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Čelakovská J, Čermákova E, Boudková P, Andrýs C, Krejsek J. The association between expression of CD200 on B lymphocytes and the count of eosinophils and basophils in atopic dermatitis patients with and without dupilumab therapy - Pilot study. Int Immunopharmacol 2024; 132:112023. [PMID: 38603859 DOI: 10.1016/j.intimp.2024.112023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 04/03/2024] [Accepted: 04/04/2024] [Indexed: 04/13/2024]
Abstract
BACKGROUND Eosinophils and basophils are implicated in allergic reactions, and the molecule CD200 on B cells may have regulatory functions. Assessing the associations between the expression of CD200 on B lymphocytes and eosinophils and basophils helps unravel the complex immune interactions in atopic dermatitis, aiding in targeted therapeutic approaches. OBJECTIVE The aim of our study is to evaluate the association between the count of eosinophils, basophils, CD16+ eosinophils, CD203+ basophils, the expression of activation marker CD200 on B cells and on their subsets in patients suffering from atopic dermatitis with and without dupilumab and in control group. MATERIALS AND METHODS Altogether we examined 75 subjects: 45 patients suffering from atopic dermatitis -32 patients without dupilumab treatment, 13 patients with dupilumab treatment and 30 subjects as a control group. Immunophenotype was examined by flow cytometry in which monoclonal antibodies with fluorescent molecules were used. For statistical analysis we used non-parametric Kruskal-Wallis one-factor analysis of variance with post-hoc by Dunn's test with Bonferroni modification and the Spearman's rank correlation coefficient with calculation of R2 (%, percent of Variation Explained). RESULTS In patients with dupilumab therapy we confirmed the association between absolute eosinophils and expression of molecule CD200 on total B lymphocytes (in 23.9 %), non-switched (in 27.2 %), naive (in 25 %) and memory (in 20.3 %) B lymphocytes and between relative eosinophils and expression of CD200 on total B lymphocytes (in 22.8 % %), non-switched (in 29 %), naive (in 21.3 %) and memory (in 22.3 %) B lymphocytes. This association is low in AD patients without dupilumab and even non linear in control healthy subjects. CONCLUSION The higher association between eosinophils and expression of CD200 molecule on memory, naive and non switched B lymphocytes in AD patients under dupilumab therapy suggests that activation of B lymphocytes is caused by IL-4, whose production involves eosinophils and the CD200 molecule on B lymphocytes.
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Affiliation(s)
- J Čelakovská
- Department of Dermatology and Venereology Faculty Hospital and Medical Faculty of Charles University, Hradec Králové, 50002, Czech Republic.
| | - E Čermákova
- Department of Medical Biophysics, Medical Faculty of Charles University, Hradec Králové, 50002, Czech Republic
| | - P Boudková
- Department of Clinical Immunology and Allergy, Faculty Hospital and Medical Faculty of Charles University, Hradec Králové, 50002, Czech Republic
| | - C Andrýs
- Department of Clinical Immunology and Allergy, Faculty Hospital and Medical Faculty of Charles University, Hradec Králové, 50002, Czech Republic
| | - J Krejsek
- Department of Clinical Immunology and Allergy, Faculty Hospital and Medical Faculty of Charles University, Hradec Králové, 50002, Czech Republic
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2
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Al-Zubaidi HK, Hughes SF. The Use of CD200 in the Differential Diagnosis of B-Cell Lymphoproliferative Disorders. Br J Biomed Sci 2023; 80:11573. [PMID: 37822353 PMCID: PMC10563807 DOI: 10.3389/bjbs.2023.11573] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 09/15/2023] [Indexed: 10/13/2023]
Abstract
Background: B-Cell Lymphoproliferative Disorders (B-LPDs) are a group of heterogenous disorders characterised by the accumulation of B-cells in peripheral blood, bone marrow, lymph nodes and spleen. They have a variable disease course and outcome and many share similar features making differential diagnosis challenging. Therefore, accurate diagnosis is fundamental in particular for determining treatment options. Immunophenotyping by flow cytometry plays a crucial role in the diagnosis of B-LPDs. However, overlapping immunophenotyping patterns exist and the use of novel monoclonal antibodies has become increasingly important in immunophenotyping analysis. More recently differential expression of CD200 has been reported in various B-LPDs and that CD200 may improve the differentiation between chronic lymphocytic leukaemia (CLL) and mantle cell lymphoma (MCL). In this study CD200 expression is evaluated in different B-LPDs. Methods: A total of 100 samples were collected and analysed by immunophenotyping flow cytometry over a period of 1 year (2017-2018), by a panel of monoclonal antibodies including CD200. The percentage of CD200 and its expression intensity was evaluated and compared between different groups of B-LPDs. Results: All of the 50 cases of CLL expressed CD200 with moderate to bright intensity, 6 MCL cases lacked the expression of CD200. Furthermore, all 5 cases of hairy cell leukaemia (HCL) expressed CD200. Out of all B-LPDs evaluated, CD200 expression in HCL cases was noted to be the brightest. The other 39 cases were not found to be B-LPDs. Conclusion: CD200 has an important role in differentiating CLL from MCL, HCL has a consistent bright expression of CD200. By adding CD200 to the combinations of markers in routine testing panel, Immunophenotyping by flow cytometry can be an effective tool in the diagnosis of B-LPDs especially in cases with atypical immunophenotyping pattern. Our result support that CD200 can be added to routine testing panel as it is useful in differentiating them.
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MESH Headings
- Humans
- Antibodies, Monoclonal/metabolism
- B-Lymphocytes/metabolism
- B-Lymphocytes/pathology
- Diagnosis, Differential
- Flow Cytometry
- Immunophenotyping
- Leukemia, Lymphocytic, Chronic, B-Cell/diagnosis
- Leukemia, Lymphocytic, Chronic, B-Cell/metabolism
- Lymphoma, Mantle-Cell/diagnosis
- Lymphoma, Mantle-Cell/pathology
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Affiliation(s)
- Hanaan Kareem Al-Zubaidi
- Pathology Department, Ysbyty Gwynedd, Betsi Cadwaladr University Health Board, Bangor, United Kingdom
| | - Stephen Fôn Hughes
- Maelor Academic Unite (MAU), Betsi Cadwaladr University Health Board, Wrexham, United Kingdom
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3
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Vangala N, Divya P, Uppin M, Uppin S, Gundeti S, Bacchu S, Radhika KK, Parvathi A, Paul T. Utility of CD200 expression by flow cytometry in lymphoproliferative disorders and plasma cell dyscrasias. MEDICAL JOURNAL OF DR. D.Y. PATIL VIDYAPEETH 2022. [DOI: 10.4103/mjdrdypu.mjdrdypu_373_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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4
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Staub RB, Marcondes NA, Rotta LN. CD200 expression in hematopoietic neoplasms: Beyond a marker for diagnosis of B-cell neoplasms. Crit Rev Oncol Hematol 2021; 167:103509. [PMID: 34688895 DOI: 10.1016/j.critrevonc.2021.103509] [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: 04/25/2021] [Revised: 08/31/2021] [Accepted: 10/10/2021] [Indexed: 10/20/2022] Open
Abstract
CD200 (OX-2) is expressed in myeloid cells, B cells, subsets of T cells and on other normal and neoplastic non-hematopoietic cells. It interacts with CD200R and has a suppressive effect on T cells immune mediated response. We aimed to review CD200 expression and its role in the immune evasion of non-B cell hematopoietic neoplasms. In acute myeloid leukemia, CD200 seems to be related to the worst outcome, even in diseases of good prognosis, possibly due to an immunosuppressive effect. In plasma cell myeloma studies, while some have associated CD200 expression with worst prognosis possibly due to its suppressive effect on monocyte and T cell-mediated immune response, in others CD200 appeared to be a marker of a better outcome, or even showed no impact in event-free survival (EFS). Few studies have evaluated CD200 expression in T cell neoplasms; however, it appears to be a good immunophenotypic marker for angioimmunoblastic T cell lymphoma. In conclusion, CD200 appears to be involved in the immune evasion of malignant cells, which could affect the survival of these patients.
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Affiliation(s)
- Renata B Staub
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Brazil
| | | | - Liane N Rotta
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Brazil; Departamento de Métodos Diagnósticos, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Brazil.
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5
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van der Vlist M, Ramos MIP, van den Hoogen LL, Hiddingh S, Timmerman LM, de Hond TAP, Kaan ED, van der Kroef M, Lebbink RJ, Peters FMA, Khoury-Hanold W, Fritsch-Stork R, Radstake TRDJ, Meyaard L. Signaling by the inhibitory receptor CD200R is rewired by type I interferon. Sci Signal 2021; 14:eabb4324. [PMID: 34637328 DOI: 10.1126/scisignal.abb4324] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
CD200 receptor 1 (CD200R) is an inhibitory immunoreceptor that suppresses Toll-like receptor (TLR)–induced cytokine production through the adaptor protein Dok2 and the GTPase activating protein (GAP) p120-RasGAP, which can be cleaved during mild cellular stress. We found that in the presence of cleaved p120-RasGAP, CD200R lost its capacity to inhibit phosphorylation of ribosomal S6 protein (rpS6), suggesting the reduced activity of mammalian target of rapamycin complex 1 (mTORC1). Furthermore, treatment of human peripheral blood mononuclear cells (PBMC) with interferon-α (IFN-α) resulted in increased amounts of cleaved p120-RasGAP. Upon pretreatment of cells with increasing concentrations of IFN-α, CD200R switched from inhibiting to potentiating the TLR7- and TLR8-induced expression of the gene encoding IFN-γ, a cytokine that is important for innate and adaptive immunity and is implicated in systemic lupus erythematosus (SLE) pathogenesis. PBMC from patients with SLE, a prototypic type I IFN disease, had an increased abundance of cleaved p120-RasGAP compared to that in cells from healthy controls. In a subset of SLE patients, CD200R stopped functioning as an inhibitory receptor or potentiated TLR-induced IFNG mRNA expression. Thus, our data suggest that type I IFN rewires CD200R signaling to be proinflammatory, which could contribute to the perpetuation of inflammation in patients with SLE.
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Affiliation(s)
- Michiel van der Vlist
- Center for Translational Immunology, Department of Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands.,Oncode Institute, Utrecht, Netherlands
| | - M Inês Pascoal Ramos
- Center for Translational Immunology, Department of Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands.,Oncode Institute, Utrecht, Netherlands
| | - Lucas L van den Hoogen
- Center for Translational Immunology, Department of Rheumatology and Clinical Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Sanne Hiddingh
- Center for Translational Immunology, Department of Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands
| | - Laura M Timmerman
- Center for Translational Immunology, Department of Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands.,Oncode Institute, Utrecht, Netherlands
| | - Titus A P de Hond
- Center for Translational Immunology, Department of Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands.,Oncode Institute, Utrecht, Netherlands
| | - Ellen D Kaan
- Center for Translational Immunology, Department of Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands.,Oncode Institute, Utrecht, Netherlands
| | - Maarten van der Kroef
- Center for Translational Immunology, Department of Rheumatology and Clinical Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Robert Jan Lebbink
- Department of Medical Microbiology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands
| | - Florence M A Peters
- Center for Translational Immunology, Department of Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands
| | - William Khoury-Hanold
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Ruth Fritsch-Stork
- Center for Translational Immunology, Department of Rheumatology and Clinical Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Timothy R D J Radstake
- Center for Translational Immunology, Department of Rheumatology and Clinical Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Linde Meyaard
- Center for Translational Immunology, Department of Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands.,Oncode Institute, Utrecht, Netherlands
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6
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D'Arena G, De Feo V, Pietrantuono G, Seneca E, Mansueto G, Villani O, La Rocca F, D'Auria F, Statuto T, Valvano L, Arruga F, Deaglio S, Efremov DG, Sgambato A, Laurenti L. CD200 and Chronic Lymphocytic Leukemia: Biological and Clinical Relevance. Front Oncol 2020; 10:584427. [PMID: 33324560 PMCID: PMC7727446 DOI: 10.3389/fonc.2020.584427] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 10/27/2020] [Indexed: 12/28/2022] Open
Abstract
CD200, a transmembrane type Ia glycoprotein belonging to the immunoglobulin protein superfamily, is broadly expressed on a wide variety of cell types, such as B lymphocytes, a subset of T lymphocytes, dendritic cells, endothelial and neuronal cells. It delivers immunosuppressive signals through its receptor CD200R, which is expressed on monocytes/myeloid cells and T lymphocytes. Moreover, interaction of CD200 with CD200R has also been reported to play a role in the regulation of tumor immunity. Overexpression of CD200 has been reported in chronic lymphocytic leukemia (CLL) and hairy cell leukemia but not in mantle cell lymphoma, thus helping to better discriminate between these different B cell malignancies with different prognosis. In this review, we focus on the role of CD200 expression in the differential diagnosis of mature B-cell neoplasms and on the prognostic significance of CD200 expression in CLL, where conflicting results have been published so far. Of interest, increasing evidences indicate that anti-CD200 treatment might be therapeutically beneficial for treating CD200-expressing malignancies, such as CLL.
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Affiliation(s)
- Giovanni D'Arena
- Hematology, "S. Luca" Hospital, ASL Salerno, Vallo della Lucania, Italy
| | - Vincenzo De Feo
- Department of Pharmaceutical and Biomedical Sciences, University of Salerno, Salerno, Italy
| | - Giuseppe Pietrantuono
- Hematology and Stem Cell Transplantation Unit, IRCCS Centro di Riferimento Oncologico della Basilicata, Rionero in Vulture, Italy
| | - Elisa Seneca
- Hematology and Stem Cell Transplantation Unit, IRCCS Centro di Riferimento Oncologico della Basilicata, Rionero in Vulture, Italy
| | - Giovanna Mansueto
- Hematology and Stem Cell Transplantation Unit, IRCCS Centro di Riferimento Oncologico della Basilicata, Rionero in Vulture, Italy
| | - Oreste Villani
- Hematology and Stem Cell Transplantation Unit, IRCCS Centro di Riferimento Oncologico della Basilicata, Rionero in Vulture, Italy
| | - Francesco La Rocca
- Laboratory of Preclinical and Translational Diagnostics, IRCCS Centro di Riferimento Oncologico della Basilicata, Rionero in Vulture, Italy
| | - Fiorella D'Auria
- Laboratory of Clinical Research and Advanced Diagnostics, IRCCS Centro di Riferimento Oncologico della Basilicata, Rionero in Vulture, Italy
| | - Teodora Statuto
- Laboratory of Clinical Research and Advanced Diagnostics, IRCCS Centro di Riferimento Oncologico della Basilicata, Rionero in Vulture, Italy
| | - Luciana Valvano
- Laboratory of Clinical Research and Advanced Diagnostics, IRCCS Centro di Riferimento Oncologico della Basilicata, Rionero in Vulture, Italy
| | - Francesca Arruga
- Cancer Immunogenetics Unit, Department of Medical Sciences, Molecular Biotechnology Center, University of Turin, Turin, Italy
| | - Silvia Deaglio
- Cancer Immunogenetics Unit, Department of Medical Sciences, Molecular Biotechnology Center, University of Turin, Turin, Italy
| | - Dimitar G Efremov
- Molecular Hematology, International Centre for Genetic Engineering and Biotechnology, Trieste, Italy
| | - Alessandro Sgambato
- Scientific Direction, IRCCS Centro di Riferimento Oncologico della Basilicata, Rionero in Vulture, Italy
| | - Luca Laurenti
- Hematology Institute, IRCCS Fondazione Policlinico Universitario A. Gemelli, Rome, Italy
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7
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Vaughan JW, Shi M, Horna P, Olteanu H. Increased CD200 expression in post-transplant lymphoproliferative disorders correlates with an increased frequency of FoxP3(+) regulatory T cells. Ann Diagn Pathol 2020; 48:151585. [PMID: 32829067 DOI: 10.1016/j.anndiagpath.2020.151585] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 07/30/2020] [Accepted: 07/30/2020] [Indexed: 10/23/2022]
Abstract
CD200 is a membrane protein with immunosuppressive function and is expressed in many hematopoietic neoplasms, including acute myeloid leukemia (AML), plasma cell myeloma (PCM), and B-cell lymphoproliferative disorders, but is mostly negative in diffuse large cell lymphoma (DLBCL). CD200 has been shown to be a poor prognostic marker in AML and PCM; in AML, its immunomodulatory effect was linked to its ability to induce FoxP3(+) regulatory T cells (Tregs). Post-transplant lymphoproliferative disorders (PTLDs) arise in the setting of immune dysregulation, and tumor-infiltrating T cells, including Tregs, have been shown to correlate with outcome in these disorders. Because there is no literature data and CD200 is a potentially useful diagnostic and prognostic marker, we studied the expression of CD200 in a series of 38 PTLDs by immunohistochemistry (ICH), and found that 23.7% PTLDs were CD200(+) and showed strong membrane and cytoplasmic positivity in the neoplastic cells. All CD200(+) monomorphic PTLDs were DLBCLs and the median FoxP3(+) Treg count/hpf was higher in CD200(+) than in CD200(-) PTLDs: 22.6 vs. 0.30 (p < 0.001). These results indicated that almost a quarter of PTLDs in our series are CD200(+) by IHC, and CD200 expression correlates with the frequency of immunosuppressive Tregs. This is novel data and supports a pathophysiologic link between CD200 activity and Tregs. In our series, the 5-year overall survival was shorter in CD200(+) PTLDs, compared to CD200(-) patients, although this difference did not reach statistical significance. In addition, we find a higher proportion of CD200(+) monomorphic PTLD-DLBCLs (31.0%), as compared to de novo DLBCLs (7-8%, as found here and in other studies). This may indicate differential expression of CD200 in B-cell lymphomas arising in the setting of immune dysregulation, and raises the possibility of anti-CD200 immunotherapy for these cases.
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Affiliation(s)
- James W Vaughan
- Department of Pathology, University of Tennessee Graduate School of Medicine, Knoxville, TN, United States of America
| | - Min Shi
- Division of Hematopathology, Department of Pathology and Laboratory Medicine, Mayo Clinic, Rochester, MN, United States of America
| | - Pedro Horna
- Division of Hematopathology, Department of Pathology and Laboratory Medicine, Mayo Clinic, Rochester, MN, United States of America
| | - Horatiu Olteanu
- Division of Hematopathology, Department of Pathology and Laboratory Medicine, Mayo Clinic, Rochester, MN, United States of America.
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8
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Neophytou CM, Pierides C, Christodoulou MI, Costeas P, Kyriakou TC, Papageorgis P. The Role of Tumor-Associated Myeloid Cells in Modulating Cancer Therapy. Front Oncol 2020; 10:899. [PMID: 32656079 PMCID: PMC7325995 DOI: 10.3389/fonc.2020.00899] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 05/07/2020] [Indexed: 12/20/2022] Open
Abstract
Myeloid cells include various cellular subtypes that are distinguished into mononuclear and polymorphonuclear cells, derived from either common myeloid progenitor cells (CMPs) or myeloid stem cells. They play pivotal roles in innate immunity since, following invasion by pathogens, myeloid cells are recruited and initiate phagocytosis and secretion of inflammatory cytokines into local tissues. Moreover, mounting evidence suggests that myeloid cells may also regulate cancer development by infiltrating the tumor to directly interact with cancer cells or by affecting the tumor microenvironment. Importantly, mononuclear phagocytes, including macrophages and dendritic cells (DCs), can have either a positive or negative impact on the efficacy of chemotherapy, radiotherapy as well as targeted anti-cancer therapies. Tumor-associated macrophages (TAMs), profusely found in the tumor stroma, can promote resistance to chemotherapeutic drugs, such as Taxol and Paclitaxel, whereas the suppression of TAMs can lead to an improved radiotherapy outcome. On the contrary, the presence of TAMs may be beneficial for targeted therapies as they can facilitate the accumulation of large quantities of nanoparticles carrying therapeutic compounds. Tumor infiltrating DCs, however, are generally thought to enhance cytotoxic therapies, including those using anthracyclines. This review focuses on the role of tumor-infiltrating and stroma myeloid cells in modulating tumor responses to various treatments. We herein report the impact of myeloid cells in a number of therapeutic approaches across a wide range of malignancies, as well as the efforts toward the elimination of myeloid cells or the exploitation of their presence for the enhancement of therapeutic efficacy against cancer.
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Affiliation(s)
- Christiana M Neophytou
- European University Research Centre, Nicosia, Cyprus.,Department of Life Sciences, School of Sciences, European University Cyprus, Nicosia, Cyprus
| | - Chryso Pierides
- The Center for the Study of Haematological Malignancies, Nicosia, Cyprus
| | | | - Paul Costeas
- The Center for the Study of Haematological Malignancies, Nicosia, Cyprus.,The Cyprus Cancer Research Institute, Nicosia, Cyprus
| | | | - Panagiotis Papageorgis
- European University Research Centre, Nicosia, Cyprus.,Department of Life Sciences, School of Sciences, European University Cyprus, Nicosia, Cyprus
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9
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Liu JQ, Hu A, Zhu J, Yu J, Talebian F, Bai XF. CD200-CD200R Pathway in the Regulation of Tumor Immune Microenvironment and Immunotherapy. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1223:155-165. [PMID: 32030689 DOI: 10.1007/978-3-030-35582-1_8] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Tumor-associated inflammation and immune responses are key components in the tumor microenvironment (TME) which regulate tumor growth, progression, and metastasis. Tumor-associated myeloid cells (TAMCs) are a group of cells that play multiple key roles including induction of tumor-associated inflammation/angiogenesis and regulation of tumor-specific T-cell responses. Thus, identification and characterization of key pathways that can regulate TAMCs are of critical importance for developing cancer immunotherapy. Recent studies suggest that CD200-CD200 receptor (CD200R) interaction may be important in regulating the TME via affecting TAMCs. In this chapter, we will give a brief overview of the CD200-CD200R axis, including the biology behind CD200-CD200R interaction and the role(s) it plays in tumor microenvironment and tumor growth, and activation/effector functions of T cells. We will also discuss CD200-CD200R's role as potential checkpoint molecules for cancer immunotherapy. Further investigation of the CD200-CD200R pathway will not only advance our understanding of tumor pathogenesis and immunity but also provide the rationale for CD200-CD200R-targeted immunotherapy of human cancer.
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Affiliation(s)
- Jin-Qing Liu
- Department of Pathology, College of Medicine and Comprehensive Cancer Center, Ohio State University, Columbus, OH, USA
| | - Aiyan Hu
- Department of Pathology, College of Medicine and Comprehensive Cancer Center, Ohio State University, Columbus, OH, USA.,Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jianmin Zhu
- Department of Pathology, College of Medicine and Comprehensive Cancer Center, Ohio State University, Columbus, OH, USA.,Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jianyu Yu
- Department of Pathology, College of Medicine and Comprehensive Cancer Center, Ohio State University, Columbus, OH, USA.,Department of Gastroenterology, Guangdong Provincial Key Laboratory of Gastroenterology, Nan Fang Hospital, Southern Medical University, Guangzhou, China
| | - Fatemeh Talebian
- Department of Pathology, College of Medicine and Comprehensive Cancer Center, Ohio State University, Columbus, OH, USA
| | - Xue-Feng Bai
- Department of Pathology, College of Medicine and Comprehensive Cancer Center, Ohio State University, Columbus, OH, USA.
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10
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Vosoughi T, Bagheri M, Hosseinzadeh M, Ehsanpour A, Davari N, Saki N. CD markers variations in chronic lymphocytic leukemia: New insights into prognosis. J Cell Physiol 2019; 234:19420-19439. [PMID: 31049958 DOI: 10.1002/jcp.28724] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 03/31/2019] [Accepted: 04/11/2019] [Indexed: 12/31/2022]
Abstract
Chronic lymphocytic leukemia (CLL) is one of the most commonly occurring adult leukemias that is associated with clonal accumulation of mature apoptosis-resistant B-cells in bone marrow, peripheral blood, and specific tissues. Different pathogenesis factors can contribute to the aggression of the clinical course in this disease. Cytogenetic abnormalities and surface biomarkers of neoplastic CLL cells can be effective in the outcome of CLL, and the examination of changing CD markers expressions in the progression of CLL can be related to the prognosis of this disease. Changing expression levels of CD markers on lymphocytes and other cells in CLL patients can play a role in the aggressive clinical outcomes such as organomegaly, immunodeficiency, and advanced disease stages through their interaction with CLL microenvironment. Given the involvement of CD markers in the pathogenesis of CLL, it can be stated that recognizing the expression changes of CD markers in the cells involved in CLL can be a proper approach to evaluate prognosis among these patients.
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Affiliation(s)
- Tina Vosoughi
- Thalassemia and Hemoglobinopathy Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Marziye Bagheri
- Thalassemia and Hemoglobinopathy Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mehran Hosseinzadeh
- Thalassemia and Hemoglobinopathy Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Ali Ehsanpour
- Thalassemia and Hemoglobinopathy Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Nader Davari
- Thalassemia and Hemoglobinopathy Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Najmaldin Saki
- Thalassemia and Hemoglobinopathy Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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11
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Gaiser MR, Weis CA, Gaiser T, Jiang H, Buder-Bakhaya K, Herpel E, Warth A, Xiao Y, Miao L, Brownell I. Merkel cell carcinoma expresses the immunoregulatory ligand CD200 and induces immunosuppressive macrophages and regulatory T cells. Oncoimmunology 2018; 7:e1426517. [PMID: 29721394 DOI: 10.1080/2162402x.2018.1426517] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2017] [Accepted: 01/08/2018] [Indexed: 10/18/2022] Open
Abstract
Merkel cell carcinoma (MCC) is a rare and aggressive skin cancer that responds to PD-1/PD-L1 immune checkpoint inhibitors. CD200 is another checkpoint modulator whose receptor is found on tumor-promoting myeloid cells, including M2 macrophages. We found high CD200 mRNA expression in MCC tumors, and CD200 immunostaining was demonstrated on 95.5% of MCC tumors. CD200R-expressing myeloid cells were present in the MCC tumor microenvironment. MCC-associated macrophages had a higher average CD163:CD68 staining ratio (2.67) than controls (1.13), indicating an immunosuppressive M2 phenotype. Accordingly, MCC tumors contained increased densities of FOXP3+ regulatory T-cells. Intravenous administration of blocking anti-CD200 antibody to MCC xenograft mice revealed specific targeting of drug to tumor. In conclusion, MCC are highly CD200 positive and associated with immunosuppressive M2 macrophages and regulatory T-cells. As anti-CD200 antibody effectively targets CD200 on MCC tumor cells in vivo, this treatment may provide a novel immunotherapy for MCC independent of PD-1/PD-L1 blockade.
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Affiliation(s)
- Maria Rita Gaiser
- Skin Cancer Unit, German Cancer Research Center (DKFZ), Heidelberg, Germany and Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Ruprecht-Karl University of Heidelberg, Mannheim, Germany.,Department of Dermatology, Heidelberg University Hospital, Heidelberg, Germany
| | - Cleo-Aron Weis
- Department of Dermatology, Heidelberg University Hospital, Heidelberg, Germany
| | - Timo Gaiser
- Department of Dermatology, Heidelberg University Hospital, Heidelberg, Germany
| | - Hong Jiang
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, USA
| | - Kristina Buder-Bakhaya
- National Center for Tumor Diseases and Department of Dermatology, University Hospital Heidelberg, Ruprecht-Karl University of Heidelberg, Heidelberg, Germany
| | - Esther Herpel
- Tissue Bank of the National Center for Tumor Diseases (NCT) Heidelberg, Heidelberg, Germany.,Institute of Pathology, Ruprecht-Karl University of Heidelberg, Heidelberg, Germany
| | - Arne Warth
- Tissue Bank of the National Center for Tumor Diseases (NCT) Heidelberg, Heidelberg, Germany
| | - Ying Xiao
- Dermatology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, USA
| | - Lingling Miao
- Dermatology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, USA
| | - Isaac Brownell
- Dermatology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, USA
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12
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Love JE, Thompson K, Kilgore MR, Westerhoff M, Murphy CE, Papanicolau-Sengos A, McCormick KA, Shankaran V, Vandeven N, Miller F, Blom A, Nghiem PT, Kussick SJ. CD200 Expression in Neuroendocrine Neoplasms. Am J Clin Pathol 2017; 148:236-242. [PMID: 28821198 PMCID: PMC5848429 DOI: 10.1093/ajcp/aqx071] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Objectives CD200 expression has been well studied in hematopoietic malignancies; however, CD200 expression has not been well-characterized in neuroendocrine neoplasms. We examined CD200 expression in 391 neuroendocrine neoplasms from various anatomic sites. Methods Tissue blocks containing pulmonary small cell carcinoma, pulmonary carcinoid, large cell neuroendocrine carcinoma, pancreatic neuroendocrine tumor, gastrointestinal carcinoid, and Merkel cell carcinoma were evaluated for CD200 expression by immunohistochemistry. A set of nonneuroendocrine carcinomas was stained for comparison. Results CD200 was expressed in 87% of the neuroendocrine neoplasms studied, including 60 of 72 (83%) pulmonary small cell carcinomas, 15 of 22 (68%) pulmonary carcinoids, three of four (75%) pulmonary large cell neuroendocrine carcinomas, 125 of 146 (86%) Merkel cell carcinomas, 79 of 83 (95%) gastrointestinal luminal carcinoids, and 56 of 60 (93%) pancreatic neuroendocrine tumors. Thirty-two of 157 (20%) nonneuroendocrine carcinomas expressed CD200. In gastrointestinal carcinoid and pancreatic neuroendocrine neoplasms, CD200 negativity correlated with higher grade. Conclusions CD200 is a relatively sensitive marker of neuroendocrine neoplasms and represents a potential therapeutic target in these difficult-to-treat malignancies.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - Steven J Kussick
- PhenoPath Laboratories, Seattle, WA
- Laboratory Medicine, University of Washington, Seattle
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13
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Xiong Z, Ampudia-Mesias E, Shaver R, Horbinski CM, Moertel CL, Olin MR. Tumor-derived vaccines containing CD200 inhibit immune activation: implications for immunotherapy. Immunotherapy 2017; 8:1059-71. [PMID: 27485078 DOI: 10.2217/imt-2016-0033] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
There are over 400 ongoing clinical trials using tumor-derived vaccines. This approach is especially attractive for many types of brain tumors, including glioblastoma, yet so far the clinical response is highly variable. One contributor to poor response is CD200, which acts as a checkpoint blockade, inducing immune tolerance. We demonstrate that, in response to vaccination, glioma-derived CD200 suppresses the anti-tumor immune response. In contrast, a CD200 peptide inhibitor that activates antigen-presenting cells overcomes immune tolerance. The addition of the CD200 inhibitor significantly increased leukocyte infiltration into the vaccine site, cytokine and chemokine production, and cytolytic activity. Our data therefore suggest that CD200 suppresses the immune system's response to vaccines, and that blocking CD200 could improve the efficacy of cancer immunotherapy.
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Affiliation(s)
- Zhengming Xiong
- University of Minnesota, Pediatrics, Division of Hematology and Oncology, Minneapolis, MN 55455, USA
| | - Elisabet Ampudia-Mesias
- University of Minnesota, Pediatrics, Division of Hematology and Oncology, Minneapolis, MN 55455, USA
| | - Rob Shaver
- University of Minnesota, Pediatrics, Division of Hematology and Oncology, Minneapolis, MN 55455, USA
| | - Craig M Horbinski
- Departments of Neurosurgery & Pathology, Northwestern University, Chicago, IL 60611, USA
| | - Christopher L Moertel
- University of Minnesota, Pediatrics, Division of Hematology and Oncology, Minneapolis, MN 55455, USA
| | - Michael R Olin
- University of Minnesota, Pediatrics, Division of Hematology and Oncology, Minneapolis, MN 55455, USA
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14
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Mason EF, Pozdnyakova O, Li B, Dudley G, Dorfman DM. Flow Cytometric Patterns of CD200 and CD1d Expression Distinguish CD10-Negative, CD5-Negative Mature B-Cell Lymphoproliferative Disorders. Am J Clin Pathol 2017; 148:33-41. [PMID: 28575142 DOI: 10.1093/ajcp/aqx041] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVES The importance of distinguishing mature B-cell lymphoproliferative disorders (B-LPDs) is highlighted by the distinct treatments used for and varying prognoses seen in association with these different diseases. Immunophenotyping allows for accurate and efficient differentiation of many B-LPDs. Recently, we showed that CD200 is highly expressed in hairy cell leukemia (HCL) but not in marginal zone lymphoma (MZL), lymphoplasmacytic lymphoma (LPL), or hairy cell leukemia-variant (HCL-v). Here, we assessed the usefulness of a flow cytometric panel combining CD200 and CD1d with CD25, CD103, and CD11c to distinguish CD10-, CD5- B-LPDs. METHODS We analyzed the expression of CD200 and CD1d by flow cytometric analysis in 79 cases of CD10-, CD5- mature B-LPDs. RESULTS Distinct patterns of CD200 and CD1d expression were seen in the examined B-LPDs. HCL showed bright positivity for CD200 along with positive staining for CD1d, whereas HCL-v showed low levels of expression for both markers. LPL demonstrated positive staining for CD200 in combination with dim to negative staining for CD1d. In contrast, MZL was commonly positive for CD1d and negative for CD200. CONCLUSIONS Flow cytometric analysis of CD200 and CD1d, along with CD25, CD103, and CD11c, can aid in the diagnosis of CD10-, CD5- mature B-LPDs.
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Affiliation(s)
- Emily F Mason
- Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
| | - Olga Pozdnyakova
- Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
| | - Betty Li
- Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
| | - Graham Dudley
- Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
| | - David M Dorfman
- Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
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15
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Lu J, Lu J, Chen W, Wang J, Huo Y, Hou J, Huang X. More frequent IgD and reduced CD200 expression in Chinese patients younger than 50 years old with multiple myeloma: a multicenter analysis. DRUG DESIGN DEVELOPMENT AND THERAPY 2016; 10:3673-3679. [PMID: 27877018 PMCID: PMC5108500 DOI: 10.2147/dddt.s100062] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
We retrospectively analyzed the presenting features and survival of 194 newly diagnosed patients with multiple myeloma in the People’s Republic of China. Compared with older patients, younger patients had a higher percentage of IgD isotype, lower percentage of International Staging System Stage 3 disease, higher albumin level, and lower frequency of high β2-microglobulin and CD200 expression. There was no difference in sex, Durie–Salmon stage, bone lesion degree, creatinine, lactate dehydrogenase, fluorescence in situ hybridization, and expression of other antigens. Among all 940 newly diagnosed patients with multiple myeloma, those younger than 50 years had better overall survival and progression-free survival than older patients. Of these patients, 457 were treated with a bortezomib-containing regimen, and 450 received conventional therapy. Younger patients treated with bortezomib had better overall survival and progression-free survival than older patients. However, younger patients treated with conventional therapy had the same survival as older patients.
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Affiliation(s)
- Jin Lu
- Department of Hematology, People's Hospital, Beijing University, Beijing, People's Republic of China
| | - Jing Lu
- Department of Hematology, The Myeloma and Lymphoma Center, Changzheng Hospital, The Second Military Medical University, Shanghai, People's Republic of China
| | - Wenming Chen
- Department of Hematology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Jing Wang
- Department of Hematology, People's Hospital, Beijing University, Beijing, People's Republic of China
| | - Yuliang Huo
- Data Management Department, Beijing University Clinical Research Institute, Beijing, People's Republic of China
| | - Jian Hou
- Department of Hematology, The Myeloma and Lymphoma Center, Changzheng Hospital, The Second Military Medical University, Shanghai, People's Republic of China
| | - Xiaojun Huang
- Department of Hematology, People's Hospital, Beijing University, Beijing, People's Republic of China
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16
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Fan L, Miao Y, Wu YJ, Wang Y, Guo R, Wang L, Shen AL, Chen YY, Xu W, Li JY. Expression patterns of CD200 and CD148 in leukemic B-cell chronic lymphoproliferative disorders and their potential value in differential diagnosis. Leuk Lymphoma 2015; 56:3329-35. [DOI: 10.3109/10428194.2015.1030642] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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17
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Challagundla P, Medeiros LJ, Kanagal-Shamanna R, Miranda RN, Jorgensen JL. Differential expression of CD200 in B-cell neoplasms by flow cytometry can assist in diagnosis, subclassification, and bone marrow staging. Am J Clin Pathol 2014; 142:837-44. [PMID: 25389338 DOI: 10.1309/ajcpbv9elxc0ecvl] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
Abstract
OBJECTIVES To analyze CD200 expression by flow cytometry in a large series of B-cell neoplasms in a variety of tissue types in comparison with benign B-lineage cells. METHODS We measured CD200 expression levels in 505 peripheral blood (PB), bone marrow (BM), and lymphoid tissue biopsy specimens, including 364 cases positive for B-cell leukemias and lymphomas. RESULTS CD200 expression in chronic lymphocytic leukemia cases was as bright as or brighter than normal PB B cells in nearly all cases, while mantle cell lymphoma (MCL) cases were usually dim or negative. However, rare MCL cases (about 5%) were moderately bright for CD200. Marginal zone lymphomas varied by subtype, with nodal cases brighter, splenic cases dimmer, and extranodal cases heterogeneous for CD200 expression. Follicular lymphoma (FL) cells were brighter for CD200 in BM specimens than in lymph nodes. In some BM specimens, dim CD200 could distinguish FL cells from background hematogones. Large B-cell lymphomas of the non-germinal center type tended to be brighter for CD200 than those of the germinal center type, while Burkitt lymphomas were negative. CONCLUSIONS CD200 staining by flow cytometry can be useful in the differential diagnosis of B-cell neoplasms and in their detection in the BM.
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Affiliation(s)
- Pramoda Challagundla
- Department of Hematopathology, University of Texas MD Anderson Cancer Center, Houston
| | - L. Jeffrey Medeiros
- Department of Hematopathology, University of Texas MD Anderson Cancer Center, Houston
| | | | - Roberto N. Miranda
- Department of Hematopathology, University of Texas MD Anderson Cancer Center, Houston
| | - Jeffrey L. Jorgensen
- Department of Hematopathology, University of Texas MD Anderson Cancer Center, Houston
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18
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Zhang X(M, Aguilera N. New Immunohistochemistry for B-Cell Lymphoma and Hodgkin Lymphoma. Arch Pathol Lab Med 2014; 138:1666-72. [DOI: 10.5858/arpa.2014-0058-ra] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Context
B-cell non-Hodgkin lymphoma is a heterogeneous group of lymphoproliferative malignancies with different clinical behaviors and treatments. It is important to differentiate individual B-cell lymphoma to apply the best treatment and management. Morphology and immunohistochemistry are the primary tools used for diagnosing lymphoma. There is a characteristic pattern of expression with immunohistochemical antibodies in most well-defined B-cell lymphomas. Some cases of B-cell lymphoma, however, show unusual morphologic and immunophenotypic features. The new and sometimes more specific antibodies have been developed recently, which may further define those lymphomas. Only with use of the antibodies over time does their true nature and specificity become evident.
Objectives
To present new antibodies for B-cell lymphoma that enhance the probability for diagnosis or can act as alternate markers in unusual cases, in which a B-cell lymphoma does not present with characteristic immunohistochemical staining, and to present prognostic markers that allow for better management of patients with specific B-cell lymphomas.
Data Sources
Data were obtained from literature review and figures from slides in personal practice.
Conclusions
The immunohistochemical antibodies presented in this article increase our ability to understand, diagnosis, and manage patients with B-cell lymphoma.
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Affiliation(s)
- Xiaohong (Mary) Zhang
- From the Department of Laboratory Medicine, Geisinger Medical Laboratories, Wilkes-Barre, Pennsylvania (Dr Zhang)
| | - Nadine Aguilera
- and the Department of Pathology, University of Virginia Health System, Charlottesville (Dr Aguilera)
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19
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Xiao Y, Williams JS, Brownell I. Merkel cells and touch domes: more than mechanosensory functions? Exp Dermatol 2014; 23:692-5. [PMID: 24862916 DOI: 10.1111/exd.12456] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/23/2014] [Indexed: 12/19/2022]
Abstract
The touch dome (TD) is an innervated structure in the epidermis of mammalian skin. Composed of specialized keratinocytes and neuroendocrine Merkel cells, the TD has distinct molecular characteristics compared to the surrounding epidermal keratinocytes. Much of the research on Merkel cell function has focused on their role in mechanosensation, specifically light touch. Recently, more has been discovered about Merkel cell molecular characteristics and their cells of origin. Here we review Merkel cell and TD biology, and discuss potential functions beyond mechanosensation.
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Affiliation(s)
- Ying Xiao
- Dermatology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
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20
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Pillai V, Pozdnyakova O, Charest K, Li B, Shahsafaei A, Dorfman DM. CD200 flow cytometric assessment and semiquantitative immunohistochemical staining distinguishes hairy cell leukemia from hairy cell leukemia-variant and other B-cell lymphoproliferative disorders. Am J Clin Pathol 2013; 140:536-43. [PMID: 24045551 DOI: 10.1309/ajcpebk31vqqnddr] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
Abstract
OBJECTIVES To evaluate CD200 expression in B-cell proliferative disorders. METHODS We analyzed 180 recent specimens of B-cell neoplasms for CD200 expression by flow cytometric immunophenotypic analysis, which is better able to assess relative intensity of staining than immunohistochemical staining. RESULTS We found that hairy cell leukemia exhibits a high level of staining for CD200 in comparison to other B-cell lymphoproliferative disorders, including hairy cell leukemia-variant (HCL-V), marginal zone lymphoma, and lymphoplasmacytic lymphoma. We confirmed this observation by semiquantitative immunohistochemical staining. CONCLUSIONS Assessment of the CD200 expression level is helpful to distinguish HCL from HCL-V and other B-cell lymphoproliferative disorders and in the differential diagnosis of B-cell neoplasms in general.
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Affiliation(s)
- Vinodh Pillai
- Department of Pathology, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA
| | - Olga Pozdnyakova
- Department of Pathology, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA
| | - Karry Charest
- Department of Pathology, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA
| | - Betty Li
- Department of Pathology, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA
| | - Aliakbar Shahsafaei
- Department of Pathology, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA
| | - David M. Dorfman
- Department of Pathology, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA
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21
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Akkaya M, Aknin ML, Akkaya B, Barclay AN. Dissection of agonistic and blocking effects of CD200 receptor antibodies. PLoS One 2013; 8:e63325. [PMID: 23691022 PMCID: PMC3653949 DOI: 10.1371/journal.pone.0063325] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2012] [Accepted: 03/31/2013] [Indexed: 12/14/2022] Open
Abstract
The CD200 receptor (CD200R) is present mainly on myeloid cells and gives inhibitory signals when engaged by its ligand CD200. The interaction is currently of therapeutic interest in cancer and inflammation. However functional effects are complicated by the fact that CD200R is itself polymorphic and also a member of a paired receptor family with four closely related gene products in mice called CD200RLa etc. We show that a second allele of CD200R (termed CD200R(2)) that differs in 7 amino acids also binds CD200 but did not react with the widely used CD200R antibody OX110. Biochemical and functional analysis showed that the CD200/CD200R interaction was blocked by the OX131, mAb that recognises both CD200R(1) and CD200R(2), but not by OX110 mAb. Both mAb can give agonistic inhibitory signals but functional analysis shows OX131 mAb also has the potential to block inhibition by preventing the ligand-receptor interaction and hence gives opposing effects. Although OX131 mAb cross-reacts with the activating receptor CD200RLe, it is specific for CD200R in C57BL/6 whilst OX110 mAb cross-reacts on CD200RLc. The results show the importance of the repertoire of paired receptors in strains or individuals and mAb used with implications for paired receptor analysis and therapeutics.
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Affiliation(s)
- Munir Akkaya
- Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford, United Kingdom
| | - Marie-Laure Aknin
- Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford, United Kingdom
| | - Billur Akkaya
- Nuffield Department of Clinical Medicine, University of Oxford, Oxford, United Kingdom
| | - A. Neil Barclay
- Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford, United Kingdom
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22
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Walker DG, Lue LF. Understanding the neurobiology of CD200 and the CD200 receptor: a therapeutic target for controlling inflammation in human brains? FUTURE NEUROLOGY 2013; 8. [PMID: 24198718 DOI: 10.2217/fnl.13.14] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
CD200 and its receptor, CD200 receptor (CD200R), have uniaue roles in controlling damaging inflammatory processes. At present, the only identified function for CD200 is as a ligand for CD200R. These proteins interact resulting in the activation of anti-inflammatory signaling by CD200R-expressing cells. When this interaction becomes deficient with aging or disease, chronic inflammation occurs, Experimental animal studies have demonstrated the consequences of disrupting CD200-CD200R interactions in the brain, but there have been few studies in human brains. Deficiency in neuronal CD200 may explain the chronic inflammation in human neurodegenerative diseases, such as Alzheimer's disease, Parkinson's disease and multiple sclerosis; however, deficits in the microglial expression of CD200R may also be of functional significance. The purpose of this review is to assess the data regarding the role of CD200-CD200R interactions in relation to the brain in order to determine if this could be a therapeutic target for human brain diseases with inflammatory components, and what additional studies are needed.
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Affiliation(s)
- Douglas G Walker
- Laboratory of Neuroinflammation, Banner Sun Health Research Institute, 10515 West Santa Fe Drive, Sun City, AZ 85351, USA
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23
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Dorfman DM, Shahsafaei A, Alonso MA. Utility of CD200 immunostaining in the diagnosis of primary mediastinal large B cell lymphoma: comparison with MAL, CD23, and other markers. Mod Pathol 2012; 25:1637-43. [PMID: 22899296 DOI: 10.1038/modpathol.2012.129] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
CD200, an immunoglobulin superfamily membrane glycoprotein, is expressed in a number of B cell lymphoproliferative disorders, including primary mediastinal large B cell lymphoma, but not diffuse large B cell lymphoma, based on a preliminary study. Here, we compare the expression of CD200 with other markers of primary mediastinal large B cell lymphoma, including MAL and CD23, in formalin-fixed, paraffin-embedded histologic sections from a series of 35 cases of primary mediastinal large B cell lymphoma and 30 cases of diffuse large B cell lymphoma. CD200 exhibits the greatest staining sensitivity of the markers studied: 94%, compared with CD23 (69%), MAL (86%), TRAF (86%), and REL (77%). It exhibits staining specificity of 93%, similar to that of CD23 (93%) and MAL (97%), and greater than that of TRAF (77%) and REL (83%). We conclude that CD200 is a practical and useful marker for the diagnosis of primary mediastinal large B cell lymphoma.
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Affiliation(s)
- David M Dorfman
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA.
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24
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Upregulation of CD200 is associated with Foxp3+ regulatory T cell expansion and disease progression in acute myeloid leukemia. Tumour Biol 2012. [DOI: 10.1007/s13277-012-0578-x] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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25
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Rygiel TP, Meyaard L. CD200R signaling in tumor tolerance and inflammation: A tricky balance. Curr Opin Immunol 2012; 24:233-8. [DOI: 10.1016/j.coi.2012.01.002] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2011] [Revised: 01/03/2012] [Accepted: 01/04/2012] [Indexed: 10/14/2022]
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26
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Dorfman DM, Shahsafaei A. CD200 (OX-2 membrane glycoprotein) expression in b cell-derived neoplasms. Am J Clin Pathol 2010; 134:726-33. [PMID: 20959655 DOI: 10.1309/ajcp38xrrugsqovc] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
We studied the expression of CD200, an immunoglobulin superfamily membrane glycoprotein, in a wide range of B cell-derived neoplasms by immunohistochemical staining of paraffin-embedded tissue sections. In addition to chronic lymphocytic leukemia (CLL)/small lymphocytic lymphoma (SLL), CD200 is expressed in other B-cell lymphoproliferative disorders, including hairy cell leukemia. In addition, neoplastic cells in classical Hodgkin lymphoma are immunoreactive for CD200. CD200 was previously reported to be expressed in acute myeloid leukemia, and we find that it is also expressed in B-lymphoblastic leukemia/lymphoma. We conclude that CD200 may be a useful immunophenotypic marker in the evaluation of B cell-derived neoplasms. Furthermore, since an anti-CD200 immunotherapeutic agent is in clinical trials, a number of B cell-derived neoplasms in addition to CLL/SLL may be suitable therapeutic targets.
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27
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Chen Z, Ma X, Zhang J, Hu J, Gorczynski RM. Alternative splicing of CD200 is regulated by an exonic splicing enhancer and SF2/ASF. Nucleic Acids Res 2010; 38:6684-96. [PMID: 20558599 PMCID: PMC2965252 DOI: 10.1093/nar/gkq554] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
CD200, a type I membrane glycoprotein, plays an important role in prevention of inflammatory disorders, graft rejection, autoimmune diseases and spontaneous fetal loss. It also regulates tumor immunity. A truncated CD200 (CD200tr) resulting from alternative splicing has been identified and characterized as a functional antagonist to full-length CD200. Thus, it is important to explore the mechanism(s) controlling alternative splicing of CD200. In this study, we identified an exonic splicing enhancer (ESE) located in exon 2, which is a putative binding site for a splicing regulatory protein SF2/ASF. Deletion or mutation of the ESE site decreased expression of the full-length CD200. Direct binding of SF2/ASF to the ESE site was confirmed by RNA electrophoretic mobility shift assay (EMSA). Knockdown of expression of SF2/ASF resulted in the same splicing pattern as seen after deletion or mutation of the ESE, whereas overexpression of SF2/ASF increased expression of the full-length CD200. In vivo studies showed that viral infection reversed the alternative splicing pattern of CD200 with increased expression of SF2/ASF and the full-length CD200. Taken together, our data suggest for the first time that SF2/ASF regulates the function of CD200 by controlling CD200 alternative splicing, through direct binding to an ESE located in exon 2 of CD200.
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Affiliation(s)
- Zhiqi Chen
- Transplant Research Division, Department of Surgery and Immunology, The Toronto Hospital, University of Toronto, Toronto, Canada.
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28
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Porpaczy E, Bilban M, Heinze G, Gruber M, Vanura K, Schwarzinger I, Stilgenbauer S, Streubel B, Fonatsch C, Jaeger U. Gene expression signature of chronic lymphocytic leukaemia with Trisomy 12. Eur J Clin Invest 2009; 39:568-75. [PMID: 19453646 DOI: 10.1111/j.1365-2362.2009.02146.x] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND The prognosis of chronic lymphocytic leukaemia (CLL) patients is largely determined by the karyotype of the malignant clone. We have investigated the gene expression profile associated with trisomy 12 (+12). DESIGN Initially, unselected peripheral blood mononuclear cells of four patients with +12 were compared with 16 CLL controls using microarray analysis. RESULTS were validated by quantitative real-time PCR with RNA from 61 patients (29 with +12, 32 CLL controls). Results Seven genes showing the strongest correlation with +12 in microarray analysis were selected for real-time PCR: HIP1R, MYF6, SLC2A6, CD9 (overexpressed); CD200, P2RY14, RASGRP3 (underexpressed). Four genes were significantly associated with +12: HIP1R (P<0.0001), MYF6 (P=0.007), P2RY14 (P=0.014), CD200 (P=0.028). Receiver Operating Characteristic curve analysis revealed that HIP1R expression was a highly sensitive and specific marker for +12 in CLL patients. MYF6 was exclusively expressed in normal or malignant B cells in peripheral blood but was poorly predictive for +12. As expected, a number of overexpressed genes are located on chromosome 12 (HIP1R, MYF6). Interestingly, both significantly underexpressed genes (P2RY14, CD200) reside on the long arm of chromosome 3 pointing to trans-repression in this region. CONCLUSIONS Analysis of the molecular signature of trisomy 12 in CLL resulted in: (i) identification of a surrogate marker for PCR (HIP1R); (ii) observation of a gene dosage effect; and (iii) detection of specific underexpression of genes located on chromosome 3. These results should help to improve diagnosis and treatment decisions for patients with CLL and trisomy 12.
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Affiliation(s)
- E Porpaczy
- Department of Internal Medicine I, Medical University of Vienna, Vienna, Austria
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29
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Abstract
The mainstay of therapy of chronic lymphocytic leukemia (CLL) is cytotoxic chemotherapy; however, CLL is still an incurable disease with resistance to therapy developing in the majority of patients. In recent years, our understanding of the biological basis of CLL pathogenesis has substantially improved and novel treatment strategies are emerging. Tailoring and individualizing therapy according to the molecular and cellular biology of the disease is on the horizon, and advances with targeted agents such as monoclonal antibodies combined with traditional chemotherapy have lead to improved remission rates. The proposed key role of the B-cell receptor (BCR) in CLL pathogenesis has led to a number of possible opportunities for therapeutic exploitation. We are beginning to understand that the microenvironment is of utmost importance in CLL because certain T-cell subsets and stromal cells support the outgrowth and development of the malignant clone. Furthermore, an increase in our understanding of the deregulated cell-death machinery in CLL is a prerequisite to developing new targeted strategies that might be more effective in engaging with the cell-death machinery. This Review summarizes the progress made in understanding these features of CLL biology and describes novel treatment strategies that have also been exploited in current clinical trials.
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Aoki T, Matsumoto Y, Hirata K, Ochiai K, Okada M, Ichikawa K, Shibasaki M, Arinami T, Sumazaki R, Noguchi E. Expression profiling of genes related to asthma exacerbations. Clin Exp Allergy 2009; 39:213-21. [PMID: 19187333 DOI: 10.1111/j.1365-2222.2008.03186.x] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
BACKGROUND Asthma is a chronic airway inflammatory disease; however, the molecular mechanisms that underlie asthma exacerbation are only partially understood. OBJECTIVE To identify gene expression signatures that reflect the acute exacerbation of asthma, we examined the differential expression of genes during asthma exacerbation and stable condition by using microarray analysis. METHODS The subjects were mite-sensitive asthmatic children and non-asthmatic control children. The children were divided into four groups (AE: asthma exacerbation, n=12; SA: stable asthma, n=11; IC: infected control, n=6; and NC: non-infected control, n=5). Total RNA was extracted from peripheral blood mononuclear cells and subjected to microarray analysis with Illumina Human Ref8 BeadChip arrays. Welch's t-test was performed to identify genes whose expression was altered during asthma exacerbation. Quantitative real-time RT-PCR was performed on samples collected from 43 asthmatic children and 11 control children to verify the microarray results. RESULTS The expression of 137/16 genes was significantly up/down-regulated during asthma exacerbation assessed by microarray analysis. Of the genes, 62 were also differentially expressed during upper respiratory infection. Many of the asthma exacerbation related genes were involved in defence responses and responses to external stimuli, but these associations disappeared after excluding the infection-related genes. Quantitative real-time RT-PCR confirmed that the genes related (S100A8 and GAS6) and unrelated to infections (CD200 and RBP7) were differentially expressed during asthma exacerbation (P<0.01). CONCLUSIONS Previously unidentified immune responses during asthma exacerbation may provide further clarification of the molecular mechanisms underlying asthma.
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Affiliation(s)
- T Aoki
- Department of Pediatrics, Tsukuba Medical Center Hospital, Tsukuba City, Ibaraki, Japan
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Palumbo GA, Parrinello N, Fargione G, Cardillo K, Chiarenza A, Berretta S, Conticello C, Villari L, Di Raimondo F. CD200 expression may help in differential diagnosis between mantle cell lymphoma and B-cell chronic lymphocytic leukemia. Leuk Res 2009; 33:1212-6. [PMID: 19230971 DOI: 10.1016/j.leukres.2009.01.017] [Citation(s) in RCA: 85] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2008] [Revised: 12/30/2008] [Accepted: 01/15/2009] [Indexed: 02/07/2023]
Abstract
Chronic lymphocytic leukemia (B-CLL) and mantle cell lymphoma (MCL) share many features and their differential diagnosis may be challenging, especially when a leukemic picture alone is present. Monoclonal antibody panels are often useful, with CD23 being the most reliable. However, MCL diagnosis should be confirmed by immunohistochemical cyclin D1 detection, sometimes with equivocal or even negative results. Other cytofluorimetric, cytogenetics or molecular techniques are reliable but not widely available. B-CLL leukemic cells express CD200, a membrane glycoprotein belonging to the immunoglobulin superfamily. We investigated its expression on fresh neoplastic cells of 93 patients with a CD5+ lymphoproliferative disease (79 selected B-CLL and 14 MCL in leukemic phase). Although these data cannot be generalized, all B-CLL samples we examined were positive, with CD200 present on the vast majority of the cells while, in MCL patients, CD200 was expressed by a small minority of CD5+ cells in three subjects and totally absent in the remaining 11. We then examined CD200 expression on paraffin-embedded lymphoid tissues and bone marrow (BM) trephine biopsies from 23 B-CLL and 44 MCL patients. Again, all B-CLL cells were CD200+ both in lymph nodes and in BM while all MCL cells were negative. Adding CD200 in routine panels could be of diagnostic utility in excluding MCL diagnosis.
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Affiliation(s)
- Giuseppe A Palumbo
- Department of Biomedical Sciences, Hematology Section, University of Catania, Italy.
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Current World Literature. Curr Opin Obstet Gynecol 2009; 21:101-9. [DOI: 10.1097/gco.0b013e3283240745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Current Awareness in Hematological Oncology. Hematol Oncol 2008. [DOI: 10.1002/hon.832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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