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Wenbo L, Liangyu X, Zhiyong L, Gongchang Y, Yuanzhen C, Bin S. Status and trends of RGS16 based on data visualization analysis: A review. Medicine (Baltimore) 2024; 103:e36981. [PMID: 38363937 PMCID: PMC10869050 DOI: 10.1097/md.0000000000036981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 12/22/2023] [Indexed: 02/18/2024] Open
Abstract
G-protein signaling regulator 16 (RGS16) has been confirmed that RGS16 is associated with cancer, neurodegenerative diseases, and cardiovascular diseases. Moreover, many studies have shown that RGS16 can be used as a biomarker for cancer diagnosis and prognosis. We used CiteSpace and VOS viewer software to perform a bibliometric analysis of 290 publications in the core collection of Web of Science. All the articles come from 399 institutions, including 618 authors, 179 journals, 40 countries, 115 keywords, 1 language, two types of papers, and reviews. The United States has the largest number of publications. The Research Center of Allergy and Infectious Diseases (NIAID) publishes the most papers, Emory University is the most recent of all institutions with the most recent results in the RGS16 study. Cell biology is the most studied discipline, and the most studied topic is migration. Drury published RGS16-related articles with the most citations (n = 15), and Berman published articles with the most citations (n = 106). The biological applications of RGS16 are currently a hot area of RGS16 research, including inflammation, cancer, ulcerative colitis, metabolic acidosis, platelet activation, and thrombosis. The current scientometrics study provides an overview of RGS16 research from 1995 to 2022. This study provides an overview of current and potential future research hotspots in the field of RGS16 and can be used as a resource for interested researchers.
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Affiliation(s)
- Liu Wenbo
- Bone Biomechanics Engineering Laboratory of Shandong Province, Neck-Shoulder and Lumbocrural Pain Hospital of Shandong First Medical University, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - Xie Liangyu
- Bone Biomechanics Engineering Laboratory of Shandong Province, Neck-Shoulder and Lumbocrural Pain Hospital of Shandong First Medical University, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - Lu Zhiyong
- Bone Biomechanics Engineering Laboratory of Shandong Province, Neck-Shoulder and Lumbocrural Pain Hospital of Shandong First Medical University, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - Yu Gongchang
- Bone Biomechanics Engineering Laboratory of Shandong Province, Neck-Shoulder and Lumbocrural Pain Hospital of Shandong First Medical University, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - Chen Yuanzhen
- Bone Biomechanics Engineering Laboratory of Shandong Province, Neck-Shoulder and Lumbocrural Pain Hospital of Shandong First Medical University, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - Shi Bin
- Bone Biomechanics Engineering Laboratory of Shandong Province, Neck-Shoulder and Lumbocrural Pain Hospital of Shandong First Medical University, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
- Shandong Traditional Chinese Medicine University, Jinan, Shandong Province, China
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Huangfu L, Li R, Huang Y, Wang S. The IL-17 family in diseases: from bench to bedside. Signal Transduct Target Ther 2023; 8:402. [PMID: 37816755 PMCID: PMC10564932 DOI: 10.1038/s41392-023-01620-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 06/16/2023] [Accepted: 08/22/2023] [Indexed: 10/12/2023] Open
Abstract
The interleukin-17 (IL-17) family comprises six members (IL-17A-17F), and recently, all of its related receptors have been discovered. IL-17 was first discovered approximately 30 years ago. Members of this family have various biological functions, including driving an inflammatory cascade during infections and autoimmune diseases, as well as boosting protective immunity against various pathogens. IL-17 is a highly versatile proinflammatory cytokine necessary for vital processes including host immune defenses, tissue repair, inflammatory disease pathogenesis, and cancer progression. However, how IL-17 performs these functions remains controversial. The multifunctional properties of IL-17 have attracted research interest, and emerging data have gradually improved our understanding of the IL-17 signaling pathway. However, a comprehensive review is required to understand its role in both host defense functions and pathogenesis in the body. This review can aid researchers in better understanding the mechanisms underlying IL-17's roles in vivo and provide a theoretical basis for future studies aiming to regulate IL-17 expression and function. This review discusses recent progress in understanding the IL-17 signaling pathway and its physiological roles. In addition, we present the mechanism underlying IL-17's role in various pathologies, particularly, in IL-17-induced systemic lupus erythematosus and IL-17-related tumor cell transformation and metastasis. In addition, we have briefly discussed promising developments in the diagnosis and treatment of autoimmune diseases and tumors.
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Affiliation(s)
- Longjie Huangfu
- School of Stomatology, Harbin Medical University, Harbin, 150001, P. R. China
| | - Ruiying Li
- Department of Oral Pathology, School of Stomatology, Hainan Medical University, Haikou, 571199, P. R. China
| | - Yamei Huang
- Department of Oral Pathology, School of Stomatology, Hainan Medical University, Haikou, 571199, P. R. China
| | - Shan Wang
- Department of Oral Pathology, School of Stomatology, Hainan Medical University, Haikou, 571199, P. R. China.
- Department of Stomatology, The Second Affiliated Hospital of Hainan Medical University, Haikou, 570216, P. R. China.
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T Cell-Intrinsic Interleukin 17 Receptor A Signaling Supports the Establishment of Chronic Murine Gammaherpesvirus 68 Infection. J Virol 2022; 96:e0063922. [PMID: 35758659 PMCID: PMC9327704 DOI: 10.1128/jvi.00639-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Gammaherpesviruses, such as human Epstein-Barr virus (EBV) and murine gammaherpesvirus 68 (MHV68), are species-specific, ubiquitous pathogens that are associated with multiple cancers, including B cell lymphomas. These viruses have a natural tropism for B cells and usurp B cell differentiation to drive a unique and robust polyclonal germinal center response to establish a long-term latent reservoir in memory B cells. The robust polyclonal germinal center response driven by gammaherpesvirus infection increases the risk for B cell transformation. Unsurprisingly, many gammaherpesvirus cancers are derived from germinal center or post-germinal center B cells. The viral and host factors that influence the gammaherpesvirus-driven germinal center response are not clearly defined. We previously showed that host interleukin 17 receptor A (IL-17RA) signaling promotes the establishment of chronic MHV68 infection and the MHV68-driven germinal center response. In this study, we found that T cell-intrinsic IL-17RA signaling recapitulates some proviral aspects of global IL-17RA signaling during MHV68 infection. Specifically, we found that T cell-intrinsic IL-17RA signaling supports the MHV68-driven germinal center response, the establishment of latency in the spleen, and viral reactivation in the spleen and peritoneal cavity. Our study unveils an unexpected finding where the T cell-specific IL-17RA signaling supports the establishment of a latent reservoir of a B cell-tropic gammaherpesvirus. IMPORTANCE Gammaherpesviruses, such as human EBV, establish lifelong infection in >95% of adults and are associated with B cell lymphomas. Gammaherpesviruses usurp the germinal center response to establish latent infection, and the germinal center B cells are thought to be the target of viral transformation. We previously found that global expression of IL-17RA promotes the establishment of chronic MHV68 infection and the MHV68-driven germinal center response. In this study, we showed that T cell-intrinsic IL-17RA signaling is necessary to promote the MHV68-driven germinal center response by supporting CD4+ T follicular helper cell expansion. We also found that T cell-intrinsic IL-17RA signaling contributes to but is not solely responsible for the systemic proviral role of IL-17RA signaling, highlighting the multifaceted function of IL-17RA signaling during MHV68 infection.
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Della Bella C, Soluri MF, Puccio S, Benagiano M, Grassi A, Bitetti J, Cianchi F, Sblattero D, Peano C, D’Elios MM. The Helicobacter pylori CagY Protein Drives Gastric Th1 and Th17 Inflammation and B Cell Proliferation in Gastric MALT Lymphoma. Int J Mol Sci 2021; 22:ijms22179459. [PMID: 34502367 PMCID: PMC8431018 DOI: 10.3390/ijms22179459] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 08/23/2021] [Accepted: 08/26/2021] [Indexed: 01/22/2023] Open
Abstract
Background: the neoplastic B cells of the Helicobacter pylori-related low-grade gastric mucosa-associated lymphoid tissue (MALT) lymphoma proliferate in response to H. pylori, however, the nature of the H. pylori antigen responsible for proliferation is still unknown. The purpose of the study was to dissect whether CagY might be the H. pylori antigen able to drive B cell proliferation. Methods: the B cells and the clonal progeny of T cells from the gastric mucosa of five patients with MALT lymphoma were compared with those of T cell clones obtained from five H. pylori–infected patients with chronic gastritis. The T cell clones were assessed for their specificity to H. pylori CagY, cytokine profile and helper function for B cell proliferation. Results: 22 of 158 CD4+ (13.9%) gastric clones from MALT lymphoma and three of 179 CD4+ (1.7%) clones from chronic gastritis recognized CagY. CagY predominantly drives Interferon-gamma (IFN-γ) and Interleukin-17 (IL-17) secretion by gastric CD4+ T cells from H. pylori-infected patients with low-grade gastric MALT lymphoma. All MALT lymphoma-derived clones dose dependently increased their B cell help, whereas clones from chronic gastritis lost helper activity at T-to-B-cell ratios greater than 1. Conclusion: the results obtained indicate that CagY drives both B cell proliferation and T cell activation in gastric MALT lymphomas.
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Affiliation(s)
- Chiara Della Bella
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy; (C.D.B.); (M.B.); (A.G.); (J.B.); (F.C.)
| | - Maria Felicia Soluri
- Department of Health Sciences & IRCAD, Università del Piemonte Orientale, 28100 Novara, Italy;
- Center for Translational Research on Autoimmune and Allergic Disease, Università del Piemonte Orientale, 28100 Novara, Italy
| | - Simone Puccio
- Genomic Unit, IRCCS, Humanitas Clinical and Research Center, 20090 Milan, Italy;
| | - Marisa Benagiano
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy; (C.D.B.); (M.B.); (A.G.); (J.B.); (F.C.)
| | - Alessia Grassi
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy; (C.D.B.); (M.B.); (A.G.); (J.B.); (F.C.)
| | - Jacopo Bitetti
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy; (C.D.B.); (M.B.); (A.G.); (J.B.); (F.C.)
| | - Fabio Cianchi
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy; (C.D.B.); (M.B.); (A.G.); (J.B.); (F.C.)
| | - Daniele Sblattero
- Department of Life Sciences, University of Trieste, 34127 Trieste, Italy;
| | - Clelia Peano
- Institute of Genetic and Biomedical Research, UoS Milan, National Research Council, 20090 Milan, Italy;
- Human Technopole, 20157 Milan, Italy
| | - Mario Milco D’Elios
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy; (C.D.B.); (M.B.); (A.G.); (J.B.); (F.C.)
- Correspondence: ; Tel.: +39-055-275-8331
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Abstract
Gammaherpesviruses establish lifelong infections in a majority of humans and are associated with B cell lymphomas. IL-17A is a host cytokine that plays a well-established role in the clearance of bacterial and fungal infections; however, the role of IL-17A in viral infections is poorly understood. Gammaherpesviruses establish lifelong infection and are associated with a variety of cancers, including B cell lymphomas. These viruses manipulate the B cell differentiation process to establish lifelong infection in memory B cells. Specifically, gammaherpesviruses infect naive B cells and promote entry of both infected and uninfected naive B cells into germinal centers, where the virus usurps rapid proliferation of germinal center B cells to exponentially increase its cellular latent reservoir. In addition to facilitating the establishment of latent infection, germinal center B cells are thought to be the target of viral transformation. In this study, we have uncovered a novel proviral role of host interleukin 17A (IL-17A), a well-established antibacterial and antifungal factor. Loss of IL-17A signaling attenuated the establishment of chronic gammaherpesvirus infection and gammaherpesvirus-driven germinal center response in a route of inoculation-dependent manner. Further, IL-17A treatment directly supported gammaherpesvirus reactivation and de novo lytic infection. This study is the first demonstration of a multifaceted proviral role of IL-17 signaling.
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Assis-Mendonça GR, Fattori A, Rocha RM, Lourenço GJ, Delamain MT, Nonogaki S, de Lima VCC, Colleoni GWB, de Souza CA, Soares FA, Lima CSP, Vassallo J. Single nucleotide variants in immune-response genes and the tumor microenvironment composition predict progression of mantle cell lymphoma. BMC Cancer 2021; 21:209. [PMID: 33648463 PMCID: PMC7919095 DOI: 10.1186/s12885-021-07891-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 02/08/2021] [Indexed: 11/20/2022] Open
Abstract
Background There is evidence to consider that the tumor microenvironment (TME) composition associates with antitumor immune response, and may predict the outcome of various non-Hodgkin lymphoma subtypes. However, in the case of mantle cell lymphoma (MCL), a rare and aggressive disease, there is lacking a detailed study of the TME components, as well as an integrative approach among them in patients’ samples. Also, from the genetic point of view, it is known that single nucleotide variants (SNVs) in immune-response genes are among important regulators of immunity. At present, it is uncertain whether SNVs in candidate immune-response genes and the TME composition are able to alter the prognosis in MCL. Methods We assessed a detailed TME composition in 88 MCL biopsies using immunohistochemistry, which was automatically analyzed by pixel counting (Aperio system). We also genotyped SNVs located in candidate immune-response genes (IL12A, IL2, IL10, TGFB1, TGFBR1, TGFBR2, IL17A, IL17F) in 95 MCL patients. We tested whether the SNVs could modulate the respective protein expression and TME composition in the tumor compartment. Finally, we proposed survival models in rituximab-treated patients, considering immunohistochemical and SNV models. Results High FOXP3/CD3 ratios (p = 0.001), high IL17A levels (p = 0.003) and low IL2 levels (p = 0.03) were individual immunohistochemical predictors of poorer survival. A principal component, comprising high quantities of macrophages and high Ki-67 index, also worsened outcome (p = 0.02). In the SNV model, the CC haplotype of IL10 (p < 0.01), the GG genotype of IL2 rs2069762 (p = 0.02) and the AA+AG genotypes of TGFBR2 rs3087465 (p < 0.01) were independent predictors of outcome. Finally, the GG genotype of TGFB1 rs6957 associated with lower tumor TGFβ levels (p = 0.03) and less CD163+ macrophages (p = 0.01), but did not modulate patients’ survival. Conclusions Our results indicate that the TME composition has relevant biological roles in MCL. In this setting, immunohistochemical detection of T-reg cells, IL17A and IL2, coupled with SNV genotyping in IL10, TGFBR2 and IL2, may represent novel prognostic factors in this disease, following future validations. Supplementary Information The online version contains supplementary material available at 10.1186/s12885-021-07891-9.
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Affiliation(s)
- Guilherme Rossi Assis-Mendonça
- Department of Pathology, Faculty of Medical Sciences, University of Campinas, Distrito de Barão Geraldo, Campinas, SP, Brazil.
| | - André Fattori
- Department of Internal Medicine, Faculty of Medical Sciences, University of Campinas, Campinas, SP, Brazil
| | - Rafael Malagoli Rocha
- Molecular Gynecology Laboratory, Department of Gynecology, Federal University of São Paulo, São Paulo, Brazil
| | - Gustavo Jacob Lourenço
- Laboratory of Cancer Genetics, Faculty of Medical Sciences, University of Campinas, Campinas, SP, Brazil
| | | | - Suely Nonogaki
- Instituto Adolfo Lutz, Secretaria de Estado da Saúde, São Paulo, SP, Brazil
| | | | | | - Cármino Antonio de Souza
- Department of Internal Medicine, Faculty of Medical Sciences, University of Campinas, Campinas, SP, Brazil.,Hematology and Hemotherapy Center, University of Campinas, Campinas, Brazil
| | | | - Carmen Silvia Passos Lima
- Department of Internal Medicine, Faculty of Medical Sciences, University of Campinas, Campinas, SP, Brazil.,Laboratory of Cancer Genetics, Faculty of Medical Sciences, University of Campinas, Campinas, SP, Brazil
| | - José Vassallo
- Department of Pathology, Faculty of Medical Sciences, University of Campinas, Distrito de Barão Geraldo, Campinas, SP, Brazil.,Rede D'Or Hospitals Network - Pathology Division, São Paulo, SP, Brazil.,Laboratory of Investigative and Molecular Pathology (LIP), CIPED, Faculty of Medical Sciences, University of Campinas, Campinas, SP, Brazil
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7
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Immunological and microRNA Features of Allergic Rhinitis in the Context of United Airway Disease. SINUSITIS 2021. [DOI: 10.3390/sinusitis5010005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Inflammation of the upper respiratory tract in patients with allergic rhinitis (AR) may contribute to lower respiratory airways’ inflammation. T-helper 17 (Th17) cells and related cytokines are also involved in the immunological mechanism of AR along with the classical Th2 cells. It is hypothesized that upon Th2 pressure, the inflammatory response in the lungs may lead to Th17-induced neutrophilic inflammation. However, the findings for interleukin-17 (IL-17) are bidirectional. Furthermore, the role of Th17 cells and their counterpart—T regulatory cells—remains unclear in AR patients. It was also shown that a regulator of inflammation might be the individual circulating specific non-coding microRNAs (miRNAs), which were distinctively expressed in AR and bronchial asthma (BA) patients. However, although several circulating miRNAs have been related to upper and lower respiratory tract diseases, their function and clinical value are far from being clarified. Still, they can serve as noninvasive biomarkers for diagnosing, characterizing, and providing therapeutic targets for anti-inflammatory treatment along with the confirmed contributors to the pathogenesis—Th17 cells and related cytokines. The narrow pathogenetic relationship between the nose and the bronchi, e.g., upper and lower respiratory tracts, confirms the concept of unified airway diseases. Thus, there is no doubt that AR and BA should be diagnosed, managed, and treated in an integrated manner.
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Zhang J, Yuan Z, Zhong W, Wei Y. Stem Cell as Vehicles of Antibody in Treatment of Lymphoma: a Novel and Potential Targeted Therapy. Stem Cell Rev Rep 2020; 17:829-841. [PMID: 33205352 DOI: 10.1007/s12015-020-10080-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/08/2020] [Indexed: 02/06/2023]
Abstract
Lymphoma is a heterogeneous malignancy and its incidence is increasing in the past decades all over the world. Although more than half of lymphoma patients achieve complete or partial remission from the standard first-line ABVD or R-CHOP based therapy, patients who fail to respond to these regimens will give rise to relapsed or refractory (R/R) lymphoma and may lead to a worse prognosis. Developing novel agents is important for R/R lymphoma. Based on the homing ability and being genetically modified easily, stem cells are usually used as vehicles in cell-based anti-tumor therapy, which can not only retain their own biological characteristics, but also make anti-tumor agents secrete constantly in tumor environment, to eventually kill the tumor cells more effectively. In this review, we will briefly introduce the properties of antibody therapy carried by stem cells, especially the hopes and hurdles of stem cell-mediated antibody secretion in the treatment of lymphoma.
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Affiliation(s)
- Jiayi Zhang
- Department of Blood Transfusion, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China.,Guangdong Engineering Research Center of Precise Transfusion, Guangzhou, Guangdong, China
| | - Zhaohu Yuan
- Department of Blood Transfusion, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China
| | - Weijie Zhong
- Department of Geriatrics, Hematology & Oncology ward, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China
| | - Yaming Wei
- Department of Blood Transfusion, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China. .,Guangdong Engineering Research Center of Precise Transfusion, Guangzhou, Guangdong, China.
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Menter T, Hayoz S, Zucca E, Kimby E, Dirnhofer S, Tzankov A. Immunomodulatory drugs may overcome the negative prognostic role of active Th17 axis in follicular lymphoma: evidence from the SAKK35/10 trial. Br J Haematol 2020; 190:e258-e261. [PMID: 32525232 DOI: 10.1111/bjh.16876] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 05/20/2020] [Indexed: 01/21/2023]
Affiliation(s)
- Thomas Menter
- Institute of Pathology and Medical Genetics, University Hospital Basel, Bern, Switzerland
| | | | - Emanuele Zucca
- Division of Medical Oncology, Oncology Institute of Southern Switzerland, Bellinzona, Switzerland.,Institute of Oncology Research, Bellinzona, Switzerland.,Department of Medical Oncology, Inselspital/Bern University Hospital, Bern, Switzerland
| | - Eva Kimby
- Division of Hematology, Department of Medicine at Huddinge, Karolinska Institutet, Stockholm, Sweden
| | - Stefan Dirnhofer
- Institute of Pathology and Medical Genetics, University Hospital Basel, Bern, Switzerland
| | - Alexandar Tzankov
- Institute of Pathology and Medical Genetics, University Hospital Basel, Bern, Switzerland
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Menter T, Tzankov A. Lymphomas and Their Microenvironment: A Multifaceted Relationship. Pathobiology 2019; 86:225-236. [PMID: 31574515 DOI: 10.1159/000502912] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 08/24/2019] [Indexed: 11/19/2022] Open
Abstract
It has become evident that the microenvironment - lymphocytes, macrophages, fibroblasts as well as the extracellular matrix, cytokines, chemokines, and a plethora of other cells, structures and substances residing in the vicinity of tumor cells - plays an important part in the maintenance of cancer growth and survival. This is also relevant in lymphomas. In this review, we give an outline on the importance of the microenvironment for tumors in general and lymphomas in particular, by highlighting certain basic principles of tumor-microenvironment interaction. The relationship of lymphomas and their microenvironment is multifaceted: lymphoma cells need growth factors and cytokines derived from microenvironmental cells for their sustenance and growth. On the contrary, many lymphomas silence or at least deregulate the immune system to escape recognition and subsequent elimination by immune cells, while giving advantage to suppressive microenvironmental compounds such as M2 polarized macrophages, regulatory T-cells, mast cells, and immunosuppressive fibroblasts. We also give a detailed insight across different lymphoma types to show the variety of tumor-microenvironment interactions. Due to its tremendous importance, the microenvironment has also become a new target for oncologic therapy. The most important finding concerning lymphomas with a focus on immunomodulatory substances is also, therefore, highlighted.
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Affiliation(s)
- Thomas Menter
- Institute of Medical Genetics and Pathology, University of Basel Hospital, Basel, Switzerland
| | - Alexandar Tzankov
- Institute of Medical Genetics and Pathology, University of Basel Hospital, Basel, Switzerland,
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Dias JNR, Lopes M, Peleteiro C, Vicente G, Nunes T, Mateus L, Aires-da-Silva F, Tavares L, Gil S. Canine multicentric lymphoma exhibits systemic and intratumoral cytokine dysregulation. Vet Immunol Immunopathol 2019; 218:109940. [PMID: 31561022 DOI: 10.1016/j.vetimm.2019.109940] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 09/04/2019] [Accepted: 09/08/2019] [Indexed: 12/13/2022]
Abstract
Non-Hodgkin Lymphoma (NHL) is among the most common neoplasias in dogs and humans. Owing to remarkable similarities with its human counterpart, the canine lymphoma (cNHL) model has been proposed as a powerful framework for rapid and clinically relevant translation of novel immunotherapies. However, the establishment of cNHL as a predictive preclinical model has been hampered by the limited characterization of the canine immune system. Cytokines are key players of the interaction between tumor and its microenvironment. In human NHL, multiple cytokines have been linked to the development of lymphoma and are relevant biomarkers for treatment response and prognosis. In contrast, few studies have investigated cytokines in cNHL. Within this context, this study aimed to investigate cytokine regulation in cNHL. A multicentric cNHL biobank was successfully constructed. Cytokine mRNA profiles in tumor tissue and circulating PBMC were analyzed by qRT-PCR and compared to a healthy control group. Specific primers were used to evaluate Th1, Th2 and Th17 responses. Systemic cytokine concentrations were measured using a commercial canine multiplex assay which included IL-2, IL6, IL-10 and TNF-α, and compared to a healthy control group. Our results demonstrated a dysregulation of cytokine mRNA expression, representative of the tumor microenvironment and systemic response in cNHL. Intratumoral cytokine response revealed a significant downregulation of humoral and Th1 responses. The systemic response demonstrated a distinct mRNA pattern, however immunosuppression also prevailed. Cytokine serum quantification showed a significant increase of IL-10 concentration in cNHL. Significant differences in hematological parameters were described and a correlation between IL-6 protein serum levels and neutrophil count was shown. Finally, data analysis demonstrated that baseline pretreatment IFN-γ tissue mRNA levels were correlated to survival outcome, predicting a favorable response to chemotherapy. Altogether, these results revealed that cNHL presents a local and systemic dysregulation in cytokine response. By confirming and extending previous research, our work contributed for the evaluation of potential cytokine candidates for diagnostic, prognostic purposes and therapeutic intervention, therefore adding value to comparative oncology.
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Affiliation(s)
- Joana N R Dias
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, 1300-477 Lisbon, Portugal.
| | - Mariana Lopes
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, 1300-477 Lisbon, Portugal.
| | - Conceição Peleteiro
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, 1300-477 Lisbon, Portugal.
| | - Gonçalo Vicente
- Veterinary Teaching Hospital, Faculty of Veterinary Medicine, Universidade de Lisboa, Av. da Universidade Técnica, 1300-477, Lisboa, Portugal.
| | - Telmo Nunes
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, 1300-477 Lisbon, Portugal.
| | - Luísa Mateus
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, 1300-477 Lisbon, Portugal.
| | - Frederico Aires-da-Silva
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, 1300-477 Lisbon, Portugal.
| | - Luís Tavares
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, 1300-477 Lisbon, Portugal.
| | - Solange Gil
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, 1300-477 Lisbon, Portugal.
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12
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Ribatti D. Interleukins as modulators of angiogenesis and anti-angiogenesis in tumors. Cytokine 2019; 118:3-7. [DOI: 10.1016/j.cyto.2018.10.022] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 10/23/2018] [Accepted: 10/25/2018] [Indexed: 12/24/2022]
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13
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Zhong W, Zhu Z, Xu X, Zhang H, Xiong H, Li Q, Wei Y. Human bone marrow-derived mesenchymal stem cells promote the growth and drug-resistance of diffuse large B-cell lymphoma by secreting IL-6 and elevating IL-17A levels. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2019; 38:73. [PMID: 30755239 PMCID: PMC6373150 DOI: 10.1186/s13046-019-1081-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2018] [Accepted: 02/06/2019] [Indexed: 02/08/2023]
Abstract
Background The drug-resistance and relapse of diffuse large B-cell lymphoma (DLBCL), which are related to mesenchymal stem cells (MSCs), have become increasingly common. However, the underlying mechanisms remain elusive. Methods CCK 8 assay, colony formation assay, and xenograft mouse model were used to investigate the effects of hBMSCs on DLBCL growth. Immunohistochemistry, qRT-PCR, and ELISA were used to study the expressions of IL-6 and IL-17A. Flow cytometry was used to analyze Th17 cells and Treg cells expressions. Western blot analysis, microarray analysis, and bioinformatics analysis were used to analyze the pathways of IL-6 or IL-17A mediated DLBCL growth. Results HBMSCs promoted DLBCL growth by secreting IL-6 in vitro and in vivo and simultaneously upregulating IL-17A in vitro. IL-6 and IL-17A synergistically promoted the growth and drug-resistance of DLBCL cells by protecting them from spontaneous or drug-induced apoptosis in vitro. IL-6 or IL-17A activated the JAK2/STAT3 pathway or upregulated cyclin D2 via activation of PI3K/Akt signaling in vitro, respectively. Conclusions The present results indicated that hBMSCs might have a “dual effect” on promoting DLBCL progression and drug-resistance by secreting IL-6 and upregulating IL-17A. IL-6, IL-17A, p-STAT3, p-Akt or cyclin D2 may be potential molecular targets for overcoming drug-resistance in patients with relapsed or refractory DLBCL.
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Affiliation(s)
- Weijie Zhong
- Department of Geriatrics, Hematology & Oncology ward, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, 510180, Guangdong, China
| | - Zhigang Zhu
- Department of Geriatrics, Hematology & Oncology ward, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, 510180, Guangdong, China
| | - Xin Xu
- Department of Geriatrics, Hematology & Oncology ward, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, 510180, Guangdong, China
| | - Hui Zhang
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jinan, 272067, Shandong, China
| | - Huabao Xiong
- Immunology Institute, Mount Sinai School of Medicine, NY10029, New York, 5674, USA
| | - Qingshan Li
- Department of Hematology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Panfu Rd No.1, Yuexiu District, Guangzhou, 510180, Guangdong, China.
| | - Yaming Wei
- Department of Blood Transfusion, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Panfu Rd No.1, Yuexiu District, Guangzhou, 510180, Guangdong, China.
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14
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Degranulation of mast cells induced by gastric cancer-derived adrenomedullin prompts gastric cancer progression. Cell Death Dis 2018; 9:1034. [PMID: 30305610 PMCID: PMC6180028 DOI: 10.1038/s41419-018-1100-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 09/04/2018] [Accepted: 09/14/2018] [Indexed: 12/17/2022]
Abstract
Mast cells are prominent components of solid tumors and exhibit distinct phenotypes in different tumor microenvironments. However, their precise mechanism of communication in gastric cancer remains largely unclear. Here, we found that patients with GC showed a significantly higher mast cell infiltration in tumors. Mast cell levels increased with tumor progression and independently predicted reduced overall survival. Tumor-derived adrenomedullin (ADM) induced mast cell degranulation via PI3K-AKT signaling pathway, which effectively promoted the proliferation and inhibited the apoptosis of GC cells in vitro and contributed to the growth and progression of GC tumors in vivo, and the effect could be reversed by blocking interleukin (IL)-17A production from these mast cells. Our results illuminate a novel protumorigenic role and associated mechanism of mast cells in GC, and also provide functional evidence for these mast cells to prevent, and to treat this immunopathogenesis feature of GC.
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Zhong W, Xu X, Zhu Z, Du Q, Du H, Yang L, Ling Y, Xiong H, Li Q. Increased expression of IRF8 in tumor cells inhibits the generation of Th17 cells and predicts unfavorable survival of diffuse large B cell lymphoma patients. Oncotarget 2018; 8:49757-49772. [PMID: 28537908 PMCID: PMC5564805 DOI: 10.18632/oncotarget.17693] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Accepted: 04/18/2017] [Indexed: 01/08/2023] Open
Abstract
The immunological pathogenesis of diffuse large B cell lymphoma (DLBCL) remains elusive. Searching for new prognostic markers of DLBCL is a crucial focal point for clinical scientists. The aim of the present study was to examine the prognostic value of interferon regulatory factor 8 (IRF8) expression and its effect on the development of Th17 cells in the tumor microenvironment of DLBCL patients. Flow cytometry, immunohistochemistry, and quantitative real-time PCR were used to detect the distribution of Th17 cells and related cytokines and IRF8 in tumor tissues from DLBCL patients. Two DLBCL cell lines (OCI-LY10 and OCI-LY1) with IRF8 knockdown or overexpression and two human B lymphoblast cell lines were co-cultured with peripheral blood mononuclear cells (PBMCs) in vitro to determine the effect of IRF8 on the generation of Th17 cells. Quantitative real-time PCR and Western blotting were used to investigate the involvement of retinoic acid receptor-related orphan receptor gamma t (RORγt) in the effect of IRF8 on Th17 cell generation. The survival of 67 DLBCL patients was estimated using the Kaplan-Meier method and log-rank analysis. The percentage of Th17 cells was lower in DLBCL tumor tissues than in PBMCs and corresponding adjacent benign tissues. Relative expression of interleukin (IL)-17A was lower, whereas that of interferon (IFN)-γ was higher in tumor tissues than in benign tissues. Co-culture with DLBCL cell lines inhibited the generation of Th17 cells in vitro. IRF8 upregulation was detected in DLBCL tumor tissues, and it was associated with decreased DLBCL patient survival. Investigation of the underlying mechanism suggested that IRF8 upregulation in DLBCL, through an unknown mechanism, inhibited Th17 cell generation by suppressing RORγt in neighboring CD4+ T cells. Tumor cells may express soluble or membrane-bound factors that inhibit the expression of RORγt in T cells within the tumor microenvironment. Our findings suggest that IRF8 expression could be a prognostic factor for DLBCL.
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Affiliation(s)
- Weijie Zhong
- Department of Hematology & Oncology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, China
| | - Xin Xu
- Department of Hematology & Oncology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, China.,Immunology Institute, Mount Sinai School of Medicine, New York, NY, USA
| | - Zhigang Zhu
- Department of Hematology & Oncology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, China
| | - Qinghua Du
- Department of Hematology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, China
| | - Hong Du
- Department of Pathology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, China
| | - Li Yang
- Department of Hematology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, China.,Collaborative Innovation Center for Cancer Medicine, State Key Laboratory of Oncology in South China, Guangdong Esophageal Cancer Institute, Cancer Center, Sun Yat-Sen University, Guangzhou, China
| | - Yanying Ling
- Department of Laboratory, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, China
| | - Huabao Xiong
- Immunology Institute, Mount Sinai School of Medicine, New York, NY, USA
| | - Qingshan Li
- Department of Hematology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, China
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16
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Zhong W, Xu X, Zhu Z, Yang L, Du H, Xia Z, Yuan Z, Xiong H, Du Q, Wei Y, Li Q. Increased interleukin-17A levels promote rituximab resistance by suppressing p53 expression and predict an unfavorable prognosis in patients with diffuse large B cell lymphoma. Int J Oncol 2018; 52:1528-1538. [PMID: 29512700 PMCID: PMC5873833 DOI: 10.3892/ijo.2018.4299] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 02/23/2018] [Indexed: 12/12/2022] Open
Abstract
Rituximab resistance has become increasingly common in patients with diffuse large B cell lymphoma (DLBCL). However, the mechanisms involved remain unclear. In this study, we aimed to examine the effect of rituximab on interleukin (IL)-17A and to investigate the role of IL-17A in rituximab resistance and its prognostic value in patients with DLBCL. Our retrospective analysis revealed that rituximab increased IL-6 expression levels in patients with DLBCL, and the increased IL-6 levels in turn induced the differentiation of Th17 and IL-17+Foxp3+ Treg cells, which secreted IL-17A both in vivo and in vitro. We then examined the effects of IL-17A on the apoptosis and proliferation of, and p53 expression in DLBCL cells, and found that IL-17A prevented rituximab-induced apoptosis and promoted the proliferation of DLBCL cells by suppressing p53 expression in vitro. The survival data of 73 patients with DLBCL suggested that high peripheral blood levels of IL-17A predicted an unfavorable survival. On the whole, our data indicate that rituximab promotes Th17 and IL-17+Foxp3+ Treg cells to secrete IL-17A, which in turn promotes rituximab resistance, partially by suppressing p53 expression and inhibiting rituximab-induced DLBCL cell apoptosis. IL-17A may thus prove to be a useful prognostic marker in patients with DLBCL.
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Affiliation(s)
- Weijie Zhong
- The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong 510630, P.R. China
| | - Xin Xu
- Department of Geriatrics, Hematology and Oncology Ward, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510180, P.R. China
| | - Zhigang Zhu
- Department of Geriatrics, Hematology and Oncology Ward, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510180, P.R. China
| | - Li Yang
- Department of Hematology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510180, P.R. China
| | - Hong Du
- Department of Pathology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510180, P.R. China
| | - Zhongjun Xia
- Collaborative Innovation Center for Cancer Medicine, State Key Laboratory of Oncology in South China, Department of Hematological Oncology, Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong 510060, P.R. China
| | - Zhaohu Yuan
- Department of Blood Transfusion, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510180, P.R. China
| | - Huabao Xiong
- Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029-5674, USA
| | - Qinghua Du
- Department of Hematology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510180, P.R. China
| | - Yaming Wei
- The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong 510630, P.R. China
| | - Qingshan Li
- The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong 510630, P.R. China
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Ferretti E, Di Carlo E, Ognio E, Fraternali-Orcioni G, Corcione A, Belmonte B, Ravetti JL, Tripodo C, Ribatti D, Pistoia V. IL-25 dampens the growth of human germinal center-derived B-cell non Hodgkin Lymphoma by curtailing neoangiogenesis. Oncoimmunology 2017; 7:e1397249. [PMID: 29399397 DOI: 10.1080/2162402x.2017.1397249] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Revised: 10/20/2017] [Accepted: 10/21/2017] [Indexed: 12/13/2022] Open
Abstract
Interleukin (IL)-25, a member of the IL-17 cytokine superfamily, is produced by immune and non-immune cells and exerts type 2 pro-inflammatory effects in vitro and in vivo. The IL-25 receptor(R) is composed of the IL-17RA/IL-17RB subunits. Previous work showed that germinal centre (GC)-derived B-cell non Hodgkin lymphomas (B-NHL) expressed IL-17AR, formed by IL-17RA and IL-17RC subunits, and IL-17A/IL-17AR axis promoted B-NHL growth by stimulating neoangiogenesis. Here, we have investigated expression and function of IL-25/IL-25R axis in lymph nodes from human GC-derived B-NHL, i.e. Follicular Lymphoma (FL,10 cases), Diffuse Large B Cell Lymphoma (6 cases) and Burkitt Lymphoma (3 cases). Tumor cells expressed IL-25R and IL-25 that was detected also in non-malignant cells by flow cytometry. Immunohistochemical studies confirmed expression of IL-25R and IL-25 in FL cells, and highlighted IL-25 expression in bystander elements of the FL microenvironment. IL-25 i) up-regulated phosphorylation of NFkBp65, STAT-1 and JNK in B-NHL cells; ii) inhibited in vitro proliferation of the latter cells; iii) exerted anti-tumor activity in two in vivo B-NHL models by dampening expression of pro-angiogenic molecules as VEGF-C, CXCL6 and ANGPT3. In conclusion, IL-25, that is intrinsically pro-angiogenic, inhibits B-NHL growth by reprogramming the angiogenic phenotype of B-NHL cells.
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Affiliation(s)
- Elisa Ferretti
- Laboratory of Experimental Therapies in Oncology and Laboratory of Oncology, Istituto Giannina Gaslini, Genova, Italy
| | - Emma Di Carlo
- Department of Medicine and Sciences of Aging, "G. d'Annunzio" University and Ce.SI-MeT, Aging Research Center, Pathological Anatomy and Immuno-Oncology Unit, "G. d'Annunzio" University, Chieti, Italy
| | - Emanuela Ognio
- Animal Facility, IRCCS AOU San Martino - IST - Istituto Nazionale per la Ricerca sul Cancro, Genova, Italy
| | - Giulio Fraternali-Orcioni
- Unit of Pathology, IRCCS AOU San Martino - IST - Istituto Nazionale per la Ricerca sul Cancro, Genova, Italy
| | - Anna Corcione
- Laboratorio di Oncologia and Laboratorio malattie autoinfiammatorie e immudeficienze, Istituto Giannina Gaslini, Genova, Italy
| | - Beatrice Belmonte
- Tumor Immunology Unit, Department of Health Science, Human Pathology Section, University of Palermo, Palermo, Italy
| | - Jean Louis Ravetti
- Unit of Pathology, IRCCS AOU San Martino - IST - Istituto Nazionale per la Ricerca sul Cancro, Genova, Italy
| | - Claudio Tripodo
- Laboratorio di Oncologia and Laboratorio malattie autoinfiammatorie e immudeficienze, Istituto Giannina Gaslini, Genova, Italy
| | - Domenico Ribatti
- Department of Basic Medical Sciences, Neurosciences and Sensory Organs, University of Bari Medical School, Bari, Italy, and National Cancer Institute "Giovanni Paolo II", Bari, Italy
| | - Vito Pistoia
- Immunology Research Area, Ospedale Pediatrico Bambino Gesù, Roma, Italy
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18
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Zhong W, Li Q. Rituximab or irradiation promotes IL-17 secretion and thereby induces resistance to rituximab or irradiation. Cell Mol Immunol 2017; 14:1020-1022. [PMID: 29151580 DOI: 10.1038/cmi.2017.124] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Accepted: 09/29/2017] [Indexed: 12/17/2022] Open
Affiliation(s)
- Weijie Zhong
- Department of Geriatrics, Hematology & Oncology Ward, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou 510180, China
| | - Qingshan Li
- Department of Hematology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou 510180, China
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19
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Mavropoulos A, Liaskos C, Simopoulou T, Bogdanos DP, Sakkas LI. IL-10-producing regulatory B cells (B10 cells), IL-17 + T cells and autoantibodies in systemic sclerosis. Clin Immunol 2017; 184:26-32. [DOI: 10.1016/j.clim.2017.04.013] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Revised: 04/13/2017] [Accepted: 04/27/2017] [Indexed: 01/01/2023]
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20
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Ruffin N, Hani L, Seddiki N. From dendritic cells to B cells dysfunctions during HIV-1 infection: T follicular helper cells at the crossroads. Immunology 2017; 151:137-145. [PMID: 28231392 DOI: 10.1111/imm.12730] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 02/10/2017] [Accepted: 02/14/2017] [Indexed: 12/12/2022] Open
Abstract
T follicular helper (Tfh) cells are essential for B-cell differentiation and the subsequent antibody responses. Their numbers and functions are altered during human and simian immunodeficiency virus (HIV/SIV) infections. In lymphoid tissues, Tfh cells are present in germinal centre, where they are the main source of replicative HIV-1 and represent a major reservoir. Paradoxically, Tfh cell numbers are increased in chronically infected individuals. Understanding the fate of Tfh cells in the course of HIV-1 infection is essential for the design of efficient strategies toward a protective HIV vaccine or a cure. The purpose of this review is to summarize the recent advance in our understanding of Tfh cell dynamics during HIV/SIV infection. In particular, to explore the possible causes of their expansion in lymphoid tissues by discussing the impact of HIV-1 infection on dendritic cells, to identify the molecular players rendering Tfh cells highly susceptible to HIV-1 infection, and to consider the contribution of regulatory follicular T cells in shaping Tfh cell functions.
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Affiliation(s)
- Nicolas Ruffin
- Institut Curie, INSERM U932, PSL Research University, Paris, France
| | - Lylia Hani
- Vaccine Research Institute (VRI), Faculté de médecine, INSERM U955, Université Paris Est, Créteil Cedex, France
| | - Nabila Seddiki
- Vaccine Research Institute (VRI), Faculté de médecine, INSERM U955, Université Paris Est, Créteil Cedex, France
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