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Koga T, Sasaki F, Saeki K, Tsuchiya S, Okuno T, Ohba M, Ichiki T, Iwamoto S, Uzawa H, Kitajima K, Meno C, Nakamura E, Tada N, Fukui Y, Kikuta J, Ishii M, Sugimoto Y, Nakao M, Yokomizo T. Expression of leukotriene B 4 receptor 1 defines functionally distinct DCs that control allergic skin inflammation. Cell Mol Immunol 2021; 18:1437-1449. [PMID: 33037399 PMCID: PMC8167169 DOI: 10.1038/s41423-020-00559-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 09/10/2020] [Accepted: 09/11/2020] [Indexed: 11/25/2022] Open
Abstract
Leukotriene B4 (LTB4) receptor 1 (BLT1) is a chemotactic G protein-coupled receptor expressed by leukocytes, such as granulocytes, macrophages, and activated T cells. Although there is growing evidence that BLT1 plays crucial roles in immune responses, its role in dendritic cells remains largely unknown. Here, we identified novel DC subsets defined by the expression of BLT1, namely, BLT1hi and BLT1lo DCs. We also found that BLT1hi and BLT1lo DCs differentially migrated toward LTB4 and CCL21, a lymph node-homing chemoattractant, respectively. By generating LTB4-producing enzyme LTA4H knockout mice and CD11c promoter-driven Cre recombinase-expressing BLT1 conditional knockout (BLT1 cKO) mice, we showed that the migration of BLT1hi DCs exacerbated allergic contact dermatitis. Comprehensive transcriptome analysis revealed that BLT1hi DCs preferentially induced Th1 differentiation by upregulating IL-12p35 expression, whereas BLT1lo DCs accelerated T cell proliferation by producing IL-2. Collectively, the data reveal an unexpected role for BLT1 as a novel DC subset marker and provide novel insights into the role of the LTB4-BLT1 axis in the spatiotemporal regulation of distinct DC subsets.
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Affiliation(s)
- Tomoaki Koga
- Department of Biochemistry, Juntendo University Graduate School of Medicine, Tokyo, 113-8421, Japan
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, 860-0811, Japan
| | - Fumiyuki Sasaki
- Department of Biochemistry, Juntendo University Graduate School of Medicine, Tokyo, 113-8421, Japan
- Department of Cell Signaling, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, 113-8510, Japan
| | - Kazuko Saeki
- Department of Biochemistry, Juntendo University Graduate School of Medicine, Tokyo, 113-8421, Japan
| | - Soken Tsuchiya
- Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto, 862-0973, Japan
| | - Toshiaki Okuno
- Department of Biochemistry, Juntendo University Graduate School of Medicine, Tokyo, 113-8421, Japan
| | - Mai Ohba
- Department of Biochemistry, Juntendo University Graduate School of Medicine, Tokyo, 113-8421, Japan
| | - Takako Ichiki
- Department of Biochemistry, Juntendo University Graduate School of Medicine, Tokyo, 113-8421, Japan
| | - Satoshi Iwamoto
- Department of Biochemistry, Juntendo University Graduate School of Medicine, Tokyo, 113-8421, Japan
| | - Hirotsugu Uzawa
- Department of Biochemistry, Juntendo University Graduate School of Medicine, Tokyo, 113-8421, Japan
| | - Keiko Kitajima
- Department of Developmental Biology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, 812-8582, Japan
| | - Chikara Meno
- Department of Developmental Biology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, 812-8582, Japan
| | - Eri Nakamura
- Laboratory of Genome Research, Research Institute for Diseases of Old Age, Juntendo University Graduate School of Medicine, Tokyo, 113-8421, Japan
| | - Norihiro Tada
- Laboratory of Genome Research, Research Institute for Diseases of Old Age, Juntendo University Graduate School of Medicine, Tokyo, 113-8421, Japan
| | - Yoshinori Fukui
- Division of Immunogenetics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, Fukuoka, 812-8582, Japan
| | - Junichi Kikuta
- Department of Immunology and Cell Biology, Graduate School of Medicine and Frontier Biosciences, Osaka University, Osaka, 565-0871, Japan
| | - Masaru Ishii
- Department of Immunology and Cell Biology, Graduate School of Medicine and Frontier Biosciences, Osaka University, Osaka, 565-0871, Japan
| | - Yukihiko Sugimoto
- Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto, 862-0973, Japan
| | - Mitsuyoshi Nakao
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, 860-0811, Japan
| | - Takehiko Yokomizo
- Department of Biochemistry, Juntendo University Graduate School of Medicine, Tokyo, 113-8421, Japan.
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Yin X, Yu H, Jin X, Li J, Guo H, Shi Q, Yin Z, Xu Y, Wang X, Liu R, Wang S, Zhang L. Human Blood CD1c+ Dendritic Cells Encompass CD5high and CD5low Subsets That Differ Significantly in Phenotype, Gene Expression, and Functions. J Immunol 2017; 198:1553-1564. [PMID: 28087664 DOI: 10.4049/jimmunol.1600193] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Accepted: 12/09/2016] [Indexed: 12/16/2023]
Abstract
There are three major dendritic cell (DC) subsets in both humans and mice, that is, plasmacytoid DCs and two types of conventional DCs (cDCs), cDC1s and cDC2s. cDC2s are important for polarizing CD4+ naive T cells into different subsets, including Th1, Th2, Th17, Th22, and regulatory T cells. In mice, cDC2s can be further divided into phenotypically and functionally distinct subgroups. However, subsets of human cDC2s have not been reported. In the present study, we showed that human blood CD1c+ cDCs (cDC2s) can be further separated into two subpopulations according to their CD5 expression status. Comparative transcriptome analyses showed that the CD5high DCs expressed higher levels of cDC2-specific genes, including IFN regulatory factor 4, which is essential for the cDC2 development and its migration to lymph nodes. In contrast, CD5low DCs preferentially expressed monocyte-related genes, including the lineage-specific transcription factor MAFB. Furthermore, compared with the CD5low subpopulation, the CD5high subpopulation showed stronger migration toward CCL21 and overrepresentation among migratory DCs in lymph nodes. Additionally, the CD5high DCs induced naive T cell proliferation more potently than did the CD5low DCs. Moreover, CD5high DCs induced higher levels of IL-10-, IL-22-, and IL-4-producing T cell formation, whereas CD5low DCs induced higher levels of IFN-γ-producing T cell formation. Thus, we show that human blood CD1c+ cDC2s encompass two subsets that differ significantly in phenotype, that is, gene expression and functions. We propose that these two subsets of human cDC2s could potentially play contrasting roles in immunity or tolerance.
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Affiliation(s)
- Xiangyun Yin
- Key Laboratory of Infection and Immunity, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 100080, China
| | - Haisheng Yu
- Key Laboratory of Infection and Immunity, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 100080, China
| | - Xiaoyang Jin
- Key Laboratory of Infection and Immunity, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 100080, China
| | - Jingyun Li
- Key Laboratory of Infection and Immunity, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Hao Guo
- Key Laboratory of Infection and Immunity, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Quanxing Shi
- Department of Cardiology, 306th Hospital of Chinese People's Liberation Army, Beijing 100101, China; and
| | - Zhao Yin
- Department of Cardiology, 306th Hospital of Chinese People's Liberation Army, Beijing 100101, China; and
| | - Yong Xu
- Chinese People's Liberation Army General Hospital, Beijing 100853, China
| | - Xuefei Wang
- Chinese People's Liberation Army General Hospital, Beijing 100853, China
| | - Rong Liu
- Chinese People's Liberation Army General Hospital, Beijing 100853, China
| | - Shouli Wang
- Department of Cardiology, 306th Hospital of Chinese People's Liberation Army, Beijing 100101, China; and
| | - Liguo Zhang
- Key Laboratory of Infection and Immunity, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China;
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Zhang L, Wang D, Li Y, Liu Y, Xie X, Wu Y, Zhou Y, Ren J, Zhang J, Zhu H, Su Z. CCL21/CCR7 Axis Contributed to CD133+ Pancreatic Cancer Stem-Like Cell Metastasis via EMT and Erk/NF-κB Pathway. PLoS One 2016; 11:e0158529. [PMID: 27505247 PMCID: PMC4978474 DOI: 10.1371/journal.pone.0158529] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Accepted: 06/17/2016] [Indexed: 11/26/2022] Open
Abstract
Background Tumor metastasis is driven by malignant cells and stromal cell components of the tumor microenvironment. Cancer stem cells (CSCs) are thought to be responsible for metastasis by altering the tumor microenvironment. Epithelial-mesenchymal transition (EMT) processes contribute to specific stages of the metastatic cascade, promoted by cytokines and chemokines secreted by stromal cell components in the tumor microenvironment. C-C chemokine receptor 7 (CCR7) interacts with its ligand, chemokine ligand 21(CCL21), to mediate metastasis in some cancer cells lines. This study investigated the role of CCL21/CCR7 in promoting EMT and metastasis of cluster of differentiation 133+ (CD133+) pancreatic cancer stem-like cells. Methods Panc-1, AsPC-1, and MIA PaCa-2 pancreatic cancer cells were selected because of their aggressive invasive potentials. CCR7 expression levels were examined in total, CD133+ and CD133− cell fractions by Immunofluorescence analysis and real time-quantitative polymerase chain reaction (RT-qPCR). The role of CCL21/CCR7 in mediating metastasis and survival of CD133+ pancreatic cancer stem-like cells was detected by Transwell assays and flow cytometry, respectively. EMT and lymph node metastasis related markers (E-cadherin, N- cadherin, LYVE-1) were analyzed by western blot. CCR7 expression levels were analyzed by immunohistochemical staining and RT-qPCR in resected tumor tissues, metastatic lymph nodes, normal lymph nodes and adjacent normal tissues from patients with pancreatic carcinoma. Results CCR7 expression was significantly increased in CD133+ pancreatic cancer stem-like cells, resected pancreatic cancer tissues, and metastatic lymph nodes, compared with CD133− cancer cells, adjacent normal tissues and normal lymph nodes, respectively. CCL21/CCR7 promoted metastasis and survival of CD133+ pancreatic cancer stem-like cells and regulated CD133+ pancreatic cancer stem-like cells metastasis by modulating EMT and Erk/NF-κB pathway. Conclusions These results indicate a specific role for CCL21/CCR7 in promoting EMT and metastasis in CD133+ pancreatic cancer stem-like cells. Furthermore the data also indicated the potential importance of developing therapeutic strategies targeting cancer stem-like cells and CCL21/CCR7 for reducing metastasis.
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Affiliation(s)
- Lirong Zhang
- Department of Radiology, The Affiliated Hospital of Jiangsu University, Zhenjiang, 212001, China
| | - Dongqing Wang
- Department of Radiology, The Affiliated Hospital of Jiangsu University, Zhenjiang, 212001, China
- * E-mail: (DW); (HZ); (ZS)
| | - Yumei Li
- Department of Radiology, The Affiliated Hospital of Jiangsu University, Zhenjiang, 212001, China
| | - Yanfang Liu
- Department of Central laboratory, The First People’s Hospital of Zhenjiang, Zhenjiang, 212001, China
| | - Xiaodong Xie
- Department of Radiology, The Affiliated Hospital of Jiangsu University, Zhenjiang, 212001, China
| | - Yingying Wu
- Department of Radiology, The Affiliated Hospital of Jiangsu University, Zhenjiang, 212001, China
| | - Yuepeng Zhou
- Department of Radiology, The Affiliated Hospital of Jiangsu University, Zhenjiang, 212001, China
| | - Jing Ren
- Department of Radiology, The Affiliated Hospital of Jiangsu University, Zhenjiang, 212001, China
| | - Jianxin Zhang
- Department of Radiology, The Affiliated Hospital of Jiangsu University, Zhenjiang, 212001, China
| | - Haitao Zhu
- Department of Radiology, The Affiliated Hospital of Jiangsu University, Zhenjiang, 212001, China
- * E-mail: (DW); (HZ); (ZS)
| | - Zhaoliang Su
- Department of Immunology, Jiangsu University, Zhenjiang, 212013, China
- * E-mail: (DW); (HZ); (ZS)
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Al Ghamdi AA, Badr G, Hozzein WN, Allam A, Al-Waili NS, Al-Wadaan MA, Garraud O. Oral supplementation of diabetic mice with propolis restores the proliferation capacity and chemotaxis of B and T lymphocytes towards CCL21 and CXCL12 by modulating the lipid profile, the pro-inflammatory cytokine levels and oxidative stress. BMC Immunol 2015; 16:54. [PMID: 26370805 PMCID: PMC4570673 DOI: 10.1186/s12865-015-0117-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2015] [Accepted: 08/31/2015] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Type 1 diabetes mellitus (T1D) is a chronic autoimmune disease caused by the selective destruction of pancreatic β cells, followed by hyperglycemia, oxidative stress and the subsequent extensive impairment of immune cell functions, a phenomenon responsible for the development of chronic diabetic complications. Propolis, a natural bee product that is extensively used in foods and beverages, significantly benefits human health. Specifically, propolis exerts antioxidant, anti-inflammatory and analgesic effects that may improve diabetic complications. To further elucidate the potential benefits of propolis, the present study investigated the effect of dietary supplementation with propolis on the plasma cytokine profiles, free radical levels, lipid profile and lymphocyte proliferation and chemotaxis in a streptozotocin (STZ)-induced type I diabetic mouse model. METHODS Thirty male mice were equally distributed into 3 experimental groups: group 1, non-diabetic control mice; group 2, diabetic mice; and group 3, diabetic mice supplemented daily with an ethanol-soluble derivative of propolis (100 mg/kg body weight) for 1 month. RESULTS First, the induction of diabetes in mice was associated with hyperglycemia and significant decreases in the insulin level and the lymphocyte count. In this context, diabetic mice exhibited severe diabetic complications, as demonstrated by a significant decrease in the levels of IL-2, IL-4 and IL-7, prolonged elevation of the levels of pro-inflammatory cytokines (IL-1β, IL-6 and TNF-α) and reactive oxygen species (ROS) and altered lipid profiles compared with control non-diabetic mice. Moreover, antigen stimulation of B and T lymphocytes markedly reduced the proliferative capacity and chemotaxis of these cells towards CCL21 and CXCL12 in diabetic mice compared with control mice. Interestingly, compared with diabetes induction alone, treatment of diabetic mice with propolis significantly restored the plasma cytokine and ROS levels and the lipid profile to nearly normal levels. Most importantly, compared with untreated diabetic mice, diabetic mice treated with propolis exhibited significantly enhanced lymphocyte proliferation and chemotaxis towards CCL21 and CXCL12. CONCLUSION Our findings reveal the potential immuno-modulatory effects of propolis, which acts as a natural antioxidant to enhance the function of immune cells during diabetes.
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Affiliation(s)
- Ahmad A Al Ghamdi
- Chair of Engineer Abdullah Baqshan for Bee Research, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Gamal Badr
- Laboratory of Immunology and Molecular Physiology, Zoology Department, Faculty of Science, Assiut University, Assiut, 71516, Egypt.
| | - Wael N Hozzein
- Bioproducts Research Chair, Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
- Botany Department, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt
| | - Ahmed Allam
- Bioproducts Research Chair, Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
- Zoology Department, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt
| | | | - Mohammed A Al-Wadaan
- Bioproducts Research Chair, Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Olivier Garraud
- Institut National de la Transfusion Sanguine, Paris, Université de Lyon, Saint-Etienne, France
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Hayasaka H, Kobayashi D, Yoshimura H, Nakayama EE, Shioda T, Miyasaka M. The HIV-1 Gp120/CXCR4 axis promotes CCR7 ligand-dependent CD4 T cell migration: CCR7 homo- and CCR7/CXCR4 hetero-oligomer formation as a possible mechanism for up-regulation of functional CCR7. PLoS One 2015; 10:e0117454. [PMID: 25688986 PMCID: PMC4331524 DOI: 10.1371/journal.pone.0117454] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2014] [Accepted: 12/24/2014] [Indexed: 11/29/2022] Open
Abstract
During human immunodeficiency virus (HIV) infection, enhanced migration of infected cells to lymph nodes leads to efficient propagation of HIV-1. The selective chemokine receptors, including CXCR4 and CCR7, may play a role in this process, yet the viral factors regulating chemokine-dependent T cell migration remain relatively unclear. The functional cooperation between the CXCR4 ligand chemokine CXCL12 and the CCR7 ligand chemokines CCL19 and CCL21 enhances CCR7-dependent T cell motility in vitro as well as cell trafficking into the lymph nodes in vivo. In this study, we report that a recombinant form of a viral CXCR4 ligand, X4-tropic HIV-1 gp120, enhanced the CD4 T cell response to CCR7 ligands in a manner dependent on CXCR4 and CD4, and that this effect was recapitulated by HIV-1 virions. HIV-1 gp120 significantly enhanced CCR7-dependent CD4 T cell migration from the footpad of mice to the draining lymph nodes in in vivo transfer experiments. We also demonstrated that CXCR4 expression is required for stable CCR7 expression on the CD4 T cell surface, whereas CXCR4 signaling facilitated CCR7 ligand binding to the cell surface and increased the level of CCR7 homo- as well as CXCR4/CCR7 hetero-oligomers without affecting CCR7 expression levels. Our findings indicate that HIV-evoked CXCR4 signaling promotes CCR7-dependent CD4 T cell migration by up-regulating CCR7 function, which is likely to be induced by increased formation of CCR7 homo- and CXCR4/CCR7 hetero-oligomers on the surface of CD4 T cells.
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Affiliation(s)
- Haruko Hayasaka
- Laboratory of Immune Regulation, Department of Microbiology and Immunology, Graduate School of Medicine, WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka, Japan
- * E-mail:
| | - Daichi Kobayashi
- Laboratory of Immune Regulation, Department of Microbiology and Immunology, Graduate School of Medicine, WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka, Japan
| | - Hiromi Yoshimura
- Laboratory of Immune Regulation, Department of Microbiology and Immunology, Graduate School of Medicine, WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka, Japan
| | - Emi E. Nakayama
- Department of Viral Infections, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
| | - Tatsuo Shioda
- Department of Viral Infections, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
| | - Masayuki Miyasaka
- Institute for Academic Initiatives, Osaka University, Suita, Osaka, Japan
- MediCity Laboratory, University of Turku, Tykistökatu 6A, 20520, Turku, Finland
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Ramanathan P, Dhandapani H, Jayakumar H, Ganeshrajah S, Thangarajan R. Dendritic cells primed with HPV positive cervical tumor lysate are superior to unprimed DCs in migratory capacity and induce a potent Th1 response. Hum Immunol 2014; 75:1216-24. [PMID: 25315748 DOI: 10.1016/j.humimm.2014.09.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2014] [Revised: 09/27/2014] [Accepted: 09/27/2014] [Indexed: 12/22/2022]
Abstract
In this study, we assessed the efficacy of tumor lysate primed and unprimed monocyte derived mature dendritic cells (DCs) to trigger an effective anti-tumor immune response in cervical cancer patients who tested positive for human papilloma virus (HPV) DNA. Lysate primed and unprimed DCs were assessed for the expression of CD80, CD86, CD40, HLADR and CD83. The ability of DCs to migrate in response to the chemokines CCL19 and 21 as well as their ability to secrete IL12p40 was investigated. Mixed lymphocyte proliferation assays were used to assess DC stimulatory capacity and their ability to generate a Th1 response. Our results showed no difference in phenotypic expression between primed and unprimed DCs but both had significantly increased expression of the activation marker CD83 when compared to immature DCs. Importantly, the primed DCs showed significant (P value=0.03) IL-12p40 secretion and a superior migratory capacity towards CC19 and CCL21 (P value=0.04) compared to unprimed DCs even after cytokine withdrawal. Primed DCs showed superior stimulation of T cell proliferation (allogeneic and autologous) and secretion of IFN gamma (IFN-γ) than the unprimed DCs. Hence whole tumor lysate primed mature DCs could be potent immunotherapeutic adjuvants to standard treatment for cervical cancer.
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Borgman KJE, van Zanten TS, Manzo C, Cabezón R, Cambi A, Benítez-Ribas D, Garcia-Parajo MF. Priming by chemokines restricts lateral mobility of the adhesion receptor LFA-1 and restores adhesion to ICAM-1 nano-aggregates on human mature dendritic cells. PLoS One 2014; 9:e99589. [PMID: 24945611 PMCID: PMC4063950 DOI: 10.1371/journal.pone.0099589] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2013] [Accepted: 04/18/2014] [Indexed: 01/12/2023] Open
Abstract
LFA-1 is a leukocyte specific β2 integrin that plays a major role in regulating adhesion and migration of different immune cells. Recent data suggest that LFA-1 on mature dendritic cells (mDCs) may function as a chemokine-inducible anchor during homing of DCs through the afferent lymphatics into the lymph nodes, by transiently switching its molecular conformational state. However, the role of LFA-1 mobility in this process is not yet known, despite that the importance of lateral organization and dynamics for LFA-1-mediated adhesion regulation is broadly recognized. Using single particle tracking approaches we here show that LFA-1 exhibits higher mobility on resting mDCs compared to monocytes. Lymphoid chemokine CCL21 stimulation of the LFA-1 high affinity state on mDCs, led to a significant reduction of mobility and an increase on the fraction of stationary receptors, consistent with re-activation of the receptor. Addition of soluble monomeric ICAM-1 in the presence of CCL21 did not alter the diffusion profile of LFA-1 while soluble ICAM-1 nano-aggregates in the presence of CCL21 further reduced LFA-1 mobility and readily bound to the receptor. Overall, our results emphasize the importance of LFA-1 lateral mobility across the membrane on the regulation of integrin activation and its function as adhesion receptor. Importantly, our data show that chemokines alone are not sufficient to trigger the high affinity state of the integrin based on the strict definition that affinity refers to the adhesion capacity of a single receptor to its ligand in solution. Instead our data indicate that nanoclustering of the receptor, induced by multi-ligand binding, is required to maintain stable cell adhesion once LFA-1 high affinity state is transiently triggered by inside-out signals.
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Affiliation(s)
| | | | - Carlo Manzo
- ICFO-Institut de Ciències Fotòniques, Barcelona, Spain
| | - Raquel Cabezón
- Department of Gastroenterology, Hospital Clinic de Barcelona, IDIBAPS, Barcelona, Spain
| | - Alessandra Cambi
- Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Daniel Benítez-Ribas
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd) and Centre Esther Koplowitz, Barcelona, Spain
| | - Maria F. Garcia-Parajo
- ICFO-Institut de Ciències Fotòniques, Barcelona, Spain
- ICREA-Institució Catalana de Recerca i Estudis Avançats, Barcelona, Spain
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Ambriz-Peña X, García-Zepeda EA, Meza I, Soldevila G. Jak3 enables chemokine-dependent actin cytoskeleton reorganization by regulating cofilin and Rac/Rhoa GTPases activation. PLoS One 2014; 9:e88014. [PMID: 24498424 PMCID: PMC3912156 DOI: 10.1371/journal.pone.0088014] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2013] [Accepted: 01/03/2014] [Indexed: 01/02/2023] Open
Abstract
We have previously shown that Jak3 is involved in the signaling pathways of CCR7, CCR9 and CXCR4 in murine T lymphocytes and that Jak3−/− lymphocytes display an intrinsic defect in homing to peripheral lymph nodes. However, the molecular mechanism underlying the defective migration observed in Jak3−/− lymphocytes remains elusive. Here, it is demonstrated for the first time, that Jak3 is required for the actin cytoskeleton reorganization in T lymphocytes responding to chemokines. It was found that Jak3 regulates actin polymerization by controlling cofilin inactivation in response to CCL21 and CXCL12. Interestingly, cofilin inactivation was not precluded in PTX- treated cells despite their impaired actin polymerization. Additionally, Jak3 was required for small GTPases Rac1 and RhoA activation, which are indispensable for acquisition of the migratory cell phenotype and the generation of a functional leading edge and uropod, respectively. This defect correlates with data obtained by time-lapse video-microscopy showing an incompetent uropod formation and impaired motility in Jak3-pharmacologically inhibited T lymphocytes. Our data support a new model in which Jak3 and heterotrimeric G proteins can use independent, but complementary, signaling pathways to regulate actin cytoskeleton dynamics during cell migration in response to chemokines.
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Affiliation(s)
- Xochitl Ambriz-Peña
- Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, México, Distrito Federal, México
| | - Eduardo Alberto García-Zepeda
- Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, México, Distrito Federal, México
| | - Isaura Meza
- Departamento de Biomedicina Molecular, Centro de Investigación y de Estudios Avanzados (CINVESTAV IPN), Departamento de Biomedicina Molecular, México, Distrito Federal, México
| | - Gloria Soldevila
- Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, México, Distrito Federal, México
- * E-mail:
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Gong T, Zhou HL, Ba Y. [CCL21-CD40L fusion gene induce augmented antitumor activity in colon cancer]. Zhejiang Da Xue Xue Bao Yi Xue Ban 2013; 42:498-503. [PMID: 24167129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
OBJECTIVE To investigate the anti-tumor activity of CCL21-exCD40L eukaryotic expression vector. METHODS CCL21-exCD40L fusion gene were constructed by overlap PCR connecting CCL21 and exCD40L through a flexible linker (Gly3Ser)4, and then was cloned into expression vector pcDNA3.1(+). pcDNA3.1(+)/CCL21 and pcDNA3.1(+)/exCD were constructed as negative control. Wsestern blot was used to identify the fusion protein. CHO cells was transfected with pcDNA3.1(+)/CCL21-exCD, pcDNA3.1(+)/CCL21 and pcDNA3.1(+), respectively. The chemotatic function of the expressed product was detected by Transwell method and its anti-tumor activity was tested with vivo transfection. RESULTS Gene sequencing and restrictive digestion proved the successful construction of pcDNA3.1(+)/CCL21-exCD40L,and its expression was conformed by western blot. The transfectant supernantes of pcDNA3.1(+)/CCL21-exCD40 group had a significant chmotactic function to DCs, of which the cell numbers passing through the film was 14.95 times of blank control every high power microscope visual field. After tumor orthotoic injection of plasmid carrying fusion gene in Balb/c mouse, the tumor mass reduced remarkablely, and all the mouse in fusion gene group survived after 4 weeks. CONCLUSION CCL21-exCD40L fusion protein had a remarkable function to DCs and it can inhibit tumor growth and prolong the mouse survival time, which is more effective than all control group.
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Affiliation(s)
- Ting Gong
- Department of Oncology, Tianjin General Hospital, Tianjin 300052, China
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Abstract
Human eosinophils display directed chemotactic activity toward an array of soluble chemokines. Eosinophils have been observed to migrate to draining lymph nodes in experimental models of allergic inflammation, yet it is unknown whether eosinophils express CCR7, a key chemokine receptor in coordinating leukocyte trafficking to lymph nodes. The purpose of this study is to demonstrate expression of CCR7 by human eosinophils and functional responses to CCL19 and CCL21, the known ligands of CCR7. Human eosinophils were purified by negative selection from healthy donors. CCR7 expression of freshly purified, unstimulated eosinophils and of IL-5-primed eosinophils was determined by flow cytometry and Western blot. Chemotaxis to CCL19 and CCL21 was measured in transwell assays. Shape changes to CCL19 and CCL21 were analyzed by flow cytometry and microscopy. Calcium fluxes of fluo-4 AM-loaded eosinophils were recorded by flow cytometry after chemokine stimulation. ERK phosphorylation of CCL19- and CCL21-stimulated eosinophils was measured by Western blot and Luminex assay. Human eosinophils expressed CCR7 as demonstrated by flow cytometry and Western blots. Eosinophils exhibited detectable cell surface expression of CCR7. IL-5-primed eosinophils exhibited chemotaxis toward CCL19 and CCL21 in a dose-dependent fashion. Upon stimulation with CCL19 or CCL21, IL-5-primed eosinophils demonstrated dose-dependent shape changes with polarization of F-actin and exhibited calcium influxes. Finally, primed eosinophils stimulated with CCL19 or CCL21 exhibited increased phosphorylation of ERK in response to both CCR7 ligands. We demonstrate that human eosinophils express CCR7 and have multipotent responses to the known ligands of CCR7.
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Affiliation(s)
- Praveen Akuthota
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA.
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11
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Oh SM, Oh K, Lee DS. Intratumoral administration of secondary lymphoid chemokine and unmethylated cytosine-phosphorothioate-guanine oligodeoxynucleotide synergistically inhibits tumor growth in vivo. J Korean Med Sci 2011; 26:1270-6. [PMID: 22022177 PMCID: PMC3192336 DOI: 10.3346/jkms.2011.26.10.1270] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2011] [Accepted: 08/29/2011] [Indexed: 11/20/2022] Open
Abstract
Secondary lymphoid tissue chemokine (SLC), which is expressed in T cell zones of secondary lymphoid organs, including the spleen and lymph nodes, strongly recruits both T lymphocytes and mature dendritic cells. As appropriate interaction of tumor-specific T cells and mature dendritic cells, equipped with tumor antigens, is a prerequisite for effective T cell immunity against established tumors, we mobilized lymphocytes and dendritic cells to tumor sites by intratumoral injection of secondary lymphoid tissue chemokine-Fc (SLC-Fc) fusion protein using the B16F10 murine melanoma model. Activation of dendritic cells, another prerequisite for the effective activation of naïve tumor-specific T cells, was achieved by the addition of immunostimulatory cytosine-phosphorothioate-guanine oligodeoxynucleotide (CpG-ODN) into the tumor site. Intratumoral administration of SLC-Fc or CpG-ODN revealed antitumor effects against B16F10 murine melanoma grown in the subcutaneous space. Co-treatment of SLC-Fc and CpG-ODN displayed synergistic effects in reducing the tumor size. The synergistic antitumor effect in co-treatment group was correlated with the synergistic/additive increase in the infiltration of CD4(+) T cells and CD11c(+) dendritic cells in the tumor mass compared to the single treatment groups. These results suggest that the combined use of chemokines and adjuvant molecules may be a possible strategy in clinical tumor immunotherapy.
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Affiliation(s)
- So Mi Oh
- Laboratory of Immunology, Transplantation Research Institute, Seoul, Korea
| | - Keunhee Oh
- Laboratory of Immunology, Transplantation Research Institute, Seoul, Korea
- Interdisciplinary Program of Tumor Biology, Seoul National University College of Medicine, Seoul, Korea
| | - Dong-Sup Lee
- Laboratory of Immunology, Transplantation Research Institute, Seoul, Korea
- Interdisciplinary Program of Tumor Biology, Seoul National University College of Medicine, Seoul, Korea
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12
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Nandagopal S, Wu D, Lin F. Combinatorial guidance by CCR7 ligands for T lymphocytes migration in co-existing chemokine fields. PLoS One 2011; 6:e18183. [PMID: 21464944 PMCID: PMC3064588 DOI: 10.1371/journal.pone.0018183] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2010] [Accepted: 02/22/2011] [Indexed: 12/03/2022] Open
Abstract
Chemokines mediate the trafficking and positioning of lymphocytes in lymphoid tissues that is crucial for immune surveillance and immune responses. In particular, a CCR7 ligand, CCL21, plays important roles in recruiting T cells to secondary lymphoid tissues (SLT). Furthermore, CCL21 together with another CCR7 ligand, CCL19, direct the navigation and compartmentation of T cells within SLT. However, the distinct roles of these two chemokines for regulating cell trafficking and positioning are not clear. In this study, we explore the effect of co-existing CCL19 and CCL21 concentration fields on guiding T cell migration. Using microfluidic devices that can configure single and superimposed chemokine fields we show that under physiological gradient conditions, human peripheral blood T cells chemotax to CCL21 but not CCL19. Furthermore, T cells migrate away from the CCL19 gradient in a uniform background of CCL21. This repulsive migratory response is predicted by mathematical modeling based on the competition of CCL19 and CCL21 for CCR7 signaling and the differential ability of the two chemokines for desensitizing CCR7. These results suggest a new combinatorial guiding mechanism by CCL19 and CCL21 for the migration and trafficking of CCR7 expressing leukocytes.
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Affiliation(s)
- Saravanan Nandagopal
- Department of Physics and Astronomy, University of Manitoba, Winnipeg, Manitoba, Canada
- Department of Biosystems Engineering, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Dan Wu
- Department of Physics and Astronomy, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Francis Lin
- Department of Physics and Astronomy, University of Manitoba, Winnipeg, Manitoba, Canada
- Department of Biosystems Engineering, University of Manitoba, Winnipeg, Manitoba, Canada
- Department of Biological Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
- Department of Immunology, University of Manitoba, Winnipeg, Manitoba, Canada
- * E-mail:
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13
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Kuscher K, Danelon G, Paoletti S, Stefano L, Schiraldi M, Petkovic V, Locati M, Gerber BO, Uguccioni M. Synergy-inducing chemokines enhance CCR2 ligand activities on monocytes. Eur J Immunol 2009; 39:1118-28. [PMID: 19291700 DOI: 10.1002/eji.200838906] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2023]
Abstract
The migration of monocytes to sites of inflammation is largely determined by their response to chemokines. Although the chemokine specificities and expression patterns of chemokine receptors are well defined, it is still a matter of debate how cells integrate the messages provided by different chemokines that are concomitantly produced in physiological or pathological situations in vivo. We present evidence for one regulatory mechanism of human monocyte trafficking. Monocytes can integrate stimuli provided by inflammatory chemokines in the presence of homeostatic chemokines. In particular, migration and cell responses could occur at much lower concentrations of the CCR2 agonists, in the presence of chemokines (CCL19 and CCL21) that per se do not act on monocytes. Binding studies on CCR2(+) cells showed that CCL19 and CCL21 do not compete with the CCR2 agonist CCL2. Furthermore, the presence of CCL19 or CCL21 could influence the degradation of CCL2 and CCL7 on cells expressing the decoy receptor D6. These findings disclose a new scenario to further comprehend the complexity of chemokine-based monocyte trafficking in a vast variety of human inflammatory disorders.
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MESH Headings
- Amino Acid Sequence
- Cell Movement/drug effects
- Cell Movement/immunology
- Chemokine CCL19/chemistry
- Chemokine CCL19/immunology
- Chemokine CCL19/pharmacology
- Chemokine CCL2/immunology
- Chemokine CCL2/pharmacology
- Chemokine CCL21/chemistry
- Chemokine CCL21/immunology
- Chemokine CCL21/pharmacology
- Chemokine CCL7/immunology
- Chemokine CCL7/pharmacology
- Chemotaxis, Leukocyte/drug effects
- Chemotaxis, Leukocyte/immunology
- Extracellular Signal-Regulated MAP Kinases/immunology
- Extracellular Signal-Regulated MAP Kinases/metabolism
- Glycosaminoglycans/immunology
- Glycosaminoglycans/metabolism
- Humans
- Inflammation/immunology
- Inflammation/metabolism
- Ligands
- Molecular Sequence Data
- Monocytes/drug effects
- Monocytes/immunology
- Monocytes/metabolism
- Phosphorylation/immunology
- Protein Structure, Tertiary
- Receptors, CCR10/immunology
- Receptors, CCR10/metabolism
- Receptors, CCR2/agonists
- Receptors, CCR2/chemistry
- Receptors, CCR2/immunology
- Receptors, CCR7/agonists
- Receptors, CCR7/chemistry
- Receptors, CCR7/immunology
- Chemokine Receptor D6
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Affiliation(s)
- Katrin Kuscher
- Institute for Research in Biomedicine, Bellinzona, Switzerland
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14
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Kodera M, Grailer JJ, Karalewitz APA, Subramanian H, Steeber DA. T lymphocyte migration to lymph nodes is maintained during homeostatic proliferation. Microsc Microanal 2008; 14:211-224. [PMID: 18312727 DOI: 10.1017/s1431927608080215] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The immune system maintains appropriate cell numbers through regulation of cell proliferation and death. Normal tissue distribution of lymphocytes is maintained through expression of specific adhesion molecules and chemokine receptors such as L-selectin and CCR7, respectively. Lymphocyte insufficiency or lymphopenia induces homeostatic proliferation of existing lymphocytes to increase cell numbers. Interestingly, homeostatic proliferation of T lymphocytes induces a phenotypic change from naïve- to memory-type cell. Naïve T cells recirculate between blood and lymphoid tissues whereas memory T cells migrate to nonlymphoid sites such as skin and gut. To assess effects of homeostatic proliferation on migratory ability of T cells, a murine model of lymphopenia-induced homeostatic proliferation was used. Carboxyfluorescein diacetate, succinimidyl ester-labeled wild-type splenocytes were adoptively transferred into recombination activation gene-1-deficient mice and analyzed by flow cytometry, in vitro chemotactic and in vivo migration assays, and immunofluorescence microscopy. Homeostatically proliferated T cells acquired a mixed memory-type CD44high L-selectinhigh CCR7low phenotype. Consistent with this, chemotaxis to secondary lymphoid tissue chemokine in vitro was reduced by 22%-34%. By contrast, no differences were found for migration or entry into lymph nodes during in vivo migration assays. Therefore, T lymphocytes that have undergone homeostatic proliferation recirculate using mechanisms similar to naïve T cells.
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Affiliation(s)
- Masanari Kodera
- Department of Biological Sciences, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin 53211, USA
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15
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Saleh S, Solomon A, Wightman F, Xhilaga M, Cameron PU, Lewin SR. CCR7 ligands CCL19 and CCL21 increase permissiveness of resting memory CD4+ T cells to HIV-1 infection: a novel model of HIV-1 latency. Blood 2007; 110:4161-4. [PMID: 17881634 DOI: 10.1182/blood-2007-06-097907] [Citation(s) in RCA: 187] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Latent HIV-1 infection of resting memory CD4(+) T cells represents the major barrier to HIV-1 eradication. To determine whether the CCR7 ligands involved in lymphocyte migration can alter HIV-1 infection of resting CD4(+) T cells, we infected purified resting CD4(+) T cells after incubation with the chemokines CCL19 and CCL21. Incubation with CCL19 or CCL21 did not alter markers of T-cell activation or proliferation. However, after HIV-1 infection of CCL19- or CCL21-treated CD4(+) T-cells, we observed low-level HIV-1 production but high concentrations of integrated HIV-1 DNA, approaching that seen in mitogen-stimulated T-cell blasts. Restimulation of CCL19-treated infected CD4(+) T cells resulted in virus production consistent with establishment of postintegration latency. CCR7 ligands facilitate efficient entry of HIV-1 into resting CD4(+) T cells. These studies demonstrate a unique action of the chemokines CCL19 and CCL21 and provide a novel model with which to study HIV-1 latency in vitro.
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Affiliation(s)
- Suha Saleh
- Departments of Medicine, Alfred Hospital, Melbourne, Australia
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