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Barrio-Alonso C, Nieto-Valle A, García-Martínez E, Gutiérrez-Seijo A, Parra-Blanco V, Márquez-Rodas I, Avilés-Izquierdo JA, Sánchez-Mateos P, Samaniego R. Chemokine profiling of melanoma-macrophage crosstalk identifies CCL8 and CCL15 as prognostic factors in cutaneous melanoma. J Pathol 2024; 262:495-504. [PMID: 38287901 DOI: 10.1002/path.6252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 12/11/2023] [Indexed: 01/31/2024]
Abstract
During cancer evolution, tumor cells attract and dynamically interact with monocytes/macrophages. To find biomarkers of disease progression in human melanoma, we used unbiased RNA sequencing and secretome analyses of tumor-macrophage co-cultures. Pathway analysis of genes differentially modulated in human macrophages exposed to melanoma cells revealed a general upregulation of inflammatory hallmark gene sets, particularly chemokines. A selective group of chemokines, including CCL8, CCL15, and CCL20, was actively secreted upon melanoma-macrophage co-culture. Because we previously described the role of CCL20 in melanoma, we focused our study on CCL8 and CCL15 and confirmed that in vitro both chemokines contributed to melanoma survival, proliferation, and 3D invasion through CCR1 signaling. In vivo, both chemokines enhanced primary tumor growth, spontaneous lung metastasis, and circulating tumor cell survival and lung colonization in mouse xenograft models. Finally, we explored the clinical significance of CCL8 and CCL15 expression in human skin melanoma, screening a collection of 67 primary melanoma samples, using multicolor fluorescence and quantitative image analysis of chemokine-chemokine receptor content at the single-cell level. Primary skin melanomas displayed high CCR1 expression, but there was no difference in its level of expression between metastatic and nonmetastatic cases. By contrast, comparative analysis of these two clinically divergent groups showed a highly significant difference in the cancer cell content of CCL8 (p = 0.025) and CCL15 (p < 0.0001). Kaplan-Meier curves showed that a high content of CCL8 or CCL15 in cancer cells correlated with shorter disease-free and overall survival (log-rank test, p < 0.001). Our results highlight the role of CCL8 and CCL15, which are highly induced by melanoma-macrophage interactions in biologically aggressive primary melanomas and could be clinically applicable biomarkers for patient profiling. © 2024 The Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Celia Barrio-Alonso
- Unidad de Microscopía Confocal, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
- Laboratorio de Inmuno-oncología, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
| | - Alicia Nieto-Valle
- Unidad de Microscopía Confocal, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
- Laboratorio de Inmuno-oncología, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
| | - Elena García-Martínez
- Servicio de Inmunología, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Alba Gutiérrez-Seijo
- Unidad de Microscopía Confocal, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
- Laboratorio de Inmuno-oncología, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
| | - Verónica Parra-Blanco
- Servicio de Anatomía Patológica, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Iván Márquez-Rodas
- Servicio de Oncología Médica, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | | | - Paloma Sánchez-Mateos
- Laboratorio de Inmuno-oncología, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
- Departamento de Inmunología, Universidad Complutense de Madrid, Madrid, Spain
| | - Rafael Samaniego
- Unidad de Microscopía Confocal, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
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Giblin SP, Ranawana S, Hassibi S, Birchenough HL, Mincham KT, Snelgrove RJ, Tsuchiya T, Kanegasaki S, Dyer D, Pease JE. CXCL17 binds efficaciously to glycosaminoglycans with the potential to modulate chemokine signaling. Front Immunol 2023; 14:1254697. [PMID: 37942327 PMCID: PMC10628517 DOI: 10.3389/fimmu.2023.1254697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 10/09/2023] [Indexed: 11/10/2023] Open
Abstract
Introduction CXCL17 is a mucosally secreted protein, and the most recently identified human chemokine, an assignment based on protein fold prediction and chemotactic activity for leukocytes. However, these credentials have been the subject of much recent discussion and no experimental evidence has been presented regarding the definitive structure of CXCL17. In this study, we evaluated the structural and chemoattractant credentials of CXCL17 to better characterize this molecule, and gain deeper insights into its functional role as a glycosaminoglycan (GAG) binding protein. Methods In the absence of structural information, in silico modeling techniques assessed the likelihood of CXCL17 adopting a chemokine fold. Recombinant CXCL17 was synthesized in mammalian and prokaryotic systems. Modified Boyden chamber and real-time chemotaxis assays assessed the ability of CXCL17 to promote chemotaxis of murine splenocytes, human neutrophils, and CXCR1 transfectants. The efficacy of CXCL17 binding to GAGs was quantified with solid-phase assays and bio-layer interferometry techniques. Results All modeling efforts failed to support classification of CXCL17 as a chemokine based on its predicted conformation. Recombinant CXCL17 was observed to dimerize as a function of concentration, a characteristic of several chemokines. Contrary to a previous report, CXCL17 was not chemotactic for murine splenocytes, although it was a low-potency chemoattractant for human neutrophils at micromolar concentrations, several orders of magnitude higher than those required for CXCL8. As anticipated owing to its highly basic nature, CXCL17 bound to GAGs robustly, with key C-terminal motifs implicated in this process. While inactive via CXCR1, CXCL17 was found to inhibit CXCR1-mediated chemotaxis of transfectants to CXCL8 in a dose-dependent manner. Discussion In summary, despite finding little evidence for chemokine-like structure and function, CXCL17 readily bound GAGs, and could modulate chemotactic responses to another chemokine in vitro. We postulate that such modulation is a consequence of superior GAG binding, and that C-terminal fragments of CXCL17 may serve as prototypic inhibitors of chemokine function.
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Affiliation(s)
- Sean P. Giblin
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Sashini Ranawana
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Shyreen Hassibi
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Holly L. Birchenough
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Kyle T. Mincham
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Robert J. Snelgrove
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Tomoko Tsuchiya
- Research Institute, National Center for Global Health and Medicine, Shinjuku-ku, Japan
| | | | - Douglas Dyer
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
- Geoffrey Jefferson Brain Research Centre, Manchester Academic Health Science Centre, Northern Care Alliance NHS Group, University of Manchester, Manchester, United Kingdom
| | - James E. Pease
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
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Fransen LFH, Leonard MO. Induced pluripotent and CD34+ stem cell derived myeloid cells display differential responses to particle and dust mite exposure. Sci Rep 2023; 13:9375. [PMID: 37296179 PMCID: PMC10256772 DOI: 10.1038/s41598-023-36508-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Accepted: 06/05/2023] [Indexed: 06/12/2023] Open
Abstract
Myeloid cells form an essential component of initial responses to environmental hazards and toxic exposures. The ability to model these responses in vitro is central to efforts tasked with identifying hazardous materials and understanding mechanisms of injury and disease. Induced pluripotent stem cell (iPSC) derived cells have been suggested as alternatives to more established primary cell testing systems for these purposes. iPSC derived macrophage and dendritic like cells were compared to CD34+ haematopoietic stem cell derived populations using transcriptomic analysis. Using single cell sequencing-based characterisation of iPSC derived myeloid cells, we identified transitional, mature and M2 like macrophages as well as dendritic like antigen presenting cells and fibrocytes. Direct transcriptomic comparisons between iPSC and CD34+ cell derived populations revealed higher expression of myeloid differentiation genes such as MNDA, CSF1R and CSF2RB in CD34+ cells, while iPSC populations had higher fibroblastic and proliferative markers. Exposure of differentiated macrophage populations to nanoparticle alone or in combination with dust mite, resulted in differential gene expression on combination only, with responses markedly absent in iPSC compared to CD34+ derived cells. The lack of responsiveness in iPSC derived cells may be attributable to lower levels of dust mite component receptors CD14, TLR4, CLEC7A and CD36. In summary, iPSC derived myeloid cells display typical characteristics of immune cells but may lack a fully mature phenotype to adequately respond to environmental exposures.
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Affiliation(s)
- Leonie F H Fransen
- Toxicology Department, Radiation, Chemical and Environmental Hazards Directorate, UK Health Security Agency, Chilton, Harwell Campus, Didcot, OX11 0RQ, UK
| | - Martin O Leonard
- Toxicology Department, Radiation, Chemical and Environmental Hazards Directorate, UK Health Security Agency, Chilton, Harwell Campus, Didcot, OX11 0RQ, UK.
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Giblin SP, Pease JE. What defines a chemokine? - The curious case of CXCL17. Cytokine 2023; 168:156224. [PMID: 37210967 DOI: 10.1016/j.cyto.2023.156224] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 04/28/2023] [Accepted: 05/01/2023] [Indexed: 05/23/2023]
Abstract
Chemotactic cytokines (chemokines) are a group of around 40 small proteins which share a similar protein fold and are well known for their ability to direct the migration of leukocytes to a variety of tissue locations. CXCL17 was the last member of the chemokine family to be assigned and was admitted to the family based on theoretical modelling of the CXCL17 structure and chemotactic activity for monocytes and dendritic cells. Of Interest, CXCL17 expression appears to be restricted to mucosal tissues such as the tongue, stomach and lung, suggestive of specific roles at these locations. A putative CXCL17 receptor, GPR35 was reportedly identified and mice deficient in CXCL17 were generated and characterised. More recently, however, some apparent contradictions regarding aspects of CXCL17 biology have been raised by ourselves and others. Notably, GPR35 appears to be a receptor for the serotonin metabolite 5-hydroxyindoleacetic acid rather than for CXCL17 and modelling of CXCL17 using a variety of platforms fails to identify a chemokine-like fold. In this article, we summarize the discovery of CXCL17 and discuss key papers describing the subsequent characterisation of this protein. Ultimately, we pose the question, 'What defines a chemokine?' (185 words).
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Affiliation(s)
- Sean Patrick Giblin
- National Heart and Lung Institute, Imperial College London, London SW7 2AZ, UK
| | - James Edward Pease
- National Heart and Lung Institute, Imperial College London, London SW7 2AZ, UK.
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He C, He L, Lu Q, Xiao J, Dong W. The functions and prognostic values of chemokine and chemokine receptors in gastric cancer. Am J Cancer Res 2022; 12:3034-3050. [PMID: 35968351 PMCID: PMC9360243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 06/08/2022] [Indexed: 06/15/2023] Open
Abstract
Chemokine and chemokine receptors (CCRs) play a significant role in tumor infiltration of immune cells, tumor angiogenesis and distant metastasis. In this study, we explored the importance of CCRs in gastric cancer (GC) by analyzing the datasets from TCGA database. First, we analyzed the characteristics of the CCRs mutations. Then, we screened the differentially expressed CCRs and performed GO functional annotation and KEGG pathway analyses to explore their potential biological functions. Using multivariate Cox regression analyses, we constructed a prediction model based on four-CCRs (CCL15, CCL21, CCR3 and ACKR3) signature, and we found that the risk score of the model was an independent prognostic factor of GC. Next, a nomogram was constructed to assess the prognosis of GC patients. GSEA indicated that the high-risk group was significantly enriched in immune response and immune system process. Moreover, GSVA was employed to investigate the up- and down-regulated signaling pathways in the high- and low-risk groups. The correlation between risk score and immune-cell infiltration indicated that the four-CCRs signature might play a pivotal role in GC immune microenvironment. In conclusion, we revealed the potential molecular mechanisms of CCRs in GC and constructed a prediction model which might guide personalized treatment and prognosis for GC patients.
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Affiliation(s)
- Chenglong He
- Department of Oncology, Zhongshan City People’s HospitalZhongshan 528400, Guangdong, China
| | - Liping He
- Guangdong Provincial People’s Hospital Zhuhai HospitalZhuhai 519040, Guangdong, China
| | - Qiaowei Lu
- Department of Oncology, Zhongshan City People’s HospitalZhongshan 528400, Guangdong, China
| | - Jianjun Xiao
- Department of Oncology, Zhongshan City People’s HospitalZhongshan 528400, Guangdong, China
| | - Wenjing Dong
- Department of Oncology, Zhongshan City People’s HospitalZhongshan 528400, Guangdong, China
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Oncogenic Kras-Mediated Cytokine CCL15 Regulates Pancreatic Cancer Cell Migration and Invasion through ROS. Cancers (Basel) 2022; 14:cancers14092153. [PMID: 35565279 PMCID: PMC9104113 DOI: 10.3390/cancers14092153] [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: 03/25/2022] [Revised: 04/19/2022] [Accepted: 04/21/2022] [Indexed: 11/30/2022] Open
Abstract
Simple Summary Oncogenic KrasG12D and tumor inflammation are critical components of the development and dissemination of pancreatic ductal adenocarcinoma (PDAC). The aim of this study is to investigate a lesser-known cytokine, CCL15, that functions as a new downstream target of KrasG12D with the purpose of regulating PDAC cell migration and invasion. We showed increased levels of CCL15 as well as the presence of its receptors, including CCR1 and CCR3, in PDAC tissues and cell lines. The knockdown of CCL15 diminished metastatic Panc-1 cell migration, whereas the treatment of CCL15 in non-metastatic BxPC-3 cells promoted BxPC-3 cell motility. Similar results were verified using murine metastatic PDAC KP-2 cells. Furthermore, we demonstrated that CCL15-modulated PDAC cell migration through the upregulation of cellular reactive oxygen species (ROS) levels and the knockdown of KrasG12D resulted in a decrease in CCL15. Altogether, our data unveiled a new mechanism of oncogenic KrasG12D in modulating PDAC inflammation and spreading. Abstract Pancreatic ductal adenocarcinoma (PDAC) is well known for its high death rate due to prompt cancer metastasis caused by cancer cell migration and invasion within the early stages of its development. Here, we reveal a new function of cytokine CCL15, namely the upregulation of PDAC cell migration and invasion. We showed increased levels of CCL15 transcripts and protein expressions in human PDAC tissue samples, as well as in cultured cell lines. Furthermore, PDAC cells also expressed CCL15 receptors, including CCR1 and CCR3. Murine PDAC cell lines and tissues strengthened this finding. The manipulation of CCL15 in metastatic Panc-1 cells through CCL15 knockdown or CCL15 neutralization decreased Panc-1 cell motility and invasiveness. In addition, treating non-metastatic BxPC-3 cells with recombinant CCL15 accelerated the cell migration of BxPC-3. A reduction in the levels of reactive oxygen species (ROS) by either N-Acetyl-L-Cysteine treatment or p22phox knockdown led to a decrease in Panc-1 cell migration and a reversed effect on recombinant CCL15-promoted BxPC-3 cell movement. Importantly, the knockdown of oncogenic Kras in Panc-1 cells abolished CCL15 protein expression and impeded cell migration without affecting PDAC cell growth. Altogether, our work elucidates an additional molecular pathway of oncogenic Kras to promote PDAC metastasis through the upregulation of cell migration and invasion by the Kras downstream CCL15, a lesser-known cytokine within the cancer research field.
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Zheng Y, Yu Y, Chen XF, Yang SL, Tang XL, Xiang ZG. Intestinal Macrophage Autophagy and its Pharmacological Application in Inflammatory Bowel Disease. Front Pharmacol 2021; 12:803686. [PMID: 34899362 PMCID: PMC8652230 DOI: 10.3389/fphar.2021.803686] [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: 10/28/2021] [Accepted: 11/09/2021] [Indexed: 11/28/2022] Open
Abstract
Inflammatory bowel disease (IBD), comprised of Crohn’s disease (CD) and ulcerative colitis (UC), is a group of chronic inflammatory disorders. IBD is regarded as a severe healthcare problem worldwide, with high morbidity and lethality. So far, despite of numerous studies on this issue, the specific mechanisms of IBD still remain unclarified and ideal treatments are not available for IBD. The intestinal mucosal barrier is vital for maintaining the function of the intestinal self-defensive system. Among all of the components, macrophage is an important one in the intestinal self-defensive system, normally protecting the gut against exotic invasion. However, the over-activation of macrophages in pathological conditions leads to the overwhelming induction of intestinal inflammatory and immune reaction, thus damaging the intestinal functions. Autophagy is an important catabolic mechanism. It has been proven to participate the regulation of various kinds of inflammation- and immune-related disorders via the regulation of inflammation in related cells. Here in this paper, we will review the role and mechanism of intestinal macrophage autophagy in IBD. In addition, several well-studied kinds of agents taking advantage of intestinal macrophage autophagy for the treatment of IBD will also be discussed. We aim to bring novel insights in the development of therapeutic strategies against IBD.
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Affiliation(s)
- Yang Zheng
- Department of Gastroenterology, 904 Hospital of PLA Joint Logistic Support Force, Wuxi, China
| | - Yang Yu
- Department of Gastroenterology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Xu-Feng Chen
- Department of Gastroenterology, 904 Hospital of PLA Joint Logistic Support Force, Wuxi, China
| | - Sheng-Lan Yang
- Department of Gastroenterology, 904 Hospital of PLA Joint Logistic Support Force, Wuxi, China
| | - Xiao-Long Tang
- Department of Gastroenterology, 904 Hospital of PLA Joint Logistic Support Force, Wuxi, China
| | - Zheng-Guo Xiang
- Department of Gastroenterology, 904 Hospital of PLA Joint Logistic Support Force, Wuxi, China
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Gu Y, Wang C, Chen S, Tang J, Guo X, Hu W, Cui A, Zhang D, Yu K, Chen M. A Critical Role of Peptidylprolyl Isomerase A Pseudogene 22/microRNA-197-3p/Peptidylprolyl Isomerase A Axis in Hepatocellular Carcinoma. Front Genet 2021; 12:604461. [PMID: 33790943 PMCID: PMC8006304 DOI: 10.3389/fgene.2021.604461] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Accepted: 02/26/2021] [Indexed: 12/09/2022] Open
Abstract
The burden of hepatocellular carcinoma (HCC) worldwide is increasing over time, while the underlying molecular mechanism of HCC development is still under exploration. Pseudogenes are classified as a special type of long non-coding RNAs (lncRNAs), and they played a vital role in regulating tumor-associated gene expression. Here, we report that a pseudogene peptidylprolyl isomerase A pseudogene 22 (PPIAP22) and its parental gene peptidylprolyl isomerase A (PPIA) were upregulated in HCC and were associated with the clinical outcomes of HCC. Further investigation revealed that PPIAP22 might upregulate the expression of PPIA through sponging microRNA (miR)-197-3p, behaving as competing endogenous RNA (ceRNA). PPIA could participate in the development of HCC by regulating mRNA metabolic process and tumor immunity based on the functional enrichment analysis. We also found a strong correlation between the expression levels of PPIA and the immune cell infiltration or the expression of chemokines, especially macrophage, C-C motif chemokine ligand 15 (CCL15), and C-X-C motif chemokine ligand 12 (CXCL12). Our findings demonstrate that the PPIAP22/miR-197-3p/PPIA axis plays a vital role in the progression of HCC by increasing the malignancy of tumor cells and regulating the immune cell infiltration, especially macrophage, through CCL15-CCR1 or CXCL12-CXCR4/CXCR7 pathways.
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Affiliation(s)
- Yuwei Gu
- Department of Infectious Diseases, Huashan Hospital, Shanghai, China
| | - Chao Wang
- Emergency Department, Huashan Hospital, Shanghai, China
| | - Shengsen Chen
- Department of Endoscopy, Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, China.,Institute of Cancer and Basic Medicine (IBMC), Chinese Academy of Sciences, Hangzhou, China
| | - Jia Tang
- Department of Infectious Diseases, Huashan Hospital, Shanghai, China
| | - Xiaoxiao Guo
- Department of Infectious Diseases, Huashan Hospital, Shanghai, China
| | - Wei Hu
- Shanghai Medical College of Fudan University, Shanghai, China
| | - An Cui
- Department of Infectious Diseases, Huashan Hospital, Shanghai, China
| | - Dian Zhang
- Emergency Department, Huashan Hospital, Shanghai, China
| | - Kangkang Yu
- Department of Infectious Diseases, Huashan Hospital, Shanghai, China
| | - Mingquan Chen
- Department of Infectious Diseases, Huashan Hospital, Shanghai, China.,Emergency Department, Huashan Hospital, Shanghai, China
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CC Chemokines in a Tumor: A Review of Pro-Cancer and Anti-Cancer Properties of the Ligands of Receptors CCR1, CCR2, CCR3, and CCR4. Int J Mol Sci 2020; 21:ijms21218412. [PMID: 33182504 PMCID: PMC7665155 DOI: 10.3390/ijms21218412] [Citation(s) in RCA: 165] [Impact Index Per Article: 41.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 11/06/2020] [Accepted: 11/08/2020] [Indexed: 12/14/2022] Open
Abstract
CC chemokines, a subfamily of 27 chemotactic cytokines, are a component of intercellular communication, which is crucial for the functioning of the tumor microenvironment. Although many individual chemokines have been well researched, there has been no comprehensive review presenting the role of all known human CC chemokines in the hallmarks of cancer, and this paper aims at filling this gap. The first part of this review discusses the importance of CCL1, CCL3, CCL4, CCL5, CCL18, CCL19, CCL20, CCL21, CCL25, CCL27, and CCL28 in cancer. Here, we discuss the significance of CCL2 (MCP-1), CCL7, CCL8, CCL11, CCL13, CCL14, CCL15, CCL16, CCL17, CCL22, CCL23, CCL24, and CCL26. The presentation of each chemokine includes its physiological function and then the role in tumor, including proliferation, drug resistance, migration, invasion, and organ-specific metastasis of tumor cells, as well as the effects on angiogenesis and lymphangiogenesis. We also discuss the effects of each CC chemokine on the recruitment of cancer-associated cells to the tumor niche (eosinophils, myeloid-derived suppressor cells (MDSC), tumor-associated macrophages (TAM), tumor-associated neutrophils (TAN), regulatory T cells (Treg)). On the other hand, we also present the anti-cancer properties of CC chemokines, consisting in the recruitment of tumor-infiltrating lymphocytes (TIL).
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Korbecki J, Kojder K, Barczak K, Simińska D, Gutowska I, Chlubek D, Baranowska-Bosiacka I. Hypoxia Alters the Expression of CC Chemokines and CC Chemokine Receptors in a Tumor-A Literature Review. Int J Mol Sci 2020; 21:ijms21165647. [PMID: 32781743 PMCID: PMC7460668 DOI: 10.3390/ijms21165647] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 08/03/2020] [Accepted: 08/04/2020] [Indexed: 02/06/2023] Open
Abstract
Hypoxia, i.e., oxygen deficiency condition, is one of the most important factors promoting the growth of tumors. Since its effect on the chemokine system is crucial in understanding the changes in the recruitment of cells to a tumor niche, in this review we have gathered all the available data about the impact of hypoxia on β chemokines. In the introduction, we present the chronic (continuous, non-interrupted) and cycling (intermittent, transient) hypoxia together with the mechanisms of activation of hypoxia inducible factors (HIF-1 and HIF-2) and NF-κB. Then we describe the effect of hypoxia on the expression of chemokines with the CC motif: CCL1, CCL2, CCL3, CCL4, CCL5, CCL7, CCL8, CCL11, CCL13, CCL15, CCL16, CCL17, CCL18, CCL19, CCL20, CCL21, CCL22, CCL24, CCL25, CCL26, CCL27, CCL28 together with CC chemokine receptors: CCR1, CCR2, CCR3, CCR4, CCR5, CCR6, CCR7, CCR8, CCR9, and CCR10. To better understand the effect of hypoxia on neoplastic processes and changes in the expression of the described proteins, we summarize the available data in a table which shows the effect of individual chemokines on angiogenesis, lymphangiogenesis, and recruitment of eosinophils, myeloid-derived suppressor cells (MDSC), regulatory T cells (Treg), and tumor-associated macrophages (TAM) to a tumor niche.
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Affiliation(s)
- Jan Korbecki
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland; (J.K.); (D.S.); (D.C.)
| | - Klaudyna Kojder
- Department of Anaesthesiology and Intensive Care, Pomeranian Medical University in Szczecin, Unii Lubelskiej 1, 71-281 Szczecin, Poland;
| | - Katarzyna Barczak
- Department of Conservative Dentistry and Endodontics, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland;
| | - Donata Simińska
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland; (J.K.); (D.S.); (D.C.)
| | - Izabela Gutowska
- Department of Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland;
| | - Dariusz Chlubek
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland; (J.K.); (D.S.); (D.C.)
| | - Irena Baranowska-Bosiacka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland; (J.K.); (D.S.); (D.C.)
- Correspondence: ; Tel.: +48-914661515; Fax: +48-914661516
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11
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Watanabe M, Horimasu Y, Iwamoto H, Yamaguchi K, Sakamoto S, Masuda T, Nakashima T, Miyamoto S, Ohshimo S, Fujitaka K, Hamada H, Kohno N, Hattori N. C-C Motif Chemokine Ligand 15 May Be a Useful Biomarker for Predicting the Prognosis of Patients with Chronic Hypersensitivity Pneumonitis. Respiration 2019; 98:212-220. [PMID: 31416084 DOI: 10.1159/000500576] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Accepted: 04/25/2019] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Chronic hypersensitivity pneumonitis (CHP) is characterized by lymphocytic inflammation and progressive fibrosis of the lung caused by a variety of inhaled antigens. Due to the difficulty of accurately diagnosing CHP, and the poor prognosis associated with the condition, a novel clinical biomarker is urgently needed. OBJECTIVE To investigate the usefulness of C-C motif chemokine ligand 15 (CCL15), which had been demonstrated to highly express in the lungs of CHP patients, as a clinical biomarker for CHP. METHOD Immunohistochemical investigations were performed on lung tissue from CHP patients, and CCL15 levels in serum and bronchoalveolar lavage fluid (BALF) were measured via the enzyme-linked immunosorbent assay. RESULTS Immunohistochemistry investigations revealed high CCL15 expression in the lungs of CHP patients. Serum CCL15 levels in CHP patients (29.1 ± 2.1 μg/mL) were significantly higher than those of idiopathic pulmonary fibrosis patients (19.7 ± 1.3 μg/mL, p = 0.01) and healthy subjects (19.5 ± 1.7 μg/mL, p = 0.003). When BALF CCL15 level was divided by BALF albumin (Alb) level (BALF CCL15/Alb), it was significantly inversely correlated with forced vital capacity (β = -0.47, p = 0.0006), percentage of predicted carbon monoxide diffusion capacity of the lung (β = -0.41, p = 0.0048), and BALF lymphocyte count (β = -0.34, p = 0.01) in CHP patients. Multivariate Cox proportional hazards analysis revealed that high BALF CCL15/Alb and poor prognosis were statistically significantly independently correlated in CHP patients (HR 1.1, 95% CI 1.03-1.18, p = 0.004). CONCLUSION The results of the current study suggest that CCL15 may be a useful prognostic biomarker for CHP. CCL15 was highly expressed in the lung tissue of CHP patients, and BALF CCL15/Alb was significantly associated with CHP prognosis.
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Affiliation(s)
- Masako Watanabe
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Yasushi Horimasu
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan,
| | - Hiroshi Iwamoto
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Kakuhiro Yamaguchi
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Shinjiro Sakamoto
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Takeshi Masuda
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Taku Nakashima
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Shintaro Miyamoto
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Shinichiro Ohshimo
- Department of Emergency and Critical Care Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Kazunori Fujitaka
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Hironobu Hamada
- Department of Physical Analysis and Therapeutic Sciences, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Nobuoki Kohno
- Hiroshima Cosmopolitan University, Minami-ku, Hiroshima, Japan
| | - Noboru Hattori
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
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Metformin enhances gefitinib efficacy by interfering with interactions between tumor-associated macrophages and head and neck squamous cell carcinoma cells. Cell Oncol (Dordr) 2019; 42:459-475. [DOI: 10.1007/s13402-019-00446-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/26/2019] [Indexed: 02/06/2023] Open
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Bosso M, Ständker L, Kirchhoff F, Münch J. Exploiting the human peptidome for novel antimicrobial and anticancer agents. Bioorg Med Chem 2017; 26:2719-2726. [PMID: 29122440 DOI: 10.1016/j.bmc.2017.10.038] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 10/28/2017] [Indexed: 12/22/2022]
Abstract
Infectious diseases and cancers are leading causes of death and pose major challenges to public health. The human peptidome encompasses millions of compounds that display an enormous structural and functional diversity and represents an excellent source for the discovery of endogenous agents with antimicrobial and/or anticancer activity. Here, we discuss how to exploit the human peptidome for novel antimicrobial and anticancer agents through the generation of peptide libraries from human body fluids and tissues and stepwise purification of bioactive compounds.
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Affiliation(s)
- Matteo Bosso
- Institute of Molecular Virology, Ulm University Medical Center, Meyerhofstrasse 1, 89081 Ulm, Germany
| | - Ludger Ständker
- Ulm Peptide Pharmaceuticals, Ulm University, Albert-Einstein-Allee 47, 89081 Ulm, Germany; Core Facility Functional Peptidomics, Ulm University Medical Center, Albert-Einstein-Allee 47, 89081 Ulm, Germany
| | - Frank Kirchhoff
- Institute of Molecular Virology, Ulm University Medical Center, Meyerhofstrasse 1, 89081 Ulm, Germany; Ulm Peptide Pharmaceuticals, Ulm University, Albert-Einstein-Allee 47, 89081 Ulm, Germany
| | - Jan Münch
- Institute of Molecular Virology, Ulm University Medical Center, Meyerhofstrasse 1, 89081 Ulm, Germany; Ulm Peptide Pharmaceuticals, Ulm University, Albert-Einstein-Allee 47, 89081 Ulm, Germany; Core Facility Functional Peptidomics, Ulm University Medical Center, Albert-Einstein-Allee 47, 89081 Ulm, Germany.
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Inhibition of IKKɛ and TBK1 Improves Glucose Control in a Subset of Patients with Type 2 Diabetes. Cell Metab 2017; 26:157-170.e7. [PMID: 28683283 PMCID: PMC5663294 DOI: 10.1016/j.cmet.2017.06.006] [Citation(s) in RCA: 114] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 04/06/2017] [Accepted: 06/13/2017] [Indexed: 12/12/2022]
Abstract
Numerous studies indicate an inflammatory link between obesity and type 2 diabetes. The inflammatory kinases IKKɛ and TBK1 are elevated in obesity; their inhibition in obese mice reduces weight, insulin resistance, fatty liver and inflammation. Here we studied amlexanox, an inhibitor of IKKɛ and TBK1, in a proof-of-concept randomized, double-blind, placebo-controlled study of 42 obese patients with type 2 diabetes and nonalcoholic fatty liver disease. Treatment of patients with amlexanox produced a statistically significant reduction in Hemoglobin A1c and fructosamine. Interestingly, a subset of drug responders also exhibited improvements in insulin sensitivity and hepatic steatosis. This subgroup was characterized by a distinct inflammatory gene expression signature from biopsied subcutaneous fat at baseline. They also exhibited a unique pattern of gene expression changes in response to amlexanox, consistent with increased energy expenditure. Together, these data suggest that dual-specificity inhibitors of IKKɛ and TBK1 may be effective therapies for metabolic disease in an identifiable subset of patients.
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Yamamoto T, Kawada K, Itatani Y, Inamoto S, Okamura R, Iwamoto M, Miyamoto E, Chen-Yoshikawa TF, Hirai H, Hasegawa S, Date H, Taketo MM, Sakai Y. Loss of SMAD4 Promotes Lung Metastasis of Colorectal Cancer by Accumulation of CCR1+ Tumor-Associated Neutrophils through CCL15-CCR1 Axis. Clin Cancer Res 2016; 23:833-844. [PMID: 27492974 DOI: 10.1158/1078-0432.ccr-16-0520] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2016] [Revised: 07/01/2016] [Accepted: 07/22/2016] [Indexed: 11/16/2022]
Abstract
PURPOSE We have reported loss of SMAD4 promotes expression of CCL15 from colorectal cancer to recruit CCR1+ myeloid cells through the CCL15-CCR1 axis, which contributes to invasion and liver metastasis. However, the molecular mechanism of lung metastasis is yet to be elucidated. Our purpose is to determine whether similar mechanism is involved in the lung metastasis of colorectal cancer. EXPERIMENTAL DESIGN In a mouse model, we examined whether SMAD4 could affect the metastatic activity of colorectal cancer cells to the lung through the CCL15-CCR1 axis. We immunohistochemically analyzed expression of SMAD4, CCL15, and CCR1 with 107 clinical specimens of colorectal cancer lung metastases. We also characterized the CCR1+ myeloid cells using several cell-type-specific markers. RESULTS In a mouse model, CCL15 secreted from SMAD4-deficient colorectal cancer cells recruited CCR1+ cells, promoting their metastatic activities to the lung. Immunohistochemical analysis of lung metastases from colorectal cancer patients revealed that CCL15 expression was significantly correlated with loss of SMAD4, and that CCL15-positive metastases recruited approximately 1.9 times more numbers of CCR1+ cells than CCL15-negative metastases. Importantly, patients with CCL15-positive metastases showed a significantly shorter relapse-free survival (RFS) than those with CCL15-negative metastases, and multivariate analysis indicated that CCL15 expression was an independent predictor of shorter RFS. Immunofluorescent staining showed that most CCR1+ cells around lung metastases were tumor-associated neutrophil, although a minor fraction was granulocytic myeloid-derived suppressor cell. CONCLUSIONS CCL15-CCR1 axis may be a therapeutic target to prevent colorectal cancer lung metastasis. CCL15 can be a biomarker indicating poor prognosis of colorectal cancer patients with lung metastases. Clin Cancer Res; 23(3); 833-44. ©2016 AACR.
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Affiliation(s)
- Takamasa Yamamoto
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kenji Kawada
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - Yoshiro Itatani
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Department of Pharmacology, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Moores UCSD Cancer Center, University of California, San Diego, La Jolla, California
| | - Susumu Inamoto
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Ryosuke Okamura
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Masayoshi Iwamoto
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Ei Miyamoto
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | | | - Hideyo Hirai
- Department of Transfusion Medicine and Cell Therapy, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Suguru Hasegawa
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hiroshi Date
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Makoto M Taketo
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Department of Pharmacology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yoshiharu Sakai
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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16
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CCL15 overexpression predicts poor prognosis for hepatocellular carcinoma. Hepatol Int 2015; 10:488-92. [PMID: 26643668 DOI: 10.1007/s12072-015-9683-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Accepted: 11/03/2015] [Indexed: 10/22/2022]
Abstract
OBJECTIVES The purpose of this study was to study the expression of CCL15 in hepatocellular carcinoma (HCC) and explore its clinicopathological significance, and study relationships between expressions of CCL15 and malignant behaviors of HCC. METHODS The SP immunohistochemical method was used to detect expression of CCL15 in routinely paraffin-embedded sections from 80 cases of HCC, 80 of adjacent cancerous specimens and 50 of normal liver tissue. In these patients with HCC, Kaplan-Meier was used to assess survival outcomes. RESULTS The positive rates and scores of CCL15 were significantly higher in HCC than adjacent cancerous specimens and normal liver tissue (p < 0.05), but not significantly higher between adjacent cancerous specimens and normal liver tissue (p > 0.05). The expression of CCL15 was significantly correlated to tumor size, tumor thrombi in portal vein of HCC, capsule and TNM stage (p < 0.05), but not to sex, age, liver cirrhosis and the level of AFP so on (p > 0.05). Survival time of the patients with positive CCL15 expression was significantly decreased, and multivariate analysis indicated CCL15 expression was one of the independent predictors of survival (p = 0.042). CONCLUSION The expression of CCL15 was significantly correlated with malignant behaviors of HCC, and CCL15 might be important biological markers for reflecting the carcinogenesis, progression, biological behaviors and prognosis of HCC.
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17
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Li Y, Wu J, Zhang P. CCL15/CCR1 axis is involved in hepatocellular carcinoma cells migration and invasion. Tumour Biol 2015; 37:4501-7. [PMID: 26501423 DOI: 10.1007/s13277-015-4287-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Accepted: 10/19/2015] [Indexed: 12/14/2022] Open
Abstract
The identification of new biomarkers for the early detection of hepatocellular carcinoma is critical in the development of tumor-targeted therapy, which is possibly advantageous on the prognosis of this disease. Results from our previous study indicated that CCL15 can be a specific proteomic biomarker of hepatocellular carcinoma, which plays an important role in tumorigenesis and tumor invasion. In this study, we found that CCL15 can induce hepatocellular carcinoma cell migration and invasion. Furthermore, CCR1, the receptor of CCL15, was demonstrated to play a critical role in metastatic hepatocellular carcinoma. CCR1 short hairpin RNA significantly inhibited CCL15-induced chemotaxis and invasion of HepG2 cells. Moreover, CCR1 knockdown significantly limited the activity and expression of matrix metalloproteinase-2 (MMP-2) and MMP-9. These findings suggest that CCR1 plays critical roles in hepatocellular carcinoma metastasis, which indicates that CCR1 may be a potential molecular target in hepatocellular carcinoma therapy.
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Affiliation(s)
- Yueguo Li
- Department of Clinical Laboratory, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, People's Republic of China.
- Key Laboratory of Cancer Prevention and Therapy, The National "863" Program of Clinical Research Laboratory, Tianjin, 300060, People's Republic of China.
| | - Jing Wu
- Department of Laboratory, Tianjin Third Central Hospital, Tianjin, 300170, People's Republic of China
| | - Peng Zhang
- Department of Clinical Laboratory, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, People's Republic of China
- Key Laboratory of Cancer Prevention and Therapy, The National "863" Program of Clinical Research Laboratory, Tianjin, 300060, People's Republic of China
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Chemokines in chronic liver allograft dysfunction pathogenesis and potential therapeutic targets. Clin Dev Immunol 2013; 2013:325318. [PMID: 24382971 PMCID: PMC3870628 DOI: 10.1155/2013/325318] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2013] [Accepted: 10/03/2013] [Indexed: 02/05/2023]
Abstract
Despite advances in immunosuppressive drugs, long-term success of liver transplantation is still limited by the development of chronic liver allograft dysfunction. Although the exact pathogenesis of chronic liver allograft dysfunction remains to be established, there is strong evidence that chemokines are involved in organ damage induced by inflammatory and immune responses after liver surgery. Chemokines are a group of low-molecular-weight molecules whose function includes angiogenesis, haematopoiesis, mitogenesis, organ fibrogenesis, tumour growth and metastasis, and participating in the development of the immune system and in inflammatory and immune responses. The purpose of this review is to collect all the research that has been done so far concerning chemokines and the pathogenesis of chronic liver allograft dysfunction and helpfully, to pave the way for designing therapeutic strategies and pharmaceutical agents to ameliorate chronic allograft dysfunction after liver transplantation.
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19
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Bodelon C, Polley MY, Kemp TJ, Pesatori AC, McShane LM, Caporaso NE, Hildesheim A, Pinto LA, Landi MT. Circulating levels of immune and inflammatory markers and long versus short survival in early-stage lung cancer. Ann Oncol 2013; 24:2073-9. [PMID: 23680692 DOI: 10.1093/annonc/mdt175] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Some patients diagnosed with early-stage lung cancer and treated according to standard care survive for only a short period of time, while others survive for years for reasons that are not well understood. Associations between markers of inflammation and survival from lung cancer have been observed. MATERIALS AND METHODS Here, we investigate whether circulating levels of 77 inflammatory markers are associated with long versus short survival in stage I and II lung cancer. Patients who had survived either <79 weeks (~1.5 years) (short survivors, SS) or >156 weeks (3 years) (long survivors, LS) were selected from a retrospective population-based study. Logistic regression was used to calculate adjusted odds ratios (ORs) and corresponding 95% confidence intervals (CIs). The false discovery rate was calculated to adjust for multiple testing. RESULTS A total of 157 LS and 84 SS were included in this analysis. Thirteen markers had adjusted OR on the order of 2- to 5-fold when comparing the upper and lower quartiles with regard to the odds of short survival versus long. Chemokine CCL15 [chemokine (C-C motif) ligand 15] was the most significant marker associated with increased odds of short survival (ORs = 4.93; 95% CI 1.90-12.8; q-value: 0.042). Smoking and chronic obstructive pulmonary disease were not associated with marker levels. CONCLUSIONS Our results provide some evidence that deregulation of inflammatory responses may play a role in the survival of early-stage lung cancer. These findings will require confirmation in future studies.
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Affiliation(s)
- C Bodelon
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD 20852, USA.
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Shimizu Y, Dobashi K. CC-chemokine CCL15 expression and possible implications for the pathogenesis of IgE-related severe asthma. Mediators Inflamm 2012; 2012:475253. [PMID: 23258953 PMCID: PMC3508751 DOI: 10.1155/2012/475253] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2012] [Accepted: 10/12/2012] [Indexed: 11/18/2022] Open
Abstract
Airway inflammation is accompanied by infiltration of inflammatory cells and an abnormal response of airway smooth muscle. These cells secrete chemokines and express the cell surface chemokine receptors that play an important role in the migration and degranulation of inflammatory cells. Omalizumab is a monoclonal antibody directed against immunoglobulin E, and its blocking of IgE signaling not only reduces inflammatory cell infiltration mediated by the Th2 immune response but also inhibits other immune responses. The chemokine CCL15 is influenced by omalizumab, and the source of CCL15 has been reported to be airway smooth muscle cells and basophils. CCL15 binds to its receptor CCR1, which has been reported to be expressed by various inflammatory cells and also by airway smooth muscle cells. Therefore, CCL15/CCR1 signaling could be a target for the treatment of asthma. We review the role of CCL15 in the pathogenesis of asthma and also discuss the influence of IgE-mediated immunomodulation via CCL15 and its receptor CCR1.
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Affiliation(s)
- Yasuo Shimizu
- Department of Pulmonary Medicine, Maebashi Red Cross Hospital, 3-21-36 Asahi-Cho, Gunma, Maebashi 371-0014, Japan.
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Starr AE, Dufour A, Maier J, Overall CM. Biochemical analysis of matrix metalloproteinase activation of chemokines CCL15 and CCL23 and increased glycosaminoglycan binding of CCL16. J Biol Chem 2011; 287:5848-60. [PMID: 22147696 PMCID: PMC3285354 DOI: 10.1074/jbc.m111.314609] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Leukocyte migration and activation is orchestrated by chemokines, the cleavage of which modulates their activity and glycosaminoglycan binding and thus their roles in inflammation and immunity. Early research identified proteolysis as a means of both activating or inactivating CXC chemokines and inactivating CC chemokines. Recent evidence has shown activating cleavages of the monocyte chemoattractants CCL15 and CCL23 by incubation with synovial fluid, although the responsible proteases could not be identified. Herein we show that CCL15 is processed in human synovial fluid by matrix metalloproteinases (MMPs) and serine proteases. Furthermore, a family-wide investigation of MMP processing of all 14 monocyte-directed CC chemokines revealed that each is precisely cleaved by one or more MMPs. By MALDI-TOF-MS, 149 cleavage sites were sequenced including the first reported instance of CCL1, CCL16, and CCL17 proteolysis. Full-length CCL15-(1–92) and CCL23-(1–99) were cleaved within their unique 31 and 32-amino acid residue extended amino termini, respectively. Unlike other CCL chemokines that lose activity and become receptor antagonists upon MMP cleavage, the prominent MMP-processed products CCL15-(25–92, 28–92) and CCL23-(26–99) are stronger agonists in calcium flux and Transwell CC receptor transfectant and monocytic THP-1 migration assays. MMP processing of CCL16-(1–97) in its extended carboxyl terminus yields two products, CCL16-(8–77) and CCL16-(8–85), with both showing unexpected enhanced glycosaminoglycan binding. Hence, our study reveals for the first time that MMPs activate the long amino-terminal chemokines CCL15 and CCL23 to potent forms that have potential to increase monocyte recruitment during inflammation.
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Affiliation(s)
- Amanda E Starr
- Centre for Blood Research, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
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Joubert P, Lajoie-Kadoch S, Wellemans V, Létuvé S, Tulic MK, Halayko AJ, Hamid Q. Expression and regulation of CCL15 by human airway smooth muscle cells. Clin Exp Allergy 2011; 42:85-94. [PMID: 22092970 DOI: 10.1111/j.1365-2222.2011.03894.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2011] [Revised: 09/15/2011] [Accepted: 09/16/2011] [Indexed: 01/13/2023]
Abstract
BACKGROUND Structural cells are an important reservoir of chemokines that coordinate the influx of various immune cells to the lungs of asthmatics. Airway smooth muscle cells (ASMC) are an important source of these chemokines. CCL15 is a recently described chemo-attractant for neutrophils, eosinophils, monocytes and lymphocytes. OBJECTIVE To determine the production and the regulation of CCL15 by ASMC and to investigate its production in asthmatic airways. METHODS Human ASMC were obtained from main bronchial airway segments of patients with mild, moderate and severe asthma. To induce chemokine production, cells were incubated with IL-4, IL-13, TNF-α or IFN-γ in presence or absence of dexamethasone, mithramycin A (SP-1 inhibitor) or the IKK-2 inhibitor, AS602868. CCL15 mRNA expression was evaluated by real-time PCR. Immunoreactive CCL15 was detected by immuno-fluorescence and CCL15 protein concentration in the supernatant was measured using ELISA. RESULTS CCL15 is constitutively expressed in human ASMC and is strongly up-regulated by TNF-α. This up-regulation is inhibited by dexamethasone, mithramycin A and AS602868. TNF-α-induced CCL15 levels can be synergistically enhanced by the presence of IFN-γ, at both the transcriptional and translation level. This synergism is NF-κB-dependent. Asthmatic biopsies demonstrated higher expression of CCL15 compared with non-asthmatic controls. CONCLUSION AND CLINICAL RELEVANCE Our results show that ASMC are a potent source of CCL15 in the airways and may directly participate in the recruitment of inflammatory cells to asthmatic airways. Targeting the production of CCL15 by ASMC might reduce the inflammatory response within the airways of asthmatic patients.
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Affiliation(s)
- P Joubert
- Meakins-Christie Laboratories, McGill University, Montréal, Québec, Canada
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Dua P, Chaudhari KN, Lee CH, Chaudhari NK, Hong SW, Yu JS, Kim SY, Lee DK. Evaluation of Toxicity and Gene Expression Changes Triggered by Oxide Nanoparticles. B KOREAN CHEM SOC 2011. [DOI: 10.5012/bkcs.2011.32.6.2051] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Widdison S, Coffey TJ. Cattle and chemokines: evidence for species-specific evolution of the bovine chemokine system. Anim Genet 2011; 42:341-53. [DOI: 10.1111/j.1365-2052.2011.02200.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Kotarsky K, Sitnik KM, Stenstad H, Kotarsky H, Schmidtchen A, Koslowski M, Wehkamp J, Agace WW. A novel role for constitutively expressed epithelial-derived chemokines as antibacterial peptides in the intestinal mucosa. Mucosal Immunol 2010; 3:40-8. [PMID: 19812544 DOI: 10.1038/mi.2009.115] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Intestinal-derived chemokines have a central role in orchestrating immune cell influx into the normal and inflamed intestine. Here, we identify the chemokine CCL6 as one of the most abundant chemokines constitutively expressed by both murine small intestinal and colonic epithelial cells. CCL6 protein localized to crypt epithelial cells, was detected in the gut lumen and reached high concentrations at the mucosal surface. Its expression was further enhanced in the small intestine following in vivo administration of LPS or after stimulation of the small intestinal epithelial cell line, mIC(c12), with IFNgamma, IL-4 or TNFalpha. Recombinant- and intestinal-derived CCL6 bound to a subset of the intestinal microflora and displayed antibacterial activity. Finally, the human homologs to CCL6, CCL14 and CCL15 were also constitutively expressed at high levels in human intestinal epithelium, were further enhanced in inflammatory bowel disease and displayed similar antibacterial activity. These findings identify a novel role for constitutively expressed, epithelial-derived chemokines as antimicrobial peptides in the intestinal mucosa.
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Affiliation(s)
- K Kotarsky
- Immunology Section, Department of Experimental Medical Sciences, Lund University, Lund, Sweden.
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Shimizu K, Minami M, Shubiki R, Lopez-Ilasaca M, MacFarlane L, Asami Y, Li Y, Mitchell RN, Libby P. CC chemokine receptor-1 activates intimal smooth muscle-like cells in graft arterial disease. Circulation 2009; 120:1800-13. [PMID: 19841301 PMCID: PMC2996873 DOI: 10.1161/circulationaha.109.859595] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Graft arterial disease (GAD) limits long-term solid-organ allograft survival. The thickened intima in GAD contains smooth muscle-like cells (SMLCs), leukocytes, and extracellular matrix. The intimal SMLCs in mouse GAD lesions differ from medial smooth muscle cells in their function and phenotype. Although intimal SMLCs may originate by migration and modulation of donor medial cells or by recruitment of host-derived precursors, the mechanisms that underlie their localization within grafts and the factors that drive these processes remain unclear. METHODS AND RESULTS This study of aortic transplantation in mice demonstrated an important function for chemokines beyond their traditional role in leukocyte recruitment and activation. Intimal SMLCs, but not medial smooth muscle cells, express functional CC chemokine receptor-1 (CCR1) and respond to RANTES by increased migration and proliferation. Although RANTES infusion in vivo promoted inflammatory cell accumulation in the adventitia of aortic allografts of wild-type and CCR1-deficient recipients, it increased GAD intimal thickening with SMLC proliferation in only the wild-type hosts. Aortic allografts transplanted into CCR1-deficient mice after wild-type bone marrow transplantation did not develop intimal lesions, which indicates that CCR1-bearing inflammatory cells do not contribute to intimal lesion formation. Moreover, RANTES induced SMLC proliferation in vitro but did not promote medial smooth muscle cell growth. Blockade of CCR5 attenuated RANTES-induced T-cell and monocyte/macrophage proliferation but did not affect RANTES-induced SMLC proliferation, consistent with a larger role of CCR1-binding chemokines in SMLC migration and proliferation and GAD development. CONCLUSIONS These studies provide a novel mechanistic insight into the formation of vascular intimal hyperplasia and suggest a novel therapeutic strategy for preventing allograft arteriopathy.
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Affiliation(s)
- Koichi Shimizu
- Donald W. Reynolds Cardiovascular Clinical Research Center, Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.
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Leukotactin-1/CCL15 induces cell migration and differentiation of human eosinophilic leukemia EoL-1 cells through PKCdelta activation. Mol Biol Rep 2009; 37:2149-56. [PMID: 19669929 DOI: 10.1007/s11033-009-9687-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2009] [Accepted: 07/28/2009] [Indexed: 10/20/2022]
Abstract
Leukotactin-1 (Lkn-1)/CCL15 is a CC chemokine that binds to the CCR1 and CCR3. Lkn-1 functions as an essential factor in the migration of monocytes, lymphocytes, and neutrophils. Although eosinophils express both receptors, the role of Lkn-1 in immature eosinophils remains to be elucidated. In this present study, we investigated the contribution of the CCR1-binding chemokines to chemotactic activity and in the differentiation in the human eosinophilic leukemia cell line EoL-1. Lkn-1 induced the stronger migration of EoL-1 cells than other CCR1-binding chemokines such as RANTES/CCL5, MIP-1alpha/CCL3 and HCC-4/CCL16. Lkn-1-induced chemotaxis was inhibited by pertussis toxin, an inhibitor of G(i)/G(o) protein; U73122, an inhibitor of phospholipase C and rottlerin, an inhibitor of protein kinase C delta (PKCdelta). Lkn-1 increased PKCdelta activity, which was partially blocked by the pertussis toxin and U73122. Lkn-1 enhanced the butyric acid-induced differentiation via PKCdelta after binding to the increased CCR1 because Lkn-1 caused EoL-1 cells to change morphologically into mature eosinophil-like cells. Likewise, Lkn-1 increased the expression of both eosinophil peroxidase (EPO) and the major basic protein (MBP). PKCdelta activation due to Lkn-1 is involved in migration, as well as the butyric acid-induced differentiation. This finding contributes to an understanding of CC chemokines in eosinophil biology and to the development of novel therapies for the treatment of eosinophilic disorders. This study suggests the pivotal roles of Lkn-1 in the regulation of the movement and development of eosinophils.
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Richter R, Casarosa P, Ständker L, Münch J, Springael JY, Nijmeijer S, Forssmann WG, Vischer HF, Vakili J, Detheux M, Parmentier M, Leurs R, Smit MJ. Significance of N-Terminal Proteolysis of CCL14a to Activity on the Chemokine Receptors CCR1 and CCR5 and the Human Cytomegalovirus-Encoded Chemokine Receptor US28. THE JOURNAL OF IMMUNOLOGY 2009; 183:1229-37. [DOI: 10.4049/jimmunol.0802145] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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29
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Arakelyan A, Kriegova E, Kubistova Z, Mrazek F, Kverka M, du Bois RM, Kolek V, Petrek M. Protein levels of CC chemokine ligand (CCL)15, CCL16 and macrophage stimulating protein in patients with sarcoidosis. Clin Exp Immunol 2009; 155:457-65. [PMID: 19220835 DOI: 10.1111/j.1365-2249.2008.03832.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
The objective of this study was to assess protein levels for candidate cytokines, chemokines, growth factors, matrix metalloproteinases and their inhibitors in bronchoalveolar lavage fluid (BALF) in patients with polar forms of pulmonary sarcoidosis, i.e. Löfgren's syndrome (LS) and more advanced chest X-ray (CXR) stage III disease. Twenty-four inflammatory molecules were analysed in unconcentrated BALF samples from 10 sarcoidosis patients with CXR stage III and 10 patients with LS by semiquantitative protein array. Four novel molecules [CC chemokine ligand (CCL)15, CCL16, macrophage migration inhibitory factor (MIF) and macrophage stimulating protein (MSP)], detected for the first time in association with sarcoidosis, were then quantified by enzyme-linked immunosorbent assay in a second cohort of 68 sarcoidosis patients and 17 control subjects. The protein levels of CCL15, CCL16, CCL24, CXCL8, CXCL9, CXCL10, interleukin-16, MIF, MSP and matrix metallopeptidase 1 were increased in CXR stage III patients when compared with patients with LS. CCL15 and MSP up-regulation in CXR stage III patients in comparison with LS patients and controls was confirmed by enzyme-linked immunosorbent assay. Moreover, MSP was associated with treatment requirement (P = 0.001) and CCL15 was elevated in patients with disease progression at 2-year follow-up (P = 0.016). CCL16 levels were increased in sarcoidosis versus controls (P < 0.05), but no difference was observed between patient subgroups. MIF up-regulation was not confirmed in a larger patient group. In conclusion, chemokines CCL15, CCL16 and MSP were found elevated for the first time in BALF from sarcoidosis patients; our results showed that CCL15 and MSP may affect disease course.
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Affiliation(s)
- A Arakelyan
- Laboratory of Immunogenomics, Palacky University, Olomouc, Czech Republic
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31
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CCL genes in multiple sclerosis and systemic lupus erythematosus. J Neuroimmunol 2008; 200:145-52. [PMID: 18602166 DOI: 10.1016/j.jneuroim.2008.05.016] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2008] [Revised: 05/22/2008] [Accepted: 05/27/2008] [Indexed: 12/15/2022]
Abstract
This follow up study aims to refine the roles of previously suggested candidate genes (CC chemokine ligands or CCLs) in multiple sclerosis (MS), and to test these markers in another autoimmune disorder, systemic lupus erythematosus (SLE). After stringent correction for multiple testing, we reject the importance of previously suggested borderline associations with CCLs in MS. A new finding is the differential distribution of CCL8 marker alleles and a haplotype in extreme severity subgroups of MS. In SLE, this study reveals strong associations with a marker and a haplotype encompassing the CCL14 gene, which suggests that a lupus relevant variant may lie within or in the proximity of this haplotype.
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Coelho AL, Schaller MA, Benjamim CF, Orlofsky AZ, Hogaboam CM, Kunkel SL. The chemokine CCL6 promotes innate immunity via immune cell activation and recruitment. THE JOURNAL OF IMMUNOLOGY 2007; 179:5474-82. [PMID: 17911634 DOI: 10.4049/jimmunol.179.8.5474] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Septic syndrome is a consequence of innate immune failure. Recent studies showed that the CC chemokine CCL6 enhanced antimicrobial immunity during experimental sepsis through an unknown mechanism. The present study demonstrates that transgenic CCL6 expression abolishes mortality in a septic peritonitis model via the modulation of resident peritoneal cell activation and, more importantly, through the recruitment of IFN-producing NK cells and killer dendritic cells into the peritoneum. Thus, CCL6 attenuates the immune failure during sepsis, in part, through a protective type 1-cytokine mediated mechanism.
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MESH Headings
- Animals
- Cell Movement/immunology
- Cells, Cultured
- Chemokines, CC/biosynthesis
- Chemokines, CC/genetics
- Chemokines, CC/physiology
- Dendritic Cells/cytology
- Dendritic Cells/immunology
- Dendritic Cells/metabolism
- Female
- Immunity, Innate
- Interferon-gamma/biosynthesis
- Interferon-gamma/physiology
- Killer Cells, Natural/cytology
- Killer Cells, Natural/immunology
- Killer Cells, Natural/metabolism
- Macrophage Activation/immunology
- Macrophages, Peritoneal/cytology
- Macrophages, Peritoneal/immunology
- Macrophages, Peritoneal/metabolism
- Mice
- Mice, Inbred C57BL
- Mice, Transgenic
- Peritoneum/cytology
- Peritoneum/immunology
- Peritoneum/metabolism
- Peritonitis/immunology
- Peritonitis/metabolism
- Peritonitis/pathology
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Affiliation(s)
- Ana L Coelho
- Department of Pathology, University of Michigan, Ann Arbor, Michigan 48109, USA.
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Colobran R, Pujol-Borrell R, Armengol MP, Juan M. The chemokine network. I. How the genomic organization of chemokines contains clues for deciphering their functional complexity. Clin Exp Immunol 2007; 148:208-17. [PMID: 17437419 PMCID: PMC1868879 DOI: 10.1111/j.1365-2249.2007.03344.x] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Chemokines are a superfamily of small structurally related cytokines that have evolved to form a complex network of proteins that typically regulate leucocyte traffic but also carry very diverse sets of immune and non-immune functions. Two general features of cytokines, redundancy and promiscuity, are particularly prominent in chemokines. In part, these properties result from repeated processes of gene duplication and diversification, which has led to the present complex genomic map of chemokines, which contains cases of non-allelic isoforms, copy number polymorphisms and classical allelic variation. This genomic complexity is compounded with pre-translational and post-translational mechanisms resulting in a complex network of proteins whose essential functions are maintained, constituting a remarkable case of robustness reminiscent of crucial metabolic pathways. This reflects the adaptation of a system under strong evolutive pressure, supporting the concept that the chemokine system is essential for the coordination, regulation and fine-tuning of the type of immune response. In this first review, we analyse currently available data on the chemokine superfamily, focusing on its complex genomic organization. Genes encoding essential inflammatory chemokines are grouped into defined chromosomal locations as clusters and miniclusters that, from the genetic point of view, can be considered single entities given their overall functions (many ligands of a cluster bind to a few shared receptors). We will try to interpret this genomic organization of chemokines in relation to the main functions acquired by each individual member or by each cluster. In a second review, we shall focus on the relationship of chemokine variability and disease susceptibility.
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Affiliation(s)
- R Colobran
- Laboratory of Immunobiology for Research and Application to Diagnosis (LIRAD), Tissue and Blood Bank (BST), Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol (IGTP), Badalona, Spain
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Abstract
As therapeutic strategies to prevent acute rejection progressively improve, transplant vasculopathy (TV) constitutes the single most important limitation for long-term functioning of solid organ allografts. In TV, allograft arteries characteristically develop severe, diffuse intimal hyperplastic lesions that eventually compromise luminal flow and cause ischemic graft failure. Traditional immunosuppressive strategies that check acute allograft rejection do not prevent TV; indeed 50% of transplant recipients will have significant disease within five years of organ transplantation, and 90% will have significant TV a decade after their surgery. TV can involve the entire length of the transplanted arterial bed, including penetrating intraorgan arterioles. Indeed, the luminal narrowing of such penetrating vessels may be the most functionally significant because arterioles represent the major contributors to tissue vascular resistance. Because of the diffuseness of TV involvement in the allograft vascular bed, the only currently definitive therapy requires re-transplantation. Nevertheless, as we better understand the pathogenesis and critical mediators of these lesions, pharmacological advances can be anticipated. Other articles in this thematic review series focus on the specifics of the inciting injury, the cytokines and chemokines that drive TV development, and the nature of the recruited cells in TV lesions, as well as the pathogenic similarities between TV and other vascular lesions such as atherosclerosis. This review focuses on the mechanisms of vascular wall remodeling in TV, including the intimal accumulation of smooth muscle-like cells and associated extracellular matrix, medial smooth muscle cell degeneration, and adventitial fibrosis. A brief overview highlights the aneurysmal changes that can accrue when vessel wall inflammation has a cytokine profile distinct from the typical proinflammatory interferon-gamma-dominated milieu.
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Affiliation(s)
- Richard N Mitchell
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, 77 Ave Louis Pasteur, Boston, MA 02115, USA.
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Manns J, Rieder S, Escher S, Eilers B, Forssmann WG, Elsner J, Forssmann U. The allergy-associated chemokine receptors CCR3 and CCR5 can be inactivated by the modified chemokine NNY-CCL11. Allergy 2007; 62:17-24. [PMID: 17156337 DOI: 10.1111/j.1398-9995.2006.01230.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND CC chemokine ligand 11 (CCL11) is the outstanding member of all described CC chemokine receptor 3 (CCR3) ligands and is shown to be selective for this receptor. However, it also activates CCR5 but only in the micromolar range. The in vivo activity of CCL11 is expected to be temporally restricted, as it is degraded by specific proteases such as the dipeptidyl-peptidase IV (DP4), also termed CD26. Based on the approach to inactivate chemokine receptors in allergic disease models as has been demonstrated for DP4-resistant n-nonanoyl (NNY)-CCL14 and for amino-oxypentane (AOP)-CCL5, it is tempting to study similar compounds derived from CCL11. METHODS Synthesis of NNY-CCL11 was performed and it was characterized for biological functions in human and mouse eosinophils as well as in cell lines stably transfected either with human CCR3 or CCR5. Resistance to DP4 treatment was also investigated. RESULTS The functional activities of NNY-CCL11 mediated via CCR3 show an almost identical pattern to CCL11 with respect to intracellular calcium mobilization and CCR3 internalization. N-terminal cleavage of CCL11 by preincubation with DP4 results in a reduced capacity to internalize CCR3, while preincubation of NNY-CCL11 shows no influence. In contrast to CCL11, NNY-CCL11 also activates CCR5+ cell lines and human monocytes in the nanomolar range, being about 100 times more potent than CCL11. CONCLUSIONS n-Nonanoyl-CCL11 represents a compound with dual activity restricted to CCR3 and CCR5. Because of its receptor-inactivating capacity and stability against DP4 degradation, NNY-CCL11 is a suitable tool for the decoding of the pathophysiological mechanisms of allergic diseases.
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Affiliation(s)
- J Manns
- IPF Pharmaceuticals GmbH, An-Institut of Hannover Medical School, Hannover, Germany
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36
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Richter R, Forssmann U, Henschler R, Escher S, Frimpong-Boateng A, Forssmann WG. Increase of expression and activation of chemokine CCL15 in chronic renal failure. Biochem Biophys Res Commun 2006; 345:1504-12. [PMID: 16737685 DOI: 10.1016/j.bbrc.2006.05.057] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2006] [Accepted: 05/10/2006] [Indexed: 11/19/2022]
Abstract
Chemokines are believed to be involved in the pathogenesis of chronic renal failure (CRF). In CRF, significantly increased CCL15-IR plasma concentrations were detected. Whereas in plasma of healthy individuals one predominant CCL15-IR molecule with a M(w) of 15kDa [high molecular weight (HMW-CCL15-IR)] was identified, CRF plasma contains increased concentrations of truncated CCL15-IR molecules [intermediate molecular weight (IMW-CCL15-IR)]. HMW-CCL15-IR isolated from hemofiltrate revealed an M(w) of 10141.3, corresponding to deglycosylated CCL15(1-92) carrying a N-terminal pyrrolidone carboxylic acid. CCL15(12-92) was identified as a major component of IMW-CCL15-IR in CRF plasma. Compared to CCL15(1-92), in monocytes CCL15(12-92) causes stronger induction of intracellular calcium flux, chemotactic activity, and adhesion to fibronectin. Intracellular calcium flux assays revealed that, in comparison to peripheral blood mononuclear cells (PBMC) of healthy donors, PBMCs of CRF patients demonstrated an increased sensitivity to CCL15. Our results point to an involvement of the CCL15-CCR1 axis in the pathophysiology of CRF.
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Akiva P, Toporik A, Edelheit S, Peretz Y, Diber A, Shemesh R, Novik A, Sorek R. Transcription-mediated gene fusion in the human genome. Genome Res 2005; 16:30-6. [PMID: 16344562 PMCID: PMC1356126 DOI: 10.1101/gr.4137606] [Citation(s) in RCA: 213] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Transcription of a gene usually ends at a regulated termination point, preventing the RNA-polymerase from reading through the next gene. However, sporadic reports suggest that chimeric transcripts, formed by transcription of two consecutive genes into one RNA, can occur in human. The splicing and translation of such RNAs can lead to a new, fused protein, having domains from both original proteins. Here, we systematically identified over 200 cases of intergenic splicing in the human genome (involving 421 genes), and experimentally demonstrated that at least half of these fusions exist in human tissues. We showed that unique splicing patterns dominate the functional and regulatory nature of the resulting transcripts, and found intergenic distance bias in fused compared with nonfused genes. We demonstrate that the hundreds of fused genes we identified are only a subset of the actual number of fused genes in human. We describe a novel evolutionary mechanism where transcription-induced chimerism followed by retroposition results in a new, active fused gene. Finally, we provide evidence that transcription-induced chimerism can be a mechanism contributing to the evolution of protein complexes.
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Shin YH, Son KN, Lee GW, Kwon BS, Kim J. Transcriptional regulation of human CC chemokine CCL15 gene by NF-kappaB and AP-1 elements in PMA-stimulated U937 monocytoid cells. ACTA ACUST UNITED AC 2005; 1732:38-42. [PMID: 16364464 DOI: 10.1016/j.bbaexp.2005.11.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2005] [Revised: 10/11/2005] [Accepted: 11/01/2005] [Indexed: 11/20/2022]
Abstract
CCL15 exerts biological effects on a variety of cells, including monocytes. NF-kappaB has been reported to be involved in the transcription of the CCL15 gene. In this study, we have identified an AP-1 element located at -76/-65, which appears to regulate the transcription of the CCL15 gene. We also confirmed that the AP-1 factor binds to the element. Specific inhibitors for MAPK pathways and expression of dominant negative MKK4 or JNK1 reduced PMA-induced transcriptional activation of CCL15. Our findings indicate that transcription of the CCL15 gene is regulated by AP-1 and NF-kappaB through MEK and JNK MAPK pathways in monocytoid cells.
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Affiliation(s)
- Yong-Hyun Shin
- Graduate School of Biotechnology and Institute of Life Sciences and Resources, Kyung Hee University, Yongin 449-701, Korea
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Richter R, Bistrian R, Escher S, Forssmann WG, Vakili J, Henschler R, Spodsberg N, Frimpong-Boateng A, Forssmann U. Quantum proteolytic activation of chemokine CCL15 by neutrophil granulocytes modulates mononuclear cell adhesiveness. THE JOURNAL OF IMMUNOLOGY 2005; 175:1599-608. [PMID: 16034099 DOI: 10.4049/jimmunol.175.3.1599] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Monocyte infiltration into inflammatory sites is generally preceded by neutrophils. We show here that neutrophils may support this process by activation of CCL15, a human chemokine circulating in blood plasma. Neutrophils were found to release CCL15 proteolytic activity in the course of hemofiltration of blood from renal insufficiency patients. Processing of CCL15 immunoreactivity (IR) in the pericellular space is suggested by a lack of proteolytic activity in blood and blood filtrate, but a shift of the retention time (t(R)) of CCL15-IR, detected by chromatographic separation of CCL15-IR in blood and hemofiltrate. CCL15 molecules with N-terminal deletions of 23 (delta23) and 26 (delta26) aa were identified as main proteolytic products in hemofiltrate. Neutrophil cathepsin G was identified as the principal protease to produce delta23 and delta26 CCL15. Also, elastase displays CCL15 proteolytic activity and produces a delta21 isoform. Compared with full-length CCL15, delta23 and delta26 isoforms displayed a significantly increased potency to induce calcium fluxes and chemotactic activity on monocytes and to induce adhesiveness of mononuclear cells to fibronectin. Thus, our findings indicate that activation of monocytes by neutrophils is at least in part induced by quantum proteolytic processing of circulating or endothelium-bound CCL15 by neutrophil cathepsin G.
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Gupta S, Schulz-Maronde S, Kutzleb C, Richter R, Forssmann WG, Kapp A, Forssmann U, Elsner J. Cloning, expression, and functional characterization of cynomolgus monkey (Macaca fascicularis) CC chemokine receptor 1. J Leukoc Biol 2005; 78:1175-84. [PMID: 16204626 DOI: 10.1189/jlb.0605326] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
The CC chemokine receptor 1 (CCR1) has emerged as a relevant factor contributing to inflammatory diseases such as allergic asthma. Commonly used animal models of allergic airway inflammation, especially murine models, have certain limitations. The elaborate, nonhuman, primate models of asthma display the highest comparability with the situation in humans. These models play an important role in the understanding of the pathogenesis of asthma. To improve the understanding in cynomolgus monkey models, we identified and characterized CCR1 in this nonhuman primate. Initially, we cloned the cynomolgus monkey CCR1 (cCCR1) gene, and the sequence analysis revealed high homology at the nucleotide (92%) and amino acid (88.4%) levels with its human counterpart. Human embryonic kidney 293 cells were stably transfected with cCCR1 and used in functional assays. Among those CCR1 ligands tested, CCL14(9-74) was most potent in the induction of intracellular Ca2+ fluxes as observed for human CCR1 (hCCR1). Complete cross-desensitization could be achieved between CCL14(9-74) and CCL15. However, CCL3 could not fully abrogate the response to the potent ligand CCL14(9-74). Competition-binding studies with radiolabeled CCL3 concordantly showed that CCL14(9-74) has a higher affinity to cCCR1 than hCCL3. Moreover, differential tissue-specific expression of cCCR1 was investigated by real-time quantitative polymerase chain reaction, displaying the highest levels in spleen. This study adds basic information needed for the evaluation of the role of CCR1 in the pathophysiology of asthma using the highly relevant cynomolgus monkey model and in addition, aids in the preclinical evaluation of potential novel drugs targeting CCR1.
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MESH Headings
- Amino Acid Sequence
- Animals
- Binding, Competitive
- Cell Line
- Chemokines/pharmacology
- Chemokines, CC/pharmacology
- Cloning, Molecular
- Disease Models, Animal
- GTP-Binding Protein alpha Subunits, Gi-Go/genetics
- Gene Expression Regulation
- Humans
- Ligands
- Macaca fascicularis/genetics
- Mice
- Molecular Sequence Data
- Rats
- Receptors, CCR1
- Receptors, Chemokine/drug effects
- Receptors, Chemokine/genetics
- Receptors, Chemokine/metabolism
- Reverse Transcriptase Polymerase Chain Reaction
- Sequence Homology, Amino Acid
- Time Factors
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Affiliation(s)
- Shipra Gupta
- Department of Dermatology and Allergology, An-Institut, Hannover Medical School, Germany
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Haringman JJ, Smeets TJM, Reinders-Blankert P, Tak PP. Chemokine and chemokine receptor expression in paired peripheral blood mononuclear cells and synovial tissue of patients with rheumatoid arthritis, osteoarthritis, and reactive arthritis. Ann Rheum Dis 2005; 65:294-300. [PMID: 16107514 PMCID: PMC1798063 DOI: 10.1136/ard.2005.037176] [Citation(s) in RCA: 177] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BACKGROUND Chemokine receptors and chemokines have a crucial role in leucocyte recruitment into inflamed tissue. OBJECTIVE To examine the expression of an extensive number of chemokines and receptors in a unique bank of paired samples of synovial tissue (ST) and peripheral blood (PB) from patients with different forms of arthritis to assist in identifying suitable targets for therapeutic intervention. METHODS Synovial biopsy specimens were obtained from 23 patients with rheumatoid arthritis (RA), 16 with osteoarthritis, and 8 with reactive arthritis. ST chemokine (CCL2/MCP-1, CCL5/RANTES, CCL7/MCP-3, CCL8/MCP-2, CCL14/HCC-1, CCL15/HCC-2, CCL16/HCC-4), chemokine receptor (CCR1, CCR2b, CCR5, CXCR4), and CD13 expression was analysed by immunohistochemistry and two colour immunofluorescence. Chemokine receptor expression (CCR1, CCR3, CCR5, CCR6, CCR7) on PB cells was studied by flow cytometry. Non-parametric tests were used for statistical analysis. RESULTS Abundant expression of CCR1, CXCR4, and CCR5 was found in all forms of arthritis, with a specific increase of CCL5 and CCL15 in RA. CCL7, CCL8, CCL14, CCL15, and CCL16 were detected for the first time in ST. The results for PB analysis were comparable among different arthritides. Interestingly, compared with healthy controls, significantly lower expression of CCR1 (p<0.005) and CCR5 (p<0.05) by PB monocytes in the patient groups was seen. DISCUSSION A variety of chemokines and receptors might have an important role in several inflammatory joint disorders. Although other receptors are involved as well, migration of CCR1(+) and CCR5(+) cells towards the synovial compartment may play a part in the effector phase of various forms of arthritis.
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MESH Headings
- Adolescent
- Adult
- Aged
- Aged, 80 and over
- Arthritis/blood
- Arthritis/metabolism
- Arthritis, Reactive/blood
- Arthritis, Reactive/metabolism
- Arthritis, Rheumatoid/blood
- Arthritis, Rheumatoid/metabolism
- Chemokines/blood
- Chemokines/metabolism
- Female
- Fluorescent Antibody Technique
- Humans
- Immunoenzyme Techniques
- Leukocytes, Mononuclear/metabolism
- Male
- Middle Aged
- Osteoarthritis/blood
- Osteoarthritis/metabolism
- Receptors, CCR1
- Receptors, CCR5/metabolism
- Receptors, Chemokine/blood
- Receptors, Chemokine/metabolism
- Synovial Membrane/metabolism
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Affiliation(s)
- J J Haringman
- Division of Clinical Immunology and Rheumatology F4-218, Department of Internal Medicine, Academic Medical Centre/University of Amsterdam, Meibergdreef 9, NL-1105 AZ Amsterdam, The Netherlands
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Berahovich RD, Miao Z, Wang Y, Premack B, Howard MC, Schall TJ. Proteolytic activation of alternative CCR1 ligands in inflammation. THE JOURNAL OF IMMUNOLOGY 2005; 174:7341-51. [PMID: 15905581 DOI: 10.4049/jimmunol.174.11.7341] [Citation(s) in RCA: 118] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Although chemokines CCL3/MIP-1alpha and CCL5/RANTES are considered to be primary CCR1 ligands in inflammatory responses, alternative CCR1 ligands have also been described. Indeed, four such chemokines, CCL6/C10/MIP-related protein-1, CCL9/MIP-1gamma/MIP-related protein-2, CCL15/MIP-1delta/hemofiltrate CC chemokine-2/leukotactin-1, and CCL23/CKbeta8/myeloid progenitor inhibitory factor-1, are unique in possessing a separately encoded N-terminal domain of 16-20 residues and two additional precisely positioned cysteines that form a third disulfide bridge. In vitro, these four chemokines are weak CCR1 agonists, but potency can be increased up to 1000-fold by engineered or expression-associated N-terminal truncations. We examined the ability of proinflammatory proteases, human cell supernatants, or physiological fluids to perform N-terminal truncations of these chemokines and thereby activate their functions. Remarkably, most of the proteases and fluids removed the N-terminal domains from all four chemokines, but were relatively unable to cleave the truncated forms further. The truncated chemokines exhibited up to 1000-fold increases in CCR1-mediated signaling and chemotaxis assays in vitro. In addition, N-terminally truncated CCL15/MIP-1delta and CCL23/CKbeta8, but not CCL3/MIP-1alpha or CCL5/RANTES, were detected at relatively high levels in synovial fluids from rheumatoid arthritis patients. These data suggest that alternative CCR1 ligands are converted into potent chemoattractants by proteases released during inflammatory responses in vivo.
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MESH Headings
- Amino Acid Sequence
- Animals
- Arthritis, Rheumatoid/immunology
- Arthritis, Rheumatoid/metabolism
- Arthritis, Rheumatoid/pathology
- Cathepsin G
- Cathepsins/metabolism
- Cell Line, Tumor
- Cells, Cultured
- Chemokines, CC/biosynthesis
- Chemokines, CC/metabolism
- Chymases
- Humans
- Hydrolysis
- Inflammation Mediators/metabolism
- Ligands
- Macrophage Inflammatory Proteins/metabolism
- Mice
- Molecular Sequence Data
- Monokines/biosynthesis
- Monokines/metabolism
- Pancreatic Elastase/metabolism
- Protein Structure, Tertiary
- Receptors, CCR1
- Receptors, Chemokine/metabolism
- Receptors, Chemokine/physiology
- Recombinant Proteins/metabolism
- Recombinant Proteins/pharmacology
- Serine Endopeptidases/metabolism
- Synovial Fluid/enzymology
- Synovial Fluid/immunology
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43
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Wysocki CA, Panoskaltsis-Mortari A, Blazar BR, Serody JS. Leukocyte migration and graft-versus-host disease. Blood 2005; 105:4191-9. [PMID: 15701715 PMCID: PMC1895033 DOI: 10.1182/blood-2004-12-4726] [Citation(s) in RCA: 226] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Graft-versus-host disease (GVHD) remains a significant complication of allogeneic bone marrow transplantation (allo-BMT). Acute GVHD is mediated by immunocompetent donor T cells, which migrate to lymphoid tissues soon after infusion, recognize host alloantigens, and become activated upon interaction with host antigen-presenting cells (APCs). Recent work from our group and others suggests that activated effector T cells exit lymphoid tissues and traffic to mucosal sites and parenchymal target organs such as the gastrointestinal (GI) tract, liver, lung, and skin where they cause tissue damage. The molecular interactions necessary for effector cell migration during GVHD have become the focus of a growing body of research, as these interactions represent potential therapeutic targets. In this review we discuss chemokine and chemokine receptor interactions and adhesion molecules that have been shown to play roles in effector cell migration in experimental GVHD models, and we discuss a potential model for the role of chemokines during the activation phase of GVHD.
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Affiliation(s)
- Christian A Wysocki
- Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-7295, USA
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44
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Escher SE, Forssmann U, Frimpong-Boateng A, Adermann K, Vakili J, Sticht H, Detheux M. Functional analysis of chemically synthesized derivatives of the human CC chemokine CCL15/HCC-2, a high affinity CCR1 ligand. ACTA ACUST UNITED AC 2004; 63:36-47. [PMID: 14984572 DOI: 10.1046/j.1399-3011.2004.00102.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The CCL15 is a human CC chemokine that activates the receptors, CCR1 and CCR3. Unlike other chemokines, it contains an unusually long N-terminal domain of 31 amino acids preceding the first cysteine residue and a third disulfide bond. To elucidate the functional role of distinct structural determinants, a series of sequential amino-terminal truncated and point-mutated CCL15 derivatives as well as mutants lacking the third disulfide bond and the carboxy-terminal alpha-helix were synthesized using 9-fluorenylmethoxycarbonyl (Fmoc) chemistry. We demonstrate that a truncation of 24 amino acid residues (delta24-CCL15) converts the slightly active 92-residue delta0-CCL15 into a potent agonist of CC chemokine receptor 1 (CCR1) and a weak agonist of CCR3 in cell-based assays. The biological activity decreases from delta24-CCL15 to delta29-CCL15, and re-increases from delta29-CCL15 to delta30-CCL15. Thus, an exocyclic N-terminal region of only one amino acid residue is sufficient for efficient CCR1 activation. As none of the peptides investigated except for delta24-CCL15 activates CCR3, we suggest that CCR1 is the major receptor for CCL15 in vivo. Further we demonstrate that the third disulfide bond of CCL15 and an exchange of tyrosine in position 70 by a leucine residue, which is conserved in CXC chemokines, do not alter the interaction with CCR1. In contrast, a CCL15 derivative lacking the carboxy-terminal alpha-helix exhibits a complete loss of tertiary structure and hence loss of CCR1 agonistic and binding activity. This study demonstrates that specific protein residues in chemokines, which contribute to receptor-ligand interaction, vary significantly between chemokines and cannot be extrapolated using data from functionally related chemokines.
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MESH Headings
- Amino Acid Sequence
- Animals
- Binding, Competitive
- CHO Cells
- Calcium/metabolism
- Cell Line, Tumor
- Chemokines, CC
- Chemotaxis, Leukocyte/drug effects
- Cricetinae
- Cricetulus
- Heparin/metabolism
- Humans
- Ligands
- Macrophage Inflammatory Proteins
- Molecular Sequence Data
- Monocytes/immunology
- Monokines/antagonists & inhibitors
- Monokines/chemistry
- Nuclear Magnetic Resonance, Biomolecular
- Peptides/chemical synthesis
- Peptides/chemistry
- Peptides/pharmacology
- Protein Structure, Tertiary
- Radioligand Assay
- Receptors, CCR1
- Receptors, Chemokine/agonists
- Receptors, Chemokine/chemistry
- Receptors, Chemokine/metabolism
- Structure-Activity Relationship
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Affiliation(s)
- S E Escher
- IPF PharmaCeuticals GmbH, Feodor-Lynen-Strasse 31, D-30625 Hannover, Germany.
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45
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Hwang J, Kim CW, Son KN, Han KY, Lee KH, Kleinman HK, Ko J, Na DS, Kwon BS, Gho YS, Kim J. Angiogenic activity of human CC chemokine CCL15 in vitro and in vivo. FEBS Lett 2004; 570:47-51. [PMID: 15251437 DOI: 10.1016/j.febslet.2004.06.023] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2004] [Revised: 05/26/2004] [Accepted: 06/05/2004] [Indexed: 12/21/2022]
Abstract
CCL15 is a novel human CC chemokine and exerts its biological activities on immune cells through CCR1 and CCR3. Because a number of chemokines induce angiogenesis and endothelial cells express CCR1 and CCR3, we investigated the angiogenic activity of CCL15. Both CCL15(1-92) and N-terminal truncated CCL15(25-92) stimulate the chemotactic endothelial cell migration and differentiation, but CCL15(25-92) is at least 100-fold more potent than CCL15(1-92). Treatment with pertussis toxin (PTX), with anti-CCR1, or with anti-CCR3 antibody inhibits the CCL15(25-92)-induced endothelial cell migration. CCL15(25-92) also stimulates sprouting of vessels from aortic rings and mediates angiogenesis in the chick chorioallantoic membrane assay. Our findings demonstrate that CCL15(25-92) has in vitro and in vivo angiogenic activity, and suggest roles of the chemokine in angiogenesis.
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Affiliation(s)
- Jungsu Hwang
- Graduate School of Biotechnology and Institute of Life Sciences and Resources, Kyung Hee University, Yongin 449-701, South Korea
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46
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Ma B, Zhu Z, Homer RJ, Gerard C, Strieter R, Elias JA. The C10/CCL6 chemokine and CCR1 play critical roles in the pathogenesis of IL-13-induced inflammation and remodeling. THE JOURNAL OF IMMUNOLOGY 2004; 172:1872-81. [PMID: 14734772 DOI: 10.4049/jimmunol.172.3.1872] [Citation(s) in RCA: 82] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
IL-13 is a potent stimulator of inflammation and tissue remodeling that plays a key role in the pathogenesis of a wide variety of human disorders. To further understand these responses, studies were undertaken to define the role(s) of the chemokine C10/CCL6 in the pathogenesis of IL-13-induced alterations in the murine lung. IL-13 was a very potent stimulator of C10/CCL6 mRNA and protein, and IL-13-induced inflammation, alveolar remodeling, and compliance alterations were markedly ameliorated after C10/CCL6 neutralization. Treatment with anti-C10/CCL6 decreased the levels of mRNA encoding matrix metalloproteinase-2 (MMP-2), MMP-9, and tissue inhibitor of metalloproteinase-4 (TIMP-4) in lungs from wild-type mice. C10/CCL6 neutralization also decreased the ability of IL-13 to stimulate the production of monocyte chemoattractant protein-1, macrophage inflammatory protein-1alpha, MMP-2, MMP-9, and cathepsins-K, -L, and -S and the ability of IL-13 to inhibit alpha1-antitrypsin. In accord with these findings, a targeted null mutation of CCR1, a putative C10/CCL6 receptor, also decreased IL-13-induced inflammation and alveolar remodeling and caused alterations in chemokines, proteases, and antiproteases comparable to those seen after C10/CCL6 neutralization. These C10/CCL6 and CCR1 manipulations did not alter the production of transgenic IL-13. These studies demonstrate that IL-13 is a potent stimulator of C10/CCL6 and highlight the importance of C10/CCL6 and signaling via CCR1 in the pathogenesis of the IL-13-induced pulmonary phenotype. They also describe a C10/CCL6 target gene cascade in which C10/CCL6 induction is required for optimal IL-13 stimulation of selected chemokines (monocyte chemoattractant protein-1 and MIP-1alpha) and proteases (MMP-2, MMP-9, and cathepsins-K, -L, and -S) and the inhibition of alpha1-antitrypsin.
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MESH Headings
- Animals
- Cathepsins/biosynthesis
- Chemokine CCL2/biosynthesis
- Chemokines, CC/antagonists & inhibitors
- Chemokines, CC/immunology
- Chemokines, CC/metabolism
- Chemokines, CC/physiology
- Down-Regulation/genetics
- Down-Regulation/immunology
- Immune Sera/administration & dosage
- Inflammation/genetics
- Inflammation/immunology
- Inflammation/metabolism
- Inflammation/physiopathology
- Interleukin-13/administration & dosage
- Interleukin-13/biosynthesis
- Interleukin-13/genetics
- Lung/immunology
- Lung/metabolism
- Lung/pathology
- Lung/physiopathology
- Lung Compliance/genetics
- Lung Compliance/immunology
- Lung Volume Measurements
- Matrix Metalloproteinase 2/biosynthesis
- Matrix Metalloproteinase 9/biosynthesis
- Mice
- Mice, Inbred C57BL
- Mice, Knockout
- Mice, Transgenic
- Protease Inhibitors/metabolism
- Pulmonary Alveoli/enzymology
- Pulmonary Alveoli/immunology
- Pulmonary Alveoli/pathology
- Receptors, CCR1
- Receptors, Chemokine/deficiency
- Receptors, Chemokine/genetics
- Receptors, Chemokine/physiology
- Up-Regulation/genetics
- Up-Regulation/immunology
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Affiliation(s)
- Bing Ma
- Section of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT 06520, USA
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47
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High-yield purification and characterization of recombinant human leukotactin-1 inPichia pastoris. BIOTECHNOL BIOPROC E 2004. [DOI: 10.1007/bf02949314] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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48
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Chung KR, Daub ME, Ehrenshaft M. Expression of the cercosporin toxin resistance gene ( CRG1) as a dicistronic mRNA in the filamentous fungus Cercospora nicotianae. Curr Genet 2003; 43:415-24. [PMID: 12802507 DOI: 10.1007/s00294-003-0414-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2003] [Revised: 05/19/2003] [Accepted: 05/22/2003] [Indexed: 11/28/2022]
Abstract
The CRG1 gene in Cercospora nicotianae encodes a transcription factor and is required for cercosporin toxin resistance and production. Cloning and sequencing of the downstream region of the CRG1 gene led to the discovery of an adjacent gene ( PUT1) encoding a putative uracil transporter. Expression of CRG1 and PUT1 as assessed by Northern analysis indicated that, in addition to the expected monocistronic mRNAs (2.6 kb and 2.0 kb, respectively), a common 4.5-kb mRNA could be identified, using either a CRG1 or a PUT1 gene probe. The 2.6-kb transcript identified only by the CRG1 probe was expressed constitutively, whereas the 2.0-kb transcript identified only by the PUT1 probe was differentially expressed in various media. Four cDNA clones containing CRG1, PUT1, and the CRG1- PUT1 intergenic region were identified as part of the products from the 4.5-kb transcript. Both the 4.5-kb and 2.6-kb transcripts were not detectable in three crg1-disrupted mutants, using the CRG1 probe. The 2.0-kb transcript, but not the 4.5-kb one was detected using the PUT1 probe in the three crg1-disrupted mutants. Taken together, we conclude that the 4.5-kb transcript is a dicistronic mRNA of both CRG1 and PUT1 in the fungus C. nicotianae. This is the first example of a dicistronic mRNA identified in filamentous fungi.
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Affiliation(s)
- Kuang-Ren Chung
- Citrus Research and Education Center and Department of Plant Pathology, Institute of Food and Agricultural Sciences, University of Florida, 700 Experiment Station Road, Lake Alfred, FL 33850, USA.
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49
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Nakano K, Tadagaki K, Isegawa Y, Aye MM, Zou P, Yamanishi K. Human herpesvirus 7 open reading frame U12 encodes a functional beta-chemokine receptor. J Virol 2003; 77:8108-15. [PMID: 12829849 PMCID: PMC161960 DOI: 10.1128/jvi.77.14.8108-8115.2003] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Human herpesvirus 7 (HHV-7), which belongs to the betaherpesvirus subfamily, infects mainly CD4+ T cells in vitro and infects children during infancy. After the primary infection, HHV-7 becomes latent. HHV-7 contains two genes (U12 and U51) that encode putative homologs of cellular G-protein-coupled receptors. To analyze the biological function of the U12 gene, we cloned the gene and expressed the U12 protein in cells. The U12 gene encoded a calcium-mobilizing receptor for the EBI1 ligand chemokine-macrophage inflammatory protein 3beta (ELC/MIP-3beta) but not for other chemokines, suggesting that the chemokine selectivity of the U12 gene product is distinct from that of the known mammalian chemokine receptors. These studies revealed that U12 activates distinct transmembrane signaling pathways that may mediate biological functions by binding with a beta-chemokine, ELC/MIP-3beta.
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Affiliation(s)
- Kazushi Nakano
- Department of Microbiology C1, Osaka University Medical School, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan
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50
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Gibejova A, Mrazek F, Subrtova D, Sekerova V, Szotkowska J, Kolek V, du Bois RM, Petrek M. Expression of macrophage inflammatory protein-3 beta/CCL19 in pulmonary sarcoidosis. Am J Respir Crit Care Med 2003; 167:1695-703. [PMID: 12626344 DOI: 10.1164/rccm.200205-487oc] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
In this study, messenger RNA (mRNA) expression for novel T lymphocyte chemoattractants, leukotactin-1, macrophage inflammatory protein (MIP)-3 alpha and MIP-3 beta was investigated in bronchoalveolar lavage fluid (BALF) cells from patients with sarcoidosis, a T cell-mediated disease with typical CD4+ lymphocyte alveolitis. Of these three chemokines, only MIP-3 beta mRNA was upregulated in sarcoidosis, and therefore, protein levels of this chemokine, its pharmacologic regulation, and association with disease clinical course were explored. MIP-3 beta protein concentrations were elevated in BALF from sarcoid patients compared with control subjects (p = 0.001) and in patients with chest X-ray stage II chemokine protein levels were increased compared with stage I (p = 0.003). MIP-3 beta protein was associated predominantly with alveolar macrophages and correlated with BALF lymphocytes and T cell subsets. mRNA expression for the MIP-3 beta receptor, CC chemokine receptor 7, was increased in sarcoidosis and correlated with MIP-3 beta protein levels. MIP-3 beta mRNA and protein expression in BALF cells was suppressed by dexamethasone and cyclosporine A in vitro. In conclusion, MIP-3 beta is implicated in T lymphocyte recruitment in sarcoidosis, is associated with disease progression, and is downregulated by drugs used for sarcoidosis treatment. This novel chemokine, therefore, represents a candidate for studies of sarcoidosis pathobiologic mechanisms.
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MESH Headings
- Adult
- Aged
- Bronchoalveolar Lavage Fluid/chemistry
- Case-Control Studies
- Chemokine CCL19
- Chemokine CCL20
- Chemokines, CC/analysis
- Chemokines, CC/genetics
- Chemokines, CC/immunology
- Cyclosporine/immunology
- Cyclosporine/therapeutic use
- Dexamethasone/immunology
- Dexamethasone/therapeutic use
- Disease Progression
- Down-Regulation/drug effects
- Female
- Gene Expression/drug effects
- Gene Expression/genetics
- Gene Expression/immunology
- Humans
- Immunohistochemistry
- Lymphocyte Activation/drug effects
- Lymphocyte Activation/immunology
- Macrophage Inflammatory Proteins/analysis
- Macrophage Inflammatory Proteins/genetics
- Macrophage Inflammatory Proteins/immunology
- Macrophages, Alveolar/drug effects
- Macrophages, Alveolar/immunology
- Male
- Middle Aged
- RNA, Messenger/analysis
- Receptors, CCR6
- Receptors, Chemokine
- Reverse Transcriptase Polymerase Chain Reaction
- Sarcoidosis, Pulmonary/blood
- Sarcoidosis, Pulmonary/drug therapy
- Sarcoidosis, Pulmonary/immunology
- Sarcoidosis, Pulmonary/pathology
- Severity of Illness Index
- T-Lymphocytes/drug effects
- T-Lymphocytes/immunology
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Affiliation(s)
- Agata Gibejova
- Department of Immunology, Palacky University, Olomouc, Czech Republic
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