1
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Comerford I, McColl SR. Atypical chemokine receptors in the immune system. Nat Rev Immunol 2024; 24:753-769. [PMID: 38714818 DOI: 10.1038/s41577-024-01025-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/18/2024] [Indexed: 05/10/2024]
Abstract
Leukocyte migration is a fundamental component of innate and adaptive immune responses as it governs the recruitment and localization of these motile cells, which is crucial for immune cell priming, effector functions, memory responses and immune regulation. This complex cellular trafficking system is controlled to a large extent via highly regulated production of secreted chemokines and the restricted expression of their membrane-tethered G-protein-coupled receptors. The activity of chemokines and their receptors is also regulated by a subfamily of molecules known as atypical chemokine receptors (ACKRs), which are chemokine receptor-like molecules that do not couple to the classical signalling pathways that promote cell migration in response to chemokine ligation. There has been a great deal of progress in understanding the biology of these receptors and their functions in the immune system in the past decade. Here, we describe the contribution of the various ACKRs to innate and adaptive immune responses, focussing specifically on recent progress. This includes recent findings that have defined the role for ACKRs in sculpting extracellular chemokine gradients, findings that broaden the spectrum of chemokine ligands recognized by these receptors, candidate new additions to ACKR family, and our increasing understanding of the role of these receptors in shaping the migration of innate and adaptive immune cells.
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Affiliation(s)
- Iain Comerford
- The Chemokine Biology Laboratory, School of Molecular & Biomedical Science, The University of Adelaide, Adelaide, South Australia, Australia.
| | - Shaun R McColl
- The Chemokine Biology Laboratory, School of Molecular & Biomedical Science, The University of Adelaide, Adelaide, South Australia, Australia
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2
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Saha S, Khanppnavar B, Maharana J, Kim H, Carino CMC, Daly C, Houston S, Sharma S, Zaidi N, Dalal A, Mishra S, Ganguly M, Tiwari D, Kumari P, Jhingan GD, Yadav PN, Plouffe B, Inoue A, Chung KY, Banerjee R, Korkhov VM, Shukla AK. Molecular mechanism of distinct chemokine engagement and functional divergence of the human Duffy antigen receptor. Cell 2024; 187:4751-4769.e25. [PMID: 39089252 DOI: 10.1016/j.cell.2024.07.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 04/13/2024] [Accepted: 07/03/2024] [Indexed: 08/03/2024]
Abstract
The Duffy antigen receptor is a seven-transmembrane (7TM) protein expressed primarily at the surface of red blood cells and displays strikingly promiscuous binding to multiple inflammatory and homeostatic chemokines. It serves as the basis of the Duffy blood group system in humans and also acts as the primary attachment site for malarial parasite Plasmodium vivax and pore-forming toxins secreted by Staphylococcus aureus. Here, we comprehensively profile transducer coupling of this receptor, discover potential non-canonical signaling pathways, and determine the cryoelectron microscopy (cryo-EM) structure in complex with the chemokine CCL7. The structure reveals a distinct binding mode of chemokines, as reflected by relatively superficial binding and a partially formed orthosteric binding pocket. We also observe a dramatic shortening of TM5 and 6 on the intracellular side, which precludes the formation of the docking site for canonical signal transducers, thereby providing a possible explanation for the distinct pharmacological and functional phenotype of this receptor.
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Affiliation(s)
- Shirsha Saha
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Basavraj Khanppnavar
- Laboratory of Biomolecular Research, Paul Scherrer Institute, Villigen, Switzerland; Institute of Molecular Biology and Biophysics, ETH Zurich, Zurich, Switzerland
| | - Jagannath Maharana
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Heeryung Kim
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Carlo Marion C Carino
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3, Aoba, Aramaki, Aoba-ku, Sendai, Miyagi 980-8578, Japan
| | - Carole Daly
- Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast, Belfast, UK
| | - Shane Houston
- Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast, Belfast, UK
| | - Saloni Sharma
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Nashrah Zaidi
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Annu Dalal
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Sudha Mishra
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Manisankar Ganguly
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Divyanshu Tiwari
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Poonam Kumari
- Division of Neuroscience and Ageing Biology, CSIR-Central Drug Research Institute, Lucknow, India
| | | | - Prem N Yadav
- Division of Neuroscience and Ageing Biology, CSIR-Central Drug Research Institute, Lucknow, India
| | - Bianca Plouffe
- Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast, Belfast, UK
| | - Asuka Inoue
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3, Aoba, Aramaki, Aoba-ku, Sendai, Miyagi 980-8578, Japan
| | - Ka Young Chung
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Ramanuj Banerjee
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, India.
| | - Volodymyr M Korkhov
- Laboratory of Biomolecular Research, Paul Scherrer Institute, Villigen, Switzerland; Institute of Molecular Biology and Biophysics, ETH Zurich, Zurich, Switzerland.
| | - Arun K Shukla
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, India.
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3
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Korbecki J, Bosiacki M, Chlubek D, Baranowska-Bosiacka I. Bioinformatic Analysis of the CXCR2 Ligands in Cancer Processes. Int J Mol Sci 2023; 24:13287. [PMID: 37686093 PMCID: PMC10487711 DOI: 10.3390/ijms241713287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 08/23/2023] [Accepted: 08/24/2023] [Indexed: 09/10/2023] Open
Abstract
Human CXCR2 has seven ligands, i.e., CXCL1, CXCL2, CXCL3, CXCL5, CXCL6, CXCL7, and CXCL8/IL-8-chemokines with nearly identical properties. However, no available study has compared the contribution of all CXCR2 ligands to cancer progression. That is why, in this study, we conducted a bioinformatic analysis using the GEPIA, UALCAN, and TIMER2.0 databases to investigate the role of CXCR2 ligands in 31 different types of cancer, including glioblastoma, melanoma, and colon, esophageal, gastric, kidney, liver, lung, ovarian, pancreatic, and prostate cancer. We focused on the differences in the regulation of expression (using the Tfsitescan and miRDB databases) and analyzed mutation types in CXCR2 ligand genes in cancers (using the cBioPortal). The data showed that the effect of CXCR2 ligands on prognosis depends on the type of cancer. CXCR2 ligands were associated with EMT, angiogenesis, recruiting neutrophils to the tumor microenvironment, and the count of M1 macrophages. The regulation of the expression of each CXCR2 ligand was different and, thus, each analyzed chemokine may have a different function in cancer processes. Our findings suggest that each type of cancer has a unique pattern of CXCR2 ligand involvement in cancer progression, with each ligand having a unique regulation of expression.
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Affiliation(s)
- Jan Korbecki
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland; (J.K.); (M.B.); (D.C.)
- Department of Anatomy and Histology, Collegium Medicum, University of Zielona Góra, Zyty 28 St., 65-046 Zielona Góra, Poland
| | - Mateusz Bosiacki
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland; (J.K.); (M.B.); (D.C.)
- Department of Functional Diagnostics and Physical Medicine, Faculty of Health Sciences, Pomeranian Medical University in Szczecin, Żołnierska Str. 54, 71-210 Szczecin, Poland
| | - Dariusz Chlubek
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland; (J.K.); (M.B.); (D.C.)
| | - Irena Baranowska-Bosiacka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland; (J.K.); (M.B.); (D.C.)
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4
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Korbecki J, Bosiacki M, Barczak K, Łagocka R, Chlubek D, Baranowska-Bosiacka I. The Clinical Significance and Role of CXCL1 Chemokine in Gastrointestinal Cancers. Cells 2023; 12:1406. [PMID: 37408240 DOI: 10.3390/cells12101406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 05/09/2023] [Accepted: 05/15/2023] [Indexed: 07/07/2023] Open
Abstract
One area of cancer research is the interaction between cancer cells and immune cells, in which chemokines play a vital role. Despite this, a comprehensive summary of the involvement of C-X-C motif ligand 1 (CXCL1) chemokine (also known as growth-regulated gene-α (GRO-α), melanoma growth-stimulatory activity (MGSA)) in cancer processes is lacking. To address this gap, this review provides a detailed analysis of CXCL1's role in gastrointestinal cancers, including head and neck cancer, esophageal cancer, gastric cancer, liver cancer (hepatocellular carcinoma (HCC)), cholangiocarcinoma, pancreatic cancer (pancreatic ductal adenocarcinoma), and colorectal cancer (colon cancer and rectal cancer). This paper presents the impact of CXCL1 on various molecular cancer processes, such as cancer cell proliferation, migration, and invasion, lymph node metastasis, angiogenesis, recruitment to the tumor microenvironment, and its effect on immune system cells, such as tumor-associated neutrophils (TAN), regulatory T (Treg) cells, myeloid-derived suppressor cells (MDSCs), and macrophages. Furthermore, this review discusses the association of CXCL1 with clinical aspects of gastrointestinal cancers, including its correlation with tumor size, cancer grade, tumor-node-metastasis (TNM) stage, and patient prognosis. This paper concludes by exploring CXCL1's potential as a therapeutic target in anticancer therapy.
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Affiliation(s)
- Jan Korbecki
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
- Department of Anatomy and Histology, Collegium Medicum, University of Zielona Góra, Zyty 28 St., 65-046 Zielona Góra, Poland
| | - Mateusz Bosiacki
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
- Department of Functional Diagnostics and Physical Medicine, Faculty of Health Sciences, Pomeranian Medical University in Szczecin, Żołnierska 54 Str., 71-210 Szczecin, Poland
| | - Katarzyna Barczak
- Department of Conservative Dentistry and Endodontics, Pomeranian Medical University, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
| | - Ryta Łagocka
- Department of Conservative Dentistry and Endodontics, Pomeranian Medical University, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
| | - Dariusz Chlubek
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
| | - Irena Baranowska-Bosiacka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
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Korbecki J, Bosiacki M, Barczak K, Łagocka R, Brodowska A, Chlubek D, Baranowska-Bosiacka I. Involvement in Tumorigenesis and Clinical Significance of CXCL1 in Reproductive Cancers: Breast Cancer, Cervical Cancer, Endometrial Cancer, Ovarian Cancer and Prostate Cancer. Int J Mol Sci 2023; 24:ijms24087262. [PMID: 37108425 PMCID: PMC10139049 DOI: 10.3390/ijms24087262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 04/11/2023] [Accepted: 04/13/2023] [Indexed: 04/29/2023] Open
Abstract
C-X-C motif chemokine ligand 1 (CXCL1) is a member of the CXC chemokine subfamily and a ligand for CXCR2. Its main function in the immune system is the chemoattraction of neutrophils. However, there is a lack of comprehensive reviews summarizing the significance of CXCL1 in cancer processes. To fill this gap, this work describes the clinical significance and participation of CXCL1 in cancer processes in the most important reproductive cancers: breast cancer, cervical cancer, endometrial cancer, ovarian cancer, and prostate cancer. The focus is on both clinical aspects and the significance of CXCL1 in molecular cancer processes. We describe the association of CXCL1 with clinical features of tumors, including prognosis, ER, PR and HER2 status, and TNM stage. We present the molecular contribution of CXCL1 to chemoresistance and radioresistance in selected tumors and its influence on the proliferation, migration, and invasion of tumor cells. Additionally, we present the impact of CXCL1 on the microenvironment of reproductive cancers, including its effect on angiogenesis, recruitment, and function of cancer-associated cells (macrophages, neutrophils, MDSC, and Treg). The article concludes by summarizing the significance of introducing drugs targeting CXCL1. This paper also discusses the significance of ACKR1/DARC in reproductive cancers.
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Affiliation(s)
- Jan Korbecki
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
- Department of Anatomy and Histology, Collegium Medicum, University of Zielona Góra, Zyty 28 Str., 65-046 Zielona Góra, Poland
| | - Mateusz Bosiacki
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
- Department of Functional Diagnostics and Physical Medicine, Faculty of Health Sciences Pomeranian Medical University in Szczecin, Żołnierska 54 Str., 71-210 Szczecin, Poland
| | - Katarzyna Barczak
- Department of Conservative Dentistry and Endodontics, Pomeranian Medical University, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
| | - Ryta Łagocka
- Department of Conservative Dentistry and Endodontics, Pomeranian Medical University, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
| | - Agnieszka Brodowska
- Department of Gynecology, Endocrinology and Gynecological Oncology, Pomeranian Medical University in Szczecin, Unii Lubelskiej 1, 71-252 Szczecin, Poland
| | - Dariusz Chlubek
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
| | - Irena Baranowska-Bosiacka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
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6
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Crawford KS, Volkman BF. Prospects for targeting ACKR1 in cancer and other diseases. Front Immunol 2023; 14:1111960. [PMID: 37006247 PMCID: PMC10050359 DOI: 10.3389/fimmu.2023.1111960] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 03/03/2023] [Indexed: 03/17/2023] Open
Abstract
The chemokine network is comprised of a family of signal proteins that encode messages for cells displaying chemokine G-protein coupled receptors (GPCRs). The diversity of effects on cellular functions, particularly directed migration of different cell types to sites of inflammation, is enabled by different combinations of chemokines activating signal transduction cascades on cells displaying a combination of receptors. These signals can contribute to autoimmune disease or be hijacked in cancer to stimulate cancer progression and metastatic migration. Thus far, three chemokine receptor-targeting drugs have been approved for clinical use: Maraviroc for HIV, Plerixafor for hematopoietic stem cell mobilization, and Mogalizumab for cutaneous T-cell lymphoma. Numerous compounds have been developed to inhibit specific chemokine GPCRs, but the complexity of the chemokine network has precluded more widespread clinical implementation, particularly as anti-neoplastic and anti-metastatic agents. Drugs that block a single signaling axis may be rendered ineffective or cause adverse reactions because each chemokine and receptor often have multiple context-specific functions. The chemokine network is tightly regulated at multiple levels, including by atypical chemokine receptors (ACKRs) that control chemokine gradients independently of G-proteins. ACKRs have numerous functions linked to chemokine immobilization, movement through and within cells, and recruitment of alternate effectors like β-arrestins. Atypical chemokine receptor 1 (ACKR1), previously known as the Duffy antigen receptor for chemokines (DARC), is a key regulator that binds chemokines involved in inflammatory responses and cancer proliferation, angiogenesis, and metastasis. Understanding more about ACKR1 in different diseases and populations may contribute to the development of therapeutic strategies targeting the chemokine network.
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Affiliation(s)
- Kyler S. Crawford
- Department of Biochemistry, Medical College of Wisconsin, Milwaukee, WI, United States
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7
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Szpakowska M, D’Uonnolo G, Luís R, Alonso Bartolomé A, Thelen M, Legler DF, Chevigné A. New pairings and deorphanization among the atypical chemokine receptor family - physiological and clinical relevance. Front Immunol 2023; 14:1133394. [PMID: 37153591 PMCID: PMC10157204 DOI: 10.3389/fimmu.2023.1133394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 03/30/2023] [Indexed: 05/09/2023] Open
Abstract
Atypical chemokine receptors (ACKRs) form a small subfamily of receptors (ACKR1-4) unable to trigger G protein-dependent signaling in response to their ligands. They do, however, play a crucial regulatory role in chemokine biology by capturing, scavenging or transporting chemokines, thereby regulating their availability and signaling through classical chemokine receptors. ACKRs add thus another layer of complexity to the intricate chemokine-receptor interaction network. Recently, targeted approaches and screening programs aiming at reassessing chemokine activity towards ACKRs identified several new pairings such as the dimeric CXCL12 with ACKR1, CXCL2, CXCL10 and CCL26 with ACKR2, the viral broad-spectrum chemokine vCCL2/vMIP-II, a range of opioid peptides and PAMP-12 with ACKR3 as well as CCL20 and CCL22 with ACKR4. Moreover, GPR182 (ACKR5) has been lately proposed as a new promiscuous atypical chemokine receptor with scavenging activity notably towards CXCL9, CXCL10, CXCL12 and CXCL13. Altogether, these findings reveal new degrees of complexity of the chemokine network and expand the panel of ACKR ligands and regulatory functions. In this minireview, we present and discuss these new pairings, their physiological and clinical relevance as well as the opportunities they open for targeting ACKRs in innovative therapeutic strategies.
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Affiliation(s)
- Martyna Szpakowska
- Immuno-Pharmacology and Interactomics,Department of Infection and Immunity, Luxembourg Institute of Health, Esch-sur-Alzette, Luxembourg
| | - Giulia D’Uonnolo
- Immuno-Pharmacology and Interactomics,Department of Infection and Immunity, Luxembourg Institute of Health, Esch-sur-Alzette, Luxembourg
- Faculty of Science, Technology and Medicine, University of Luxembourg, Esch-sur-Alzette, Luxembourg
| | - Rafael Luís
- Immuno-Pharmacology and Interactomics,Department of Infection and Immunity, Luxembourg Institute of Health, Esch-sur-Alzette, Luxembourg
- Faculty of Science, Technology and Medicine, University of Luxembourg, Esch-sur-Alzette, Luxembourg
- Tumor Immunotherapy and Microenvironment, Department of Cancer Research, Luxembourg Institute of Health, Luxembourg City, Luxembourg
| | - Ana Alonso Bartolomé
- Immuno-Pharmacology and Interactomics,Department of Infection and Immunity, Luxembourg Institute of Health, Esch-sur-Alzette, Luxembourg
- Faculty of Science, Technology and Medicine, University of Luxembourg, Esch-sur-Alzette, Luxembourg
| | - Marcus Thelen
- Faculty of Biomedical Sciences, Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Daniel F. Legler
- Biotechnology Institute Thurgau (BITg) at the University of Konstanz, Kreuzlingen, Switzerland
| | - Andy Chevigné
- Immuno-Pharmacology and Interactomics,Department of Infection and Immunity, Luxembourg Institute of Health, Esch-sur-Alzette, Luxembourg
- *Correspondence: Andy Chevigné,
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8
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Romero JR, Inostroza‐Nieves Y, Pulido‐Perez P, Lopez P, Wohlgemuth JG, Dlott JS, Snyder LM, Alper SL, Rivera A. Magnesium homeostasis in deoxygenated sickle erythrocytes is modulated by endothelin-1 via Na + /Mg 2+ exchange. FASEB J 2022; 36:e22638. [PMID: 36331552 PMCID: PMC9703344 DOI: 10.1096/fj.202201339r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 10/14/2022] [Accepted: 10/21/2022] [Indexed: 11/06/2022]
Abstract
Painful crises in sickle cell disease (SCD) are associated with increased plasma cytokines levels, including endothelin-1 (ET-1). Reduced red cell magnesium content, mediated in part by increased Na+ /Mg2+ exchanger (NME) activity, contributes to erythrocyte K+ loss, dehydration and sickling in SCD. However, the relationship between ET-1 and the NME in SCD has remained unexamined. We observed increased NME activity in sickle red cells incubated in the presence of 500 nM ET-1. Deoxygenation of sickle red cells, in contrast, led to decreased red cell NME activity and cellular dehydration that was reversed by the NME inhibitor, imipramine. Increased NME activity in sickle red cells was significantly blocked by pre-incubation with 100 nM BQ788, a selective blocker of ET-1 type B receptors. These results suggest an important role for ET-1 and for cellular magnesium homeostasis in SCD. Consistent with these results, we observed increased NME activity in sickle red cells of three mouse models of sickle cell disease greater than that in red cells of C57BL/J6 mice. In vivo treatment of BERK sickle transgenic mice with ET-1 receptor antagonists reduced red cell NME activity. Our results suggest that ET-1 receptor blockade may be a promising therapeutic approach to control erythrocyte volume and magnesium homeostasis in SCD and may thus attenuate or retard the associated chronic inflammatory and vascular complications of SCD.
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Affiliation(s)
- José R. Romero
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital, and Department of MedicineHarvard Medical SchoolBostonMassachusettsUSA
| | - Yaritza Inostroza‐Nieves
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital, and Department of MedicineHarvard Medical SchoolBostonMassachusettsUSA,Department of Biochemistry and PharmacologySan Juan Bautista School of MedicineCaguasPuerto RicoUSA
| | - Patricia Pulido‐Perez
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital, and Department of MedicineHarvard Medical SchoolBostonMassachusettsUSA
| | - Pablo Lopez
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital, and Department of MedicineHarvard Medical SchoolBostonMassachusettsUSA
| | | | | | | | - Seth L. Alper
- Division of Nephrology and Vascular Biology Research Center, Beth Israel Deaconess Medical Center, and Department of MedicineHarvard Medical SchoolBostonMassachusettsUSA
| | - Alicia Rivera
- Division of Nephrology and Vascular Biology Research Center, Beth Israel Deaconess Medical Center, and Department of MedicineHarvard Medical SchoolBostonMassachusettsUSA,Division of Laboratory Medicine, Boston Children's Hospital, and Department of PathologyHarvard Medical SchoolBostonMassachusettsUSA
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9
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Jinna N, Rida P, Su T, Gong Z, Yao S, LaBarge M, Natarajan R, Jovanovic-Talisman T, Ambrosone C, Seewaldt V. The DARC Side of Inflamm-Aging: Duffy Antigen Receptor for Chemokines (DARC/ACKR1) as a Potential Biomarker of Aging, Immunosenescence, and Breast Oncogenesis among High-Risk Subpopulations. Cells 2022; 11:cells11233818. [PMID: 36497078 PMCID: PMC9740232 DOI: 10.3390/cells11233818] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/09/2022] [Accepted: 11/23/2022] [Indexed: 11/30/2022] Open
Abstract
The proclivity of certain pre-malignant and pre-invasive breast lesions to progress while others do not continues to perplex clinicians. Clinicians remain at a crossroads with effectively managing the high-risk patient subpopulation owing to the paucity of biomarkers that can adequately risk-stratify and inform clinical decisions that circumvent unnecessary administration of cytotoxic and invasive treatments. The immune system mounts the most important line of defense against tumorigenesis and progression. Unfortunately, this defense declines or "ages" over time-a phenomenon known as immunosenescence. This results in "inflamm-aging" or the excessive infiltration of pro-inflammatory chemokines, which alters the leukocyte composition of the tissue microenvironment, and concomitant immunoediting of these leukocytes to diminish their antitumor immune functions. Collectively, these effects can foster the sequelae of neoplastic transformation and progression. The erythrocyte cell antigen, Duffy antigen receptor for chemokines(DARC/ACKR1), binds and internalizes chemokines to maintain homeostatic levels and modulate leukocyte trafficking. A negative DARC status is highly prevalent among subpopulations of West African genetic ancestry, who are at higher risk of developing breast cancer and disease progression at a younger age. However, the role of DARC in accelerated inflamm-aging and malignant transformation remains underexplored. Herein, we review compelling evidence suggesting that DARC may be protective against inflamm-aging and, therefore, reduce the risk of a high-risk lesion progressing to malignancy. We also discuss evidence supporting that immunotherapeutic intervention-based on DARC status-among high-risk subpopulations may evade malignant transformation and progression. A closer look into this unique role of DARC could glean deeper insight into the immune response profile of individual high-risk patients and their predisposition to progress as well as guide the administration of more "cyto-friendly" immunotherapeutic intervention to potentially "turn back the clock" on inflamm-aging-mediated oncogenesis and progression.
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Affiliation(s)
- Nikita Jinna
- Department of Population Science, City of Hope Comprehensive Cancer Center, Duarte, CA 91010, USA
| | - Padmashree Rida
- Department of Science, Rowland Hall, Salt Lake City, UT 84102, USA
| | - Tianyi Su
- Department of Science, Rowland Hall, Salt Lake City, UT 84102, USA
| | - Zhihong Gong
- Department of Cancer Prevention and Control, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Song Yao
- Department of Cancer Prevention and Control, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Mark LaBarge
- Department of Population Science, City of Hope Comprehensive Cancer Center, Duarte, CA 91010, USA
| | - Rama Natarajan
- Department of Diabetes Complications and Metabolism, City of Hope Comprehensive Cancer Center, Duarte, CA 91010, USA
| | | | - Christine Ambrosone
- Department of Cancer Prevention and Control, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Victoria Seewaldt
- Department of Population Science, City of Hope Comprehensive Cancer Center, Duarte, CA 91010, USA
- Correspondence:
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10
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CXCL1: Gene, Promoter, Regulation of Expression, mRNA Stability, Regulation of Activity in the Intercellular Space. Int J Mol Sci 2022; 23:ijms23020792. [PMID: 35054978 PMCID: PMC8776070 DOI: 10.3390/ijms23020792] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/07/2022] [Accepted: 01/10/2022] [Indexed: 02/07/2023] Open
Abstract
CXCL1 is one of the most important chemokines, part of a group of chemotactic cytokines involved in the development of many inflammatory diseases. It activates CXCR2 and, at high levels, CXCR1. The expression of CXCL1 is elevated in inflammatory reactions and also has important functions in physiology, including the induction of angiogenesis and recruitment of neutrophils. Due to a lack of reviews that precisely describe the regulation of CXCL1 expression and function, in this paper, we present the mechanisms of CXCL1 expression regulation with a special focus on cancer. We concentrate on the regulation of CXCL1 expression through the regulation of CXCL1 transcription and mRNA stability, including the involvement of NF-κB, p53, the effect of miRNAs and cytokines such as IFN-γ, IL-1β, IL-17, TGF-β and TNF-α. We also describe the mechanisms regulating CXCL1 activity in the extracellular space, including proteolytic processing, CXCL1 dimerization and the influence of the ACKR1/DARC receptor on CXCL1 localization. Finally, we explain the role of CXCL1 in cancer and possible therapeutic approaches directed against this chemokine.
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Gutjahr JC, Crawford KS, Jensen DR, Naik P, Peterson FC, Samson GPB, Legler DF, Duchene J, Veldkamp CT, Rot A, Volkman BF. The dimeric form of CXCL12 binds to atypical chemokine receptor 1. Sci Signal 2021; 14:14/696/eabc9012. [PMID: 34404752 DOI: 10.1126/scisignal.abc9012] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The pleiotropic chemokine CXCL12 is involved in diverse physiological and pathophysiological processes, including embryogenesis, hematopoiesis, leukocyte migration, and tumor metastasis. It is known to engage the classical receptor CXCR4 and the atypical receptor ACKR3. Differential receptor engagement can transduce distinct cellular signals and effects as well as alter the amount of free, extracellular chemokine. CXCR4 binds both monomeric and the more commonly found dimeric forms of CXCL12, whereas ACKR3 binds monomeric forms. Here, we found that CXCL12 also bound to the atypical receptor ACKR1 (previously known as Duffy antigen/receptor for chemokines or DARC). In vitro nuclear magnetic resonance spectroscopy and isothermal titration calorimetry revealed that dimeric CXCL12 bound to the extracellular N terminus of ACKR1 with low nanomolar affinity, whereas the binding affinity of monomeric CXCL12 was orders of magnitude lower. In transfected MDCK cells and primary human Duffy-positive erythrocytes, a dimeric, but not a monomeric, construct of CXCL12 efficiently bound to and internalized with ACKR1. This interaction between CXCL12 and ACKR1 provides another layer of regulation of the multiple biological functions of CXCL12. The findings also raise the possibility that ACKR1 can bind other dimeric chemokines, thus potentially further expanding the role of ACKR1 in chemokine retention and presentation.
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Affiliation(s)
- Julia C Gutjahr
- Centre for Microvascular Research, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Kyler S Crawford
- Department of Biochemistry, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Davin R Jensen
- Department of Biochemistry, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Prachi Naik
- Centre for Microvascular Research, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Francis C Peterson
- Department of Biochemistry, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Guerric P B Samson
- Biotechnology Institute Thurgau (BITg), University of Konstanz, 8280 Kreuzlingen, Switzerland
| | - Daniel F Legler
- Biotechnology Institute Thurgau (BITg), University of Konstanz, 8280 Kreuzlingen, Switzerland.,Theodor Kocher Institute, University of Bern, 3012 Bern, Switzerland
| | - Johan Duchene
- Institute for Cardiovascular Prevention, Ludwig-Maximilians University, 80336 Munich, Germany
| | | | - Antal Rot
- Centre for Microvascular Research, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK. .,Institute for Cardiovascular Prevention, Ludwig-Maximilians University, 80336 Munich, Germany.,Centre for Inflammation and Therapeutic Innovation, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Brian F Volkman
- Department of Biochemistry, Medical College of Wisconsin, Milwaukee, WI 53226, USA.
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12
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Dickhout A, Kaczor DM, Heinzmann ACA, Brouns SLN, Heemskerk JWM, van Zandvoort MAMJ, Koenen RR. Rapid Internalization and Nuclear Translocation of CCL5 and CXCL4 in Endothelial Cells. Int J Mol Sci 2021; 22:ijms22147332. [PMID: 34298951 PMCID: PMC8305033 DOI: 10.3390/ijms22147332] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 06/27/2021] [Accepted: 07/02/2021] [Indexed: 11/16/2022] Open
Abstract
The chemokines CCL5 and CXCL4 are deposited by platelets onto endothelial cells, inducing monocyte arrest. Here, the fate of CCL5 and CXCL4 after endothelial deposition was investigated. Human umbilical vein endothelial cells (HUVECs) and EA.hy926 cells were incubated with CCL5 or CXCL4 for up to 120 min, and chemokine uptake was analyzed by microscopy and by ELISA. Intracellular calcium signaling was visualized upon chemokine treatment, and monocyte arrest was evaluated under laminar flow. Whereas CXCL4 remained partly on the cell surface, all of the CCL5 was internalized into endothelial cells. Endocytosis of CCL5 and CXCL4 was shown as a rapid and active process that primarily depended on dynamin, clathrin, and G protein-coupled receptors (GPCRs), but not on surface proteoglycans. Intracellular calcium signals were increased after chemokine treatment. Confocal microscopy and ELISA measurements in cell organelle fractions indicated that both chemokines accumulated in the nucleus. Internalization did not affect leukocyte arrest, as pretreatment of chemokines and subsequent washing did not alter monocyte adhesion to endothelial cells. Endothelial cells rapidly and actively internalize CCL5 and CXCL4 by clathrin and dynamin-dependent endocytosis, where the chemokines appear to be directed to the nucleus. These findings expand our knowledge of how chemokines attract leukocytes to sites of inflammation.
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Affiliation(s)
- Annemiek Dickhout
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, 6229 ER Maastricht, The Netherlands; (A.D.); (D.M.K.); (A.C.A.H.); (S.L.N.B.); (J.W.M.H.)
| | - Dawid M. Kaczor
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, 6229 ER Maastricht, The Netherlands; (A.D.); (D.M.K.); (A.C.A.H.); (S.L.N.B.); (J.W.M.H.)
| | - Alexandra C. A. Heinzmann
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, 6229 ER Maastricht, The Netherlands; (A.D.); (D.M.K.); (A.C.A.H.); (S.L.N.B.); (J.W.M.H.)
| | - Sanne L. N. Brouns
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, 6229 ER Maastricht, The Netherlands; (A.D.); (D.M.K.); (A.C.A.H.); (S.L.N.B.); (J.W.M.H.)
| | - Johan W. M. Heemskerk
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, 6229 ER Maastricht, The Netherlands; (A.D.); (D.M.K.); (A.C.A.H.); (S.L.N.B.); (J.W.M.H.)
| | - Marc A. M. J. van Zandvoort
- Department of Genetics and Cell Biology, Molecular Cell Biology, School for Oncology and Developmental Biology, Maastricht University, 6229 ER Maastricht, The Netherlands;
- Institute for Molecular Cardiovascular Research IMCAR, RWTH Aachen University, 52074 Aachen, Germany
| | - Rory R. Koenen
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, 6229 ER Maastricht, The Netherlands; (A.D.); (D.M.K.); (A.C.A.H.); (S.L.N.B.); (J.W.M.H.)
- Institute for Cardiovascular Prevention (IPEK), LMU Munich, 80336 Munich, Germany
- Correspondence:
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Hasse S, Duchez AC, Fortin P, Boilard E, Bourgoin SG. Interplay between LPA2 and LPA3 in LPA-mediated phosphatidylserine cell surface exposure and extracellular vesicles release by erythrocytes. Biochem Pharmacol 2021; 192:114667. [PMID: 34216604 DOI: 10.1016/j.bcp.2021.114667] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 06/10/2021] [Accepted: 06/28/2021] [Indexed: 11/27/2022]
Abstract
Evidence is growing for the role of red blood cells (RBCs) in vascular homeostasis, including thrombogenic events and inflammation. Lysophosphatidic acid (LPA) is known to induce phosphatidylserine (PS) exposure and the release of RBC Extracellular Vesicles (REVs). Using high sensitivity flow cytometry, we examined the effects and the mechanisms by which the LPA species commonly found in human plasma could activate RBCs. We report that LPA 16:0, 18:0 and 18:1, but not LPA 20:4, induced PS exposure and the release of small PS- and large PS+ REVs through LPA3 receptor signalling in RBCs. The release of large PS+ REVs required higher concentrations of LPA. RBCs were not activated by LPA 20:4. Interestingly, blockade of LPA2 enhanced LPA-mediated PS- REV release in RBCs. Furthermore, LPA receptor agonists and antagonists highlighted that LPA 20:4 inhibited LPA3-dependent PS exposure and, through the LPA2 receptor, inhibited PS- REV production. Activation of RBCs with LPA 18:1 in normal plasma stimulated the release of PS- and PS+ REVs. REVs released in response to LPA were similar to those found in the plasma of systemic lupus erythematosus patients. Our results suggest that LPA species exhibit different biological activities in RBCs through targeting LPA2 and/or LPA3 receptors.
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Affiliation(s)
- Stephan Hasse
- Centre de recherche du CHU de Québec-Université Laval, Centre ARThrite de l'Université Laval, Département de microbiologie-infectiologie et d'immunologie, Université Laval, Québec, QC G1V 4G2, Canada.
| | - Anne-Claire Duchez
- Centre de recherche du CHU de Québec-Université Laval, Centre ARThrite de l'Université Laval, Département de médecine, Faculté de médecine, Université Laval, QC G1V 4G2, Canada
| | - Paul Fortin
- Centre de recherche du CHU de Québec-Université Laval, Centre ARThrite de l'Université Laval, Département de médecine, Faculté de médecine, Université Laval, QC G1V 4G2, Canada.
| | - Eric Boilard
- Centre de recherche du CHU de Québec-Université Laval, Centre ARThrite de l'Université Laval, Département de microbiologie-infectiologie et d'immunologie, Université Laval, Québec, QC G1V 4G2, Canada.
| | - Sylvain G Bourgoin
- Centre de recherche du CHU de Québec-Université Laval, Centre ARThrite de l'Université Laval, Département de microbiologie-infectiologie et d'immunologie, Université Laval, Québec, QC G1V 4G2, Canada.
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14
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Sjöberg E, Meyrath M, Chevigné A, Östman A, Augsten M, Szpakowska M. The diverse and complex roles of atypical chemokine receptors in cancer: From molecular biology to clinical relevance and therapy. Adv Cancer Res 2020; 145:99-138. [PMID: 32089166 DOI: 10.1016/bs.acr.2019.12.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Chemokines regulate directed cell migration, proliferation and survival and are key components in cancer biology. They exert their functions by interacting with seven-transmembrane domain receptors that signal through G proteins (GPCRs). A subgroup of four chemokine receptors known as the atypical chemokine receptors (ACKRs) has emerged as essential regulators of the chemokine functions. ACKRs play diverse and complex roles in tumor biology from tumor initiation to metastasis, including cancer cell proliferation, adherence to endothelium, epithelial-mesenchymal transition (EMT), extravasation from blood vessels, tumor-associated angiogenesis or protection from immunological responses. This chapter gives an overview on the established and emerging roles that the atypical chemokine receptors ACKR1, ACKR2, ACKR3 and ACKR4 play in the different phases of cancer development and dissemination, their clinical relevance, as well as on the hurdles to overcome in ACKRs targeting as cancer therapy.
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Affiliation(s)
- Elin Sjöberg
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
| | - Max Meyrath
- Department of Infection and Immunity, Immuno-Pharmacology and Interactomics, Luxembourg Institute of Health (LIH), Esch-sur-Alzette, Luxembourg
| | - Andy Chevigné
- Department of Infection and Immunity, Immuno-Pharmacology and Interactomics, Luxembourg Institute of Health (LIH), Esch-sur-Alzette, Luxembourg
| | - Arne Östman
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
| | | | - Martyna Szpakowska
- Department of Infection and Immunity, Immuno-Pharmacology and Interactomics, Luxembourg Institute of Health (LIH), Esch-sur-Alzette, Luxembourg.
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15
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The emerging role of red blood cells in cytokine signalling and modulating immune cells. Blood Rev 2019; 41:100644. [PMID: 31812320 DOI: 10.1016/j.blre.2019.100644] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 11/13/2019] [Accepted: 11/22/2019] [Indexed: 02/07/2023]
Abstract
For many years red blood cells have been described as inert bystanders rather than participants in intercellular signalling, immune function, and inflammatory processes. However, studies are now reporting that red blood cells from healthy individuals regulate immune cell activity and maturation, and red blood cells from disease cohorts are dysfunctional. These cells have now been shown to bind more than 50 cytokines and have been described as a sink for these molecules, and the loss of this activity has been correlated with disease progression. In this review, we summarise what is currently understood about the role of red blood cells in cytokine signalling and in modulating the activity of immune cells. We also discuss the implications of these findings for transfusion medicine and in furthering our understanding of anaemia of chronic inflammation. By bringing these disparate units of work together, we aim to shine a light on an area that requires significantly more investigation.
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16
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Walter A, Herrold AA, Gallagher VT, Lee R, Scaramuzzo M, Bream T, Seidenberg PH, Vandenbergh D, O'Connor K, Talavage TM, Nauman EA, Slobounov SM, Breiter HC. KIAA0319 Genotype Predicts the Number of Past Concussions in a Division I Football Team: A Pilot Study. J Neurotrauma 2019; 36:1115-1124. [DOI: 10.1089/neu.2017.5622] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Affiliation(s)
- Alexa Walter
- Department of Kinesiology, The Pennsylvania State University, University Park, Pennsylvania
- Concussion Neuroimaging Consortium, Florida State University, Florida; Harvard University, Massachusetts; Michigan State University, Michigan; Northwestern University, Illinois; Ohio State University, Ohio; Purdue University, Indiana; The Pennsylvania State University, Pennsylvania; University of Central Florida, Florida; University of Nebraska, Nebraska
| | - Amy A. Herrold
- Warren Wright Adolescent Center, Department of Psychiatry and Behavioral Sciences, Northwestern University Feinberg School of Medicine, Chicago, Illinois
- Edward Hines Jr., VA Hospital, Hines, Illinois
- Concussion Neuroimaging Consortium, Florida State University, Florida; Harvard University, Massachusetts; Michigan State University, Michigan; Northwestern University, Illinois; Ohio State University, Ohio; Purdue University, Indiana; The Pennsylvania State University, Pennsylvania; University of Central Florida, Florida; University of Nebraska, Nebraska
| | - Virginia T. Gallagher
- Warren Wright Adolescent Center, Department of Psychiatry and Behavioral Sciences, Northwestern University Feinberg School of Medicine, Chicago, Illinois
- Concussion Neuroimaging Consortium, Florida State University, Florida; Harvard University, Massachusetts; Michigan State University, Michigan; Northwestern University, Illinois; Ohio State University, Ohio; Purdue University, Indiana; The Pennsylvania State University, Pennsylvania; University of Central Florida, Florida; University of Nebraska, Nebraska
| | - Rosa Lee
- Warren Wright Adolescent Center, Department of Psychiatry and Behavioral Sciences, Northwestern University Feinberg School of Medicine, Chicago, Illinois
- Concussion Neuroimaging Consortium, Florida State University, Florida; Harvard University, Massachusetts; Michigan State University, Michigan; Northwestern University, Illinois; Ohio State University, Ohio; Purdue University, Indiana; The Pennsylvania State University, Pennsylvania; University of Central Florida, Florida; University of Nebraska, Nebraska
| | - Madeleine Scaramuzzo
- Athletic Department, The Pennsylvania State University, University Park, Pennsylvania
| | - Tim Bream
- Athletic Department, The Pennsylvania State University, University Park, Pennsylvania
| | - Peter H. Seidenberg
- Athletic Department, The Pennsylvania State University, University Park, Pennsylvania
| | - David Vandenbergh
- Department of Biobehavioral Health, Molecular and Cellular Biosciences Program and Institute for the Neurosciences, The Pennsylvania State University, University Park, Pennsylvania
| | - Kailyn O'Connor
- Warren Wright Adolescent Center, Department of Psychiatry and Behavioral Sciences, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Thomas M. Talavage
- School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana
- Concussion Neuroimaging Consortium, Florida State University, Florida; Harvard University, Massachusetts; Michigan State University, Michigan; Northwestern University, Illinois; Ohio State University, Ohio; Purdue University, Indiana; The Pennsylvania State University, Pennsylvania; University of Central Florida, Florida; University of Nebraska, Nebraska
| | - Eric A. Nauman
- School of Mechanical Engineering, Purdue University, West Lafayette, Indiana
- Concussion Neuroimaging Consortium, Florida State University, Florida; Harvard University, Massachusetts; Michigan State University, Michigan; Northwestern University, Illinois; Ohio State University, Ohio; Purdue University, Indiana; The Pennsylvania State University, Pennsylvania; University of Central Florida, Florida; University of Nebraska, Nebraska
| | - Semyon M. Slobounov
- Department of Kinesiology, The Pennsylvania State University, University Park, Pennsylvania
- Concussion Neuroimaging Consortium, Florida State University, Florida; Harvard University, Massachusetts; Michigan State University, Michigan; Northwestern University, Illinois; Ohio State University, Ohio; Purdue University, Indiana; The Pennsylvania State University, Pennsylvania; University of Central Florida, Florida; University of Nebraska, Nebraska
| | - Hans C. Breiter
- Warren Wright Adolescent Center, Department of Psychiatry and Behavioral Sciences, Northwestern University Feinberg School of Medicine, Chicago, Illinois
- Laboratory of Neuroimaging and Genetics, Department of Psychiatry, Massachusetts General Hospital, Boston, Massachusetts
- Concussion Neuroimaging Consortium, Florida State University, Florida; Harvard University, Massachusetts; Michigan State University, Michigan; Northwestern University, Illinois; Ohio State University, Ohio; Purdue University, Indiana; The Pennsylvania State University, Pennsylvania; University of Central Florida, Florida; University of Nebraska, Nebraska
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17
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Rappoport N, Simon AJ, Amariglio N, Rechavi G. The Duffy antigen receptor for chemokines, ACKR1,- 'Jeanne DARC' of benign neutropenia. Br J Haematol 2018; 184:497-507. [PMID: 30592023 DOI: 10.1111/bjh.15730] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Benign neutropenia, observed in different ethnic groups, is the most common form of neutropenia worldwide. A specific single nucleotide polymorphism, rs2814778, located at the promoter of the ACKR1 (previously termed DARC) gene, which disrupts a binding site for the GATA1 erythroid transcription factor, resulting in a ACKR1-null phenotype, was found to serve as a predictor of low white blood cell and neutrophil counts in African-Americans and Yemenite Jews. Individuals with benign neutropenia due to the ACKR1-null allele have been found to have an increased susceptibility to human immunodeficiency virus infection and, on the other hand, a protective effect against malaria. The associated protective effect may explain the spread of the ACKR1-null allele by natural selection. The reviewed relationships between ACKR1 polymorphism and various pathological states may have important clinical implications to individuals with and without benign neutropenia. Potential mechanisms for ACKR1 (previously termed DARC) modulation during neutrophil recruitment to inflammation, and chemokine bioavailability in the circulation and in local tissue are reviewed and discussed.
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Affiliation(s)
- Naama Rappoport
- Cancer Research Centre, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Amos J Simon
- Cancer Research Centre, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Institute of Haematology, Sheba Medical Centre, Tel Hashomer, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ninette Amariglio
- Cancer Research Centre, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Institute of Haematology, Sheba Medical Centre, Tel Hashomer, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Mina and Everard Goodman Faculty of Life Sciences, Bar Ilan University, Ramat-Gan, Israel
| | - Gideon Rechavi
- Cancer Research Centre, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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18
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Edderkaoui B, Sargsyan L, Hetrick A, Li H. Deficiency of Duffy Antigen Receptor for Chemokines Ameliorated Cochlear Damage From Noise Exposure. Front Mol Neurosci 2018; 11:173. [PMID: 29899689 PMCID: PMC5988871 DOI: 10.3389/fnmol.2018.00173] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 05/08/2018] [Indexed: 01/06/2023] Open
Abstract
Cochlear inflammatory response to various environmental insults, including acoustic and ototoxic overexposures, has been increasingly become a topic of interest. As the immune response is associated with both pathology and protection, targeting specific components of the immune response is expected to dissect the relationships between cellular damage and inflammation-associated protection and repair in the cochlea. Duffy antigen receptor for chemokines (DARC) is a member of a group of atypical chemokine receptors, and essential for chemokine-regulated leukocyte/neutrophil trafficking during inflammation. Previous studies have reported that Darc deficiency alters chemokine bioavailability and leukocyte homeostasis, leading to significant anti-inflammatory effects in tissues following injury. In this study, we have used Darc knockout mice to determine the impact of a deficiency in this gene on cochlear development, as well as function in cochlea subjected to various stresses. We observed that DARC is not required for normal development of cochlear function, as evidenced by typical hearing sensitivity in juvenile Darc-KO mice, as compared to wild type (WT) C57BL/6 mice. However, Darc-KO mice exhibited improved hearing recovery after intense noise exposure when compared to wild-type. The auditory brainstem response (ABR) threshold shift between KO and WT mice was most obvious at 1-week post-noise exposure. At cochlear locations above the frequency range of the energy band of damaging noise, both hair cell survival and ribbon synapse density were improved in Darc deficient animals. In addition, the mRNA levels of some major inflammatory effectors, including Mcp-1 and Gdf15, were altered in Darc-KO mice compared to control mice at 1, 3 and 7 days post-noise exposure. These data collectively suggest that the normal Darc-dependent inflammatory response slows down the process of hearing recovery, and exacerbates cellular damage in the cochlea after noise exposure.
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Affiliation(s)
- Bouchra Edderkaoui
- Research Service, VA Loma Linda Healthcare System, Loma Linda, CA, United States.,Loma Linda University School of Medicine, Loma Linda, CA, United States
| | - Liana Sargsyan
- Research Service, VA Loma Linda Healthcare System, Loma Linda, CA, United States
| | - Alisa Hetrick
- Research Service, VA Loma Linda Healthcare System, Loma Linda, CA, United States
| | - Hongzhe Li
- Research Service, VA Loma Linda Healthcare System, Loma Linda, CA, United States.,Loma Linda University School of Medicine, Loma Linda, CA, United States.,Department of Otolaryngology-Head and Neck Surgery, Loma Linda University School of Medicine, Loma Linda, CA, United States
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19
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Karsten E, Breen E, Herbert BR. Red blood cells are dynamic reservoirs of cytokines. Sci Rep 2018; 8:3101. [PMID: 29449599 PMCID: PMC5814557 DOI: 10.1038/s41598-018-21387-w] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 01/24/2018] [Indexed: 01/06/2023] Open
Abstract
Red blood cells (RBCs) have been shown to affect immune function and can induce inflammatory responses after transfusion. The transfusion of washed RBCs can significantly reduce adverse effects, however, the soluble factors that may mediate these effects have not been identified. Previous studies have identified, but not quantified, a small number of chemokines associated with RBCs. We isolated RBCs from healthy volunteers and quantified of a panel of 48 cytokines, chemokines, and growth factors in the lysate, cytosol, and conditioned media of these cells using Luminex® technology. This analysis revealed that, after correcting for white blood cell and platelet contamination, 46 cytokines were detected in RBC lysates, and the median concentration in RBCs was 12-fold higher than in the plasma. In addition, extensive washing of RBCs, such as that performed in proteomics analyses or prior to some RBC transfusions, significantly attenuated the release of six cytokines following incubation at 37 °C. This supports the hypothesis that, alongside its gas exchange function, RBCs play a role in cytokine signalling. This discovery may help supplement disease biomarker research and may shed light on adverse inflammatory processes that can follow RBC transfusion.
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Affiliation(s)
- Elisabeth Karsten
- Translational Regenerative Medicine Laboratory, Kolling Institute, Royal North Shore Hospital, Sydney, Australia. .,Northern Clinical School, Faculty of Medicine, The University of Sydney, Sydney, Australia. .,Sangui Bio Pty Ltd, Sydney, Australia.
| | | | - Benjamin R Herbert
- Translational Regenerative Medicine Laboratory, Kolling Institute, Royal North Shore Hospital, Sydney, Australia.,Northern Clinical School, Faculty of Medicine, The University of Sydney, Sydney, Australia.,Sangui Bio Pty Ltd, Sydney, Australia
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20
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Derler R, Gesslbauer B, Weber C, Strutzmann E, Miller I, Kungl A. Glycosaminoglycan-Mediated Downstream Signaling of CXCL8 Binding to Endothelial Cells. Int J Mol Sci 2017; 18:ijms18122605. [PMID: 29207576 PMCID: PMC5751208 DOI: 10.3390/ijms18122605] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 11/24/2017] [Accepted: 11/29/2017] [Indexed: 01/13/2023] Open
Abstract
The recruitment of leukocytes, mediated by endothelium bound chemokine gradients, is a vital process in inflammation. The highly negatively charged, unbranched polysaccharide family of glycosaminoglycans (GAGs), such as heparan sulfate and chondroitin sulfate mediate chemokine immobilization. Specifically the binding of CXCL8 (interleukin 8) to GAGs on endothelial cell surfaces is known to regulate neutrophil recruitment. Currently, it is not clear if binding of CXCL8 to GAGs leads to endothelial downstream signaling in addition to the typical CXCR1/CXCR2 (C-X-C motif chemokine receptor 1 and 2)-mediated signaling which activates neutrophils. Here we have investigated the changes in protein expression of human microvascular endothelial cells induced by CXCL8. Tumor necrosis factor alpha (TNFα) stimulation was used to mimic an inflammatory state which allowed us to identify syndecan-4 (SDC4) as the potential proteoglycan co-receptor of CXCL8 by gene array, real-time PCR and flow cytometry experiments. Enzymatic GAG depolymerization via heparinase III and chondroitinase ABC was used to emulate the effect of glycocalyx remodeling on CXCL8-induced endothelial downstream signaling. Proteomic analyses showed changes in the expression pattern of a number of endothelial proteins such as Zyxin and Caldesmon involved in cytoskeletal organization, cell adhesion and cell mobility. These results demonstrate for the first time a potential role of GAG-mediated endothelial downstream signaling in addition to the well-known CXCL8-CXCR1/CXCR2 signaling pathways in neutrophils.
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Affiliation(s)
- Rupert Derler
- Antagonis Biotherapeutics GmbH, Strasserhofweg 77a, 8045 Graz, Austria.
- Department of Pharmaceutical Chemistry, Institute of Pharmaceutical Sciences, University of Graz, Schubertstrasse 1, 8010 Graz, Austria.
| | - Bernd Gesslbauer
- Department of Pharmaceutical Chemistry, Institute of Pharmaceutical Sciences, University of Graz, Schubertstrasse 1, 8010 Graz, Austria.
| | - Corinna Weber
- Department of Pharmaceutical Chemistry, Institute of Pharmaceutical Sciences, University of Graz, Schubertstrasse 1, 8010 Graz, Austria.
| | - Elisabeth Strutzmann
- Department of Pharmaceutical Chemistry, Institute of Pharmaceutical Sciences, University of Graz, Schubertstrasse 1, 8010 Graz, Austria.
| | - Ingrid Miller
- Institute for Medical Biochemistry, University of Veterinary Medicine, Veterinärplatz 1, 1210 Vienna, Austria.
| | - Andreas Kungl
- Antagonis Biotherapeutics GmbH, Strasserhofweg 77a, 8045 Graz, Austria.
- Department of Pharmaceutical Chemistry, Institute of Pharmaceutical Sciences, University of Graz, Schubertstrasse 1, 8010 Graz, Austria.
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Reyes N, Benedetti I, Rebollo J, Correa O, Geliebter J. Atypical chemokine receptor CCRL2 is overexpressed in prostate cancer cells. J Biomed Res 2017; 33:17. [PMID: 29497024 PMCID: PMC6352880 DOI: 10.7555/jbr.32.20170057] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2017] [Accepted: 12/05/2017] [Indexed: 12/28/2022] Open
Abstract
Atypical chemokine receptors have recently emerged as important molecular players in health and diseases; they affect chemokine availability and function and impact a multitude of pathophysiological events, including the tumorigenesis process. This family of atypical receptors comprises five members: ACKR1/DARC, ACKR2/D6, ACKR3/CXCR7, ACKR4/CCRL1, and ACKR5/CCRL2. This work evaluated the differential expression of these receptors in prostate cancer using quantitative PCR. Further evaluation of CCRL2 at the protein level confirmed its overexpression in a metastatic cell line and in malignant prostatic tissues from patients. CCRL2, a presumed member of the atypical chemokine receptor family, plays a key role in lung dendritic cell trafficking to peripheral lymph nodes. Recent studies have reported the expression of CCRL2 in different human cancer cell lines and tissues. However, its function and expression in prostate cancer has not been previously addressed.
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Affiliation(s)
- Niradiz Reyes
- . Department of Basic Sciences, School of Medicine, University of Cartagena, Cartagena, Bolívar, Colombia
- . Research Group of Genetics and Molecular Biology
| | - Ines Benedetti
- . Department of Basic Sciences, School of Medicine, University of Cartagena, Cartagena, Bolívar, Colombia
- . Research Group of Histopathology
| | - Juan Rebollo
- . Department of Basic Sciences, School of Medicine, University of Cartagena, Cartagena, Bolívar, Colombia
- . Research Group of Genetics and Molecular Biology
| | - Oscar Correa
- . Research Group of Genetics and Molecular Biology
| | - Jan Geliebter
- . School of Medicine, Department of Microbiology and Immunology, New York Medical College, Valhalla, NY 10595, USA
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22
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Zhu Q, Jiang L, Wang X. The expression of Duffy antigen receptor for chemokines by epithelial ovarian cancer decreases growth potential. Oncol Lett 2017; 13:4302-4306. [PMID: 28599431 PMCID: PMC5452942 DOI: 10.3892/ol.2017.5954] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Accepted: 03/03/2017] [Indexed: 12/14/2022] Open
Abstract
Epithelial ovarian cancer (EOC) is one of the main causes of cancer-associated mortality in females with gynecological malignancies. Duffy antigen receptor for chemokines (DARC) has previously been reported to be involved in tumor growth and the inhibition of tumor metastasis. However, the association between DARC and EOC remains unknown. The aim of the present study was to investigate the expression of DARC in the SKOV3 human epithelial ovarian cancer cell line with the establishment of a subcutaneous model in nude mice. To investigate the effects of DARC on the tumorigenesis of human epithelial ovarian cancer cells, GV287-DARC-L.V lentiviral vectors containing a DARC overexpression construct were transfected into SKOV3 cells. The present study revealed that transfection with DARC reduced the viability of SKOV3 cells in vitro by performing an MTT assay. SKOV3-DARC and SKOV3-negative control (NC) cells cultured in vitro were injected into nude mice to establish a subcutaneous model. The ovarian tumor volumes and the tumor weights were observed. Immunohistochemistry to detect CD31 expression was used to determine the microvessel density (MVD) in SKOV3-DARC and SKOV3-NC tumors. The results of the present study revealed that DARC-induced inhibition of tumor growth was associated with MVD in xenograft tumors. This suggested that DARC was a negative regulator of tumor growth in EOC, primarily via the inhibition of tumor angiogenesis.
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Affiliation(s)
- Qinyi Zhu
- Department of Gynecology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai 201204, P.R. China
| | - Lu Jiang
- Department of Gynecology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai 201204, P.R. China
| | - Xipeng Wang
- Department of Gynecology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai 201204, P.R. China
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23
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Alemi F, Elgendy M, Edderkaoui B. Potential Role of DARC-Chemokine Interaction in the Recruitment of Osteoclast Precursors in Response to Bacterial Lipopolysaccharide Challenge. Calcif Tissue Int 2016; 99:481-488. [PMID: 27376530 PMCID: PMC5056128 DOI: 10.1007/s00223-016-0170-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Accepted: 06/24/2016] [Indexed: 12/14/2022]
Abstract
Duffy antigen receptor for chemokines (DARC) binds to a number of pro-inflammatory chemokines, and since chemokines are known to regulate trafficking of osteoclast (OC) precursors, we predicted that DARC would regulate OC recruitment to sites of inflammation by modulating chemokine activity. To test this hypothesis, we evaluated the mRNA expression of Darc and the chemokines known to bind to DARC, in endothelial cells treated with bacterial lipopolysaccharide (LPS). The mRNA expression of Mcp-1, Rantes, Darc and Ccr5 was significantly increased in endothelial cells in response to LPS treatment. Blocking the function of DARC with neutralizing antibody partially abrogated the effect of LPS on the mRNA expression of Mcp-1 and Rantes. In vivo, mice with targeted disruption of Darc gene (Darc-KO) and control wild-type (WT) mice were used to assess the role of DARC in response to single LPS application on the top of parietal bones. Five hours post-LPS injection, local expression of Cd14 mRNA (a marker of inflammatory monocytes) was significantly increased in both lines of mice. However, the magnitude of increase was greater in WT mice compared with Darc-KO mice suggesting a role for DARC in mediating the recruitment of monocytes in response to LPS. Histological staining for tartrate-resistant acid phosphatase (TRAP) in calvaria sections taken from the injection sites revealed a significant reduction in TRAP-labeled surface per bone surface in response to LPS in Darc-KO mice compared with WT mice. Based on these findings, we concluded that DARC regulates recruitment of OC precursors at the inflammation site, probably through regulation of chemokines transcytosis across endothelial cell barrier.
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Affiliation(s)
- Fatemeh Alemi
- Musculoskeletal Disease Center, Research Service, Jerry L Pettis Memorial Veterans Administration Medical Center, 11201 Benton St. (151), Loma Linda, CA, 92357, USA
| | - Mohamed Elgendy
- Musculoskeletal Disease Center, Research Service, Jerry L Pettis Memorial Veterans Administration Medical Center, 11201 Benton St. (151), Loma Linda, CA, 92357, USA
| | - Bouchra Edderkaoui
- Musculoskeletal Disease Center, Research Service, Jerry L Pettis Memorial Veterans Administration Medical Center, 11201 Benton St. (151), Loma Linda, CA, 92357, USA.
- School of Medicine, Loma Linda University, Loma Linda, CA, USA.
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24
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Qidwai T, Khan MY. Impact of genetic variations in C-C chemokine receptors and ligands on infectious diseases. Hum Immunol 2016; 77:961-971. [PMID: 27316325 DOI: 10.1016/j.humimm.2016.06.010] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2016] [Revised: 06/13/2016] [Accepted: 06/13/2016] [Indexed: 12/24/2022]
Abstract
Chemokine receptors and ligands are crucial for extensive immune response against infectious diseases such as malaria, leishmaniasis, HIV and tuberculosis and a wide variety of other diseases. Role of chemokines are evidenced in the activation and regulation of immune cell migration which is important for immune response against diseases. Outcome of disease is determined by complex interaction among pathogen, host genetic variability and surrounding milieu. Variation in expression or function of chemokines caused by genetic polymorphisms could be associated with attenuated immune responses. Exploration of chemokine genetic polymorphisms in therapeutic response, gene regulation and disease outcome is important. Infectious agents in human host alter the expression of chemokines via epigenetic alterations and thus contribute to disease pathogenesis. Although some fragmentary data are available on chemokine genetic variations and their contribution in diseases, no unequivocal conclusion has been arrived as yet. We therefore, aim to investigate the association of CCR5-CCL5 and CCR2-CCL2 genetic polymorphisms with different infectious diseases, transcriptional regulation of gene, disease severity and response to therapy. Furthermore, the role of epigenetics in genes related to chemokines and infectious disease are also discussed.
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Affiliation(s)
- Tabish Qidwai
- Department of Biotechnology, Babasaheb Bhimrao Ambedkar University, Lucknow 226 025, India.
| | - M Y Khan
- Department of Biotechnology, Babasaheb Bhimrao Ambedkar University, Lucknow 226 025, India.
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25
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Vacchini A, Locati M, Borroni EM. Overview and potential unifying themes of the atypical chemokine receptor family. J Leukoc Biol 2016; 99:883-92. [PMID: 26740381 DOI: 10.1189/jlb.2mr1015-477r] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Accepted: 12/12/2015] [Indexed: 12/17/2022] Open
Abstract
Chemokines modulate immune responses through their ability to orchestrate the migration of target cells. Chemokines directly induce cell migration through a distinct set of 7 transmembrane domain G protein-coupled receptors but are also recognized by a small subfamily of atypical chemokine receptors, characterized by their inability to support chemotactic activity. Atypical chemokine receptors are now emerging as crucial regulatory components of chemokine networks in a wide range of physiologic and pathologic contexts. Although a new nomenclature has been approved recently to reflect their functional distinction from their conventional counterparts, a systematic view of this subfamily is still missing. This review discusses their biochemical and immunologic properties to identify potential unifying themes in this emerging family.
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Affiliation(s)
- Alessandro Vacchini
- Department of Medical Biotechnologies and Translational Medicine, University of Milan, and Humanitas Clinical and Research Center, Milan, Italy
| | - Massimo Locati
- Department of Medical Biotechnologies and Translational Medicine, University of Milan, and Humanitas Clinical and Research Center, Milan, Italy
| | - Elena Monica Borroni
- Department of Medical Biotechnologies and Translational Medicine, University of Milan, and Humanitas Clinical and Research Center, Milan, Italy
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26
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Rackham CL, Vargas AE, Hawkes RG, Amisten S, Persaud SJ, Austin ALF, King AJF, Jones PM. Annexin A1 Is a Key Modulator of Mesenchymal Stromal Cell-Mediated Improvements in Islet Function. Diabetes 2016; 65:129-39. [PMID: 26470781 DOI: 10.2337/db15-0990] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2015] [Accepted: 10/07/2015] [Indexed: 11/13/2022]
Abstract
We have previously demonstrated that coculture of islets with mesenchymal stromal cells (MSCs) enhanced islet insulin secretory capacity in vitro, correlating with improved graft function in vivo. To identify factors that contribute to MSC-mediated improvements in islet function, we have used an unbiased quantitative RT-PCR screening approach to identify MSC-derived peptide ligands of G-protein-coupled receptors that are expressed by islets cells. We demonstrated high expression of annexin A1 (ANXA1) mRNA by MSCs and confirmed expression at the protein level in lysates and MSC-conditioned media by Western blot analysis and ELISA. Preculturing islets with exogenous ANXA1 enhanced glucose-stimulated insulin secretion (GSIS), thereby mimicking the beneficial influence of MSC preculture in vitro. Small interfering RNA-mediated knockdown of ANXA1 in MSCs reduced their capacity to potentiate GSIS. MSCs derived from ANXA1(-/-) mice had no functional capacity to enhance GSIS, in contrast to wild-type controls. Preculturing islets with ANXA1 had modest effects on their capacity to regulate blood glucose in streptozotocin-induced diabetic mice, indicating that additional MSC-derived factors are required to fully mimic the beneficial effects of MSC preculture in vivo. These findings demonstrate the feasibility of harnessing the MSC secretome as a defined, noncellular strategy to improve the efficiency of clinical islet transplantation protocols.
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Affiliation(s)
- Chloe L Rackham
- Diabetes Research Group, Division of Diabetes & Nutritional Sciences, School of Medicine, King's College London, London, U.K
| | - Andreia E Vargas
- Diabetes Research Group, Division of Diabetes & Nutritional Sciences, School of Medicine, King's College London, London, U.K
| | - Ross G Hawkes
- Diabetes Research Group, Division of Diabetes & Nutritional Sciences, School of Medicine, King's College London, London, U.K
| | - Stefan Amisten
- Diabetes Research Group, Division of Diabetes & Nutritional Sciences, School of Medicine, King's College London, London, U.K
| | - Shanta J Persaud
- Diabetes Research Group, Division of Diabetes & Nutritional Sciences, School of Medicine, King's College London, London, U.K
| | - Amazon L F Austin
- Diabetes Research Group, Division of Diabetes & Nutritional Sciences, School of Medicine, King's College London, London, U.K
| | - Aileen J F King
- Diabetes Research Group, Division of Diabetes & Nutritional Sciences, School of Medicine, King's College London, London, U.K
| | - Peter M Jones
- Diabetes Research Group, Division of Diabetes & Nutritional Sciences, School of Medicine, King's College London, London, U.K.
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27
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Davis MB, Walens A, Hire R, Mumin K, Brown AM, Ford D, Howerth EW, Monteil M. Distinct Transcript Isoforms of the Atypical Chemokine Receptor 1 (ACKR1)/Duffy Antigen Receptor for Chemokines (DARC) Gene Are Expressed in Lymphoblasts and Altered Isoform Levels Are Associated with Genetic Ancestry and the Duffy-Null Allele. PLoS One 2015; 10:e0140098. [PMID: 26473357 PMCID: PMC4608815 DOI: 10.1371/journal.pone.0140098] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Accepted: 09/22/2015] [Indexed: 12/21/2022] Open
Abstract
The Atypical ChemoKine Receptor 1 (ACKR1) gene, better known as Duffy Antigen Receptor for Chemokines (DARC or Duffy), is responsible for the Duffy Blood Group and plays a major role in regulating the circulating homeostatic levels of pro-inflammatory chemokines. Previous studies have shown that one common variant, the Duffy Null (Fy-) allele that is specific to African Ancestry groups, completely removes expression of the gene on erythrocytes; however, these individuals retain endothelial expression. Additional alleles are associated with a myriad of clinical outcomes related to immune responses and inflammation. In addition to allele variants, there are two distinct transcript isoforms of DARC which are expressed from separate promoters, and very little is known about the distinct transcriptional regulation or the distinct functionality of these protein isoforms. Our objective was to determine if the African specific Fy- allele alters the expression pattern of DARC isoforms and therefore could potentially result in a unique signature of the gene products, commonly referred to as antigens. Our work is the first to establish that there is expression of DARC on lymphoblasts. Our data indicates that people of African ancestry have distinct relative levels of DARC isoforms expressed in these cells. We conclude that the expression of both isoforms in combination with alternate alleles yields multiple Duffy antigens in ancestry groups, depending upon the haplotypes across the gene. Importantly, we hypothesize that DARC isoform expression patterns will translate into ancestry-specific inflammatory responses that are correlated with the axis of pro-inflammatory chemokine levels and distinct isoform-specific interactions with these chemokines. Ultimately, this work will increase knowledge of biological mechanisms underlying disparate clinical outcomes of inflammatory-related diseases among ethnic and geographic ancestry groups.
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Affiliation(s)
- Melissa B. Davis
- Department of Genetics, Franklin College of Arts and Sciences, University of Georgia, Athens, GA, United States of America
- Department of Molecular Biology and Biochemistry, Georgia Regents University–University of Georgia Medical Partnership, Athens, GA, United States of America
- * E-mail: (MD); (MM)
| | - Andrea Walens
- Department of Genetics, Franklin College of Arts and Sciences, University of Georgia, Athens, GA, United States of America
| | - Rupali Hire
- Department of Genetics, Franklin College of Arts and Sciences, University of Georgia, Athens, GA, United States of America
| | - Kauthar Mumin
- Department of Genetics, Franklin College of Arts and Sciences, University of Georgia, Athens, GA, United States of America
| | - Andrea M. Brown
- Department of Genetics, Franklin College of Arts and Sciences, University of Georgia, Athens, GA, United States of America
| | - DeJuana Ford
- Department of Genetics, Franklin College of Arts and Sciences, University of Georgia, Athens, GA, United States of America
| | - Elizabeth W. Howerth
- Department of Pathology, College of Veterinary Medicine, University of Georgia, Athens, GA, United States of America
| | - Michele Monteil
- Department of Molecular Biology and Biochemistry, Georgia Regents University–University of Georgia Medical Partnership, Athens, GA, United States of America
- * E-mail: (MD); (MM)
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28
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Van Raemdonck K, Van den Steen PE, Liekens S, Van Damme J, Struyf S. CXCR3 ligands in disease and therapy. Cytokine Growth Factor Rev 2015; 26:311-27. [DOI: 10.1016/j.cytogfr.2014.11.009] [Citation(s) in RCA: 167] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2014] [Accepted: 11/05/2014] [Indexed: 12/19/2022]
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29
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Wan W, Liu Q, Lionakis MS, Marino APMP, Anderson SA, Swamydas M, Murphy PM. Atypical chemokine receptor 1 deficiency reduces atherogenesis in ApoE-knockout mice. Cardiovasc Res 2015; 106:478-87. [PMID: 25858253 PMCID: PMC4447808 DOI: 10.1093/cvr/cvv124] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2014] [Revised: 03/18/2015] [Accepted: 03/20/2015] [Indexed: 12/14/2022] Open
Abstract
AIMS Atypical chemokine receptor 1 (Ackr1; previously known as the Duffy antigen receptor for chemokines or Darc) is thought to regulate acute inflammatory responses in part by scavenging inflammatory CC and CXC chemokines; however, evidence for a role in chronic inflammation has been lacking. Here we investigated the role of Ackr1 in chronic inflammation, in particular in the setting of atherogenesis, using the apolipoprotein E-deficient (ApoE(-/-)) mouse model. METHODS AND RESULTS Ackr1(-/-)ApoE(-/-) and Ackr1(+/+)ApoE(-/-) littermates were obtained by crossing ApoE(-/-) mice and Ackr1(-/-) mice on a C57BL/6J background. Ackr1 (+/+)ApoE(-/-)mice fed a Western diet up-regulated Ackr1 expression in the aorta and had markedly increased atherosclerotic lesion size compared with Ackr1(-/-)ApoE(-/-) mice. This difference was observed in both the whole aorta and the aortic root in both early and late stages of the model. Ackr1 deficiency did not affect serum cholesterol levels or macrophage, collagen or smooth muscle cell content in atherosclerotic plaques, but significantly reduced the expression of Ccl2 and Cxcl1 in the whole aorta of ApoE(-/-) mice. In addition, Ackr1 deficiency resulted in a modest decrease in T cell subset frequency and inflammatory mononuclear phagocyte content in aorta and blood in the model. CONCLUSIONS Ackr1 deficiency appears to be protective in the ApoE knockout model of atherogenesis, but it is associated with only modest changes in cytokine and chemokine expression as well as T-cell subset frequency and inflammatory macrophage content.
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Affiliation(s)
- Wuzhou Wan
- Molecular Signaling Section, Laboratory of Molecular Immunology (LMI), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Qian Liu
- Molecular Signaling Section, Laboratory of Molecular Immunology (LMI), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Michail S Lionakis
- Fungal Pathogenesis Unit, Laboratory of Clinical Infectious Diseases, NIAID, NIH, Bethesda, MD, USA
| | - Ana Paula M P Marino
- Molecular Signaling Section, Laboratory of Molecular Immunology (LMI), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Stasia A Anderson
- National Heart, Lung and Blood Institute (NHLBI) Animal MRI Core, NIH, Bethesda, MD, USA
| | - Muthulekha Swamydas
- Fungal Pathogenesis Unit, Laboratory of Clinical Infectious Diseases, NIAID, NIH, Bethesda, MD, USA
| | - Philip M Murphy
- Molecular Signaling Section, Laboratory of Molecular Immunology (LMI), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, USA
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30
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De Silva JR, Lau YL, Fong MY. Genotyping of the Duffy blood group among Plasmodium knowlesi-infected patients in Malaysia. PLoS One 2014; 9:e108951. [PMID: 25268233 PMCID: PMC4182577 DOI: 10.1371/journal.pone.0108951] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2014] [Accepted: 08/26/2014] [Indexed: 11/17/2022] Open
Abstract
The Duffy blood group is of major interest in clinical medicine as it plays an important role in Plasmodium knowlesi and Plasmodium vivax infection. In the present study, the distribution of Duffy blood group genotypes and allelic frequencies among P. knowlesi infected patients as well as healthy individuals in Peninsular Malaysia were determined. The blood group of 60 healthy blood donors and 51 P. knowlesi malaria patients were genotyped using allele specific polymerase chain reaction (ASP-PCR). The data was analyzed using Fisher's exact test in order to assess the significance of the variables. Our results show a high proportion of the FY*A/FY*A genotype (>85% for both groups) and a high frequency of the FY*A allele (>90% for both groups). The FY*A/FY*A genotype was the most predominant genotype in both infected and healthy blood samples. The genotype frequency did not differ significantly between the donor blood and the malaria patient groups. Also, there was no significant correlation between susceptibility to P. knowlesi infection with any Duffy blood genotype.
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Affiliation(s)
- Jeremy Ryan De Silva
- Department of Parasitology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Yee Ling Lau
- Department of Parasitology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
- Tropical Disease Research and Education Centre, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Mun Yik Fong
- Department of Parasitology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
- Tropical Disease Research and Education Centre, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
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31
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Abstract
Chemokines have fundamental roles in regulating immune and inflammatory responses, primarily through their control of leukocyte migration and localization. The biological functions of chemokines are typically mediated by signalling through G protein-coupled chemokine receptors, but chemokines are also bound by a small family of atypical chemokine receptors (ACKRs), the members of which are unified by their inability to initiate classical signalling pathways after ligand binding. These ACKRs are emerging as crucial regulatory components of chemokine networks in a wide range of developmental, physiological and pathological contexts. In this Review, we discuss the biochemical and immunological properties of ACKRs and the potential unifying themes in this family, and we highlight recent studies that identify novel roles for these molecules in development , homeostasis, inflammatory disease, infection and cancer.
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32
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Bachelerie F, Ben-Baruch A, Burkhardt AM, Combadiere C, Farber JM, Graham GJ, Horuk R, Sparre-Ulrich AH, Locati M, Luster AD, Mantovani A, Matsushima K, Murphy PM, Nibbs R, Nomiyama H, Power CA, Proudfoot AEI, Rosenkilde MM, Rot A, Sozzani S, Thelen M, Yoshie O, Zlotnik A. International Union of Basic and Clinical Pharmacology. [corrected]. LXXXIX. Update on the extended family of chemokine receptors and introducing a new nomenclature for atypical chemokine receptors. Pharmacol Rev 2013; 66:1-79. [PMID: 24218476 DOI: 10.1124/pr.113.007724] [Citation(s) in RCA: 653] [Impact Index Per Article: 59.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Sixteen years ago, the Nomenclature Committee of the International Union of Pharmacology approved a system for naming human seven-transmembrane (7TM) G protein-coupled chemokine receptors, the large family of leukocyte chemoattractant receptors that regulates immune system development and function, in large part by mediating leukocyte trafficking. This was announced in Pharmacological Reviews in a major overview of the first decade of research in this field [Murphy PM, Baggiolini M, Charo IF, Hébert CA, Horuk R, Matsushima K, Miller LH, Oppenheim JJ, and Power CA (2000) Pharmacol Rev 52:145-176]. Since then, several new receptors have been discovered, and major advances have been made for the others in many areas, including structural biology, signal transduction mechanisms, biology, and pharmacology. New and diverse roles have been identified in infection, immunity, inflammation, development, cancer, and other areas. The first two drugs acting at chemokine receptors have been approved by the U.S. Food and Drug Administration (FDA), maraviroc targeting CCR5 in human immunodeficiency virus (HIV)/AIDS, and plerixafor targeting CXCR4 for stem cell mobilization for transplantation in cancer, and other candidates are now undergoing pivotal clinical trials for diverse disease indications. In addition, a subfamily of atypical chemokine receptors has emerged that may signal through arrestins instead of G proteins to act as chemokine scavengers, and many microbial and invertebrate G protein-coupled chemokine receptors and soluble chemokine-binding proteins have been described. Here, we review this extended family of chemokine receptors and chemokine-binding proteins at the basic, translational, and clinical levels, including an update on drug development. We also introduce a new nomenclature for atypical chemokine receptors with the stem ACKR (atypical chemokine receptor) approved by the Nomenclature Committee of the International Union of Pharmacology and the Human Genome Nomenclature Committee.
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Affiliation(s)
- Francoise Bachelerie
- Chair, Subcommittee on Chemokine Receptors, Nomenclature Committee-International Union of Pharmacology, Bldg. 10, Room 11N113, NIH, Bethesda, MD 20892.
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McMorran BJ, Burgio G, Foote SJ. New insights into the protective power of platelets in malaria infection. Commun Integr Biol 2013; 6:e23653. [PMID: 23710276 PMCID: PMC3656011 DOI: 10.4161/cib.23653] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2013] [Accepted: 01/17/2013] [Indexed: 12/18/2022] Open
Abstract
Platelets, as well as regulating blood hemostasis, are an important component of the body’s defense against invading microbial pathogens. We previously reported that platelets protect during malaria infection by binding Plasmodium-infected erythrocytes (IE) and killing the parasite within. More recent studies have now revealed the platelet plasmocidal factor, platelet factor 4 (PF4) and the red cell-expressed Duffy-antigen molecule as the central players in the parasite killing activity of platelets.
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Affiliation(s)
- Brendan J McMorran
- Australian School of Advanced Medicine; Macquarie University; Macquarie Park, NSW Australia
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34
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de Carvalho GB, de Carvalho GB. Duffy Blood Group System and the malaria adaptation process in humans. Rev Bras Hematol Hemoter 2013; 33:55-64. [PMID: 23284245 PMCID: PMC3521437 DOI: 10.5581/1516-8484.20110016] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2010] [Accepted: 02/04/2011] [Indexed: 11/27/2022] Open
Abstract
Malaria is an acute infectious disease caused by the protozoa of the genus
Plasmodium. The antigens of the Duffy Blood Group System, in addition to
incompatibilities in transfusions and hemolytic disease of the newborn, are of great
interest in medicine due to their association with the invasion of red blood cells by
the parasite Plasmodium vivax. For invasions to occur an interaction between the
parasites and antigens of the Duffy Blood Group System is necessary. In Caucasians
six antigens are produced by the Duffy locus (Fya, Fyb, F3, F4, F5 and F6). It has
been observed that Fy(a-b-) individuals are resistant to Plasmodium knowlesi and P.
vivax infection, because the invasion requires at least one of these antigens. The P.
vivax Duffy Binding Protein (PvDBP) is functionally important in the invasion process
of these parasites in Duffy / DARC positive humans. The proteins or fractions may be
considered, therefore, an important and potential inoculum to be used in immunization
against malaria.
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McMorran BJ, Wieczorski L, Drysdale KE, Chan JA, Huang HM, Smith C, Mitiku C, Beeson JG, Burgio G, Foote SJ. Platelet factor 4 and Duffy antigen required for platelet killing of Plasmodium falciparum. Science 2012; 338:1348-51. [PMID: 23224555 DOI: 10.1126/science.1228892] [Citation(s) in RCA: 122] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Platelets restrict the growth of intraerythrocytic malaria parasites by binding to parasitized cells and killing the parasite within. Here, we show that the platelet molecule platelet factor 4 (PF4 or CXCL4) and the erythrocyte Duffy-antigen receptor (Fy) are necessary for platelet-mediated killing of Plasmodium falciparum parasites. PF4 is released by platelets on contact with parasitized red cells, and the protein directly kills intraerythrocytic parasites. This function for PF4 is critically dependent on Fy, which binds PF4. Genetic disruption of Fy expression inhibits binding of PF4 to parasitized cells and concomitantly prevents parasite killing by both human platelets and recombinant human PF4. The protective function afforded by platelets during a malarial infection may therefore be compromised in Duffy-negative individuals, who do not express Fy.
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Affiliation(s)
- Brendan J McMorran
- Australian School of Advanced Medicine, Macquarie University, Sydney, NSW 2109, Australia.
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36
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Graham GJ, Locati M, Mantovani A, Rot A, Thelen M. The biochemistry and biology of the atypical chemokine receptors. Immunol Lett 2012; 145:30-8. [PMID: 22698181 DOI: 10.1016/j.imlet.2012.04.004] [Citation(s) in RCA: 129] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2012] [Accepted: 04/13/2012] [Indexed: 01/13/2023]
Abstract
A subset of chemokine receptors, initially called "silent" on the basis of their apparent failure to activate conventional signalling events, has recently attracted growing interest due to their ability to internalize, degrade, or transport ligands and thus modify gradients and create functional chemokine patterns in tissues. These receptors recognize distinct and complementary sets of ligands with high affinity, are strategically expressed in different cellular contexts, and lack structural determinants supporting Gα(i) activation, a key signalling event in cell migration. This is in keeping with the hypothesis that they have evolved to fulfil fundamentally different functions to the classical signalling chemokine receptors. Based on these considerations, these receptors (D6, Duffy antigen receptor for chemokines (DARC), CCX-CKR1 and CXCR7) are now collectively considered as an emerging class of 'atypical' chemokine receptors. In this article, we review the biochemistry and biology of this emerging chemokine receptor subfamily.
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Affiliation(s)
- G J Graham
- Institute of Infection, Immunity and Inflammation, Glasgow Biomedical Research Centre, University of Glasgow, Glasgow G12 8TA, UK.
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37
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Zhao Y, Mangalmurti NS, Xiong Z, Prakash B, Guo F, Stolz DB, Lee JS. Duffy antigen receptor for chemokines mediates chemokine endocytosis through a macropinocytosis-like process in endothelial cells. PLoS One 2011; 6:e29624. [PMID: 22216333 PMCID: PMC3246497 DOI: 10.1371/journal.pone.0029624] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2011] [Accepted: 12/01/2011] [Indexed: 12/26/2022] Open
Abstract
Background The Duffy antigen receptor for chemokines (DARC) shows high affinity binding to multiple inflammatory CC and CXC chemokines and is expressed by erythrocytes and endothelial cells. Recent evidence suggests that endothelial DARC facilitates chemokine transcytosis to promote neutrophil recruitment. However, the mechanism of chemokine endocytosis by DARC remains unclear. Methodology/Principal Findings We investigated the role of several endocytic pathways in DARC-mediated ligand internalization. Here we report that, although DARC co-localizes with caveolin-1 in endothelial cells, caveolin-1 is dispensable for DARC-mediated 125I-CXCL1 endocytosis as knockdown of caveolin-1 failed to inhibit ligand internalization. 125I-CXCL1 endocytosis by DARC was also independent of clathrin and flotillin-1 but required cholesterol and was, in part, inhibited by silencing Dynamin II expression.125I-CXCL1 endocytosis was inhibited by amiloride, cytochalasin D, and the PKC inhibitor Gö6976 whereas Platelet Derived Growth Factor (PDGF) enhanced ligand internalization through DARC. The majority of DARC-ligand interactions occurred on the endothelial surface, with DARC identified along plasma membrane extensions with the appearance of ruffles, supporting the concept that DARC provides a high affinity scaffolding function for surface retention of chemokines on endothelial cells. Conclusions/Significance These results show DARC-mediated chemokine endocytosis occurs through a macropinocytosis-like process in endothelial cells and caveolin-1 is dispensable for CXCL1 internalization.
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Affiliation(s)
- Yani Zhao
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Nilam S. Mangalmurti
- Pulmonary, Allergy and Critical Care Division, Department of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Zeyu Xiong
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Bharat Prakash
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Fengli Guo
- Department of Cell Biology and Physiology, Center for Biologic Imaging, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Donna B. Stolz
- Department of Cell Biology and Physiology, Center for Biologic Imaging, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Janet S. Lee
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
- * E-mail:
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Pavenski K, Saidenberg E, Lavoie M, Tokessy M, Branch DR. Red blood cell storage lesions and related transfusion issues: a Canadian Blood Services research and development symposium. Transfus Med Rev 2011; 26:68-84. [PMID: 21871777 DOI: 10.1016/j.tmrv.2011.07.003] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
For centuries, man has been trying to figure out how to revive sick and traumatized individuals using fluids of various types, even from animals. In the 17th century, it was determined that blood was the best fluid to use and, in the early 1900s, after the discovery of the ABO blood groups, human blood was found to provide significant benefit for patients with shock and/or anemia. In the 1950s and 1960s, various ways to obtain, process, and store human blood were developed. It soon became apparent that storage of human blood for transfusion was problematic because red cells, as they aged in vitro, underwent a multitude of physicochemical changes that greatly affected their shelf life, the so-called storage lesion. More recently, the question has arisen as to the potential detrimental effects of the storage lesion and suggestions that older blood may induce increased morbidity and even mortality despite its acceptable in vivo survival. To address this issue of the efficacy and safety of transfusion of aged stored blood, a number of controlled clinical trials have been instituted to determine if older blood is significantly detrimental compared with fresher blood in transfusion recipients.
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Affiliation(s)
- Katerina Pavenski
- Department of Laboratory Medicine, St. Michael's Hospital, Toronto, ON, Canada
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39
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Elson JK, Beebe-Dimmer JL, Morgenstern H, Chilkuri M, Blanchard J, Lentsch AB. The Duffy Antigen/Receptor for Chemokines (DARC) and prostate-cancer risk among Jamaican men. J Immigr Minor Health 2011; 13:36-41. [PMID: 20596779 DOI: 10.1007/s10903-010-9330-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
As an evolutionary response to prevent malaria infection, most Africans do not express the Duffy Antigen/Receptor for Chemokines (DARC) on their red blood cells. Results from experimental studies suggest that DARC expression inhibits prostate-tumor growth. We tested the hypothesis that men of African descent who lack DARC expression are at increased risk of prostate cancer. A case-control study involving 81 age-matched pairs was conducted in Jamaica. Participants were interviewed to collect data, and they donated blood for determination of DARC expression. Logistic regression was used to estimate associations with prostate cancer and aggressive disease. Little or no association was observed between erythrocyte DARC expression and prostate cancer or between DARC expression and aggressive disease. These associations changed little when adjusting for other potential confounders. Our results do not support an effect of erythrocyte DARC expression on the risk or progression of prostate cancer in men of African descent.
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Affiliation(s)
- Joshua K Elson
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, MI, USA
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40
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Abstract
Atypical chemokine receptors (ACRs) are cell surface receptors with seven transmembrane domains structurally homologous to chemokine G-protein coupled receptors (GPCRs). However, upon ligation by cognate chemokines, ACRs fail to induce classical signaling and downstream cellular responses characteristic for GPCRs. Despite this, by affecting chemokine availability and function, ACRs impact on a multitude of pathophysiological events and have emerged as important molecular players in health and disease. This review discusses individual characteristics of the currently known ACRs, highlights their similarities and differences and attempts to establish their group identity. It summarizes the progress made in mapping ACR expression, understanding their diverse in vitro and in vivo functions of ACRs and uncovering their contributions to disease pathogeneses.
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Affiliation(s)
| | | | - Antal Rot
- MRC Centre for Immune Regulation, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
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41
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Smolarek D, Hattab C, Hassanzadeh-Ghassabeh G, Cochet S, Gutiérrez C, de Brevern AG, Udomsangpetch R, Picot J, Grodecka M, Wasniowska K, Muyldermans S, Colin Y, Le Van Kim C, Czerwinski M, Bertrand O. A recombinant dromedary antibody fragment (VHH or nanobody) directed against human Duffy antigen receptor for chemokines. Cell Mol Life Sci 2010; 67:3371-87. [PMID: 20458517 PMCID: PMC2966875 DOI: 10.1007/s00018-010-0387-6] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2010] [Revised: 04/21/2010] [Accepted: 04/23/2010] [Indexed: 12/11/2022]
Abstract
Fy blood group antigens are carried by the Duffy antigen receptor for chemokines (DARC), a red cells receptor for Plasmodium vivax broadly implicated in human health and diseases. Recombinant VHHs, or nanobodies, the smallest intact antigen binding fragment derivative from the heavy chain-only antibodies present in camelids, were prepared from a dromedary immunized against DARC N-terminal extracellular domain and selected for DARC binding. A described VHH, CA52, does recognize native DARC on cells. It inhibits P. vivax invasion of erythrocytes and displaces interleukin-8 bound to DARC. The targeted epitope overlaps the well-defined DARC Fy6 epitope. K (D) of CA52-DARC equilibrium is sub-nanomolar, hence ideal to develop diagnostic or therapeutic compounds. Immunocapture by immobilized CA52 yielded highly purified DARC from engineered K562 cells. This first report on a VHH with specificity for a red blood cell protein exemplifies VHHs' potentialities to target, to purify, and to modulate the function of cellular markers.
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Affiliation(s)
- Dorota Smolarek
- INSERM, UMR_S 665, 75015 Paris, France
- Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland
- Institut National de la Transfusion Sanguine, 75015 Paris, France
- Université Paris7-Denis Diderot, 75013 Paris, France
| | - Claude Hattab
- INSERM, UMR_S 665, 75015 Paris, France
- Institut National de la Transfusion Sanguine, 75015 Paris, France
- Université Paris7-Denis Diderot, 75013 Paris, France
| | - Gholamreza Hassanzadeh-Ghassabeh
- Laboratory of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium
- Department of Molecular and Cellular Interactions, VIB, Brussels, Belgium
| | - Sylvie Cochet
- INSERM, UMR_S 665, 75015 Paris, France
- Institut National de la Transfusion Sanguine, 75015 Paris, France
- Université Paris7-Denis Diderot, 75013 Paris, France
| | - Carlos Gutiérrez
- Department of Animal Medicine and Surgery, Veterinary Faculty, University of Las Palmas, Las Palmas, Spain
| | - Alexandre G. de Brevern
- INSERM, UMR_S 665, 75015 Paris, France
- Institut National de la Transfusion Sanguine, 75015 Paris, France
- Université Paris7-Denis Diderot, 75013 Paris, France
| | | | - Julien Picot
- INSERM, UMR_S 665, 75015 Paris, France
- Institut National de la Transfusion Sanguine, 75015 Paris, France
- Université Paris7-Denis Diderot, 75013 Paris, France
| | - Magdalena Grodecka
- Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland
| | - Kazimiera Wasniowska
- Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland
| | - Serge Muyldermans
- Laboratory of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium
- Department of Molecular and Cellular Interactions, VIB, Brussels, Belgium
| | - Yves Colin
- INSERM, UMR_S 665, 75015 Paris, France
- Institut National de la Transfusion Sanguine, 75015 Paris, France
- Université Paris7-Denis Diderot, 75013 Paris, France
| | - Caroline Le Van Kim
- INSERM, UMR_S 665, 75015 Paris, France
- Institut National de la Transfusion Sanguine, 75015 Paris, France
- Université Paris7-Denis Diderot, 75013 Paris, France
| | - Marcin Czerwinski
- Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland
| | - Olivier Bertrand
- INSERM, UMR_S 665, 75015 Paris, France
- Institut National de la Transfusion Sanguine, 75015 Paris, France
- Université Paris7-Denis Diderot, 75013 Paris, France
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Xiong Z, Cavaretta J, Qu L, Stolz DB, Triulzi D, Lee JS. Red blood cell microparticles show altered inflammatory chemokine binding and release ligand upon interaction with platelets. Transfusion 2010; 51:610-21. [PMID: 20738825 DOI: 10.1111/j.1537-2995.2010.02861.x] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND Storage of red blood cells (RBCs) under standard blood bank conditions results in reduced structural integrity leading to membrane budding and release of microparticles. Microparticles express the blood group Duffy antigen known to bind multiple inflammatory chemokines, but the functional chemokine binding properties of microparticles are not known. STUDY DESIGN AND METHODS We determined whether storage-induced microparticles show inflammatory chemokine binding through the expression of the Duffy antigen, comparing the binding properties to intact RBCs, and assessed microparticle interactions with platelets (PLTs) that release chemokines upon activation. RESULTS Intact RBCs retained similar equilibrium dissociation constants for CCL2 (Kd = 7.4 ± 0.9 nmol/L), CXCL8 (Kd = 7.9 ± 1.0 nmol/L), and CXCL1 (Kd = 4.4 ± 1.0 nmol/L) throughout storage. In contrast, microparticles increased in relative counts with storage, showed higher percentages of surface phosphatidylserine, and demonstrated impaired Duffy-dependent chemokine binding affinity with wider variability in dissociation constant for CXCL1(Kd = 362 ± 328 nmol/L; range, 0.6-2000 nmol/L). The altered chemokine binding affinity of RBC microparticles was associated with a propensity to release ligand upon incubation with PLTs. Relative quantification of microparticles, based on criteria of glycophorin A expression and size, underestimated particle numbers with functional chemokine binding, suggesting that glycophorin A-negative particles and nanoparticles contribute to overall chemokine binding capacity. CONCLUSION Microparticle burden in transfusates, as determined by functional chemokine binding, is considerable. Altered membrane properties of RBC microparticles enhance PLT interactions to increase inflammatory chemokine bioavailability in vitro.
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Affiliation(s)
- Zeyu Xiong
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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43
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Expression of stromal derived factor-1 (SDF-1) and chemokine receptor (CXCR4) in bone metastasis of renal carcinoma. Mol Biol Rep 2010; 38:1039-45. [PMID: 20563655 DOI: 10.1007/s11033-010-0200-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2010] [Accepted: 06/11/2010] [Indexed: 10/19/2022]
Abstract
Renal cancer is a relatively common malignant carcinoma that metastasizes to bone. The chemokine stromal derived factor-1 (SDF-1) and its corresponding receptor CXCR4 have been shown to regulate organ-specific metastasis in other cancer types. Based on this observation, we predicted that the expressions of SDF-1 and CXCR4 play a role in renal carcinoma metastasis to bone. To investigate the expressions of SDF-1 and CXCR4, and to assess the correlation between SDF-1 and CXCR4 immunoreactivity in bone metastasis of renal carcinoma, we collected 10 in situ renal carcinoma samples and 30 bone metastasis samples. We analyzed SDF-1 and CXCR4 expression with immunohistochemical analysis on paraffin-embedded sections. Compared with primary renal carcinomas, the SDF-1 expression in bone metastases was significantly higher [80% (24/30) vs. 30% (3/10), P = 0.006]; the expression of CXCR4 was also higher [83.3% (25/30) vs. 40% (4/10), P = 0.014]. Pearson correlation analysis supports a positive correlation between SDF-1 and CXCR4 in bone metastasis of renal carcinoma. In addition, RT-PCR demonstrated that, as compared with in situ renal carcinoma tissues, SDF-1 expression was predominant in the bone metastasis samples (P = 0.001), while CXCR4 was overexpressed in the bone metastasis tissues (P = 0.028). Western blot analysis confirmed these trends. Our data suggest that the expression of SDF-1/CXCR4 is high in bone metastases and over-expression of SDF-1/CXCR4 may play important roles in the bone metastasis of renal carcinoma.
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44
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Tyrosine sulfation: an increasingly recognised post-translational modification of secreted proteins. N Biotechnol 2009; 25:299-317. [DOI: 10.1016/j.nbt.2009.03.011] [Citation(s) in RCA: 128] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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45
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Abstract
Neutrophil recruitment into inflamed tissue in response to injury or infection is tightly regulated. Reduced neutrophil recruitment can result in a reduced ability to fight invading microorganisms. During inflammation, neutrophils roll along the endothelial wall of postcapillary venules and integrate inflammatory signals. Neutrophil activation by selectins and chemokines regulates integrin adhesiveness. Binding of activated integrins to their counter-receptors on endothelial cells induces neutrophil arrest and firm adhesion. Adherent neutrophils can be further activated to undergo cytoskeletal rearrangement, crawling, transmigration, superoxide production, and respiratory burst. Signaling through G-protein-coupled receptors, selectin ligands, Fc receptors and outside-in signaling through integrins are all involved in neutrophil activation, but their interplay in the multistep process of recruitment is only beginning to emerge. This review provides an overview of signaling in rolling and adherent neutrophils.
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Affiliation(s)
- Alexander Zarbock
- Division of Inflammation Biology, La Jolla Institute for Allergy and Immunology, La Jolla, CA 92037, USA
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46
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Vomaske J, Melnychuk RM, Smith PP, Powell J, Hall L, DeFilippis V, Früh K, Smit M, Schlaepfer DD, Nelson JA, Streblow DN. Differential ligand binding to a human cytomegalovirus chemokine receptor determines cell type-specific motility. PLoS Pathog 2009; 5:e1000304. [PMID: 19229316 PMCID: PMC2637432 DOI: 10.1371/journal.ppat.1000304] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2008] [Accepted: 01/20/2009] [Indexed: 01/19/2023] Open
Abstract
While most chemokine receptors fail to cross the chemokine class boundary with respect to the ligands that they bind, the human cytomegalovirus (HCMV)-encoded chemokine receptor US28 binds multiple CC-chemokines and the CX(3)C-chemokine Fractalkine. US28 binding to CC-chemokines is both necessary and sufficient to induce vascular smooth muscle cell (SMC) migration in response to HCMV infection. However, the function of Fractalkine binding to US28 is unknown. In this report, we demonstrate that Fractalkine binding to US28 not only induces migration of macrophages but also acts to inhibit RANTES-mediated SMC migration. Similarly, RANTES inhibits Fractalkine-mediated US28 migration in macrophages. While US28 binding of both RANTES and Fractalkine activate FAK and ERK-1/2, RANTES signals through Galpha12 and Fractalkine through Galphaq. These findings represent the first example of differential chemotactic signaling via a multiple chemokine family binding receptor that results in migration of two different cell types. Additionally, the demonstration that US28-mediated chemotaxis is both ligand-specific and cell type-specific has important implications in the role of US28 in HCMV pathogenesis.
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Affiliation(s)
- Jennifer Vomaske
- Department of Molecular Microbiology and Immunology and The Vaccine and Gene Therapy Institute, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Ryan M. Melnychuk
- Department of Molecular Microbiology and Immunology and The Vaccine and Gene Therapy Institute, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Patricia P. Smith
- Department of Molecular Microbiology and Immunology and The Vaccine and Gene Therapy Institute, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Joshua Powell
- Department of Molecular Microbiology and Immunology and The Vaccine and Gene Therapy Institute, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Laurel Hall
- Department of Molecular Microbiology and Immunology and The Vaccine and Gene Therapy Institute, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Victor DeFilippis
- Department of Molecular Microbiology and Immunology and The Vaccine and Gene Therapy Institute, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Klaus Früh
- Department of Molecular Microbiology and Immunology and The Vaccine and Gene Therapy Institute, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Martine Smit
- Leiden/Amsterdam Center for Drug Research, Division of Medicinal Chemistry, Faculty of Chemistry, Amsterdam, The Netherlands
| | - David D. Schlaepfer
- Department of Immunology, The Scripps Research Institute, La Jolla, California, United States of America
| | - Jay A. Nelson
- Department of Molecular Microbiology and Immunology and The Vaccine and Gene Therapy Institute, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Daniel N. Streblow
- Department of Molecular Microbiology and Immunology and The Vaccine and Gene Therapy Institute, Oregon Health & Science University, Portland, Oregon, United States of America
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47
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Graham GJ. D6 and the atypical chemokine receptor family: novel regulators of immune and inflammatory processes. Eur J Immunol 2009; 39:342-51. [PMID: 19130487 DOI: 10.1002/eji.200838858] [Citation(s) in RCA: 101] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Chemokines are key regulators of leukocyte migration and play important roles in a number of physiological and pathological immune and inflammatory contexts. In addition to the classical signalling chemokine receptors there has emerged, recently, a new subclass of atypical chemokine receptors. This subfamily is characterised by an apparent lack of signalling and, in some cases, by an ability to internalise and degrade chemokine ligands. This review describes the family of atypical chemokine receptors with particular emphasis on the D6 receptor. The in vitro and in vivo biology of D6 is described, which indicates that D6 is active as a scavenger of inflammatory CC-chemokines and appears to play essential roles in the regulation of inflammatory responses.
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Affiliation(s)
- Gerard J Graham
- Division of Immunology, Infection and Inflammation, Glasgow Biomedical Research Centre, University of Glasgow, Glasgow, UK.
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48
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Mangalmurti NS, Xiong Z, Hulver M, Ranganathan M, Liu XH, Oriss T, Fitzpatrick M, Rubin M, Triulzi D, Choi A, Lee JS. Loss of red cell chemokine scavenging promotes transfusion-related lung inflammation. Blood 2009; 113:1158-66. [PMID: 19064726 PMCID: PMC2635081 DOI: 10.1182/blood-2008-07-166264] [Citation(s) in RCA: 88] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2008] [Accepted: 11/25/2008] [Indexed: 12/14/2022] Open
Abstract
Red cell transfusions are associated with the development of acute lung injury in the critically ill. Recent evidence suggests that storage induced alterations of the red blood cell (RBC) collectively termed the "storage lesion" may be linked with adverse biologic consequences. Using a 2-event model of systemic endotoxemia followed by a secondary challenge of RBC transfusion, we investigated whether purified RBC concentrates from syngeneic C57BL/6 mice altered inflammatory responses in murine lungs. Transfusion of RBCs stored for 10 days increased neutrophil counts, macrophage inflammatory protein-2 (MIP-2) and chemokine (KC) concentrations in the airspaces, and lung microvascular permeability compared with transfusion of less than 1-day-old RBCs. Because RBCs have been shown to scavenge inflammatory chemokines through the blood group Duffy antigen, we investigated the expression and function of Duffy during storage. In banked human RBCs, both Duffy expression and chemokine scavenging function were reduced with increasing duration of storage. Transfusion of Duffy knockout RBCs into Duffy wild-type endotoxemic mice increased airspace neutrophils, inflammatory cytokine concentrations, and lung microvascular permeability compared with transfusion of Duffy wild-type RBCs. Thus, reduction in erythrocyte chemokine scavenging is one functional consequence of the storage lesion by which RBC transfusion can augment existing lung inflammation.
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Affiliation(s)
- Nilam S Mangalmurti
- Department of Medicine, Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh, PA 15213, USA
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49
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Reich D, Nalls MA, Kao WHL, Akylbekova EL, Tandon A, Patterson N, Mullikin J, Hsueh WC, Cheng CY, Coresh J, Boerwinkle E, Li M, Waliszewska A, Neubauer J, Li R, Leak TS, Ekunwe L, Files JC, Hardy CL, Zmuda JM, Taylor HA, Ziv E, Harris TB, Wilson JG. Reduced neutrophil count in people of African descent is due to a regulatory variant in the Duffy antigen receptor for chemokines gene. PLoS Genet 2009; 5:e1000360. [PMID: 19180233 PMCID: PMC2628742 DOI: 10.1371/journal.pgen.1000360] [Citation(s) in RCA: 274] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2008] [Accepted: 12/30/2008] [Indexed: 11/26/2022] Open
Abstract
Persistently low white blood cell count (WBC) and neutrophil count is a well-described phenomenon in persons of African ancestry, whose etiology remains unknown. We recently used admixture mapping to identify an approximately 1-megabase region on chromosome 1, where ancestry status (African or European) almost entirely accounted for the difference in WBC between African Americans and European Americans. To identify the specific genetic change responsible for this association, we analyzed genotype and phenotype data from 6,005 African Americans from the Jackson Heart Study (JHS), the Health, Aging and Body Composition (Health ABC) Study, and the Atherosclerosis Risk in Communities (ARIC) Study. We demonstrate that the causal variant must be at least 91% different in frequency between West Africans and European Americans. An excellent candidate is the Duffy Null polymorphism (SNP rs2814778 at chromosome 1q23.2), which is the only polymorphism in the region known to be so differentiated in frequency and is already known to protect against Plasmodium vivax malaria. We confirm that rs2814778 is predictive of WBC and neutrophil count in African Americans above beyond the previously described admixture association (P = 3.8 x 10(-5)), establishing a novel phenotype for this genetic variant.
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Affiliation(s)
- David Reich
- Department of Genetics, Harvard Medical School, Boston, Massachusetts, United States of America
- Broad Institute of Harvard and MIT, Cambridge, Massachusetts, United States of America
| | - Michael A. Nalls
- Laboratory of Neurogenetics, Intramural Research Program, National Institute on Aging, Bethesda, Maryland, United States of America
- Laboratory of Epidemiology, Demography and Biometry, Intramural Research Program, National Institute on Aging, Bethesda, Maryland, United States of America
| | - W. H. Linda Kao
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America
| | - Ermeg L. Akylbekova
- Jackson Heart Study Analysis Group, Jackson State University, Jackson, Mississippi, United States of America
| | - Arti Tandon
- Department of Genetics, Harvard Medical School, Boston, Massachusetts, United States of America
- Broad Institute of Harvard and MIT, Cambridge, Massachusetts, United States of America
| | - Nick Patterson
- Broad Institute of Harvard and MIT, Cambridge, Massachusetts, United States of America
| | - James Mullikin
- Comparative Genomics Unit, Genome Technology Branch, National Human Genome Research Institute, Rockville, Maryland, United States of America
| | - Wen-Chi Hsueh
- Division of Medical Genetics, Department of Medicine, Department of Epidemiology and Biostatistics, Institute for Human Genetics, University of California San Francisco, San Francisco, California, United States of America
| | - Ching-Yu Cheng
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America
- Inherited Disease Research Branch, National Human Genome Research Institute, Baltimore, Maryland, United States of America
| | - Josef Coresh
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America
| | - Eric Boerwinkle
- Human Genetics Center, University of Texas Health Science Center at Houston, Houston, Texas, United States of America
| | - Man Li
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America
| | - Alicja Waliszewska
- Broad Institute of Harvard and MIT, Cambridge, Massachusetts, United States of America
- Laboratory of Molecular Immunology, Center for Neurologic Disease, Brigham and Women's Hospital, Boston, Massachusetts, United States of America
| | - Julie Neubauer
- Broad Institute of Harvard and MIT, Cambridge, Massachusetts, United States of America
| | - Rongling Li
- Department of Preventive Medicine, Center for Genomics and Bioinformatics, University of Tennessee Health Science Center, Memphis, Tennessee, United States of America
| | - Tennille S. Leak
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Lynette Ekunwe
- Jackson Heart Study Analysis Group, Jackson State University, Jackson, Mississippi, United States of America
| | - Joe C. Files
- Department of Medicine, Division of Hematology, University of Mississippi Medical Center, Jackson, Mississippi, United States of America
| | - Cheryl L. Hardy
- Department of Medicine, Division of Hematology, University of Mississippi Medical Center, Jackson, Mississippi, United States of America
| | - Joseph M. Zmuda
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Herman A. Taylor
- Jackson State University, Jackson, Mississippi, United States of America
- Tougaloo College, Jackson, Mississippi, United States of America
- University of Mississippi Medical Center, Jackson, Mississippi, United States of America
| | - Elad Ziv
- Division of General Internal Medicine, Department of Medicine, University of California San Francisco, San Francisco, California, United States of America
- Department of Epidemiology and Biostatistics, Institute for Human Genetics, University of California San Francisco, San Francisco, California, United States of America
- Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, California, United States of America
| | - Tamara B. Harris
- Laboratory of Epidemiology, Demography and Biometry, Intramural Research Program, National Institute on Aging, Bethesda, Maryland, United States of America
| | - James G. Wilson
- V.A. Medical Center, Jackson, Mississippi, United States of America
- University of Mississippi Medical Center, Jackson, Mississippi, United States of America
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Afenyi-Annan A, Kail M, Combs MR, Orringer EP, Ashley-Koch A, Telen MJ. Lack of Duffy antigen expression is associated with organ damage in patients with sickle cell disease. Transfusion 2008; 48:917-24. [DOI: 10.1111/j.1537-2995.2007.01622.x] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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