting, Western
- Cell Proliferation
- Cells, Cultured
- Chemokine CCL20/genetics
- Chemokine CCL20/metabolism
- Cytokines/genetics
- Cytokines/metabolism
- Humans
- Immunoenzyme Techniques
- Inflammation/genetics
- Inflammation/metabolism
- Inflammation/pathology
- Lymphoma, B-Cell/genetics
- Lymphoma, B-Cell/metabolism
- Lymphoma, B-Cell/pathology
- Mice
- Phosphorylation
- Precursor Cells, B-Lymphoid/cytology
- Precursor Cells, B-Lymphoid/metabolism
- RNA, Messenger/genetics
- Real-Time Polymerase Chain Reaction
- Receptors, CCR6/genetics
- Receptors, CCR6/metabolism
- Reverse Transcriptase Polymerase Chain Reaction
- STAT5 Transcription Factor/genetics
- STAT5 Transcription Factor/metabolism
- Signal Transduction
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Affiliation(s)
- Tatsuaki Tsuruyama
- Department of Diagnostic Pathology, Kyoto University Hospital, 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto, 606-8397, Japan.
- Center for Anatomical, Pathological, Forensic Medical Research, Graduate School of Medicine, Kyoto University, Yoshida Konoe-cho, Sakyo-ku, Kyoto, 606-8501, Japan.
| | - Takuya Hiratsuka
- Department of Pathology and Biology of Diseases, Graduate School of Medicine, Kyoto University, Yoshida Konoe-cho, Sakyo-ku, Kyoto, 606-8501, Japan
| | - Wulamujiang Aini
- Center for Anatomical, Pathological, Forensic Medical Research, Graduate School of Medicine, Kyoto University, Yoshida Konoe-cho, Sakyo-ku, Kyoto, 606-8501, Japan
| | - Takuro Nakamura
- Cancer Institute, Laboratory of Carcinogenesis, Ariake 3-8021, Koto-ku, Tokyo, 135-8550, Japan
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Zhao L, Wang Y, Xue Y, Lv W, Zhang Y, He S. Critical roles of chemokine receptor CCR5 in regulating glioblastoma proliferation and invasion. Acta Biochim Biophys Sin (Shanghai) 2015; 47:890-8. [PMID: 26390883 DOI: 10.1093/abbs/gmv095] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2015] [Accepted: 07/06/2015] [Indexed: 02/07/2023] Open
Abstract
Glioblastoma (GBM) is the most prevalent malignant primary brain tumor in adults and exhibits a spectrum of aberrantly aggressive phenotype. Tumor cell proliferation and invasion are critically regulated by chemokines and their receptors. Recent studies have shown that the chemokine CCL5 and its receptor CCR5 play important roles in tumor invasion and metastasis. Nonetheless, the roles of the CCR5 in GBM still remain unclear. The present study provides the evidence that the chemokine receptor CCR5 is highly expressed and associated with poor prognosis in human GBM. Mechanistically, CCL5-CCR5 mediates activation of Akt, and subsequently induces proliferation and invasive responses in U87 and U251 cells. Moreover, down-regulation of CCR5 significantly inhibited the growth of glioma in U87 tumor xenograft mouse model. Finally, high CCR5 expression in GBM is correlated with increased p-Akt expression in patient samples. Together, these findings suggest that the CCR5 is a critical molecular event associated with gliomagenesis.
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Affiliation(s)
- Lanfu Zhao
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, China
| | - Yuan Wang
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, China
| | - Yafei Xue
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, China
| | - Wenhai Lv
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, China
| | - Yufu Zhang
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, China
| | - Shiming He
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, China
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Higher incidence of the SNP Met 788 Ile in the coding region of A20 in diffuse large B cell lymphomas. Tumour Biol 2015; 37:4785-9. [PMID: 26518771 DOI: 10.1007/s13277-015-4322-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2015] [Accepted: 10/26/2015] [Indexed: 12/22/2022] Open
Abstract
Genetic alterations causing constitutive activation of the nuclear factor kappa B (NF-κB) signaling pathway has been associated with the development of lymphomas. A20 (TNFAIP3) is a key regulator of NF-κB signaling. Its suppressor functions are often inactivated by deletions and/or mutations in various hematologic malignancies. Since we recently found the rs143002189 polymorphism in the A20 loci in our multiple myeloma samples, we further investigated this polymorphism in different lymphoid neoplasias. For this purpose, we tested 479 cases of the most common B cell malignancies for the presence of the rs143002189 polymorphism. We found a significant higher occurrence of the rs143002189 polymorphism in diffuse large B cell lymphoma (DLBCL) compared to non-neoplastic controls and other types of B cell malignancies. Furthermore, structure analyses of the mutated A20 protein led to the assumption that the new steric interaction within the protein is responsible for a reduced or inactivated A20 protein. Our data indicates that in a significant fraction of patients, rs143002189 might contribute to the development of DLBCL.
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14
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Chen L, Liu X, Zhang HY, Du W, Qin Z, Yao Y, Mao Y, Zhou L. Upregulation of chemokine receptor CCR10 is essential for glioma proliferation, invasion and patient survival. Oncotarget 2015; 5:6576-83. [PMID: 25149529 PMCID: PMC4196146 DOI: 10.18632/oncotarget.2134] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Human gliomas are characterized by their invasion of normal brain structures irrespective of their grade of malignancy. Tumor cell invasion share many similarities with leukocyte trafficking, which is critically regulated by chemokines and their receptors. Here we report that the chemokine receptor CCR10 is highly expressed in human glioblastoma compared with control brain tissue. In vitro, signaling through CCL27-CCR10 mediates activation of p-Akt, and subsequently induces proliferation and invasive responses. Cell proliferation and invasion promoted by CCL27 were blocked by inhibition of p-Akt or CCR10. In vivo, down-regulation of CCR10 significantly impairs growth of glioma. Clinically, High CCR10 expression in GBM correlated with p-Akt, shorter overall survival and progression-free survival (P < 0.05). Together, these findings suggest that elevated CCR10 is a critical molecular event associated with gliomagenesis.
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Affiliation(s)
- Lingchao Chen
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Xing Liu
- Department of Neurosurgery, the Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Hai-Yan Zhang
- Department of Obstetrics and Gynecology, International Peace Maternal and Children's Hospital, Shanghai Jiaotong University, Shanghai, China
| | - Wenzong Du
- Department of Neurosurgery, the Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Zhiyong Qin
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Yu Yao
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Ying Mao
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Liangfu Zhou
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China
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15
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Troppan K, Hofer S, Wenzl K, Lassnig M, Pursche B, Steinbauer E, Wiltgen M, Zulus B, Renner W, Beham-Schmid C, Deutsch A, Neumeister P. Frequent down regulation of the tumor suppressor gene a20 in multiple myeloma. PLoS One 2015; 10:e0123922. [PMID: 25856582 PMCID: PMC4391781 DOI: 10.1371/journal.pone.0123922] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Accepted: 03/09/2015] [Indexed: 11/18/2022] Open
Abstract
Multiple myeloma (MM) is a malignant clonal expansion of plasma cells in the bone marrow and belongs to the mature B-cell neoplams. The pathogenesis of MM is associated with constitutive NF-κB activation. However, genetic alterations causing constitutive NF-κB activation are still incompletely understood. Since A20 (TNFAIP3) is a suppressor of the NF-κB pathway and is frequently inactivated in various lymphoid malignancies, we investigated the genetic and epigenetic properties of A20 in MM. In total, of 46 patient specimens analyzed, 3 single base pair exchanges, 2 synonymous mutations and one missense mutation were detected by direct sequencing. Gene copy number analysis revealed a reduced A20 gene copy number in 8 of 45 (17.7%) patients. Furthermore, immunohistochemical staining confirmed that A20 expression correlates with the reduction of A20 gene copy number. These data suggest that A20 contributes to tumor formation in a significant fraction of myeloma patients.
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Affiliation(s)
- Katharina Troppan
- Division of Hematology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Sybille Hofer
- Division of Hematology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Kerstin Wenzl
- Division of Hematology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Markus Lassnig
- Division of Hematology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Beata Pursche
- Division of Hematology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | | | - Marco Wiltgen
- Institute for Medical Informatics, Statistics and Documentation, Medical University of Graz, Graz, Austria
| | - Barbara Zulus
- Division of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria
| | - Wilfried Renner
- Division of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria
| | | | - Alexander Deutsch
- Division of Hematology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
- * E-mail:
| | - Peter Neumeister
- Division of Hematology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
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16
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Molecular Pathogenesis of MALT Lymphoma. Gastroenterol Res Pract 2015; 2015:102656. [PMID: 25922601 PMCID: PMC4397421 DOI: 10.1155/2015/102656] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2014] [Revised: 03/17/2015] [Accepted: 03/17/2015] [Indexed: 12/11/2022] Open
Abstract
Approximately 8% of all non-Hodgkin lymphomas are extranodal marginal zone B cell lymphoma of mucosa associated lymphoid tissue (MALT), also known as MALT lymphoma, which was first described in 1983 by Isaacson and Wright. MALT lymphomas arise at a wide range of different extranodal sites, with the highest frequency in the stomach, followed by lung, ocular adnexa, and thyroid, and with a low percentage in the small intestine. Interestingly, at least 3 different, apparently site-specific, chromosomal translocations and missense and frameshift mutations, all pathway-related genes affecting the NF-κB signal, have been implicated in the development and progression of MALT lymphoma. However, these genetic abnormalities alone are not sufficient for malignant transformation. There is now increasing evidence suggesting that the oncogenic product of translocation cooperates with immunological stimulation in oncogenesis, that is, the association with chronic bacterial infection or autoaggressive process. This review mainly discusses MALT lymphomas in terms of their genetic aberration and association with chronic infections and summarizes recent advances in their molecular pathogenesis.
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17
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Martorelli D, Muraro E, Mastorci K, Dal Col J, Faè DA, Furlan C, Giagulli C, Caccuri F, Rusnati M, Fiorentini S, Carbone A, Caruso A, Dolcetti R. A natural HIV p17 protein variant up-regulates the LMP-1 EBV oncoprotein and promotes the growth of EBV-infected B-lymphocytes: implications for EBV-driven lymphomagenesis in the HIV setting. Int J Cancer 2015; 137:1374-85. [PMID: 25704763 DOI: 10.1002/ijc.29494] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2014] [Accepted: 02/12/2015] [Indexed: 01/11/2023]
Abstract
Human immunodeficiency virus p17 matrix protein is released by infected cells and may accumulate within lymphoid tissues where it may deregulate the biological activities of different cell populations by binding to CXCR1 and CXCR2 cellular receptors. S75X, a natural p17 variant, was recently shown to enhance the malignant properties of lymphoma cells. We investigated a reference p17 protein and the S75X variant for their ability to bind to Epstein-Barr virus (EBV)-infected primary and fully transformed B-lymphocytes and trigger downstream effects of potential pathogenic relevance. We demonstrate that EBV infection of primary B-lymphocytes or the ectopic expression of the latent membrane protein-1 viral oncoprotein in EBV-negative B-cells up-regulates CXCR2, but not CXCR1. Multispectral imaging flow cytometry showed that EBV-infected primary B-cells more efficiently bind and internalize p17 proteins as compared with activated B-lymphocytes. The S75X variant bound more efficiently to EBV-infected primary and fully transformed B-lymphocytes compared with reference p17, because of a higher affinity to CXCR2, and enhanced the proliferation of these cells, an effect associated with cyclin D2 and D3 up-regulation and increased interleukin-6 production. Notably, the S75X variant markedly up-regulated latent membrane protein-1 expression at both mRNA and protein levels and enhanced the activation of Akt, ERK1/2 and STAT3 signaling, thereby contributing to EBV(+) B-cell growth promotion. These results indicate that EBV infection sensitizes B-lymphocytes to CXCR2-mediated effects of p17 proteins and provide evidence supporting a possible contribution of natural p17 variants to EBV-driven lymphomagenesis in the human immunodeficiency virus setting.
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Affiliation(s)
- Debora Martorelli
- Cancer Bio-Immunotherapy Unit, CRO Aviano, IRCCS, National Cancer Institute, Aviano, Pordenone, Italy
| | - Elena Muraro
- Cancer Bio-Immunotherapy Unit, CRO Aviano, IRCCS, National Cancer Institute, Aviano, Pordenone, Italy
| | - Katy Mastorci
- Cancer Bio-Immunotherapy Unit, CRO Aviano, IRCCS, National Cancer Institute, Aviano, Pordenone, Italy
| | - Jessica Dal Col
- Cancer Bio-Immunotherapy Unit, CRO Aviano, IRCCS, National Cancer Institute, Aviano, Pordenone, Italy
| | - Damiana Antonia Faè
- Cancer Bio-Immunotherapy Unit, CRO Aviano, IRCCS, National Cancer Institute, Aviano, Pordenone, Italy
| | - Chiara Furlan
- Cancer Bio-Immunotherapy Unit, CRO Aviano, IRCCS, National Cancer Institute, Aviano, Pordenone, Italy.,Department of Molecular and Translational Medicine, University of Brescia Medical School, Brescia, Italy
| | - Cinzia Giagulli
- Department of Molecular and Translational Medicine, University of Brescia Medical School, Brescia, Italy
| | - Francesca Caccuri
- Department of Molecular and Translational Medicine, University of Brescia Medical School, Brescia, Italy
| | - Marco Rusnati
- Department of Molecular and Translational Medicine, University of Brescia Medical School, Brescia, Italy
| | - Simona Fiorentini
- Department of Molecular and Translational Medicine, University of Brescia Medical School, Brescia, Italy
| | - Antonino Carbone
- Pathology Unit, CRO Aviano, IRCCS, National Cancer Institute, Aviano, Pordenone, Italy
| | - Arnaldo Caruso
- Department of Molecular and Translational Medicine, University of Brescia Medical School, Brescia, Italy
| | - Riccardo Dolcetti
- Cancer Bio-Immunotherapy Unit, CRO Aviano, IRCCS, National Cancer Institute, Aviano, Pordenone, Italy
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18
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Role of fractalkine/CX3CL1 and its receptor in the pathogenesis of inflammatory and malignant diseases with emphasis on B cell malignancies. Mediators Inflamm 2014; 2014:480941. [PMID: 24799766 PMCID: PMC3985314 DOI: 10.1155/2014/480941] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2013] [Revised: 02/26/2014] [Accepted: 03/05/2014] [Indexed: 12/16/2022] Open
Abstract
Fractalkine/CX3CL1, the only member of the CX3C chemokine family, exists as a membrane-anchored molecule as well as in soluble form, each mediating different biological activities. It is constitutively expressed in many hematopoietic and nonhematopoietic tissues such as endothelial and epithelial cells, lymphocytes, neurons, microglial osteoblasts. The biological activities of CX3CL1 are mediated by CX3CR1, that is expressed on different cell types such as NK cells, CD14+ monocytes, cytotoxic effector T cells, B cells, neurons, microglia, smooth muscle cells, and tumor cells. The CX3CL1/CX3CR1 axis is involved in the pathogenesis of several inflammatory cancer including various B cell malignancies. In tumors the interaction between cancer cells and cellular microenvironment creates a context that may promote tumor growth, increase tumor survival, and facilitate metastasis. Therefore the role of the CX3CL1/CX3CR1 has attracted interest as to the development of potential therapeutic approaches. Here we review the different effects of the CX3CL1/CX3CR1 axis in several inflammatory and neurodegenerative diseases and in cancer, with emphasis on human B cell lymphomas.
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19
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Marginal zone lymphomas and infectious agents. Semin Cancer Biol 2013; 23:431-40. [PMID: 24090976 DOI: 10.1016/j.semcancer.2013.09.004] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2013] [Revised: 09/18/2013] [Accepted: 09/19/2013] [Indexed: 12/18/2022]
Abstract
A link with infectious agents, bacteria and viruses in particular, has been reported for many lymphoma entities. Marginal zone lymphomas (extranodal, nodal and splenic forms) are frequently associated with chronic infections, with important clinical, molecular, biological, and therapeutic implications. The well-known correlation between Helicobacter pylori and gastric MALT-lymphoma, the recently reported links between Chlamydophila psittaci and ocular adnexal MALT-lymphoma and Borrelia burgdorferi and cutaneous MALT lymphoma constitute the best studied examples of lymphomagenic activity of bacteria, while the hepatitis C virus represents the most extensively investigated virus associated with marginal zone lymphomas. Biological and clinical features, therapeutic implications and future perspectives of these lymphoma-microbial associations are discussed in this review.
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20
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Charbonneau B, Wang AH, Maurer MJ, Asmann YW, Zent CS, Link BK, Ansell SM, Weiner GJ, Ozsan N, Feldman AL, Witzig TE, Cunningham JM, Dogan A, Habermann TM, Slager SL, Novak AJ, Cerhan JR. CXCR5 polymorphisms in non-Hodgkin lymphoma risk and prognosis. Cancer Immunol Immunother 2013; 62:1475-84. [PMID: 23812490 PMCID: PMC3758443 DOI: 10.1007/s00262-013-1452-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2013] [Accepted: 06/13/2013] [Indexed: 12/22/2022]
Abstract
CXCR5 [chemokine (C-X-C motif) receptor 5; also known as Burkitt lymphoma receptor 1 (BCR1)] is expressed on mature B-cells, subsets of CD4+ and CD8+ T-cells, and skin-derived migratory dendritic cells. Together with its ligand, CXCL13, CXCR5 is involved in guiding B-cells into the B-cell zones of secondary lymphoid organs as well as T-cell migration. This study evaluated the role of common germline genetic variation in CXCR5 in the risk and prognosis of non-Hodgkin lymphoma (NHL) using a clinic-based study of 1,521 controls and 2,694 NHL cases including 710 chronic lymphocytic leukemia/small lymphocytic lymphoma, 586 diffuse large B-cell lymphoma (DLBCL), 588 follicular lymphoma (FL), 137 mantle cell lymphoma (MCL), 230 marginal zone lymphoma (MZL), and 158 peripheral T-cell lymphoma (PTCL). Of the ten CXCR5 tag SNPs in our study, five were associated with risk of NHL, with rs1790192 having the strongest association (OR 1.19, 95% CI 1.08-1.30; p = 0.0003). This SNP was most strongly associated with the risk of FL (OR 1.44, 95 % CI 1.25-1.66; p = 3.1 × 10(-7)), with a lower degree of association with DLBCL (OR 1.16, 95% CI 1.01-1.33; p = 0.04) and PTCL (OR 1.29, 95 % CI 1.02-1.64; p = 0.04) but no association with the risk of MCL or MZL. For FL patients that were observed as initial disease management, the number of minor alleles of rs1790192 was associated with better event-free survival (HR 0.64; 95% CI 0.47-0.87; p = 0.004). These results provide additional evidence for a role of host genetic variation in CXCR5 in lymphomagenesis, particularly for FL.
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Affiliation(s)
- Bridget Charbonneau
- Department of Health Sciences Research, College of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN USA
| | - Alice H. Wang
- Department of Health Sciences Research, College of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN USA
| | - Matthew J. Maurer
- Department of Health Sciences Research, College of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN USA
| | - Yan W. Asmann
- Department of Health Sciences Research, College of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN USA
| | - Clive S. Zent
- Division of Hematology, Department of Internal Medicine, College of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN USA
| | - Brian K. Link
- Division of Hematology, Oncology, Blood and Marrow Transplantation, Department of Internal Medicine, College of Medicine, University of Iowa, Iowa City, IA USA
| | - Stephen M. Ansell
- Division of Hematology, Department of Internal Medicine, College of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN USA
| | - George J. Weiner
- Division of Hematology, Oncology, Blood and Marrow Transplantation, Department of Internal Medicine, College of Medicine, University of Iowa, Iowa City, IA USA
| | - Nazan Ozsan
- Department of Pathology, Faculty of Medicine, Ege University, Bornova, İzmir Turkey
| | - Andrew L. Feldman
- Department of Laboratory Medicine and Pathology, College of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN USA
| | - Thomas E. Witzig
- Division of Hematology, Department of Internal Medicine, College of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN USA
| | - Julie M. Cunningham
- Department of Laboratory Medicine and Pathology, College of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN USA
| | - Ahmet Dogan
- Department of Laboratory Medicine and Pathology, College of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN USA
| | - Thomas M. Habermann
- Division of Hematology, Department of Internal Medicine, College of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN USA
| | - Susan L. Slager
- Department of Health Sciences Research, College of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN USA
| | - Anne J. Novak
- Division of Hematology, Department of Internal Medicine, College of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN USA
| | - James R. Cerhan
- Department of Health Sciences Research, College of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN USA
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21
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Hussain SK, Zhu W, Chang SC, Breen EC, Vendrame E, Magpantay L, Widney D, Conn D, Sehl M, Jacobson LP, Bream JH, Wolinsky S, Rinaldo CR, Ambinder RF, Detels R, Zhang ZF, Martínez-Maza O. Serum levels of the chemokine CXCL13, genetic variation in CXCL13 and its receptor CXCR5, and HIV-associated non-hodgkin B-cell lymphoma risk. Cancer Epidemiol Biomarkers Prev 2013; 22:295-307. [PMID: 23250934 PMCID: PMC3703445 DOI: 10.1158/1055-9965.epi-12-1122] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND CXCL13 and CXCR5 are a chemokine and receptor pair whose interaction is critical for naïve B-cell trafficking and activation within germinal centers. We sought to determine whether CXCL13 levels are elevated before HIV-associated non-Hodgkin B-cell lymphoma (AIDS-NHL), and whether polymorphisms in CXCL13 or CXCR5 are associated with AIDS-NHL risk and CXCL13 levels in a large cohort of HIV-infected men. METHODS CXCL13 levels were measured in sera from 179 AIDS-NHL cases and 179 controls at three time-points. TagSNPs in CXCL13 (n = 16) and CXCR5 (n = 11) were genotyped in 183 AIDS-NHL cases and 533 controls. OR and 95% confidence intervals (CI) for the associations between one unit increase in log CXCL13 levels and AIDS-NHL, as well as tagSNP genotypes and AIDS-NHL, were computed using logistic regression. Mixed linear regression was used to estimate mean ratios (MR) for the association between tagSNPs and CXCL13 levels. RESULTS CXCL13 levels were elevated for more than 3 years (OR = 3.24; 95% CI = 1.90-5.54), 1 to 3 years (OR = 3.39; 95% CI = 1.94-5.94), and 0 to 1 year (OR = 3.94; 95% CI = 1.98-7.81) before an AIDS-NHL diagnosis. The minor allele of CXCL13 rs355689 was associated with reduced AIDS-NHL risk (OR(TCvsTT) = 0.65; 95% CI = 0.45-0.96) and reduced CXCL13 levels (MR(CCvsTT) = 0.82; 95% CI = 0.68-0.99). The minor allele of CXCR5 rs630923 was associated with increased CXCL13 levels (MR(AAvsTT) = 2.40; 95% CI = 1.43-4.50). CONCLUSIONS CXCL13 levels were elevated preceding an AIDS-NHL diagnosis, genetic variation in CXCL13 may contribute to AIDS-NHL risk, and CXCL13 levels may be associated with genetic variation in CXCL13 and CXCR5. IMPACT CXCL13 may serve as a biomarker for early AIDS-NHL detection.
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MESH Headings
- Adult
- Aged
- Biomarkers, Tumor/blood
- Biomarkers, Tumor/genetics
- Case-Control Studies
- Chemokine CXCL13/blood
- Chemokine CXCL13/genetics
- Follow-Up Studies
- HIV Infections/blood
- HIV Infections/diagnosis
- HIV Infections/etiology
- Humans
- Lymphoma, AIDS-Related/blood
- Lymphoma, AIDS-Related/diagnosis
- Lymphoma, AIDS-Related/etiology
- Lymphoma, B-Cell/blood
- Lymphoma, B-Cell/diagnosis
- Lymphoma, B-Cell/etiology
- Male
- Middle Aged
- Polymorphism, Single Nucleotide/genetics
- Prognosis
- Prospective Studies
- Receptors, CXCR5/genetics
- Risk Factors
- Young Adult
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Affiliation(s)
- Shehnaz K Hussain
- Department of Epidemiology, Fielding School of Public Health, University of California Los Angeles (UCLA), Los Angeles, CA 90095, USA.
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22
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Deutsch AJA, Steinbauer E, Hofmann NA, Strunk D, Gerlza T, Beham-Schmid C, Schaider H, Neumeister P. Chemokine receptors in gastric MALT lymphoma: loss of CXCR4 and upregulation of CXCR7 is associated with progression to diffuse large B-cell lymphoma. Mod Pathol 2013; 26:182-94. [PMID: 22936065 DOI: 10.1038/modpathol.2012.134] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Chemokine receptors have a crucial role in the development and progression of lymphoid neoplasms. To determine the chemokine receptor expression profile in gastric mucosa-associated lymphoid tissue (MALT) lymphoma, we performed an expression analysis of 19 chemokine receptors at mRNA levels by using real-time RT-PCR, as well as of five chemokine receptors--CCR8, CCR9, CXCR4, CXCR6 and CXCR7--by immunohistochemistry on human tissue samples of Helicobacter pylori-associated gastritis, gastric MALT lymphoma and gastric extranodal diffuse large B-cell lymphoma originating from MALT lymphoma (transformed MALT lymphoma). Following malignant transformation from H. pylori-associated gastritis to MALT lymphoma, an upregulation of CCR7, CXCR3 and CXCR7, and a loss of CXCR4 were detected. The transformation of gastric MALT lymphomas to gastric extranodal diffuse large B-cell lymphoma was accompanied by upregulation of CCR1, CCR5, CCR7, CCR8, CCR9, CXCR3, CXCR6, CXCR7 and XCR1. Remarkably, CXCR4 expression was exclusively found in nodal marginal B-cell lymphomas and nodal diffuse large B-cell lymphomas but not at extranodal manifestation sites, ie, in gastric MALT lymphomas or gastric extranodal diffuse large B-cell lymphomas. Furthermore, the incidence of bone marrow infiltration (16/51 with bone marrow involvement vs 35/51 with bone marrow involvement; Spearman ρ=0467 P<0.001) positively correlated with CXCR4 expression. CXCL12, the ligand of CXCR4 and CXCR7, was expressed by epithelial, endothelial and inflammatory cells, MALT lymphoma cells and was most strongly expressed by extranodal diffuse large B-cell lymphoma cells, suggesting at least in part an autocrine signaling pathway. Our data indicate that CXCR4 expression is associated with nodal manifestation and a more advanced stage of lymphomas and hence, might serve as useful clinical prognostic marker.
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Affiliation(s)
- Alexander J A Deutsch
- Division of Hematology, Department of Internal Medicine, Medical University Graz, Graz, Austria.
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23
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Pang H, George SL, Hui K, Tong T. Gene selection using iterative feature elimination random forests for survival outcomes. IEEE/ACM TRANSACTIONS ON COMPUTATIONAL BIOLOGY AND BIOINFORMATICS 2012; 9:1422-31. [PMID: 22547432 PMCID: PMC3495190 DOI: 10.1109/tcbb.2012.63] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Although many feature selection methods for classification have been developed, there is a need to identify genes in high-dimensional data with censored survival outcomes. Traditional methods for gene selection in classification problems have several drawbacks. First, the majority of the gene selection approaches for classification are single-gene based. Second, many of the gene selection procedures are not embedded within the algorithm itself. The technique of random forests has been found to perform well in high-dimensional data settings with survival outcomes. It also has an embedded feature to identify variables of importance. Therefore, it is an ideal candidate for gene selection in high-dimensional data with survival outcomes. In this paper, we develop a novel method based on the random forests to identify a set of prognostic genes. We compare our method with several machine learning methods and various node split criteria using several real data sets. Our method performed well in both simulations and real data analysis.Additionally, we have shown the advantages of our approach over single-gene-based approaches. Our method incorporates multivariate correlations in microarray data for survival outcomes. The described method allows us to better utilize the information available from microarray data with survival outcomes.
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Affiliation(s)
- Herbert Pang
- Biostatistics and Bioinformatics Department, Duke University School of Medicine, Durham, NC 27705.
| | - Stephen L. George
- Biostatistics and Bioinformatics Department, Duke University School of Medicine, Durham, NC 27705.
| | - Ken Hui
- School of Medicine, Yale University, New Haven, CT 06510.
| | - Tiejun Tong
- Mathematics Department, Hong Kong Baptist University, Hong Kong SAR, China.
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Fernandez-Flores A. Comments on cutaneous lymphomas: since the WHO-2008 classification to present. Am J Dermatopathol 2011; 34:274-84. [PMID: 22126841 DOI: 10.1097/dad.0b013e31821b8bfe] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The last classification of lymphomas of the World Health Organization in 2008 made a few changes from the preceding classification. Although useful, at the same time, it has posed new questions, concerns, and dilemmas which have been raised in the literature. The current report highlights some of these controversies, of each of these primary cutaneous entities, going through cutaneous mature T-cell and NK-cell neoplasms, mature B-cell neoplasms, precursor neoplasms, and other entities, which for several reasons do not fit in the previous categories. It also reviews some advances on many of these lymphomas published in the last 2 years.
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Kraneveld AD, Braber S, Overbeek S, de Kruijf P, Koelink P, Smit MJ. Chemokine Receptors in Inflammatory Diseases. METHODS AND PRINCIPLES IN MEDICINAL CHEMISTRY 2011. [DOI: 10.1002/9783527631995.ch6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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26
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Yamashita Y, Kajiura D, Tang L, Hasegawa Y, Kinoshita T, Nakamura S, Akatsuka S, Toyokuni S, Mori N. XCR1 expression and biased VH gene usage are distinct features of diffuse large B-cell lymphoma initially manifesting in the bone marrow. Am J Clin Pathol 2011; 135:556-64. [PMID: 21411777 DOI: 10.1309/ajcpctdc5py3lxbp] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
A total of 29 cases of diffuse large B-cell lymphoma initially manifesting in the bone marrow (BM-DLBCL) were analyzed for V(H) gene sequence, and expression microarray of chemokines and chemokine receptors and immunohistochemical analysis were done. Seminested polymerase chain reaction (PCR) and sequencing analyses of 18 cases revealed that the V(H) gene usage in 6 cases was restricted to V(H)3-7, in 3 cases to V(H)4-34, and in 2 cases to V(H)4-39, which were all previously reported to be autoreactive. In total, 14 of 18 V(H) genes were those associated with autoimmune diseases, including V(H)3-21, V(H)3-23, and V(H)3-48. Furthermore, cDNA microarray analysis specific for chemokine and chemokine receptors revealed that chemokine receptor XCR1 expression was significantly elevated in the BM-DLBCL cases (P < .05), which was confirmed by quantitative reverse transcriptase-PCR and immunohistochemical analysis. Expression of the chemokine receptor XCR1 and frequent usage of autoreactive V(H) genes seem to be distinct characteristics of BM-DLBCL.
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Wolff HA, Rolke D, Rave-Fränk M, Schirmer M, Eicheler W, Doerfler A, Hille A, Hess CF, Matthias C, Rödel RMW, Christiansen H. Analysis of chemokine and chemokine receptor expression in squamous cell carcinoma of the head and neck (SCCHN) cell lines. RADIATION AND ENVIRONMENTAL BIOPHYSICS 2011; 50:145-154. [PMID: 21085979 PMCID: PMC3040826 DOI: 10.1007/s00411-010-0341-x] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2010] [Accepted: 11/01/2010] [Indexed: 05/30/2023]
Abstract
The purpose of this work was to analyze chemokine and chemokine receptor expression in untreated and in irradiated squamous cell carcinoma of the head and neck (SCCHN) tumor cell lines, aiming at the establishment of assays to test for the relevance of chemokine and chemokine receptor expression in the response of SCCHN to radiotherapy and radiochemotherapy. Five low passage and 10 established SCCHN lines, as well as two normal cell lines, were irradiated at 2 Gy or sham-irradiated, and harvested between 1 and 48 h after treatment. For chemokines with CC and CXC structural motifs and their receptors, transcript levels of target and reference genes were quantified relatively by real-time PCR. In addition, CXCL1 and CXCL12 protein expression was analyzed by ELISA. A substantial variation in chemokine and chemokine receptor expression between SCCHN was detected. Practically, all cell lines expressed CCL5 and CCL20, while CCL2 was expressed in normal cells and in some of the tumor cell lines. CXCL1, CXCL2, CXCL3, CXCL10, and CXCL11 were expressed in the vast majority of the cell lines, while the expression of CXCL9 and CXCL12 was restricted to fibroblasts and few tumor cell lines. None of the analyzed cell lines expressed the chemokines CCL3, CCL4, or CCL19. Of the receptors, transcript expression of CCR1, CCR2, CCR3, CCR5, CCR7, CCXR2, and CCXR3 was not detected, and CCR6, CXCR1, and CXCR4 expression was restricted to few tumor cells. Radiation caused up- and down-regulation with respect to chemokine expressions, while for chemokine receptor expressions down-regulations were prevailing. CXCL1 and CXCL12 protein expression corresponded well with the mRNA expression. We conclude that the substantial variation in chemokine and chemokine receptor expression between SCCHN offer opportunities for the establishment of assays to test for the relevance of chemokine and chemokine receptor expression in the response of SCCHN to radiotherapy and radiochemotherapy.
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MESH Headings
- Carcinoma, Squamous Cell/drug therapy
- Carcinoma, Squamous Cell/genetics
- Carcinoma, Squamous Cell/pathology
- Carcinoma, Squamous Cell/radiotherapy
- Cell Line, Tumor
- Chemokines/genetics
- Gene Expression Profiling
- Gene Expression Regulation, Neoplastic/drug effects
- Gene Expression Regulation, Neoplastic/radiation effects
- Head and Neck Neoplasms/drug therapy
- Head and Neck Neoplasms/genetics
- Head and Neck Neoplasms/pathology
- Head and Neck Neoplasms/radiotherapy
- Humans
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- Receptors, Chemokine/genetics
- Reproducibility of Results
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Affiliation(s)
- Hendrik A. Wolff
- Department of Radiotherapy and Radiation Oncology, Universitätsmedizin Göttingen, Göttingen, Germany
| | - David Rolke
- Department of Radiotherapy and Radiation Oncology, Universitätsmedizin Göttingen, Göttingen, Germany
| | - Margret Rave-Fränk
- Department of Radiotherapy and Radiation Oncology, Universitätsmedizin Göttingen, Göttingen, Germany
| | - Markus Schirmer
- Department of Pharmacology, Universitätsmedizin Göttingen, Göttingen, Germany
| | - Wolfgang Eicheler
- Department of Radiation Oncology, OncoRay-Center for Radiation Research in Oncology, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Annegret Doerfler
- Department of Radiation Oncology, OncoRay-Center for Radiation Research in Oncology, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Andrea Hille
- Department of Radiotherapy and Radiation Oncology, Universitätsmedizin Göttingen, Göttingen, Germany
| | - Clemens F. Hess
- Department of Radiotherapy and Radiation Oncology, Universitätsmedizin Göttingen, Göttingen, Germany
| | - Christoph Matthias
- Department of Otorhinolaryngology-Head and Neck Surgery, Universitätsmedizin Göttingen, Göttingen, Germany
| | - Ralph M. W. Rödel
- Department of Otorhinolaryngology-Head and Neck Surgery, Universitätsmedizin Göttingen, Göttingen, Germany
| | - Hans Christiansen
- Department of Radiotherapy and Radiation Oncology, Universitätsmedizin Göttingen, Göttingen, Germany
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Genome-wide DNA profiling of marginal zone lymphomas identifies subtype-specific lesions with an impact on the clinical outcome. Blood 2010; 117:1595-604. [PMID: 21115979 DOI: 10.1182/blood-2010-01-264275] [Citation(s) in RCA: 128] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Marginal zone B-cell lymphomas (MZLs) have been divided into 3 distinct subtypes (extranodal MZLs of mucosa-associated lymphoid tissue [MALT] type, nodal MZLs, and splenic MZLs). Nevertheless, the relationship between the subtypes is still unclear. We performed a comprehensive analysis of genomic DNA copy number changes in a very large series of MZL cases with the aim of addressing this question. Samples from 218 MZL patients (25 nodal, 57 MALT, 134 splenic, and 2 not better specified MZLs) were analyzed with the Affymetrix Human Mapping 250K SNP arrays, and the data combined with matched gene expression in 33 of 218 cases. MALT lymphoma presented significantly more frequently gains at 3p, 6p, 18p, and del(6q23) (TNFAIP3/A20), whereas splenic MZLs was associated with del(7q31), del(8p). Nodal MZLs did not show statistically significant differences compared with MALT lymphoma while lacking the splenic MZLs-related 7q losses. Gains of 3q and 18q were common to all 3 subtypes. del(8p) was often present together with del(17p) (TP53). Although del(17p) did not determine a worse outcome and del(8p) was only of borderline significance, the presence of both deletions had a highly significant negative impact on the outcome of splenic MZLs.
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Ahmadian Kia N, Bahrami AR, Ebrahimi M, Matin MM, Neshati Z, Almohaddesin MR, Aghdami N, Bidkhori HR. Comparative analysis of chemokine receptor's expression in mesenchymal stem cells derived from human bone marrow and adipose tissue. J Mol Neurosci 2010; 44:178-85. [PMID: 20938756 DOI: 10.1007/s12031-010-9446-6] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2010] [Accepted: 09/03/2010] [Indexed: 01/07/2023]
Abstract
Mesenchymal stem cells (MSCs) are considered as promising candidates for new clinical trials of cell therapies. Bone marrow (BM) was the first source reported to contain MSCs; however, using it may be detrimental due to the highly invasive aspiration procedures. More recently, adipose tissue, attainable by a less invasive method, has been introduced as an alternative source of MSCs. So far, MSCs derived from these two sources have been compared in different characters; however, one of the main properties, i.e., the expression of chemokine receptors, has been ignored in these comparisons. In the present study, human MSCs were derived from bone marrow and adipose tissues and characterized by their expression of some cell surface antigens and also differentiation capacity. The expression of five selected chemokine receptors, which seems to be important in cell homing, was also compared. Semiquantitative reverse transcription-polymerase chain reaction method was used to assess gene expression levels of these chemokine receptors. Our results indicate that expression of these receptors in human MSCs, derived from adipose tissue, was higher than MSCs from bone marrow. Chemokine receptors and their ligands and adhesion molecules play an important role in tissue-specific homing of leukocytes and have also been implicated in trafficking of hematopoietic precursors into and through tissues. Therefore, MSCs from adipose tissue may show a better migration and homing capacity and they might be a better candidate for therapeutic purposes.
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Expression and Function of the Chemokine, CXCL13, and Its Receptor, CXCR5, in Aids-Associated Non-Hodgkin's Lymphoma. AIDS Res Treat 2010; 2010:164586. [PMID: 21490903 PMCID: PMC3065842 DOI: 10.1155/2010/164586] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2010] [Accepted: 06/23/2010] [Indexed: 12/04/2022] Open
Abstract
Background. The homeostatic chemokine, CXCL13 (BLC, BCA-1), helps direct the recirculation of mature, resting B cells, which express its receptor, CXCR5. CXCL13/CXCR5 are expressed, and may play a role, in some non-AIDS-associated B cell tumors. Objective. To determine if CXCL13/CXCR5 are associated with AIDS-related non-Hodgkin's lymphoma (AIDS-NHL). Methods. Serum CXCL13 levels were measured by ELISA in 46 subjects who developed AIDS-NHL in the Multicenter AIDS Cohort Study and in controls. The expression or function of CXCL13 and CXCR5 was examined on primary AIDS-NHL specimens or AIDS-NHL cell lines. Results. Serum CXCL13 levels were significantly elevated in the AIDS-NHL group compared to controls. All primary AIDS-NHL specimens showed CXCR5 expression and most also showed CXCL13 expression. AIDS-NHL cell lines expressed CXCR5 and showed chemotaxis towards CXCL13. Conclusions. CXCL13/CXCR5 are expressed in AIDS-NHL and could potentially be involved in its biology. CXCL13 may have potential as a biomarker for AIDS-NHL.
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31
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Sp1 upregulates the four and half lim 2 (FHL2) expression in gastrointestinal cancers through transcription regulation. Mol Carcinog 2010; 49:826-36. [DOI: 10.1002/mc.20659] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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32
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Nemajerova A, Petrenko O, Trümper L, Palacios G, Moll UM. Loss of p73 promotes dissemination of Myc-induced B cell lymphomas in mice. J Clin Invest 2010; 120:2070-80. [PMID: 20484818 DOI: 10.1172/jci40331] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2009] [Accepted: 03/24/2010] [Indexed: 01/07/2023] Open
Abstract
Mice engineered to express c-Myc in B cells (Emu-myc mice) develop lethal lymphomas in which the gene encoding the p53 tumor suppressor is frequently mutated. Whether the p53 homolog p73 also functions as a tumor suppressor in vivo remains controversial. Here we have shown that p73 loss does not substantially affect disease onset and mortality in Emu-myc mice. However, it does alter the phenotype of the disease. Specifically, p73 loss decreased nodal disease and increased widespread extranodal dissemination. We further found that p53 acted as the dominant tumor suppressor during the onset of Emu-myc-driven B cell lymphomagenesis, while p73 modulated tumor dissemination and extranodal growth. Immunophenotyping and expression profiling suggested that p73 loss allowed increased maturation of malignant B cells and deregulated genes involved in lymphocyte homing and dissemination of human lymphomas. Consistent with this, p73 expression was frequently downregulated in a large cohort of human mature aggressive B cell lymphomas, and both the incidence and degree of p73 downregulation in these tumors correlated with their extranodal dissemination status. These data indicate that p73 is a modifier of Myc-driven lymphomas in mice, favoring tumor dissemination, and suggest that p73 could be a biomarker for human B cell lymphoma dissemination, a notion that can now be tested in clinicopathologic correlation studies.
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Affiliation(s)
- Alice Nemajerova
- Department of Pathology, Stony Brook University, Stony Brook, New York 11794, USA
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Anderson MW, Zhao S, Ai WZ, Tibshirani R, Levy R, Lossos IS, Natkunam Y. C-C chemokine receptor 1 expression in human hematolymphoid neoplasia. Am J Clin Pathol 2010; 133:473-83. [PMID: 20154287 DOI: 10.1309/ajcp1ta3floqtmhf] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Chemokine receptor 1 (CCR1) is a G protein-coupled receptor that binds to members of the C-C chemokine family. Recently, CCL3 (MIP-1alpha), a high-affinity CCR1 ligand, was identified as part of a model that independently predicts survival in patients with diffuse large B-cell lymphoma (DLBCL). However, the role of chemokine signaling in the pathogenesis of human lymphomas is unclear. In normal human hematopoietic tissues, we found CCR1 expression in intraepithelial B cells of human tonsil and granulocytic/monocytic cells in the bone marrow. Immunohistochemical analysis of 944 cases of hematolymphoid neoplasia identified CCR1 expression in a subset of B- and T-cell lymphomas, plasma cell myeloma, acute myeloid leukemia, and classical Hodgkin lymphoma. CCR1 expression correlated with the non-germinal center subtype of DLBCL but did not predict overall survival in follicular lymphoma. These data suggest that CCR1 may be useful for lymphoma classification and support a role for chemokine signaling in the pathogenesis of hematolymphoid neoplasia.
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Wang W, Wang X, Peng L, Deng Q, Liang Y, Qing H, Jiang B. CD24-dependent MAPK pathway activation is required for colorectal cancer cell proliferation. Cancer Sci 2010; 101:112-9. [PMID: 19860845 PMCID: PMC11159715 DOI: 10.1111/j.1349-7006.2009.01370.x] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
CD24 is a glycosylphosphatidylinositol-anchored membrane protein reported to be overexpressed in human tumorigenesis and progression. Our purpose was to determine the role of CD24 in the proliferation of colorectal cancer cells and the potential mechanisms in this process. Our data showed that CD24 promoted cell growth and induced activation of extracellular signal-regulated kinases, Raf-1, and p38 mitogen-activated protein kinase. Furthermore, suppression of extracellular signal-regulated kinases and p38 mitogen-activated protein kinase activity by their specific inhibitors, U0126 and SB203580, abrogated CD24-induced proliferation in vitro. By tumorigenicity assay in female BALB/c nude mice, we further demonstrated that CD24 promoted tumor growth in vivo. Immunohistochemical analysis revealed that CD24 expression occurred in 92.5% of human colorectal cancer tissue, and increased with tumor progression. More importantly, the stainings of phospho-extracellular signal-regulated kinases and phospho-p38 mitogen-activated protein kinase were strongly correlated with CD24 expression. Taken together, our data suggest that CD24-dependent extracellular signal-regulated kinases and p38 mitogen-activated protein kinase activations are required for colorectal cancer cell proliferation in vitro and in vivo. The linkage of CD24 and the mitogen-activated protein kinase pathway may unravel a novel mechanism in the regulation of colorectal cancer proliferation.
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Affiliation(s)
- Weifei Wang
- Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, China
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Uddin S, Khan AS, Al-Kuraya KS. Developing curcumin into a viable therapeutic for lymphoma. Expert Opin Investig Drugs 2009; 18:57-67. [PMID: 19053882 DOI: 10.1517/13543780802594593] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND Emerging evidence suggests that natural plant ingredients have played an important role in the healthcare of many countries. Several of these natural plant products possess therapeutic potential for various diseases including cancer. Curcumin is the pigment of turmeric, a well-known chemopreventive agent that has been shown to suppress the proliferation of a wide variety of tumor cells, including lymphoma. Curcumin has been shown to have cancer chemopreventive potential against a variety of tumors via targeting key survival pathways that are aberrantly activated in cancer cells. METHODS This review discusses therapeutic potential of curcumin in malignancies of lymphoma as well as therapeutic implications of the recent advances in the field. RESULTS/CONCLUSION Dietary-compound curcumin hardwires to multiple cellular processes. Suppression of cell proliferation, induction of apoptosis, and inhibition of metastasis are considered to be the major mechanisms underlying its anticancer properties.
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Affiliation(s)
- Shahab Uddin
- Human Cancer Genomic Research, King Fahad National Center for Children's Cancer & Research, King Faisal Specialist Hospital & Research Center, MBC #98-16, PO Box 3354, Riyadh 11211, Saudi Arabia.
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Nam H, Ahn YC, Kim YD, Ko Y, Kim WS. Prognostic significance of anatomic subsites: Results of radiation therapy for 66 patients with localized orbital marginal zone B cell lymphoma. Radiother Oncol 2009; 90:236-41. [DOI: 10.1016/j.radonc.2008.09.011] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2008] [Revised: 09/09/2008] [Accepted: 09/09/2008] [Indexed: 10/21/2022]
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