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Korbecki J, Bosiacki M, Kupnicka P, Barczak K, Chlubek D, Baranowska-Bosiacka I. CXCR4 as a therapeutic target in acute myeloid leukemia. Leukemia 2024:10.1038/s41375-024-02326-3. [PMID: 39261603 DOI: 10.1038/s41375-024-02326-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 06/12/2024] [Accepted: 06/25/2024] [Indexed: 09/13/2024]
Abstract
Extensive research on the CXCL12-CXCR4 axis in acute myeloid leukemia (AML) has resulted in the incorporation of novel anti-leukemia drugs targeting this axis into therapeutic strategies. However, despite this progress, a comprehensive and up-to-date review addressing the role of the CXCL12-CXCR4 axis in AML's oncogenic processes is lacking. In this review, we examine its molecular aspects influencing cancer progression, such as its impact on autonomous proliferation, apoptotic regulation, chemoresistance mechanisms, and interactions with non-leukemic cells such as MSCs and Treg cells. Additionally, we explore clinical implications, including prognosis, correlation with WBC count, blast count in the bone marrow and peripheral blood, as well as its association with FLT3-ITD, NPM1 mutations, and FAB classification. Finally, this paper extensively discusses drugs that specifically target the CXCL12-CXCR4 axis, including plerixafor/AMD3100, ulocuplumab, peptide E5, and motixafortide, shedding light on their potential therapeutic value in the treatment of AML.
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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, 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
| | - Patrycja Kupnicka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111, Szczecin, Poland
| | - Katarzyna Barczak
- 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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2
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García-Cuesta EM, Martínez P, Selvaraju K, Ulltjärn G, Gómez Pozo AM, D'Agostino G, Gardeta S, Quijada-Freire A, Blanco Gabella P, Roca C, Hoyo DD, Jiménez-Saiz R, García-Rubia A, Soler Palacios B, Lucas P, Ayala-Bueno R, Santander Acerete N, Carrasco Y, Oscar Sorzano C, Martinez A, Campillo NE, Jensen LD, Rodriguez Frade JM, Santiago C, Mellado M. Allosteric modulation of the CXCR4:CXCL12 axis by targeting receptor nanoclustering via the TMV-TMVI domain. eLife 2024; 13:RP93968. [PMID: 39248648 PMCID: PMC11383527 DOI: 10.7554/elife.93968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/10/2024] Open
Abstract
CXCR4 is a ubiquitously expressed chemokine receptor that regulates leukocyte trafficking and arrest in both homeostatic and pathological states. It also participates in organogenesis, HIV-1 infection, and tumor development. Despite the potential therapeutic benefit of CXCR4 antagonists, only one, plerixafor (AMD3100), which blocks the ligand-binding site, has reached the clinic. Recent advances in imaging and biophysical techniques have provided a richer understanding of the membrane organization and dynamics of this receptor. Activation of CXCR4 by CXCL12 reduces the number of CXCR4 monomers/dimers at the cell membrane and increases the formation of large nanoclusters, which are largely immobile and are required for correct cell orientation to chemoattractant gradients. Mechanistically, CXCR4 activation involves a structural motif defined by residues in TMV and TMVI. Using this structural motif as a template, we performed in silico molecular modeling followed by in vitro screening of a small compound library to identify negative allosteric modulators of CXCR4 that do not affect CXCL12 binding. We identified AGR1.137, a small molecule that abolishes CXCL12-mediated receptor nanoclustering and dynamics and blocks the ability of cells to sense CXCL12 gradients both in vitro and in vivo while preserving ligand binding and receptor internalization.
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Affiliation(s)
- Eva M García-Cuesta
- Chemokine Signaling group, Department of Immunology and Oncology, Centro Nacional de Biotecnología/CSIC, Campus de Cantoblanco, Madrid, Spain
| | - Pablo Martínez
- Chemokine Signaling group, Department of Immunology and Oncology, Centro Nacional de Biotecnología/CSIC, Campus de Cantoblanco, Madrid, Spain
| | - Karthik Selvaraju
- Division of Diagnostics and Specialist Medicine, Department of Health, Medical and Caring Sciences, Linköping University, Linköping, Sweden
| | - Gabriel Ulltjärn
- Division of Diagnostics and Specialist Medicine, Department of Health, Medical and Caring Sciences, Linköping University, Linköping, Sweden
| | | | - Gianluca D'Agostino
- Chemokine Signaling group, Department of Immunology and Oncology, Centro Nacional de Biotecnología/CSIC, Campus de Cantoblanco, Madrid, Spain
| | - Sofia Gardeta
- Chemokine Signaling group, Department of Immunology and Oncology, Centro Nacional de Biotecnología/CSIC, Campus de Cantoblanco, Madrid, Spain
| | - Adriana Quijada-Freire
- Chemokine Signaling group, Department of Immunology and Oncology, Centro Nacional de Biotecnología/CSIC, Campus de Cantoblanco, Madrid, Spain
| | | | - Carlos Roca
- Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), Madrid, Spain
| | - Daniel Del Hoyo
- Biocomputing Unit, Centro Nacional de Biotecnología (CNB-CSIC), Campus de Cantoblanco, Madrid, Spain
| | - Rodrigo Jiménez-Saiz
- Chemokine Signaling group, Department of Immunology and Oncology, Centro Nacional de Biotecnología/CSIC, Campus de Cantoblanco, Madrid, Spain
- Department of Immunology, Instituto de Investigación Sanitaria Hospital Universitario de La Princesa (IIS-Princesa), Madrid, Spain
- Department of Medicine, McMaster Immunology Research Centre (MIRC), Schroeder Allergy and Immunology Research Institute, McMaster University, Hamilton, Canada
- Faculty of Experimental Sciences, Universidad Francisco de Vitoria (UFV), Madrid, Spain
| | | | - Blanca Soler Palacios
- Chemokine Signaling group, Department of Immunology and Oncology, Centro Nacional de Biotecnología/CSIC, Campus de Cantoblanco, Madrid, Spain
| | - Pilar Lucas
- Chemokine Signaling group, Department of Immunology and Oncology, Centro Nacional de Biotecnología/CSIC, Campus de Cantoblanco, Madrid, Spain
| | - Rosa Ayala-Bueno
- Chemokine Signaling group, Department of Immunology and Oncology, Centro Nacional de Biotecnología/CSIC, Campus de Cantoblanco, Madrid, Spain
| | - Noelia Santander Acerete
- Chemokine Signaling group, Department of Immunology and Oncology, Centro Nacional de Biotecnología/CSIC, Campus de Cantoblanco, Madrid, Spain
| | - Yolanda Carrasco
- B Lymphocyte Dynamics, Department of Immunology and Oncology, Centro Nacional de Biotecnología (CNB)/CSIC, Campus de Cantoblanco, Madrid, Spain
| | - Carlos Oscar Sorzano
- Biocomputing Unit, Centro Nacional de Biotecnología (CNB-CSIC), Campus de Cantoblanco, Madrid, Spain
| | - Ana Martinez
- Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), Madrid, Spain
- Neurodegenerative Diseases Biomedical Research Network Center (CIBERNED), Instituto de Salud Carlos III, Madrid, Spain
| | - Nuria E Campillo
- Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), Madrid, Spain
| | - Lasse D Jensen
- Division of Diagnostics and Specialist Medicine, Department of Health, Medical and Caring Sciences, Linköping University, Linköping, Sweden
| | - Jose Miguel Rodriguez Frade
- Chemokine Signaling group, Department of Immunology and Oncology, Centro Nacional de Biotecnología/CSIC, Campus de Cantoblanco, Madrid, Spain
| | - César Santiago
- X-ray Crystallography Unit, Department of Macromolecules Structure, Centro Nacional de Biotecnología/CSIC, Campus de Cantoblanco, Madrid, Spain
| | - Mario Mellado
- Chemokine Signaling group, Department of Immunology and Oncology, Centro Nacional de Biotecnología/CSIC, Campus de Cantoblanco, Madrid, Spain
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Yang J, Tian E, Chen L, Liu Z, Ren Y, Mao W, Zhang Y, Zhang J. Development and therapeutic perspectives of CXCR4 antagonists for disease therapy. Eur J Med Chem 2024; 275:116594. [PMID: 38879970 DOI: 10.1016/j.ejmech.2024.116594] [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: 04/07/2024] [Revised: 06/10/2024] [Accepted: 06/10/2024] [Indexed: 06/18/2024]
Abstract
Chemokine receptor 4 (CXCR4) is a subtype receptor protein of the GPCR family with a seven-transmembrane structure widely distributed in human tissues. CXCR4 is involved in diseases (e.g., HIV-1 infection), cancer proliferation and metastasis, inflammation signaling pathways, and leukemia, making it a promising drug target. Clinical trials on CXCR4 antagonists mainly focused on peptides and antibodies, with a few small molecule compounds, such as AMD11070 (2) and MSX-122 (3), showing promise in cancer treatment. This perspective discusses the structure-activity relationship (SAR) of CXCR4 and its role in diseases, mainly focusing on the SAR of CXCR4 antagonists. It also explores the standard structural features and target interactions of CXCR4 binding in different disease categories. Furthermore, it investigates various modification strategies to propose potential improvements in the effectiveness of CXCR4 drugs.
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Affiliation(s)
- Jun Yang
- Department of Neurology, Laboratory of Neuro-system and Multimorbidity and State Key Laboratory of Biotherapy and Cancer Center and Institute of Respiratory Health and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Erkang Tian
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases & Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Li Chen
- Department of Neurology, Laboratory of Neuro-system and Multimorbidity and State Key Laboratory of Biotherapy and Cancer Center and Institute of Respiratory Health and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Zihang Liu
- Department of Neurology, Laboratory of Neuro-system and Multimorbidity and State Key Laboratory of Biotherapy and Cancer Center and Institute of Respiratory Health and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Yijiu Ren
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, 200433, China
| | - Wuyu Mao
- Department of Neurology, Laboratory of Neuro-system and Multimorbidity and State Key Laboratory of Biotherapy and Cancer Center and Institute of Respiratory Health and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.
| | - Yiwen Zhang
- Department of Neurology, Laboratory of Neuro-system and Multimorbidity and State Key Laboratory of Biotherapy and Cancer Center and Institute of Respiratory Health and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.
| | - Jifa Zhang
- Department of Neurology, Laboratory of Neuro-system and Multimorbidity and State Key Laboratory of Biotherapy and Cancer Center and Institute of Respiratory Health and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.
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4
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Shim GJ, Lee CO, Lee JT, Jung HM, Kwon TG. Potentiating effect of AMD3100 on bone morphogenetic protein-2 induced bone regeneration. Maxillofac Plast Reconstr Surg 2024; 46:22. [PMID: 38884872 PMCID: PMC11183024 DOI: 10.1186/s40902-024-00431-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Accepted: 06/10/2024] [Indexed: 06/18/2024] Open
Abstract
BACKGROUND AMD3100, a CXCR4 antagonist, is currently prescribed for activating the mobilization of hematopoietic stem cells. Recently, AMD3100 was shown to potentiate bone morphogenetic protein-2 (BMP-2)-induced bone formation by stimulating the trafficking of mesenchymal cells. However, optimization of the strategic combination of AMD3100 and BMP-2 has not yet been clearly established. The purpose of this study was to evaluate the effect of AMD3100 on BMP-2-induced bone regeneration in vitro and in a mouse calvarial defect healing model. METHODS In vitro osteoblastic differentiation and cell migration after sequential treatments with AMD3100 and BMP-2 were analyzed by alkaline phosphatase (ALP) activity, ALP staining, and calcium accumulation. Migration capacity was evaluated after treating mesenchymal cells with AMD3100 and/or BMP-2. A critical-size calvarial defect model was used to evaluate bone formation after sequential or continuous treatment with AMD3100 and BMP-2. The degree of bone formation in the defect was analyzed using micro-computed tomography (micro-CT) and histological staining. RESULTS Compared with single treatment using either AMD3100 or BMP-2 alone, sequential treatment with AMD3100 followed by BMP-2 on mesenchymal cells increased osteogenic differentiation. Application of AMD3100 and subsequent BMP-2 significantly activated cell migration on mesenchymal cell than BMP-2 alone or AMD3100 alone. Micro-CT and histomorphometric analysis showed that continuous intraperitoneal (IP) injection of AMD3100 resulted significantly increased new bone formation in BMP-2 loaded scaffold in calvarial defect than control groups without AMD3100 IP injection. Additionally, both single IP injection of AMD3100 and subsequent BMP-2 injection to the scaffold in calvarial defect showed pronounced new bone formation compared to continuous BMP-2 treatment without AMD3100 treatment. CONCLUSION Our data suggest that single or continuous injection of AMD3100 can potentiate BMP-2-induced osteoblastic differentiation and bone regeneration. This strategic combination of AMD3100 and BMP-2 may be a promising therapy for bone regeneration.
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Affiliation(s)
- Gyu-Jo Shim
- Department of Oral & Maxillofacial Surgery, School of Dentistry, Kyungpook National University, and Institute for Translational Research in Dentistry, Kyungpook National University, Daegu, Republic of Korea
| | - Chung O Lee
- Department of Oral & Maxillofacial Surgery, School of Dentistry, Kyungpook National University, and Institute for Translational Research in Dentistry, Kyungpook National University, Daegu, Republic of Korea
| | - Jung-Tae Lee
- Department of Oral & Maxillofacial Surgery, School of Dentistry, Kyungpook National University, and Institute for Translational Research in Dentistry, Kyungpook National University, Daegu, Republic of Korea
| | - Hong-Moon Jung
- Department of Radiologic Technology, Daegu Health College, Daegu, Republic of Korea
| | - Tae-Geon Kwon
- Department of Oral & Maxillofacial Surgery, School of Dentistry, Kyungpook National University, and Kyungpook National University Institute for Translational Research in Dentistry, 2177 Dalgubeol-daero, Jung-Gu, Daegu, 41940, Republic of Korea.
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5
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Nadai M, Doria F, Frasson I, Perrone R, Pirota V, Bergamaschi G, Freccero M, Richter SN. Naphthalene Diimide-Tetraazacycloalkane Conjugates Are G-Quadruplex-Based HIV-1 Inhibitors with a Dual Mode of Action. ACS Infect Dis 2024; 10:489-499. [PMID: 38175706 PMCID: PMC10862543 DOI: 10.1021/acsinfecdis.3c00453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 12/06/2023] [Accepted: 12/15/2023] [Indexed: 01/05/2024]
Abstract
Human immunodeficiency virus 1 (HIV-1) therapeutic regimens consist of three or more drugs targeting different steps of the viral life cycle to limit the emergence of viral resistance. In line with the multitargeting strategy, here we conjugated a naphthalene diimide (NDI) moiety with a tetraazacycloalkane to obtain novel naphthalene diimide (NDI)-tetraazacycloalkane conjugates. The NDI inhibits the HIV-1 promoter activity by binding to LTR G-quadruplexes, and the tetraazacycloalkane mimics AMD3100, which blocks HIV entry into cells by interfering with the CXCR4 coreceptor. We synthesized, purified, and tested the metal-free NDI-tetraazacycloalkane conjugate and the two derived metal-organic complexes (MOCs) that incorporate Cu2+ and Zn2+. The NDI-MOCs showed enhanced binding to LTR G4s as assessed by FRET and CD assays in vitro. They also showed enhanced activity in cells where they dose-dependently reduced LTR promoter activity and inhibited viral entry only of the HIV-1 strain that exploited the CXCR4 coreceptor. The time of addition assay confirmed the dual targeting at the different HIV-1 steps. Our results indicate that the NDI-MOC conjugates can simultaneously inhibit viral entry, by targeting the CXCR4 coreceptor, and LTR promoter activity, by stabilizing the LTR G-quadruplexes. The approach of combining multiple targets in a single compound may streamline treatment regimens and improve the overall patient outcomes.
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Affiliation(s)
- Matteo Nadai
- Department
of Molecular Medicine, University of Padua, Via Gabelli 63, 35121 Padua, Italy
| | - Filippo Doria
- Department
of Chemistry, University of Pavia, V.le Taramelli 10, 27100 Pavia, Italy
| | - Ilaria Frasson
- Department
of Molecular Medicine, University of Padua, Via Gabelli 63, 35121 Padua, Italy
| | - Rosalba Perrone
- Buck
Institute for Research on Aging, Novato, California 94945, United States
| | - Valentina Pirota
- Department
of Chemistry, University of Pavia, V.le Taramelli 10, 27100 Pavia, Italy
| | - Greta Bergamaschi
- National
Research Council of Italy, Istituto di Scienze e Tecnologie Chimiche
“Giulio Natta” (SCITEC–CNR), Via Mario Bianco 9, 20131 Milano, Italy
| | - Mauro Freccero
- Department
of Chemistry, University of Pavia, V.le Taramelli 10, 27100 Pavia, Italy
| | - Sara N. Richter
- Department
of Molecular Medicine, University of Padua, Via Gabelli 63, 35121 Padua, Italy
- Microbiology
and Virology Unit, Padua University Hospital, 35121 Padua, Italy
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6
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De Clercq E. Selected Milestones in Antiviral Drug Development. Viruses 2024; 16:169. [PMID: 38399945 PMCID: PMC10891914 DOI: 10.3390/v16020169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 01/16/2024] [Accepted: 01/16/2024] [Indexed: 02/25/2024] Open
Abstract
This review article will describe the (wide) variety of approaches that I envisaged to develop a specific therapy for viral infections: (i) interferon and its inducers, (ii) HSV, VZV and CMV inhibitors, (iii) NRTIs (nucleoside reverse transcriptase inhibitors), NtRTIs (nucleotide reverse transcriptase inhibitors) and NNRTIs (non-nucleoside reverse transcriptase inhibitors) as HIV inhibitors, (iv) NtRTIs as HBV inhibitors, and finally, (v) the transition of an HIV inhibitor to a stem cell mobilizer, as exemplified by AMD-3100 (Mozobil®).
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Affiliation(s)
- Erik De Clercq
- Rega Institute for Medical Research, KU Leuven, Herestraat 49, B-3000 Leuven, Belgium
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7
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Balint MT, Lemajić N, Jurišić V, Pantelić S, Stanisavljević D, Kurtović NK, Balint B. An evidence-based and risk-adapted GSF versus GSF plus plerixafor mobilization strategy to obtain a sufficient CD34 + cell yield in the harvest for autologous stem cell transplants. Transl Oncol 2024; 39:101811. [PMID: 38235620 PMCID: PMC10728698 DOI: 10.1016/j.tranon.2023.101811] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 10/16/2023] [Indexed: 01/19/2024] Open
Abstract
BACKGROUND Plerixafor is a bicyclam molecule with the ability to reversibly bind to receptor CXCR-4 thus leading to an increased release of stem cells (SC) into the circulation. This study aims to evaluate the efficacy of G-CSF plus plerixafor versus G-CSF alone mobilizing regimens on the basis of CD34+ cell yield and engraftment kinetics following hematopoietic SC transplants. METHODS The study incorporated 173 patients with plasma cell neoplasms (PCN), Hodgkin's lymphoma (HL) and non-Hodgkin's lymphoma (NHL), undergoing mobilization and following autologous SC-transplant. For patients with mobilization failure and those predicted to be at risk of harvesting inadequate CD34+ yields (poor-responders), plerixafor was administered. Data was collected and compared in relation to the harvesting protocols used, cell quantification, cell-engraftment potential and overall clinical outcome. RESULTS A total of 101 patients received plerixafor (58.4 %) and the median CD34+increase was 312 %. Chemotherapy-mobilized PCN-patients required less plerixafor administration (p = 0.01), no difference was observed in lymphoma groups (p = 0.46). The median CD34+cell yield was 7.8 × 106/kg bm. Patients requiring plerixafor achieved lower, but still comparable cell yields. Total cell dose infused was in correlation with engraftment kinetics. Patients requiring plerixafor had delayed platelet engraftment (p = 0.029). CONCLUSIONS Adequately selected plerixafor administration reduces "mobilization-related-failure" rate and assure a high-level cell dose for SC transplants, with superior "therapeutic-potential" and safety profile. The mobilization strategy that incorporates "just-in-time" plerixafor administration, also leads to a reduction of hospitalization days and healthcare resource utilization. For definitive conclusions, further controlled/larger clinical trials concerning correlation of CD34+ cell count/yield, with hematopoietic reconstitution are required.
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Affiliation(s)
- Milena Todorović Balint
- Clinic for Hematology, University Clinical Center of Serbia, Belgrade, Serbia; Medical Faculty, University of Belgrade, Serbia.
| | | | | | - Sofija Pantelić
- Institute for Oncology and Radiology of Serbia, Belgrade, Serbia
| | - Dejana Stanisavljević
- Medical Faculty, University of Belgrade, Serbia; Institute for Medical Statistics and Informatics, Belgrade, Serbia
| | | | - Bela Balint
- Department of Medical Sciences, Serbian Academy of Sciences and Arts, Serbia; Faculty of Medicine of the Military Medical Academy, University of Defense, Belgrade, Serbia
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Yu D, Xiang Y, Gou T, Tong R, Xu C, Chen L, Zhong L, Shi J. New therapeutic approaches against pulmonary fibrosis. Bioorg Chem 2023; 138:106592. [PMID: 37178650 DOI: 10.1016/j.bioorg.2023.106592] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 04/27/2023] [Accepted: 05/02/2023] [Indexed: 05/15/2023]
Abstract
Pulmonary fibrosis is the end-stage change of a large class of lung diseases characterized by the proliferation of fibroblasts and the accumulation of a large amount of extracellular matrix, accompanied by inflammatory damage and tissue structure destruction, which also shows the normal alveolar tissue is damaged and then abnormally repaired resulting in structural abnormalities (scarring). Pulmonary fibrosis has a serious impact on the respiratory function of the human body, and the clinical manifestation is progressive dyspnea. The incidence of pulmonary fibrosis-related diseases is increasing year by year, and no curative drugs have appeared so far. Nevertheless, research on pulmonary fibrosis have also increased in recent years, but there are no breakthrough results. Pathological changes of pulmonary fibrosis appear in the lungs of patients with coronavirus disease 2019 (COVID-19) that have not yet ended, and whether to improve the condition of patients with COVID-19 by means of the anti-fibrosis therapy, which are the questions we need to address now. This review systematically sheds light on the current state of research on fibrosis from multiple perspectives, hoping to provide some references for design and optimization of subsequent drugs and the selection of anti-fibrosis treatment plans and strategies.
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Affiliation(s)
- Dongke Yu
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China; Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China
| | - Yu Xiang
- College of Medicine, University of Electronic Science and Technology, Chengdu 610072, China
| | - Tingting Gou
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacology, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Rongsheng Tong
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China; Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China
| | - Chuan Xu
- Department of Oncology, Sichuan Academy of Medical Sciences, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan 610072, China
| | - Lu Chen
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China; Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China.
| | - Ling Zhong
- Sichuan Provincial Key Laboratory for Human Disease Gene Study, Center for Medical Genetics, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, University of Electronic Science and Technology, Chengdu 610072, China.
| | - Jianyou Shi
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China; Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China.
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9
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Pawlik K, Mika J. Targeting Members of the Chemokine Family as a Novel Approach to Treating Neuropathic Pain. Molecules 2023; 28:5766. [PMID: 37570736 PMCID: PMC10421203 DOI: 10.3390/molecules28155766] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 07/19/2023] [Accepted: 07/27/2023] [Indexed: 08/13/2023] Open
Abstract
Neuropathic pain is a debilitating condition that affects millions of people worldwide. Numerous studies indicate that this type of pain is a chronic condition with a complex mechanism that tends to worsen over time, leading to a significant deterioration in patients' quality of life and issues like depression, disability, and disturbed sleep. Presently used analgesics are not effective enough in neuropathy treatment and may cause many side effects due to the high doses needed. In recent years, many researchers have pointed to the important role of chemokines not only in the development and maintenance of neuropathy but also in the effectiveness of analgesic drugs. Currently, approximately 50 chemokines are known to act through 20 different seven-transmembrane G-protein-coupled receptors located on the surface of neuronal, glial, and immune cells. Data from recent years clearly indicate that more chemokines than initially thought (CCL1/2/3/5/7/8/9/11, CXCL3/9/10/12/13/14/17; XCL1, CX3CL1) have pronociceptive properties; therefore, blocking their action by using neutralizing antibodies, inhibiting their synthesis, or blocking their receptors brings neuropathic pain relief. Several of them (CCL1/2/3/7/9/XCL1) have been shown to be able to reduce opioid drug effectiveness in neuropathy, and neutralizing antibodies against them can restore morphine and/or buprenorphine analgesia. The latest research provides irrefutable evidence that chemokine receptors are promising targets for pharmacotherapy; chemokine receptor antagonists can relieve pain of different etiologies, and most of them are able to enhance opioid analgesia, for example, the blockade of CCR1 (J113863), CCR2 (RS504393), CCR3 (SB328437), CCR4 (C021), CCR5 (maraviroc/AZD5672/TAK-220), CXCR2 (NVPCXCR220/SB225002), CXCR3 (NBI-74330/AMG487), CXCR4 (AMD3100/AMD3465), and XCR1 (vMIP-II). Recent research has shown that multitarget antagonists of chemokine receptors, such as CCR2/5 (cenicriviroc), CXCR1/2 (reparixin), and CCR2/CCR5/CCR8 (RAP-103), are also very effective painkillers. A multidirectional strategy based on the modulation of neuronal-glial-immune interactions by changing the activity of the chemokine family can significantly improve the quality of life of patients suffering from neuropathic pain. However, members of the chemokine family are still underestimated pharmacological targets for pain treatment. In this article, we review the literature and provide new insights into the role of chemokines and their receptors in neuropathic pain.
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Affiliation(s)
| | - Joanna Mika
- Department of Pain Pharmacology, Maj Institute of Pharmacology Polish Academy of Sciences, 12 Smetna Str., 31-343 Cracow, Poland;
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Feng X, Sun R, Lee M, Chen X, Guo S, Geng H, Müschen M, Choi J, Pereira JP. Cell circuits between leukemic cells and mesenchymal stem cells block lymphopoiesis by activating lymphotoxin beta receptor signaling. eLife 2023; 12:e83533. [PMID: 36912771 PMCID: PMC10042536 DOI: 10.7554/elife.83533] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Accepted: 03/10/2023] [Indexed: 03/14/2023] Open
Abstract
Acute lymphoblastic and myeloblastic leukemias (ALL and AML) have been known to modify the bone marrow microenvironment and disrupt non-malignant hematopoiesis. However, the molecular mechanisms driving these alterations remain poorly defined. Using mouse models of ALL and AML, here we show that leukemic cells turn off lymphopoiesis and erythropoiesis shortly after colonizing the bone marrow. ALL and AML cells express lymphotoxin α1β2 and activate lymphotoxin beta receptor (LTβR) signaling in mesenchymal stem cells (MSCs), which turns off IL7 production and prevents non-malignant lymphopoiesis. We show that the DNA damage response pathway and CXCR4 signaling promote lymphotoxin α1β2 expression in leukemic cells. Genetic or pharmacological disruption of LTβR signaling in MSCs restores lymphopoiesis but not erythropoiesis, reduces leukemic cell growth, and significantly extends the survival of transplant recipients. Similarly, CXCR4 blocking also prevents leukemia-induced IL7 downregulation and inhibits leukemia growth. These studies demonstrate that acute leukemias exploit physiological mechanisms governing hematopoietic output as a strategy for gaining competitive advantage.
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Affiliation(s)
- Xing Feng
- Department of Immunobiology and Yale Stem Cell Center, Yale University School of MedicineNew HavenUnited States
| | - Ruifeng Sun
- Department of Immunobiology and Yale Stem Cell Center, Yale University School of MedicineNew HavenUnited States
- Center of Molecular and Cellular Oncology and Department of Immunobiology, Yale UniversityNew HavenUnited States
| | - Moonyoung Lee
- Department of Biomedical Sciences, Korea University College of MedicineSeoulRepublic of Korea
| | - Xinyue Chen
- Department of Cell Biology and Yale Stem Cell Center, Yale UniversityNew HavenUnited States
| | - Shangqin Guo
- Department of Cell Biology and Yale Stem Cell Center, Yale UniversityNew HavenUnited States
| | - Huimin Geng
- Department of Laboratory Medicine, University of California, San FranciscoSan FranciscoUnited States
| | - Marcus Müschen
- Department of Immunobiology and Yale Stem Cell Center, Yale University School of MedicineNew HavenUnited States
- Center of Molecular and Cellular Oncology and Department of Immunobiology, Yale UniversityNew HavenUnited States
| | - Jungmin Choi
- Department of Biomedical Sciences, Korea University College of MedicineSeoulRepublic of Korea
- Department of Genetics, School of Medicine, Yale UniversityNew HavenUnited States
| | - Joao Pedro Pereira
- Department of Immunobiology and Yale Stem Cell Center, Yale University School of MedicineNew HavenUnited States
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Cai J, Li Y, Hu P, Xu R, Yuan H, Zhang W, Feng T, Liu R, Li W, Zhu C. Plerixafor and resatorvid inhibit hepatitis B virus in vitro by upregulating elongation factor Tu GTP-binding domain containing 2. Front Cell Infect Microbiol 2023; 13:1118801. [PMID: 36891156 PMCID: PMC9986551 DOI: 10.3389/fcimb.2023.1118801] [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: 12/08/2022] [Accepted: 02/06/2023] [Indexed: 02/22/2023] Open
Abstract
Background An increase in the demand for a functional cure has accelerated research on new methods of therapy for chronic hepatitis B, which is mainly focused on restoring antiviral immunity for controlling viral infections. Previously, we had described elongation factor Tu GTP-binding domain containing 2 (EFTUD2) as an innate immune regulator and suggested that it might be an antiviral target. Methods In this study, we generated the Epro-LUC-HepG2 cell model for screening compounds that target EFTUD2. Plerixafor and resatorvid were screened from 261 immunity and inflammation-related compounds due to their ability to highly upregulate EFTUD2. The effects of plerixafor and resatorvid on hepatitis B virus (HBV) were examined in HepAD38 cells and HBV-infected HepG2-NTCP cells. Results The dual-luciferase reporter assays showed that the EFTUD2 promoter hEFTUD2pro-0.5 kb had the strongest activity. In Epro-LUC-HepG2 cells, plerixafor and resatorvid significantly upregulated the activity of the EFTUD2 promoter and the expression of the gene and protein. In HepAD38 cells and HBV-infected HepG2-NTCP cells, treatment with plerixafor and resatorvid strongly inhibited HBsAg, HBV DNA, HBV RNAs, and cccDNA in a dose-dependent manner. Furthermore, the anti-HBV effect was enhanced when entecavir was administered along with either of the previous two compounds, and the effect could be blocked by knocking down EFTUD2. Conclusion We established a convenient model for screening compounds that target EFTUD2 and further identified plerixafor and resatorvid as novel HBV inhibitors in vitro. Our findings provided information on the development of a new class of anti-HBV agents that act on host factors rather than viral enzymes.
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Affiliation(s)
- Jinyuan Cai
- 1Department of Infectious Disease, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Department of Infectious Disease, Zhongda Hospital, Southeast University, Nanjing, China
| | - Yuwen Li
- Department of Pediatrics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Pingping Hu
- Department of Infectious Disease, Zhongda Hospital, Southeast University, Nanjing, China
| | - Ruirui Xu
- Department of Infectious Disease, Zhongda Hospital, Southeast University, Nanjing, China
| | - Hui Yuan
- Department of Infectious Disease, Zhongda Hospital, Southeast University, Nanjing, China
| | - Wen Zhang
- Department of Infectious Disease, Zhongda Hospital, Southeast University, Nanjing, China
| | - Tiantong Feng
- Department of Infectious Disease, Zhongda Hospital, Southeast University, Nanjing, China
| | - Rui Liu
- Department of Infectious and Tropical Diseases, The Second Affiliated Hospital of Hainan Medical University, Hainan, China
| | - Wenting Li
- Department of Infectious and Tropical Diseases, The Second Affiliated Hospital of Hainan Medical University, Hainan, China
| | - Chuanlong Zhu
- 1Department of Infectious Disease, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Department of Infectious and Tropical Diseases, The Second Affiliated Hospital of Hainan Medical University, Hainan, China
- *Correspondence: Chuanlong Zhu,
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Kim Y, Lee J, Lee C, Lawler S. Role of senescent tumor cells in building a cytokine shield in the tumor microenvironment: mathematical modeling. J Math Biol 2022; 86:14. [PMID: 36512100 DOI: 10.1007/s00285-022-01850-z] [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: 06/04/2022] [Revised: 10/29/2022] [Accepted: 12/01/2022] [Indexed: 12/15/2022]
Abstract
Cellular senescence can induce dual effects (promotion or inhibition) on cancer progression. While immune cells naturally respond and migrate toward various chemotactic sources from the tumor mass, various factors including senescent tumor cells (STCs) in the tumor microenvironment may affect this chemotactic movement. In this work, we investigate the mutual interactions between the tumor cells and the immune cells that either inhibit or facilitate tumor growth by developing a mathematical model that consists of taxis-reaction-diffusion equations and receptor kinetics for the key players in the interaction network. We apply a mathematical model to a transwell Boyden chamber invasion assay used in the experiments to illustrate that STCs can play a pivotal role in negating immune attack through tight regulation of intra- and extra-cellular signaling molecules. In particular, we show that senescent tumor cells in cell cycle arrest can block intratumoral infiltration of CD8+ T cells by secreting a high level of CXCL12, which leads to significant reduction its receptors, CXCR4, on T cells, and thus impaired chemotaxis. The predictions of nonlinear responses to CXCL12 were in good agreement with experimental data. We tested several hypotheses on immune-tumor interactions under various biochemical conditions in the tumor microenvironment and developed new concepts for anti-tumor strategies targeting senescence induced immune impairment.
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Affiliation(s)
- Yangjin Kim
- Department of Mathematics, Konkuk University, Seoul, 05029, Republic of Korea.
| | - Junho Lee
- Department of Mathematics, Konkuk University, Seoul, 05029, Republic of Korea
| | - Chaeyoung Lee
- Department of Mathematics, Korea University, Seoul, Republic of Korea
| | - Sean Lawler
- Department of Pathology and Laboratory Medicine, Brown Cancer Center, Brown University, Providence, RI, USA
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Targeting CXCR4 and CD47 Receptors: An Overview of New and Old Molecules for a Biological Personalized Anticancer Therapy. Int J Mol Sci 2022; 23:ijms232012499. [PMID: 36293358 PMCID: PMC9604048 DOI: 10.3390/ijms232012499] [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: 09/02/2022] [Revised: 10/14/2022] [Accepted: 10/14/2022] [Indexed: 11/26/2022] Open
Abstract
Biological therapy, with its multifaceted applications, has revolutionized the treatment of tumors, mainly due to its ability to exclusively target cancer cells and reduce the adverse effects on normal tissues. This review focuses on the therapies targeting the CXCR4 and CD47 receptors. We surveyed the results of early clinical trials testing compounds classified as nonpeptides, small peptides, CXCR4 antagonists or specific antibodies whose activity reduces or completely blocks the intracellular signaling pathways and cell proliferation. We then examined antibodies and fusion proteins against CD47, the receptor that acts as a “do not eat me” signal to phagocytes escaping immune surveillance. Despite these molecules being tested in early clinical trials, some drawbacks are emerging that impair their use in practice. Finally, we examined the ImmunoGenic Surrender mechanism that involves crosstalk and co-internalization of CXCR4 and CD47 upon engagement of CXCR4 by ligands or other molecules. The favorable effect of such compounds is dual as CD47 surface reduction impact on the immune response adds to the block of CXCR4 proliferative potential. These results suggest that a combination of different therapeutic approaches has more beneficial effects on patients’ survival and may pave the way for new accomplishments in personalized anticancer therapy.
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CXCR4/CX43 Regulate Diabetic Neuropathic Pain via Intercellular Interactions between Activated Neurons and Dysfunctional Astrocytes during Late Phase of Diabetes in Rats and the Effects of Antioxidant N-Acetyl-L-Cysteine. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:8547563. [PMID: 35799894 PMCID: PMC9256426 DOI: 10.1155/2022/8547563] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Accepted: 06/15/2022] [Indexed: 12/12/2022]
Abstract
Growing evidence suggests that the interactions between astrocytes and neurons exert important functions in the central sensitization of the spinal cord dorsal horn in rodents with diabetes and neuropathic pain (DNP). However, it still remains unclear how signal transmission occurs in the spinal cord dorsal horn between astrocytes and neurons, especially in subjects with DNP. Chemokine CXC receptor 4 (CXCR4) plays critical roles in DNP, and connexin 43 (CX43), which is also primarily expressed by astrocytes, contributes to the development of neuropathy. We thus postulated that astrocytic and neuronal CXCR4 induces and produces inflammatory factors under persistent peripheral noxious stimulation in DNP, while intercellular CX43 can transmit inflammatory stimulation signals. The results showed that streptozotocin-induced type 1 diabetic rats developed heat hyperalgesia and mechanical allodynia. Diabetes led to persistent neuropathic pain. Diabetic rats developed peripheral sensitization at the early phase (2 weeks) and central sensitization at the late phase (5 weeks) after diabetes induction. Both CXCR4 and CX43, which are localized and coexpressed in neurons and astrocytes, were enhanced significantly in the dorsal horn of spinal cord in rats undergoing DNP during late phase of diabetes, and the CXCR4 antagonist AMD3100 reduced the expression of CX43. The nociceptive behavior was reversed, respectively, by AMD3100 at the early phase and by the antioxidant N-acetyl-L-cysteine (NAC) at the late phase. Furthermore, rats with DNP demonstrated downregulation of glial fibrillary acidic protein (GFAP) as well as upregulation of c-fos in the spinal cord dorsal horn at the late phase compared to the controls, and upregulation of GFAP and downregulation of c-fos were observed upon treatment with NAC. Given that GFAP and c-fos are, respectively, makers of astrocyte and neuronal activation, our findings suggest that CXCR4 as an inflammatory stimulation protein and CX43 as an intercellular signal transmission protein both may induce neurons excitability and astrocytes dysfunction in developing DNP.
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Kurnikova E, Trakhtman P, Balashov D, Garloeva J, Kumukova I, Khismatullina R, Pershin D, Shelikhova L, Novichkova G, Maschan A. Efficacy and safety of a reduced dose of plerixafor in combination with granulocyte colony-stimulating factor in healthy haploidentical stem cell donors. Vox Sang 2022; 117:853-861. [PMID: 35332550 DOI: 10.1111/vox.13266] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 01/14/2022] [Accepted: 02/23/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND AND OBJECTIVES Implementation of the technique of immunomagnetic selection requires the procurement of a large number of CD34+ cells from haploidentical donors within a single apheresis procedure. The release of stem cells with granulocyte colony-stimulating factor (G-CSF) alone is unsatisfactory in a number of donors, and plerixafor, a CXCR4 chemokine receptor antagonist, could be used as an additional mobilization agent. The aim of our study was to examine whether a lower dose of plerixafor (0.12 mg/kg) can provide sufficient increase in CD34+ cells in the peripheral blood of allogeneic healthy donors in comparison with a historical control group. In addition, we assessed the risk of inability to provide the recipient with a transplant containing the optimal dose of 8-10 × 106 CD34+ cells/kg body weight of the recipient. MATERIALS AND METHODS In a prospective, single-arm study, we examined the results of 105 mobilizations in healthy adult haploidentical donors with G-CSF and plerixafor at a dose of 0.12 mg/kg. The historical control group consisted of 106 mobilizations with G-CSF and plerixafor at 0.24 mg/kg. RESULTS The median increase in the number of CD34+ cells from day 4 to day 5 of mobilization was 69 cells/μl (range, 28-240) versus 77 cells/μl (24-217) in the groups of 0.12 and 0.24 mg/kg of plerixafor, respectively (p-value 0.255). The apheresis products contained a median of 14.4 × 106 /kg recipient body weight CD34+ cells versus 12.9 × 106 /kg in the groups that received 0.12 and 0.24 mg/kg of plerixafor, respectively (p-value 0.118). The obtained differences were not significant, which means the application of a decreased dose of plerixafor did not affect the results of mobilization. CONCLUSION The obtained differences in collection were not significant, and thus the application of a decreased dose of plerixafor did not affect the results of mobilization.
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Affiliation(s)
- Elena Kurnikova
- Transfusion Medicine Service, Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Pavel Trakhtman
- Transfusion Medicine Service, Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Dmitry Balashov
- Department of Hematopoietic Stem Cell Transplantation, Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Juliya Garloeva
- Transfusion Medicine Service, Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Irina Kumukova
- Transfusion Medicine Service, Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Rimma Khismatullina
- Department of Hematopoietic Stem Cell Transplantation, Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Dmitriy Pershin
- Transplantation Immunology and Immunotherapy Laboratory, Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Larisa Shelikhova
- Department of Hematopoietic Stem Cell Transplantation, Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Galina Novichkova
- Department of Hematopoietic Stem Cell Transplantation, Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Alexey Maschan
- Department of Hematopoietic Stem Cell Transplantation, Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
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Sokkar P, Harms M, Stürzel C, Gilg A, Kizilsavas G, Raasholm M, Preising N, Wagner M, Kirchhoff F, Ständker L, Weidinger G, Mayer B, Münch J, Sanchez-Garcia E. Computational modeling and experimental validation of the EPI-X4/CXCR4 complex allows rational design of small peptide antagonists. Commun Biol 2021; 4:1113. [PMID: 34552197 PMCID: PMC8458281 DOI: 10.1038/s42003-021-02638-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 08/31/2021] [Indexed: 11/13/2022] Open
Abstract
EPI-X4, a 16-mer fragment of albumin, is a specific endogenous antagonist and inverse agonist of the CXC-motif-chemokine receptor 4 (CXCR4) and thus a key regulator of CXCR4 function. Accordingly, activity-optimized synthetic derivatives of EPI-X4 are promising leads for the therapy of CXCR4-linked disorders such as cancer or inflammatory diseases. We investigated the binding of EPI-X4 to CXCR4, which so far remained unclear, by means of biomolecular simulations combined with experimental mutagenesis and activity studies. We found that EPI-X4 interacts through its N-terminal residues with CXCR4 and identified its key interaction motifs, explaining receptor antagonization. Using this model, we developed shortened EPI-X4 derivatives (7-mers) with optimized receptor antagonizing properties as new leads for the development of CXCR4 inhibitors. Our work reveals the molecular details and mechanism by which the first endogenous peptide antagonist of CXCR4 interacts with its receptor and provides a foundation for the rational design of improved EPI-X4 derivatives.
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Affiliation(s)
- Pandian Sokkar
- Computational Biochemistry, Center of Medical Biotechnology, University of Duisburg-Essen, Essen, Germany
- Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, Tamil Nadu, 603103, India
| | - Mirja Harms
- Institute of Molecular Virology, Ulm University Medical Center, Ulm, Germany
| | - Christina Stürzel
- Institute of Molecular Virology, Ulm University Medical Center, Ulm, Germany
| | - Andrea Gilg
- Institute of Molecular Virology, Ulm University Medical Center, Ulm, Germany
| | | | - Martina Raasholm
- Institute of Biochemistry and Molecular Biology, Ulm University, Ulm, 89081, Germany
| | - Nico Preising
- Core Facility Functional Peptidomics, Ulm University Medical Center, Ulm, 89081, Germany
| | - Manfred Wagner
- Max Planck Institute for Polymer Research, Mainz, Germany
| | - Frank Kirchhoff
- Institute of Molecular Virology, Ulm University Medical Center, Ulm, Germany
| | - Ludger Ständker
- Core Facility Functional Peptidomics, Ulm University Medical Center, Ulm, 89081, Germany
| | - Gilbert Weidinger
- Institute of Biochemistry and Molecular Biology, Ulm University, Ulm, 89081, Germany
| | - Benjamin Mayer
- Institute for Epidemiology and Medical Biometry, Ulm University, Ulm, 89075, Germany
| | - Jan Münch
- Institute of Molecular Virology, Ulm University Medical Center, Ulm, Germany.
- Core Facility Functional Peptidomics, Ulm University Medical Center, Ulm, 89081, Germany.
| | - Elsa Sanchez-Garcia
- Computational Biochemistry, Center of Medical Biotechnology, University of Duisburg-Essen, Essen, Germany.
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Ashley RL, Runyan CL, Maestas MM, Trigo E, Silver G. Inhibition of the C-X-C Motif Chemokine 12 (CXCL12) and Its Receptor CXCR4 Reduces Utero-Placental Expression of the VEGF System and Increases Utero-Placental Autophagy. Front Vet Sci 2021; 8:650687. [PMID: 34485423 PMCID: PMC8415452 DOI: 10.3389/fvets.2021.650687] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 07/15/2021] [Indexed: 01/07/2023] Open
Abstract
The placenta, a unique organ that only develops during pregnancy, is essential for nutrient, oxygen, and waste exchange between offspring and mother. Yet, despite its importance, the placenta remains one of the least understood organs and knowledge of early placental formation is particularly limited. Abnormalities in placental development result in placental dysfunction or insufficiency whereby normal placental physiology is impaired. Placental dysfunction is a frequent source of pregnancy loss in livestock, inflicting serious economic impact to producers. Though the underlying causes of placental dysfunction are not well-characterized, initiation of disease is thought to occur during establishment of functional fetal and placental circulation. A comprehensive understanding of the mechanisms controlling placental growth and vascularization is necessary to improve reproductive success in livestock. We propose chemokine C-X-C motif ligand 12 (CXCL12) signaling through its receptor CXCR4 functions as a chief coordinator of vascularization through direct actions on fetal trophoblast and maternal endometrial and immune cells. To investigate CXCL12–CXCR4 signaling on uteroplacental vascular remodeling at the fetal–maternal interface, we utilized a CXCR4 antagonist (AMD3100). On day 12 post-breeding in sheep, osmotic pumps were surgically installed and delivered either AMD3100 or saline into the uterine lumen ipsilateral to the corpus luteum for 14 days. On day 35 of ovine pregnancy, fetal/placental and endometrial tissues were collected, snap-frozen in liquid nitrogen, and uterine horn cross sections were preserved for immunofluorescent analysis. Suppressing CXCL12–CXCR4 at the fetal–maternal interface during initial placental vascularization resulted in diminished abundance of select angiogenic factors in fetal and maternal placenta on day 35. Compared to control, less vascular endothelial growth factor (VEGF) and VEFG receptor 2 (KDR) were observed in endometrium when CXCL12–CXCR4 was diminished. Less VEGF was also evident in fetal placenta (cotyledons) in ewes receiving AMD3100 infusion compared to control. Suppressing CXCL12–CXCR4 at the fetal–maternal interface also resulted in greater autophagy induction in fetal and maternal placenta compared to control, suggestive of CXCL12–CXCR4 impacting cell survival. CXCL12–CXCR4 signaling may govern placental homeostasis by serving as a critical upstream mediator of vascularization and cell viability, thereby ensuring appropriate placental development.
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Affiliation(s)
- Ryan L Ashley
- Department of Animal and Range Sciences, New Mexico State University, Las Cruces, NM, United States
| | - Cheyenne L Runyan
- Department of Animal and Range Sciences, New Mexico State University, Las Cruces, NM, United States
| | - Marlie M Maestas
- Department of Animal and Range Sciences, New Mexico State University, Las Cruces, NM, United States
| | - Elisa Trigo
- Department of Animal and Range Sciences, New Mexico State University, Las Cruces, NM, United States
| | - Gail Silver
- Department of Animal and Range Sciences, New Mexico State University, Las Cruces, NM, United States
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Gul HG, Erkurt MA, Sarici A, Kuku I, Kaya E, Berber I, Merter M, Bicim S, Ozgul M. An innovation in stem cell harvesting: Heparin use. Transfus Apher Sci 2021; 60:103240. [PMID: 34404617 DOI: 10.1016/j.transci.2021.103240] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND AND OBJECTIVES Stem cell transplantation is a growing treatment strategy for most malignant and non- malignant hematological diseases. Plerixafor and granulocyte colony stimulating factor (G-CSF) are usually used in mobilization regimens to increase the CD34+ cell count in the harvest. Heparin is a sulphated glycosaminoglycated polymer with 12-15 kDa mass. Heparin inhibits the CXCR4/SDF1 axis, as does plerixafor. In this study, our aim was to investigate the effect of using heparin on stem cell mobilization and harvesting. MATERIALS AND METHODS We administered 5000 units of unfractioned heparin intravenously in 150 mL (mL) of isotonic sodium chloride solution, 15 min before the stem cell harvesting procedure to 141 patients who underwent bone marrow transplantation between the years of 2018 and 2019 at our Stem Cell Transplantation Unit. Thirty patients were included as a control group, and they were not given heparin. The study population included patients with multiple myeloma and lymphoma equally in each group. RESULTS In all patients hematopoeitic stem cells were successfully harvested in a single cycle of apheresis. In multiple myeloma patients who received heparin, the mean collected CD34+ cell number was 8 × 106/kg, and the mean CD34+ cell number yield was 12,555/μl. In the control group, the mean collected CD34+ cell number was 4,2 × 106/kg, and mean CD34+ cell number in yield was 492/μl. In lymphoma patients who received heparin, the mean collected CD34+ cell number was 6,8 × 106/kg, and the mean CD34+ cell number was 1421/μl. In the control group the mean collected CD34+ cell number was 4,3 × 106/kg, and the mean CD34+ cell number was 358/μl. The effect of heparin on the collected stem cell number in both myeloma and lymphoma patients was statistically significant (p < 0.01). CONCLUSIONS Our results have shown that heparin increases harvested stem cell numbers significantly. Heparin may be a promising agent for stem cell harvesting.
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Affiliation(s)
- Hacer Gozde Gul
- Inonu University, Deparment of Internal Medicine, Malatya, Turkey
| | - Mehmet Ali Erkurt
- Inonu University, Department of Hematology & Bone Marrow Transplantation Unit, Malatya, Turkey.
| | - Ahmet Sarici
- Inonu University, Department of Hematology & Bone Marrow Transplantation Unit, Malatya, Turkey
| | - Irfan Kuku
- Inonu University, Department of Hematology & Bone Marrow Transplantation Unit, Malatya, Turkey
| | - Emin Kaya
- Inonu University, Department of Hematology & Bone Marrow Transplantation Unit, Malatya, Turkey
| | - Ilhami Berber
- Inonu University, Department of Hematology & Bone Marrow Transplantation Unit, Malatya, Turkey
| | - Mustafa Merter
- Elazig University, Deparment of Hematology, Elazig, Turkey
| | - Soykan Bicim
- Inonu University, Department of Hematology & Bone Marrow Transplantation Unit, Malatya, Turkey
| | - Mustafa Ozgul
- Inonu University, Department of Hematology & Bone Marrow Transplantation Unit, Malatya, Turkey
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19
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Romon I, Castillo C, Cid J, Lozano M. Use of plerixafor to mobilize haematopoietic progenitor cells in healthy donors. Vox Sang 2021; 117:6-16. [PMID: 34159611 DOI: 10.1111/vox.13175] [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: 01/26/2021] [Revised: 04/09/2021] [Accepted: 04/29/2021] [Indexed: 11/29/2022]
Abstract
Increased transplant activity calls for improved stem cell collection, especially when peripheral blood is the preferred source of haematopoietic progenitor cells (HPCs). Plerixafor is a bicyclam molecule that mobilizes CD34+ cells by reversibly disrupting CXCR4-CXCL12-supported HPC retention. Plerixafor is given with granulocyte colony-stimulating factor (G-CSF) to help harvest autologous CD34+ cells for transplantation when mobilization with G-CSF fails. Mobilization protocols with the same doses of plerixafor and G-CSF have been used off-label in healthy allogeneic donors, with equal success and scarce side effects, both in adult and paediatric patients. Plerixafor has also been used as a sole mobilization agent. Plerixafor alone or coupled with G-CSF might lead to harvesting distinct cellular populations conferring improved engraftment properties and increased survival. Those characteristics might make plerixafor an especially attractive mobilization agent, particularly for non-related donations. However, available data are limited, and long-term follow-up is needed to clarify the best scenario for using plerixafor with or without G-CSF in healthy donors. In this review, we will summarize the evidence supporting this practice, highlighting the practical aspects and providing clues for an expanded use of plerixafor.
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Affiliation(s)
- Iñigo Romon
- Transfusion Service, Hematology and Hemotherapy Service, University Hospital Marqués de Valdecilla, IDIVAL, Santander, Spain
| | - Carlos Castillo
- Apheresis & Cellular Therapy Unit, Department of Hemotherapy and Hemostasis, ICMHO, Hospital Clínic, IDIBAPS, UB, Barcelona, Spain
| | - Joan Cid
- Apheresis & Cellular Therapy Unit, Department of Hemotherapy and Hemostasis, ICMHO, Hospital Clínic, IDIBAPS, UB, Barcelona, Spain
| | - Miquel Lozano
- Apheresis & Cellular Therapy Unit, Department of Hemotherapy and Hemostasis, ICMHO, Hospital Clínic, IDIBAPS, UB, Barcelona, Spain
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20
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Su L, Hu Z, Yang YG. Role of CXCR4 in the progression and therapy of acute leukaemia. Cell Prolif 2021; 54:e13076. [PMID: 34050566 PMCID: PMC8249790 DOI: 10.1111/cpr.13076] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/07/2021] [Accepted: 05/18/2021] [Indexed: 12/13/2022] Open
Abstract
CXCR4 is expressed on leukaemia cells and haematopoietic stem cells (HSCs), and its ligand stromal-derived factor 1 (SDF-1) is produced abundantly by stromal cells in the bone marrow (BM). The SDF-1/CXCR4 axis plays important roles in homing to and retention in the protective BM microenvironment of malignant leukaemia cells and normal HSCs. CXCR4 expression is regulated by multiple mechanisms and the level of CXCR4 expression on leukaemia cells has prognostic indications in patients with acute leukaemia. CXCR4 antagonists can mobilize leukaemia cells from BM to circulation, which render them effectively eradicated by chemotherapeutic agents, small molecular inhibitors or hypomethylating agents. Therefore, such combinational therapies have been tested in clinical trials. However, new evidence emerged that drug-resistant leukaemia cells were not affected by CXCR4 antagonists, and the migration of certain leukaemia cells to the leukaemia niche was independent of SDF-1/CXCR4 axis. In this review, we summarize the role of CXCR4 in progression and treatment of acute leukaemia, with a focus on the potential of CXCR4 as a therapeutic target for acute leukaemia. We also discuss the potential value of using CXCR4 antagonists as chemosensitizer for conditioning regimens and immunosensitizer for graft-vs-leukaemia effects of allogeneic haematopoietic stem cell transplantation.
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Affiliation(s)
- Long Su
- Key Laboratory of Organ Regeneration & Transplantation of the Ministry of Education, The First Hospital, Jilin University, Changchun, China.,National-Local Joint Engineering Laboratory of Animal Models for Human Diseases, Changchun, China.,International Center of Future Science, Jilin University, Changchun, China.,Department of Hematology, The First Hospital, Jilin University, Changchun, China
| | - Zheng Hu
- Key Laboratory of Organ Regeneration & Transplantation of the Ministry of Education, The First Hospital, Jilin University, Changchun, China.,National-Local Joint Engineering Laboratory of Animal Models for Human Diseases, Changchun, China
| | - Yong-Guang Yang
- Key Laboratory of Organ Regeneration & Transplantation of the Ministry of Education, The First Hospital, Jilin University, Changchun, China.,National-Local Joint Engineering Laboratory of Animal Models for Human Diseases, Changchun, China.,International Center of Future Science, Jilin University, Changchun, China
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21
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Jørgensen AS, Daugvilaite V, De Filippo K, Berg C, Mavri M, Benned-Jensen T, Juzenaite G, Hjortø G, Rankin S, Våbenø J, Rosenkilde MM. Biased action of the CXCR4-targeting drug plerixafor is essential for its superior hematopoietic stem cell mobilization. Commun Biol 2021; 4:569. [PMID: 33980979 PMCID: PMC8115334 DOI: 10.1038/s42003-021-02070-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Accepted: 03/31/2021] [Indexed: 01/14/2023] Open
Abstract
Following the FDA-approval of the hematopoietic stem cell (HSC) mobilizer plerixafor, orally available and potent CXCR4 antagonists were pursued. One such proposition was AMD11070, which was orally active and had superior antagonism in vitro; however, it did not appear as effective for HSC mobilization in vivo. Here we show that while AMD11070 acts as a full antagonist, plerixafor acts biased by stimulating β-arrestin recruitment while fully antagonizing G protein. Consequently, while AMD11070 prevents the constitutive receptor internalization, plerixafor allows it and thereby decreases receptor expression. These findings are confirmed by the successful transfer of both ligands' binding sites and action to the related CXCR3 receptor. In vivo, plerixafor exhibits superior HSC mobilization associated with a dramatic reversal of the CXCL12 gradient across the bone marrow endothelium, which is not seen for AMD11070. We propose that the biased action of plerixafor is central for its superior therapeutic effect in HSC mobilization.
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Affiliation(s)
- Astrid S Jørgensen
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, The Panum Institute, University of Copenhagen, Copenhagen, Denmark
| | - Viktorija Daugvilaite
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, The Panum Institute, University of Copenhagen, Copenhagen, Denmark
| | - Katia De Filippo
- Department of Medicine, National Heart and Lung Institute (NHLI), Imperial College, London, United Kingdom
| | - Christian Berg
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, The Panum Institute, University of Copenhagen, Copenhagen, Denmark
- Unit for Infectious Diseases, Department of Medicine, Herlev-Gentofte Hospital, University of Copenhagen, Herlev, Denmark
| | - Masa Mavri
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, The Panum Institute, University of Copenhagen, Copenhagen, Denmark
- Institute of Preclinical Sciences, Veterinary Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Tau Benned-Jensen
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, The Panum Institute, University of Copenhagen, Copenhagen, Denmark
- Lundbeck A/S, Copenhagen, Denmark
| | - Goda Juzenaite
- Department of Medicine, National Heart and Lung Institute (NHLI), Imperial College, London, United Kingdom
| | - Gertrud Hjortø
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, The Panum Institute, University of Copenhagen, Copenhagen, Denmark
| | - Sara Rankin
- Department of Medicine, National Heart and Lung Institute (NHLI), Imperial College, London, United Kingdom
| | - Jon Våbenø
- Helgeland Hospital Trust, Sandnessjøen, Norway.
| | - Mette M Rosenkilde
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, The Panum Institute, University of Copenhagen, Copenhagen, Denmark.
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22
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Gavriel Y, Rabinovich-Nikitin I, Ezra A, Barbiro B, Solomon B. Subcutaneous Administration of AMD3100 into Mice Models of Alzheimer's Disease Ameliorated Cognitive Impairment, Reduced Neuroinflammation, and Improved Pathophysiological Markers. J Alzheimers Dis 2021; 78:653-671. [PMID: 33016905 DOI: 10.3233/jad-200506] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND Alzheimer's disease (AD), the prevalent dementia in the elderly, involves many related and interdependent pathologies that manifest simultaneously, leading to cognitive impairment and death. Amyloid-β (Aβ) accumulation in the brain triggers the onset of AD, accompanied by neuroinflammatory response and pathological changes. The CXCR4/CXCL12 (SDF1) axis is one of the major signal transduction cascades involved in the inflammation process and regulation of homing of hematopoietic stem cells (HSCs) within the bone marrow niche. Inhibition of the axis with AMD3100, a reversible antagonist of CXCR4 mobilizes endogenous HSCs from the bone marrow into the periphery, facilitating the recruitment of bone marrow-derived microglia-like cells into the brain, attenuates the neuroinflammation process that involves release of excitotoxic markers such as TNFα, intracellular Ca2 +, and glutamate and upregulates monocarboxylate transporter 1, the major L-lactate transporter in the brain. OBJECTIVE Herein, we investigate if administration of a combination of AMD3100 and L-lactate may have beneficial effects in the treatment of AD. METHODS We tested the feasibility of the combined treatment for short- and long-term efficacy for inducing endogenous stem cells' mobilization and attenuation of neuroinflammation in two distinct amyloid-β-induced AD mouse models. RESULTS The combined treatment did not demonstrate any adverse effects on the mice, and resulted in a significant improvement in cognitive/memory functions, attenuated neuroinflammation, and alleviated AD pathologies compared to each treatment alone. CONCLUSION This study showed AMD3100's beneficial effect in ameliorating AD pathogenesis, suggesting an alternative to the multistep procedures of transplantation of stem cells in the treatment of AD.
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Affiliation(s)
- Yuval Gavriel
- The Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Inna Rabinovich-Nikitin
- The Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Assaf Ezra
- The Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Becki Barbiro
- The Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Beka Solomon
- The Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
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23
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Hong Z, Wei Z, Xie T, Fu L, Sun J, Zhou F, Jamal M, Zhang Q, Shao L. Targeting chemokines for acute lymphoblastic leukemia therapy. J Hematol Oncol 2021; 14:48. [PMID: 33743810 PMCID: PMC7981899 DOI: 10.1186/s13045-021-01060-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Accepted: 03/08/2021] [Indexed: 12/12/2022] Open
Abstract
Acute lymphoblastic leukemia (ALL) is a hematological malignancy characterized by the malignant clonal expansion of lymphoid hematopoietic precursors. It is regulated by various signaling molecules such as cytokines and adhesion molecules in its microenvironment. Chemokines are chemotactic cytokines that regulate migration, positioning and interactions of cells. Many chemokine axes such as CXCL12/CXCR4 and CCL25/CCR9 have been proved to play important roles in leukemia microenvironment and further affect ALL outcomes. In this review, we summarize the chemokines that are involved in ALL progression and elaborate on their roles and mechanisms in leukemia cell proliferation, infiltration, drug resistance and disease relapse. We also discuss the potential of targeting chemokine axes for ALL treatments, since many related inhibitors have shown promising efficacy in preclinical trials, and some of them have entered clinical trials.
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Affiliation(s)
- Zixi Hong
- Department of Hematology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Zimeng Wei
- Department of Immunology, School of Basic Medical Science, Wuhan University, Wuhan, China
| | - Tian Xie
- Department of Immunology, School of Basic Medical Science, Wuhan University, Wuhan, China
| | - Lin Fu
- The First Clinical School of Wuhan University, Wuhan, China
| | - Jiaxing Sun
- Department of Immunology, School of Basic Medical Science, Wuhan University, Wuhan, China
| | - Fuling Zhou
- Department of Hematology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Muhammad Jamal
- Department of Immunology, School of Basic Medical Science, Wuhan University, Wuhan, China
| | - Qiuping Zhang
- Department of Immunology, School of Basic Medical Science, Wuhan University, Wuhan, China.
| | - Liang Shao
- Department of Hematology, Zhongnan Hospital of Wuhan University, Wuhan, China.
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24
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Benet Z, Jing Z, Fooksman DR. Plasma cell dynamics in the bone marrow niche. Cell Rep 2021; 34:108733. [PMID: 33567286 PMCID: PMC8023250 DOI: 10.1016/j.celrep.2021.108733] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 12/08/2020] [Accepted: 01/19/2021] [Indexed: 12/12/2022] Open
Abstract
Using intravital imaging, we report that bone marrow (BM) plasma cells (PCs) are motile. BM PCs exhibit a unique migration pattern, characterized by intermittent periods of high motility and longer stretches of confined migration or arrest. BM PCs accumulate into clusters, which have reduced cell motility. APRIL promotes cluster formation and overall PC motility in the BM. Although CXCL12 and its receptor, CXCR4, promote PC motility in the BM, VLA4 activity promotes arrest. However, blocking either pathway promotes PC egress from the BM. Under steady-state conditions, BM PCs recirculate to other bones and spleen. In older mice, overall PC motility and recirculation increase, and this is correlated with increased CXCR4 expression, which depends on PC age or maturation rather than mouse age. Altogether, these results suggest that changes in PC motility and CXCR4 expression are linked with survival of long-lived PCs in the BM. Benet et al. report that bone marrow (BM) plasma cells (PCs) are motile and found in clusters organized by the survival factor APRIL. They identify CXCR4 and VLA4 as key factors regulating PC motility and retention in the BM. PCs recirculate to other bones. PC motility increases with age.
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Affiliation(s)
- Zachary Benet
- Department of Pathology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Zhixin Jing
- Department of Pathology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - David R Fooksman
- Department of Pathology, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
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25
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Bruxelle JF, Trattnig N, Mureithi MW, Landais E, Pantophlet R. HIV-1 Entry and Prospects for Protecting against Infection. Microorganisms 2021; 9:microorganisms9020228. [PMID: 33499233 PMCID: PMC7911371 DOI: 10.3390/microorganisms9020228] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/19/2021] [Accepted: 01/20/2021] [Indexed: 12/19/2022] Open
Abstract
Human Immunodeficiency Virus type-1 (HIV-1) establishes a latent viral reservoir soon after infection, which poses a major challenge for drug treatment and curative strategies. Many efforts are therefore focused on blocking infection. To this end, both viral and host factors relevant to the onset of infection need to be considered. Given that HIV-1 is most often transmitted mucosally, strategies designed to protect against infection need to be effective at mucosal portals of entry. These strategies need to contend also with cell-free and cell-associated transmitted/founder (T/F) virus forms; both can initiate and establish infection. This review will discuss how insight from the current model of HIV-1 mucosal transmission and cell entry has highlighted challenges in developing effective strategies to prevent infection. First, we examine key viral and host factors that play a role in transmission and infection. We then discuss preventive strategies based on antibody-mediated protection, with emphasis on targeting T/F viruses and mucosal immunity. Lastly, we review treatment strategies targeting viral entry, with focus on the most clinically advanced entry inhibitors.
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Affiliation(s)
- Jean-François Bruxelle
- Faculty of Health Sciences, Simon Fraser University, Burnaby, BC V5A 1S6, Canada
- Correspondence: (J.-F.B.); (R.P.)
| | - Nino Trattnig
- Chemical Biology and Drug Discovery, Utrecht University, 3584 CG Utrecht, The Netherlands;
| | - Marianne W. Mureithi
- KAVI—Institute of Clinical Research, College of Health Sciences, University of Nairobi, P.O. Box, Nairobi 19676–00202, Kenya;
| | - Elise Landais
- IAVI Neutralizing Antibody Center, La Jolla, CA 92037, USA;
- Department of Immunology and Microbiology, Scripps Research, La Jolla, CA 92037, USA
| | - Ralph Pantophlet
- Faculty of Health Sciences, Simon Fraser University, Burnaby, BC V5A 1S6, Canada
- Department of Molecular Biology and Biochemistry, Simon Fraser University, Burnaby, BC V5A 1S6, Canada
- Correspondence: (J.-F.B.); (R.P.)
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26
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Cid J, Monsalvo S, Castillo C, Pascual C, Moreno-Jiménez G, López-Parra M, Andón C, Guerra L, Esquirol A, Sánchez-Ortega I, Ortega S, Zalba S, Martínez C, Rovira M, Marín P, Lozano M. Addition of plerixafor to G-CSF in poor mobilizing healthy related donors overcame mobilization failure: An observational case series on behalf of the Grupo Español de Trasplante Hematopoyético (GETH). Transfus Apher Sci 2021; 60:103052. [PMID: 33483284 DOI: 10.1016/j.transci.2021.103052] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/07/2020] [Accepted: 01/06/2021] [Indexed: 12/23/2022]
Abstract
Plerixafor (Mozobil, Sanofi) is approved for using in patients with lymphoma and multiple myeloma when steady-state mobilization strategies fail. Although off-label use of plerixafor in healthy related donors (HRD) is known, limited data are available and no recommendations exist to guide its use in this setting. With the aim of collecting data from HRDs who received plerixafor in our country, we designed an observational case series study within the Spanish Group of Hematopoietic Transplant and Cell Therapy (GETH). Plerixafor was administered subcutaneously to 30 HRDs at a median dose of 0.24 mg/Kg (interquartile range (IQR): 0.23-0.25) because mobilization failure after using mobilization with G-CSF (mobilization failure was defined as collection of <4.0 × 106 CD34+ cells/Kg recipient). All HRDs received G-CSF at a median dose of 11 μg/Kg/day (IQR: 10-12) for 4-5 days. Leukocytapheresis after G-CSF mobilization was performed in 23 (77 %) HRDs collecting a median of 1.6 × 106 CD34+ cells/Kg recipient weight (IQR: 0.9-2.5). Addition of plerixafor allowed the collection of a higher median number of CD34 cells (4.98 × 106 CD34+ cells/Kg recipient weight (IQR: 3.5-5.8)) when compared with the collection of CD34+ cells with G-CSF alone (p < 0.01). The final median total number of CD34+ cells collected was 6.1 × 106/Kg recipient weight (IQR: 4.8-7.3). Mild adverse events related with plerixafor administration were reported in 8 (27 %) donors. In conclusion, addition of plerixafor after G-CSF mobilization failure in HRDs allowed collecting higher number of CD34+ cells in comparison with steady-state mobilization.
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Affiliation(s)
- Joan Cid
- Apheresis & Cellular Therapy Unit, Department of Hemotherapy and Hemostasis, ICMHO, Hospital Clínic, IDIBAPS, UB, Barcelona, Spain.
| | | | - Carlos Castillo
- Apheresis & Cellular Therapy Unit, Department of Hemotherapy and Hemostasis, ICMHO, Hospital Clínic, IDIBAPS, UB, Barcelona, Spain
| | | | | | | | | | - Luisa Guerra
- Hospital Universitario de Gran Canaria Dr. Negrín, Las Palmas de Gran Canaria, Spain
| | | | | | | | - Saioa Zalba
- Complejo Hospitalario de Navarra, Pamplona, Spain
| | - Carmen Martínez
- BMT Unit, Department of Hematology, ICMHO, Hospital Clínic, IDIBAPS, UB, Josep Carreras Leukemia Research Foundation, Barcelona, Spain
| | - Montserrat Rovira
- BMT Unit, Department of Hematology, ICMHO, Hospital Clínic, IDIBAPS, UB, Josep Carreras Leukemia Research Foundation, Barcelona, Spain
| | - Pedro Marín
- BMT Unit, Department of Hematology, ICMHO, Hospital Clínic, IDIBAPS, UB, Josep Carreras Leukemia Research Foundation, Barcelona, Spain
| | - Miquel Lozano
- Apheresis & Cellular Therapy Unit, Department of Hemotherapy and Hemostasis, ICMHO, Hospital Clínic, IDIBAPS, UB, Barcelona, Spain
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27
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Fang X, Fang X, Mao Y, Ciechanover A, Xu Y, An J, Huang Z. A novel small molecule CXCR4 antagonist potently mobilizes hematopoietic stem cells in mice and monkeys. Stem Cell Res Ther 2021; 12:17. [PMID: 33413613 PMCID: PMC7791974 DOI: 10.1186/s13287-020-02073-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Accepted: 12/06/2020] [Indexed: 12/28/2022] Open
Abstract
Background Hematopoietic stem cell (HSC) transplantation is an effective treatment strategy for many types of diseases. Peripheral blood (PB) is the most commonly used source of bone marrow (BM)-derived stem cells for current HSC transplantation. However, PB usually contains very few HSCs under normal conditions, as these cells are normally retained within the BM. This retention depends on the interaction between the CXC chemokine receptor 4 (CXCR4) expressed on the HSCs and its natural chemokine ligand, stromal cell-derived factor (SDF)-1α (also named CXCL12) present in the BM stromal microenvironment. In clinical practice, blocking this interaction with a CXCR4 antagonist can induce the rapid mobilization of HSCs from the BM into the PB. Methods C3H/HEJ, DBA/2, CD45.1+, and CD45.2+ mice and monkeys were employed in colony-forming unit (CFU) assays, flow cytometry assays, and competitive/noncompetitive transplantation assays, to assess the short-term mobilization efficacy of HF51116 and the long-term repopulating (LTR) ability of HSCs. Kinetics of different blood cells and the concentration of HF51116 in PB were also explored by blood routine examinations and pharmacokinetic assays. Results In this paper, we report that a novel small molecule CXCR4 antagonist, HF51116, which was designed and synthesized by our laboratory, can rapidly and potently mobilize HSCs from BM to PB in mice and monkeys. HF51116 not only mobilized HSCs when used alone but also synergized with the mobilizing effects of granulocyte colony-stimulating factor (G-CSF) after co-administration. Following mobilization by HF51116 and G-CSF, the long-term repopulating (LTR) and self-renewing HSCs were sufficiently engrafted in primary and secondary lethally irradiated mice and were able to rescue and support long-term mouse survival. In monkeys, HF51116 exhibited strong HSC mobilization activity and quickly reached the highest in vivo blood drug concentration. Conclusions These results demonstrate that HF51116 is a new promising stem cell mobilizer which specifically targets CXCR4 and merits further preclinical and clinical studies.
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Affiliation(s)
- Xiao Fang
- School of Life Sciences, Tsinghua University, Beijing, China
| | - Xiong Fang
- School of Life Sciences, Tsinghua University, Beijing, China
| | - Yujia Mao
- School of Life Sciences, Tsinghua University, Beijing, China
| | - Aaron Ciechanover
- The Rapport Faculty of Medicine, Technion-Israel Institute of Technology, 3109601, Haifa, Israel.,Nobel Institute of Biomedicine, Zhuhai, 519080, China.,Ciechanover Institute of Precision and Regenerative Medicine, School of Life and Health Sciences, Chinese University of Hong Kong, Shenzhen, China
| | - Yan Xu
- School of Life Sciences, Tsinghua University, Beijing, China.,Nobel Institute of Biomedicine, Zhuhai, 519080, China.,Ciechanover Institute of Precision and Regenerative Medicine, School of Life and Health Sciences, Chinese University of Hong Kong, Shenzhen, China
| | - Jing An
- Division of Infectious Diseases and Global Public Health, Department of Medicine, School of Medicine, University of California at San Diego, La Jolla, CA, USA.
| | - Ziwei Huang
- School of Life Sciences, Tsinghua University, Beijing, China. .,Ciechanover Institute of Precision and Regenerative Medicine, School of Life and Health Sciences, Chinese University of Hong Kong, Shenzhen, China. .,Division of Infectious Diseases and Global Public Health, Department of Medicine, School of Medicine, University of California at San Diego, La Jolla, CA, USA.
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28
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McIntosh SZ, Maestas MM, Dobson JR, Quinn KE, Runyan CL, Ashley RL. CXCR4 signaling at the fetal-maternal interface may drive inflammation and syncytia formation during ovine pregnancy†. Biol Reprod 2020; 104:468-478. [PMID: 33141178 DOI: 10.1093/biolre/ioaa203] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 09/21/2020] [Accepted: 10/29/2020] [Indexed: 12/14/2022] Open
Abstract
Early pregnancy features complex signaling between fetal trophoblast cells and maternal endometrium directing major peri-implantation events including localized inflammation and remodeling to establish proper placental development. Proinflammatory mediators are important for conceptus attachment, but a more precise understanding of molecular pathways regulating this process is needed to understand how the endometrium becomes receptive to implantation. Both chemokine ligand 12 (CXCL12) and its receptor CXCR4 are expressed by fetal and maternal tissues. We identified this pair as a critical driver of placental angiogenesis, but their additional importance to inflammation and trophoblast cell survival, proliferation, and invasion imply a role in syncytia formation at the fetal-maternal microenvironment. We hypothesized that CXCL12 encourages both endometrial inflammation and conceptus attachment during implantation. We employed separate ovine studies to (1) characterize endometrial inflammation during early gestation in the ewe, and (2) establish functional implications of CXCL12 at the fetal-maternal interface through targeted intrauterine infusion of the CXCR4 inhibitor AMD3100. Endometrial tissues were evaluated for inflammatory mediators, intracellular signaling events, endometrial modifications, and trophoblast syncytialization using western blotting and immunohistochemistry. Endometrial tissue from ewes receiving CXCR4 inhibitor demonstrated dysregulated inflammation and reduced AKT and NFKB, paired with elevated autophagic activity compared to control. Immunohistochemical observation revealed an impairment in endometrial surface remodeling and diminished trophoblast syncytialization following localized CXCR4 inhibition. These data suggest CXCL12-CXCR4 regulates endometrial inflammation and remodeling for embryonic implantation, and provide insight regarding mechanisms that, when dysregulated, lead to pregnancy pathologies such as intrauterine growth restriction and preeclampsia.
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Affiliation(s)
- Stacia Z McIntosh
- Department of Animal and Range Sciences, New Mexico State University, Las Cruces, NM, USA
| | - Marlie M Maestas
- Department of Animal and Range Sciences, New Mexico State University, Las Cruces, NM, USA
| | - Jordyn R Dobson
- Department of Animal and Range Sciences, New Mexico State University, Las Cruces, NM, USA
| | - Kelsey E Quinn
- Department of Animal and Range Sciences, New Mexico State University, Las Cruces, NM, USA.,Department of Cell Biology and Physiology, University of North Carolina, Chapel Hill, NC, USA
| | - Cheyenne L Runyan
- Department of Animal and Range Sciences, New Mexico State University, Las Cruces, NM, USA.,Department of Animal Science & Veterinary Technology, Tarleton State University, Stephenville, TX, USA
| | - Ryan L Ashley
- Department of Animal and Range Sciences, New Mexico State University, Las Cruces, NM, USA
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29
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Soave M, Heukers R, Kellam B, Woolard J, Smit MJ, Briddon SJ, Hill SJ. Monitoring Allosteric Interactions with CXCR4 Using NanoBiT Conjugated Nanobodies. Cell Chem Biol 2020; 27:1250-1261.e5. [PMID: 32610042 PMCID: PMC7573392 DOI: 10.1016/j.chembiol.2020.06.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Revised: 06/01/2020] [Accepted: 06/12/2020] [Indexed: 01/01/2023]
Abstract
Camelid single-domain antibody fragments (nanobodies) offer the specificity of an antibody in a single 15-kDa immunoglobulin domain. Their small size allows for easy genetic manipulation of the nanobody sequence to incorporate protein tags, facilitating their use as biochemical probes. The nanobody VUN400, which recognizes the second extracellular loop of the human CXCR4 chemokine receptor, was used as a probe to monitor specific CXCR4 conformations. VUN400 was fused via its C terminus to the 11-amino-acid HiBiT tag (VUN400-HiBiT) which complements LgBiT protein, forming a full-length functional NanoLuc luciferase. Here, complemented luminescence was used to detect VUN400-HiBiT binding to CXCR4 receptors expressed in living HEK293 cells. VUN400-HiBiT binding to CXCR4 could be prevented by orthosteric and allosteric ligands, allowing VUN400-HiBiT to be used as a probe to detect allosteric interactions with CXCR4. These data demonstrate that the high specificity offered by extracellular targeted nanobodies can be utilized to probe receptor pharmacology.
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Affiliation(s)
- Mark Soave
- Division of Physiology, Pharmacology and Neuroscience, School of Life Sciences, University of Nottingham, Nottingham NG7 2UH, UK; Centre of Membrane Proteins and Receptors (COMPARE), University of Birmingham and University of Nottingham, The Midlands, UK
| | - Raimond Heukers
- Division of Medicinal Chemistry, Amsterdam Institute for Molecules, Medicines and Systems (AIMMS), VU University of Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, the Netherlands; QVQ Holding B.V., Yalelaan 1, 3584 CL Utrecht, the Netherlands
| | - Barrie Kellam
- Centre of Membrane Proteins and Receptors (COMPARE), University of Birmingham and University of Nottingham, The Midlands, UK; School of Pharmacy, Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, UK
| | - Jeanette Woolard
- Division of Physiology, Pharmacology and Neuroscience, School of Life Sciences, University of Nottingham, Nottingham NG7 2UH, UK; Centre of Membrane Proteins and Receptors (COMPARE), University of Birmingham and University of Nottingham, The Midlands, UK
| | - Martine J Smit
- Division of Medicinal Chemistry, Amsterdam Institute for Molecules, Medicines and Systems (AIMMS), VU University of Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, the Netherlands
| | - Stephen J Briddon
- Division of Physiology, Pharmacology and Neuroscience, School of Life Sciences, University of Nottingham, Nottingham NG7 2UH, UK; Centre of Membrane Proteins and Receptors (COMPARE), University of Birmingham and University of Nottingham, The Midlands, UK
| | - Stephen J Hill
- Division of Physiology, Pharmacology and Neuroscience, School of Life Sciences, University of Nottingham, Nottingham NG7 2UH, UK; Centre of Membrane Proteins and Receptors (COMPARE), University of Birmingham and University of Nottingham, The Midlands, UK.
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30
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Esposito A, Wang L, Li T, Miranda M, Spagnoli A. Role of Prx1-expressing skeletal cells and Prx1-expression in fracture repair. Bone 2020; 139:115521. [PMID: 32629173 PMCID: PMC7484205 DOI: 10.1016/j.bone.2020.115521] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 06/25/2020] [Accepted: 06/29/2020] [Indexed: 12/22/2022]
Abstract
The healing capacity of bones after fracture implies the existence of adult regenerative cells. However, information on identification and functional role of fracture-induced progenitors is still lacking. Paired-related homeobox 1 (Prx1) is expressed during skeletogenesis. We hypothesize that fracture recapitulates Prx1's expression, and Prx1 expressing cells are critical to induce repair. To address our hypothesis, we used a combination of in vivo and in vitro approaches, short and long-term cell tracking analyses of progenies and actively expressing cells, cell ablation studies, and rodent animal models for normal and defective fracture healing. We found that fracture elicits a periosteal and endosteal response of perivascular Prx1+ cells that participate in fracture healing and showed that Prx1-expressing cells have a functional role in the repair process. While Prx1-derived cells contribute to the callus, Prx1's expression decreases concurrently with differentiation into cartilaginous and bone cells, similarly to when Prx1+ cells are cultured in differentiating conditions. We determined that bone morphogenic protein 2 (BMP2), through C-X-C motif-ligand-12 (CXCL12) signaling, modulates the downregulation of Prx1. We demonstrated that fracture elicits an early increase in BMP2 expression, followed by a decrease in CXCL12 that in turn down-regulates Prx1, allowing cells to commit to osteochondrogenesis. In vivo and in vitro treatment with CXCR4 antagonist AMD3100 restored Prx1 expression by modulating the BMP2-CXCL12 axis. Our studies represent a shift in the current research that has primarily focused on the identification of markers for postnatal skeletal progenitors, and instead we characterized the function of a specific population (Prx1+ cells) and their expression marker (Prx1) as a crossroad in fracture repair. The identification of fracture-induced perivascular Prx1+ cells and regulation of Prx1's expression by BMP2 and in turn by CXCL12 in the orchestration of fracture repair, highlights a pathway in which to investigate defective mechanisms and therapeutic targets for fracture non-union.
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Affiliation(s)
- Alessandra Esposito
- Department of Orthopaedic Surgery, Section of Molecular Medicine, Rush University Medical Center, Chicago, IL, USA
| | - Lai Wang
- Department of Internal Medicine, Division of Rheumatology, Rush University Medical Center, Chicago, IL, USA
| | - Tieshi Li
- Department of Pediatrics, University of Nebraska Medical Center, Children's Hospital & Medical Center, Omaha, NE, USA
| | - Mariana Miranda
- Department of Orthopaedic Surgery, Section of Molecular Medicine, Rush University Medical Center, Chicago, IL, USA
| | - Anna Spagnoli
- Department of Orthopaedic Surgery, Section of Molecular Medicine, Rush University Medical Center, Chicago, IL, USA; Department of Pediatrics, Division of Pediatric Endocrinology, Rush University Medical Center, Chicago, IL, USA.
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31
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Wang J, Tannous BA, Poznansky MC, Chen H. CXCR4 antagonist AMD3100 (plerixafor): From an impurity to a therapeutic agent. Pharmacol Res 2020; 159:105010. [PMID: 32544428 DOI: 10.1016/j.phrs.2020.105010] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 05/22/2020] [Accepted: 06/07/2020] [Indexed: 02/07/2023]
Abstract
AMD3100 (plerixafor), a CXCR4 antagonist, has opened a variety of avenues for potential therapeutic approaches in different refractory diseases. The CXCL12/CXCR4 axis and its signaling pathways are involved in diverse disorders including HIV-1 infection, tumor development, non-Hodgkin lymphoma, multiple myeloma, WHIM Syndrome, and so on. The mechanisms of action of AMD3100 may relate to mobilizing hematopoietic stem cells, blocking infection of X4 HIV-1, increasing circulating neutrophils, lymphocytes and monocytes, reducing myeloid-derived suppressor cells, and enhancing cytotoxic T-cell infiltration in tumors. Here, we first revisit the pharmacological discovery of AMD3100. We then review monotherapy of AMD3100 and combination use of AMD3100 with other agents in various diseases. Among those, we highlight the perspective of AMD3100 as an immunomodulator to regulate immune responses particularly in the tumor microenvironment and synergize with other therapeutics. All the pre-clinical studies support the clinical testing of the monotherapy and combination therapies with AMD3100 and further development for use in humans.
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Affiliation(s)
- Jingzhe Wang
- Jiangsu Key Laboratory of Clinical Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, 212013, China
| | - Bakhos A Tannous
- Experimental Therapeutics and Molecular Imaging Laboratory, Department of Neurology, Massachusetts General Hospital, Boston, MA, 02114, USA; Harvard Medical School, Boston, MA, 02115, USA
| | - Mark C Poznansky
- Vaccine and Immunotherapy Center, Department of Medicine, Massachusetts General Hospital, Boston, MA, 02114, USA; Harvard Medical School, Boston, MA, 02115, USA
| | - Huabiao Chen
- Experimental Therapeutics and Molecular Imaging Laboratory, Department of Neurology, Massachusetts General Hospital, Boston, MA, 02114, USA; Vaccine and Immunotherapy Center, Department of Medicine, Massachusetts General Hospital, Boston, MA, 02114, USA; Harvard Medical School, Boston, MA, 02115, USA.
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32
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Discovery of novel aminopiperidinyl amide CXCR4 modulators through virtual screening and rational drug design. Eur J Med Chem 2020; 201:112479. [PMID: 32534343 DOI: 10.1016/j.ejmech.2020.112479] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 05/08/2020] [Accepted: 05/16/2020] [Indexed: 12/29/2022]
Abstract
The C-X-C chemokine receptor type 4 (CXCR4) is a potential therapeutic target for HIV infection, metastatic cancer, and inflammatory autoimmune diseases. In this study, we screened the ZINC chemical database for novel CXCR4 modulators through a series of in silico guided processes. After evaluating the screened compounds for their binding affinities to CXCR4 and inhibitory activities against the chemoattractant CXCL12, we identified a hit compound (ZINC 72372983) showing 100 nM affinity and 69% chemotaxis inhibition at the same concentration (100 nM). To increase the potency of our hit compound, we explored the protein-ligand interactions at an atomic level using molecular dynamics simulation which enabled us to design and synthesize a novel compound (Z7R) with nanomolar affinity (IC50 = 1.25 nM) and improved chemotaxis inhibition (78.5%). Z7R displays promising anti-inflammatory activity (50%) in a mouse edema model by blocking CXCR4-expressed leukocytes, being supported by our immunohistochemistry study.
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Pillay J, Tregay N, Juzenaite G, Carlin LM, Pirillo C, Gaboriau DCA, Farahi N, Summers C, Lo Celso C, Chilvers ER, Rankin S, De Filippo K. Effect of the CXCR4 antagonist plerixafor on endogenous neutrophil dynamics in the bone marrow, lung and spleen. J Leukoc Biol 2020; 107:1175-1185. [PMID: 32374077 DOI: 10.1002/jlb.1ma0420-571rr] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 04/03/2020] [Accepted: 04/13/2020] [Indexed: 11/05/2022] Open
Abstract
Treatment with the CXCR4 antagonist, plerixafor (AMD3100), has been proposed for clinical use in patients with WHIM (warts, hypogammaglobulinemia, infections, and myelokathexis) syndrome and in pulmonary fibrosis. However, there is controversy with respect to the impact of plerixafor on neutrophil dynamics in the lung, which may affect its safety profile. In this study, we investigated the kinetics of endogenous neutrophils by direct imaging, using confocal intravital microscopy in mouse bone marrow, spleen, and lungs. Neutrophils are observed increasing their velocity and exiting the bone marrow following plerixafor administration, with a concomitant increase in neutrophil numbers in the blood and spleen, while the marginated pool of neutrophils in the lung microvasculature remained unchanged in terms of numbers and cell velocity. Use of autologous radiolabeled neutrophils and SPECT/CT imaging in healthy volunteers showed that plerixafor did not affect GM-CSF-primed neutrophil entrapment or release in the lungs. Taken together, these data suggest that plerixafor causes neutrophil mobilization from the bone marrow but does not impact on lung marginated neutrophil dynamics and thus is unlikely to compromise respiratory host defense both in humans and mice.
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Affiliation(s)
- Janesh Pillay
- Department of Medicine, University of Cambridge School of Clinical Medicine, Cambridge, UK
- Department of Intensive Care Medicine, University Medical Center, Groningen, The Netherlands
- Dept of Intensive Care Medicine, University Medical Center, The Netherlands, Groningen
| | - Nicola Tregay
- Department of Medicine, University of Cambridge School of Clinical Medicine, Cambridge, UK
| | - Goda Juzenaite
- Department of Medicine, National Heart and Lung Institute (NHLI), Imperial College, London, UK
| | - Leo M Carlin
- Cancer Research UK Beatson Institute, Glasgow and Institute of Cancer Sciences, University of Glasgow, Glasgow, UK
| | - Chiara Pirillo
- Department of Life Science, Imperial College, London, UK
| | - David C A Gaboriau
- Facility for Imaging by Light Microscopy (FILM), NHLI, Imperial College, London, UK
| | - Neda Farahi
- Department of Medicine, University of Cambridge School of Clinical Medicine, Cambridge, UK
| | - Charlotte Summers
- Department of Medicine, University of Cambridge School of Clinical Medicine, Cambridge, UK
| | | | - Edwin R Chilvers
- Department of Medicine, University of Cambridge School of Clinical Medicine, Cambridge, UK
- Department of Medicine, National Heart and Lung Institute (NHLI), Imperial College, London, UK
| | - Sara Rankin
- Department of Medicine, National Heart and Lung Institute (NHLI), Imperial College, London, UK
| | - Katia De Filippo
- Department of Medicine, National Heart and Lung Institute (NHLI), Imperial College, London, UK
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34
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Ladikou EE, Chevassut T, Pepper CJ, Pepper AG. Dissecting the role of the CXCL12/CXCR4 axis in acute myeloid leukaemia. Br J Haematol 2020; 189:815-825. [PMID: 32135579 DOI: 10.1111/bjh.16456] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Accepted: 12/03/2019] [Indexed: 02/06/2023]
Abstract
Acute myeloid leukaemia (AML) is the most common adult acute leukaemia with the lowest survival rate. It is characterised by a build-up of immature myeloid cells anchored in the protective niche of the bone marrow (BM) microenvironment. The CXCL12/CXCR4 axis is central to the pathogenesis of AML as it has fundamental control over AML cell adhesion into the protective BM niche, adaptation to the hypoxic environment, cellular migration and survival. High levels of CXCR4 expression are associated with poor relapse-free and overall survival. The CXCR4 ligand, CXCL12 (SDF-1), is expressed by multiple cells types in the BM, facilitating the adhesion and survival of the malignant clone. Blocking the CXCL12/CXCR4 axis is an attractive therapeutic strategy providing a 'multi-hit' therapy that both prevents essential survival signals and releases the AML cells from the BM into the circulation. Once out of the protective niche of the BM they would be more susceptible to destruction by conventional chemotherapeutic drugs. In this review, we disentangle the diverse roles of the CXCL12/CXCR4 axis in AML. We then describe multiple CXCR4 inhibitors, including small molecules, peptides, or monoclonal antibodies, which have been developed to date and their progress in pre-clinical and clinical trials. Finally, the review leads us to the conclusion that there is a need for further investigation into the development of a 'multi-hit' therapy that targets several signalling pathways related to AML cell adhesion and maintenance in the BM.
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Affiliation(s)
- Eleni E Ladikou
- Brighton and Sussex Medical School, University of Sussex, Brighton, UK.,Royal Sussex County Hospital, Brighton, UK
| | - Timothy Chevassut
- Brighton and Sussex Medical School, University of Sussex, Brighton, UK.,Royal Sussex County Hospital, Brighton, UK
| | - Chris J Pepper
- Brighton and Sussex Medical School, University of Sussex, Brighton, UK
| | - Andrea Gs Pepper
- Brighton and Sussex Medical School, University of Sussex, Brighton, UK
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35
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Liu Y, Ding L, Zhang B, Deng Z, Han Y, Wang S, Yang S, Fan Z, Zhang J, Yan H, Han D, He L, Yue W, Wang H, Li Y, Pei X. Thrombopoietin enhances hematopoietic stem and progenitor cell homing by impeding matrix metalloproteinase 9 expression. Stem Cells Transl Med 2020; 9:661-673. [PMID: 32125099 PMCID: PMC7214666 DOI: 10.1002/sctm.19-0220] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 12/11/2019] [Accepted: 01/02/2020] [Indexed: 12/15/2022] Open
Abstract
We reported a novel function of recombinant human thrombopoietin (TPO) in increasing hematopoietic stem and progenitor cell (HSPC) homing to the bone marrow (BM). Single doses of TPO treatment to the recipients immediately after BM transplantation showed significantly improved homing of HSPCs to the BM, which subsequently resulted in enhanced short‐ and long‐term engraftment of HSPCs in mice. We found that TPO could downregulate the expression and secretion of matrix metalloproteinase 9 in BM cells. As a result, SDF‐1α level was increased in the BM niche. Blocking the interaction of SDF‐1α and CXCR4 on HSPCs by using AMD3100 could significantly reverse the TPO‐enhanced HSPC homing effect. More importantly, a single dose of TPO remarkably promoted human HSPC homing and subsequent engraftment to the BM of nonobese diabetic/severe combined immunodeficiency mice. We then performed a clinical trial to evaluate the effect of TPO treatment in patients receiving haploidentical BM and mobilized peripheral blood transplantation. Surprisingly, single doses of TPO treatment to patients followed by hematopoietic stem cell transplantation significantly improved platelet engraftment in the cohort of patients with severe aplastic anemia (SAA). The mean volume of platelet and red blood cell transfusion was remarkably reduced in the cohort of patients with SAA or hematological malignancies receiving TPO treatment. Thus, our data provide a simple, feasible, and efficient approach to improve clinical outcomes in patients with allogenic hematopoietic stem cell transplantation. The clinical trial was registered in the Chinese Clinical Trial Registry website (http://www.chictr.org.cn) as ChiCTR‐OIN‐1701083.
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Affiliation(s)
- Yiming Liu
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, Beijing, People's Republic of China.,South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, People's Republic of China
| | - Li Ding
- Department of Hematology, Medical Center of Air Forces, PLA, Beijing, People's Republic of China
| | - Bowen Zhang
- South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, People's Republic of China.,Experimental Hematology and Biochemistry Lab, Beijing Institute of Radiation Medicine, Beijing, People's Republic of China
| | - Ziliang Deng
- South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, People's Republic of China
| | - Yi Han
- South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, People's Republic of China
| | - Sihan Wang
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, Beijing, People's Republic of China.,South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, People's Republic of China
| | - Shu Yang
- South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, People's Republic of China
| | - Zeng Fan
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, Beijing, People's Republic of China.,South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, People's Republic of China
| | - Jing Zhang
- South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, People's Republic of China.,Experimental Hematology and Biochemistry Lab, Beijing Institute of Radiation Medicine, Beijing, People's Republic of China
| | - Hongmin Yan
- Department of Hematology, Medical Center of Air Forces, PLA, Beijing, People's Republic of China
| | - Dongmei Han
- Department of Hematology, Medical Center of Air Forces, PLA, Beijing, People's Republic of China
| | - Lijuan He
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, Beijing, People's Republic of China.,South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, People's Republic of China
| | - Wen Yue
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, Beijing, People's Republic of China.,South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, People's Republic of China
| | - Hengxiang Wang
- Department of Hematology, Medical Center of Air Forces, PLA, Beijing, People's Republic of China
| | - Yanhua Li
- South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, People's Republic of China.,Experimental Hematology and Biochemistry Lab, Beijing Institute of Radiation Medicine, Beijing, People's Republic of China
| | - Xuetao Pei
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, Beijing, People's Republic of China.,South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, People's Republic of China
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36
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Lubow J, Virgilio MC, Merlino M, Collins DR, Mashiba M, Peterson BG, Lukic Z, Painter MM, Gomez-Rivera F, Terry V, Zimmerman G, Collins KL. Mannose receptor is an HIV restriction factor counteracted by Vpr in macrophages. eLife 2020; 9:e51035. [PMID: 32119644 PMCID: PMC7051176 DOI: 10.7554/elife.51035] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 01/25/2020] [Indexed: 12/21/2022] Open
Abstract
HIV-1 Vpr is necessary for maximal HIV infection and spread in macrophages. Evolutionary conservation of Vpr suggests an important yet poorly understood role for macrophages in HIV pathogenesis. Vpr counteracts a previously unknown macrophage-specific restriction factor that targets and reduces the expression of HIV Env. Here, we report that the macrophage mannose receptor (MR), is a restriction factor targeting Env in primary human monocyte-derived macrophages. Vpr acts synergistically with HIV Nef to target distinct stages of the MR biosynthetic pathway and dramatically reduce MR expression. Silencing MR or deleting mannose residues on Env rescues Env expression in HIV-1-infected macrophages lacking Vpr. However, we also show that disrupting interactions between Env and MR reduces initial infection of macrophages by cell-free virus. Together these results reveal a Vpr-Nef-Env axis that hijacks a host mannose-MR response system to facilitate infection while evading MR's normal role, which is to trap and destroy mannose-expressing pathogens.
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Affiliation(s)
- Jay Lubow
- Department of Microbiology and Immunology, University of MichiganAnn ArborUnited States
| | - Maria C Virgilio
- Cellular and Molecular Biology Program, University of MichiganAnn ArborUnited States
| | - Madeline Merlino
- Department of Internal Medicine, University of MichiganAnn ArborUnited States
| | - David R Collins
- Department of Microbiology and Immunology, University of MichiganAnn ArborUnited States
| | - Michael Mashiba
- Graduate Program in Immunology, University of MichiganAnn ArborUnited States
| | - Brian G Peterson
- Department of Biological ChemistryUniversity of MichiganAnn ArborUnited States
| | - Zana Lukic
- Department of Internal Medicine, University of MichiganAnn ArborUnited States
| | - Mark M Painter
- Graduate Program in Immunology, University of MichiganAnn ArborUnited States
| | | | - Valeri Terry
- Department of Internal Medicine, University of MichiganAnn ArborUnited States
| | - Gretchen Zimmerman
- Graduate Program in Immunology, University of MichiganAnn ArborUnited States
| | - Kathleen L Collins
- Cellular and Molecular Biology Program, University of MichiganAnn ArborUnited States
- Department of Internal Medicine, University of MichiganAnn ArborUnited States
- Graduate Program in Immunology, University of MichiganAnn ArborUnited States
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Cid J, Castillo C, Marín P, Carbassé G, Herrera D, Monfort N, Fernández-Avilés F, Gutiérrez-García G, Martínez C, Rosiñol L, Suárez-Lledó M, Rovira M, Urbano-Ispizua Á, Lozano M. Increased collection efficiency of CD34+ cells after mobilization with preemptive use of plerixafor followed by leukocytapheresis on the same day. Transfusion 2020; 60:779-785. [PMID: 32064638 DOI: 10.1111/trf.15711] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 01/18/2020] [Accepted: 01/19/2020] [Indexed: 12/16/2022]
Abstract
BACKGROUND Plerixafor should be administered 6 to 11 hours before starting leukocytapheresis. However, we have been using plerixafor followed by leukocytapheresis according to different time schedules since 2007. Our objective was to compare the CD34+ cell collection efficiency (CE1) of the first leukocytapheresis performed after using plerixafor at different time intervals. STUDY DESIGN AND METHODS Same-day schedule refers to the administration of plerixafor at 10:00 AM and starting the leukocytapheresis on the same day at 4:00 PM (6 hours interval). Next-day schedule refers to the administration of plerixafor at 8:00 PM and starting the leukocytapheresis on the next day (10:00 AM or 4:00 PM; either a 14- or 20-hr interval). Variables that might influence the CE1 of CD34+ cells were analyzed by longitudinal linear regression with a random effects model derived by generalized estimating equations. RESULTS The median CE1 of CD34+ cells was higher in the group of 30 patients who underwent leukocytapheresis on the same day when compared with the group of 62 patients who underwent leukocytapheresis on the next day (65.8% vs. 56.7%; p < 0.01). In the longitudinal linear regression analysis, only the time from plerixafor administration to leukocytapheresis start was associated with a statistically significant decrease in the CE1 of CD34+ cells (CE1 change -0.034%; p < 0.01). CONCLUSION Higher CE1 of CD34+ cells was observed when patients underwent leukocytapheresis on the same day after receiving plerixafor in comparison with administering plerixafor and underwent leukocytapheresis on the next day. Larger studies are necessary to confirm present results.
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Affiliation(s)
- Joan Cid
- Apheresis & Cellular Therapy Unit, Department of Hemotherapy and Hemostasis, ICMHO, Hospital Clínic, University of Barcelona, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Carlos Castillo
- Apheresis & Cellular Therapy Unit, Department of Hemotherapy and Hemostasis, ICMHO, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Pedro Marín
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Hematopoietic Stem Cell transplantation Unit, Department of Hematology, ICMHO, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Gloria Carbassé
- Apheresis & Cellular Therapy Unit, Department of Hemotherapy and Hemostasis, ICMHO, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Dolores Herrera
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Hematopoietic Stem Cell transplantation Unit, Department of Hematology, ICMHO, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Nuria Monfort
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Hematopoietic Stem Cell transplantation Unit, Department of Hematology, ICMHO, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Francesc Fernández-Avilés
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Hematopoietic Stem Cell transplantation Unit, Department of Hematology, ICMHO, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Gonzalo Gutiérrez-García
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Hematopoietic Stem Cell transplantation Unit, Department of Hematology, ICMHO, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Carmen Martínez
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Hematopoietic Stem Cell transplantation Unit, Department of Hematology, ICMHO, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Laura Rosiñol
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Hematopoietic Stem Cell transplantation Unit, Department of Hematology, ICMHO, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - María Suárez-Lledó
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Hematopoietic Stem Cell transplantation Unit, Department of Hematology, ICMHO, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Montserrat Rovira
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Hematopoietic Stem Cell transplantation Unit, Department of Hematology, ICMHO, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Álvaro Urbano-Ispizua
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Hematopoietic Stem Cell transplantation Unit, Department of Hematology, ICMHO, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Miquel Lozano
- Apheresis & Cellular Therapy Unit, Department of Hemotherapy and Hemostasis, ICMHO, Hospital Clínic, University of Barcelona, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
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Stump SE, Trepte M, Shaw JR, Grgic T, Ptachcinski JR, Sharf A, Riches M, Shea TC, Park YA, Alexander MD. Evaluation of mobilization efficacy with an extended interval following plerixafor administration. J Oncol Pharm Pract 2020; 26:1590-1597. [PMID: 32063103 DOI: 10.1177/1078155219900909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Plerixafor is a hematopoietic stem cell mobilizing agent used in combination with granulocyte-colony stimulating factor to improve collection for autologous stem cell transplantation. Despite a recommendation for administration 11 h prior to apheresis per package labeling, logistical challenges lead many institutions to administer plerixafor at an extended interval. The purpose of this study was to determine if plerixafor effectively and efficiently mobilizes CD34+ cells when given at an extended interval prior to apheresis. This was a retrospective evaluation of adult patients who received plerixafor based on an algorithm reserving daily plerixafor only for patients with a pre-apheresis CD34+ count of < 20 cells/µL (pre-apheresis plerixafor) or with a low CD34+ yield after the first apheresis session (rescue plerixafor). The primary outcome was achievement of a disease-specific collection goal of ≥ 6 ×106 CD34+ cells/kg for multiple myeloma and ≥ 4 ×106 CD34+ cells/kg for lymphoma. The mean interval between plerixafor administration and apheresis was 17 h in this study. Despite this extended interval, 64% of patients met their disease-specific collection goal. A minimum collection goal of ≥ 2 ×106 CD34+ cells/kg was achieved by 95% of patients. Mobilization remained efficient with a median of two days to complete collection. Based on this data, plerixafor effectively and efficiently mobilizes CD34+ cells when given at an extended interval prior to apheresis.
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Affiliation(s)
- Sarah E Stump
- Department of Pharmacy, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Morgan Trepte
- Department of Pharmacy, Northside Hospital, Atlanta, GA, USA
| | - J Ryan Shaw
- Department of Pharmacy, University of North Carolina Medical Center, Chapel Hill, NC, USA
| | - Tatjana Grgic
- Department of Pharmacy, University of North Carolina Medical Center, Chapel Hill, NC, USA
| | - Jonathan R Ptachcinski
- Department of Pharmacy, University of North Carolina Medical Center, Chapel Hill, NC, USA
| | - Andrew Sharf
- Bone Marrow Transplant and Cellular Therapy Program, University of North Carolina Medical Center, Chapel Hill, NC, USA
| | - Marcie Riches
- Bone Marrow Transplant and Cellular Therapy Program, University of North Carolina Medical Center, Chapel Hill, NC, USA.,UNC Lineberger Comprehensive Cancer Center, Chapel Hill, NC, USA
| | - Thomas C Shea
- Bone Marrow Transplant and Cellular Therapy Program, University of North Carolina Medical Center, Chapel Hill, NC, USA.,UNC Lineberger Comprehensive Cancer Center, Chapel Hill, NC, USA
| | - Yara A Park
- Department of Pathology and Laboratory Medicine, University of North Carolina Medical Center, Chapel Hill, NC, USA
| | - Maurice D Alexander
- Department of Pharmacy, University of North Carolina Medical Center, Chapel Hill, NC, USA
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Miao M, De Clercq E, Li G. Clinical significance of chemokine receptor antagonists. Expert Opin Drug Metab Toxicol 2020; 16:11-30. [PMID: 31903790 DOI: 10.1080/17425255.2020.1711884] [Citation(s) in RCA: 80] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Introduction: Chemokine receptors are important therapeutic targets for the treatment of many human diseases. This study will provide an overview of approved chemokine receptor antagonists and promising candidates in advanced clinical trials.Areas covered: We will describe clinical aspects of chemokine receptor antagonists regarding their clinical efficacy, mechanisms of action, and re-purposed applications.Expert opinion: Three chemokine antagonists have been approved: (i) plerixafor is a small-molecule CXCR4 antagonist that mobilizes hematopoietic stem cells; (ii) maraviroc is a small-molecule CCR5 antagonist for anti-HIV treatment; and (iii) mogamulizumab is a monoclonal-antibody CCR4 antagonist for the treatment of mycosis fungoides or Sézary syndrome. Moreover, phase 3 trials are ongoing to evaluate many potent candidates, including CCR5 antagonists (e.g. leronlimab), dual CCR2/CCR5 antagonists (e.g. cenicriviroc), and CXCR4 antagonists (e.g. balixafortide, mavorixafor, motixafortide). The success of chemokine receptor antagonists depends on the selective blockage of disease-relevant chemokine receptors which are indispensable for disease progression. Although clinical translation has been slow, antagonists targeting chemokine receptors with multifaced functions offer the potential to treat a broad spectrum of human diseases.
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Affiliation(s)
- Miao Miao
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Hunan, China
| | - Erik De Clercq
- KU Leuven, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Leuven, Belgium
| | - Guangdi Li
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Hunan, China
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Daniel SK, Seo YD, Pillarisetty VG. The CXCL12-CXCR4/CXCR7 axis as a mechanism of immune resistance in gastrointestinal malignancies. Semin Cancer Biol 2019; 65:176-188. [PMID: 31874281 DOI: 10.1016/j.semcancer.2019.12.007] [Citation(s) in RCA: 120] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 12/03/2019] [Accepted: 12/11/2019] [Indexed: 02/07/2023]
Abstract
Single agent checkpoint inhibitor therapy has not been effective for most gastrointestinal solid tumors, but combination therapy with drugs targeting additional immunosuppressive pathways is being attempted. One such pathway, the CXCL12-CXCR4/CXCR7 chemokine axis, has attracted attention due to its effects on tumor cell survival and metastasis as well as immune cell migration. CXCL12 is a small protein that functions in normal hematopoietic stem cell homing in addition to repair of damaged tissue. Binding of CXCL12 to CXCR4 leads to activation of G protein signaling kinases such as P13K/mTOR and MEK/ERK while binding to CXCR7 leads to β-arrestin mediated signaling. While some gastric and colorectal carcinoma cells have been shown to make CXCL12, the primary source in pancreatic cancer and peritoneal metastases is cancer-associated fibroblasts. Binding of CXCL12 to CXCR4 and CXCR7 on tumor cells leads to anti-apoptotic signaling through Bcl-2 and survivin upregulation, as well as promotion of the epithelial-to-mesechymal transition through the Rho-ROCK pathway and alterations in cell adhesion molecules. High levels of CXCL12 seen in the bone marrow, liver, and spleen could partially explain why these are popular sites of metastases for many tumors. CXCL12 is a chemoattractant for lymphocytes at lower levels, but becomes chemorepellant at higher levels; it is unclear exactly what gradient exists in the tumor microenvironment and how this influences tumor-infiltrating lymphocytes. AMD3100 (Plerixafor or Mozobil) is a small molecule CXCR4 antagonist and is the most frequently used drug targeting the CXCL12-CXCR4/CXCR7 axis in clinical trials for gastrointestinal solid tumors currently. Other small molecules and monoclonal antibodies against CXCR4 are being trialed. Further understanding of the CXCL12- CXCR4/CXCR7 chemokine axis in the tumor microenvironment will allow more effective targeting of this pathway in combination immunotherapy.
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Affiliation(s)
- Sara K Daniel
- University of Washington, Dept. of Surgery, Seattle, WA, USA
| | - Y David Seo
- University of Washington, Dept. of Surgery, Seattle, WA, USA
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41
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Albumin Modifies Responses to Hematopoietic Stem Cell Mobilizing Agents in Mice. Cells 2019; 9:cells9010004. [PMID: 31861319 PMCID: PMC7017167 DOI: 10.3390/cells9010004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 12/13/2019] [Accepted: 12/15/2019] [Indexed: 12/15/2022] Open
Abstract
Albumin, the most abundant plasma protein, not only controls osmotic blood pressure, but also serves as a carrier for various small molecules, including pharmaceuticals. Its impact on pharmacological properties of many drugs has been extensively studied over decades. Here, we focus on its interaction with the following mobilizing agents: Granulocyte-colony stimulating factor (G-CSF) and AMD3100, where such analyses are lacking. These compounds are widely used for hematopoietic stem cell mobilization of healthy donors or patients. Using albumin-deficient (Alb−/−) mice, we studied the contribution of albumin to mobilization outcomes. Mobilization with the bicyclam CXCR4 antagonist AMD3100 was attenuated in Alb−/− mice compared to wild-type littermates. By contrast, mobilization with recombinant human G-CSF (rhG-CSF), administered twice daily over a five-day course, was significantly increased in Alb−/− mice. In terms of a mechanism, we show that rhG-CSF bioavailability in the bone marrow is significantly improved in Alb−/− mice, compared to wild-type (WT) littermates, where rhG-CSF levels dramatically drop within a few hours of the injection. These observations likely explain the favorable mobilization outcomes with split-dose versus single-dose administration of rhG-CSF to healthy donors.
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42
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Gaines T, Garcia F, Virani S, Liang Z, Yoon Y, Oum YH, Shim H, Mooring SR. Synthesis and evaluation of 2,5-furan, 2,5-thiophene and 3,4-thiophene-based derivatives as CXCR4 inhibitors. Eur J Med Chem 2019; 181:111562. [PMID: 31377592 DOI: 10.1016/j.ejmech.2019.111562] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 07/22/2019] [Accepted: 07/23/2019] [Indexed: 12/22/2022]
Abstract
The interaction between G-Protein coupled receptor CXCR4 and its natural ligand CXCL12 has been linked to inflammation experienced by patients with Irritable Bowel Disease (IBD). Blocking this interaction could potentially reduce inflammatory symptoms in IBD patients. In this work, several thiophene-based and furan-based compounds modeled after AMD3100 and WZ811-two known antagonists that interrupt the CXCR4-CXCL12 interaction-were synthesized and analyzed. Fifteen hit compounds were identified; these compounds exhibited effective concentrations (EC) lower than 1000 nM (AMD3100) and inhibited invasion of metastatic cells by at least 45%. Selected compounds (2d, 2j, 8a) that inhibited metastatic invasion at a higher rate than WZ811 (62%) were submitted for a carrageenan inflammation test, where both 8a and 2j reduced inflammation in the same range as WZ811 (40%) but did not reduce inflammation more than 40%. Select compounds were also modeled in silico to show key residue interactions. These preliminary results with furan-based and thiophene-based analogues contribute to the new class on heterocyclic aromatic-based CXCR4 antagonists.
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Affiliation(s)
- Theresa Gaines
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Francisco Garcia
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Saniya Virani
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Zhongxing Liang
- Department of Radiology and Imaging Science, Emory University School of Medicine, Atlanta, GA, 30322, USA; Winship Cancer Institute, Emory University, Atlanta, GA, 30322, USA
| | - Younghyoun Yoon
- Winship Cancer Institute, Emory University, Atlanta, GA, 30322, USA
| | - Yoon Hyeun Oum
- Department of Radiology and Imaging Science, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - Hyunsuk Shim
- Department of Radiology and Imaging Science, Emory University School of Medicine, Atlanta, GA, 30322, USA; Winship Cancer Institute, Emory University, Atlanta, GA, 30322, USA
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43
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Adlere I, Caspar B, Arimont M, Dekkers S, Visser K, Stuijt J, de Graaf C, Stocks M, Kellam B, Briddon S, Wijtmans M, de Esch I, Hill S, Leurs R. Modulators of CXCR4 and CXCR7/ACKR3 Function. Mol Pharmacol 2019; 96:737-752. [DOI: 10.1124/mol.119.117663] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Accepted: 09/14/2019] [Indexed: 02/06/2023] Open
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McIntosh SZ, Maxam CJ, Maestas MM, Quinn KE, Ashley RL. Intrauterine inhibition of chemokine receptor 4 signaling modulates local and systemic inflammation in ovine pregnancy. Am J Reprod Immunol 2019; 82:e13181. [PMID: 31420980 DOI: 10.1111/aji.13181] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 07/29/2019] [Accepted: 08/01/2019] [Indexed: 12/22/2022] Open
Abstract
PROBLEM Chemokines help coordinate inflammation within the fetal-maternal microenvironment during gestation. The chemokine CXCL12 signaling through its receptor CXCR4 regulates inflammatory activity, but this phenomenon is not well understood during pregnancy, and there are no reports exploring the role of this pair in peripheral immune tolerance during gestation. Herein, we hypothesize that intrauterine CXCL12-CXCR4 signaling governs local and systemic immunomodulatory dynamics during early gestation in ewes. METHOD OF STUDY Osmotic pumps were surgically installed for intrauterine infusion of a CXCR4 inhibitor, AMD3100, beginning on day 12 post-breeding in sheep. Endometrial tissues were collected on day 35 of gestation and evaluated for inflammatory potential, Akt pathway activation, and autophagy induction. Demonstrative of peripheral immune activity, levels of select cytokines were assessed in daily blood samples collected throughout the study, as well as in corpus luteum and spleen on day 35. RESULTS Anti-inflammatory IL10 was primarily localized to endometrial glandular epithelium with lower abundance when CXCR4 was antagonized. Inhibition of CXCR4 at the fetal-maternal interface resulted in less activation of Akt in endometrium, while evidence of autophagy induction was greater. Corpora lutea from ewes receiving intrauterine AMD3100 exhibited lower interferon-gamma (IFNG) expression. Blood inflammatory potential was differentially altered in a temporal fashion throughout infusion. IL10 abundance in spleen was greater following CXCR4 inhibition at the fetal-maternal interface, while IFNG was less. CONCLUSION Intrauterine CXCL12-CXCR4 signaling governs endometrial and systemic inflammation; disruption of this axis may have detrimental impacts on offspring and maternal health.
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Affiliation(s)
- Stacia Z McIntosh
- Department of Animal and Range Sciences, New Mexico State University, Las Cruces, NM, USA
| | - Clara J Maxam
- Department of Animal and Range Sciences, New Mexico State University, Las Cruces, NM, USA
| | - Marlie M Maestas
- Department of Animal and Range Sciences, New Mexico State University, Las Cruces, NM, USA
| | - Kelsey E Quinn
- Department of Animal and Range Sciences, New Mexico State University, Las Cruces, NM, USA
| | - Ryan L Ashley
- Department of Animal and Range Sciences, New Mexico State University, Las Cruces, NM, USA
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45
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Cao J, Zhu W, Yu D, Pan L, Zhong L, Xiao Y, Gao Y, Jiao Y, Zhang Q, Ji J, Yang H, Zhang S, Cao J. The Involvement of SDF-1α/CXCR4 Axis in Radiation-Induced Acute Injury and Fibrosis of Skin. Radiat Res 2019; 192:410-421. [PMID: 31390312 DOI: 10.1667/rr15384.1] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Radiation-induced acute skin injury and consequent fibrosis are common complications of cancer radiotherapy and radiation accidents. Stromal cell-derived factor-1α (SDF-1α) and its receptor, CXC chemokine receptor 4 (CXCR4) have been shown to be involved in multiple cellular events. However, the role of SDF-1α/CXCR4 axis in radiation-induced acute injury and fibrosis of skin has not been reported. In this study, we found that the expression of SDF-1α and CXCR4 was significantly increased in irradiated skin tissues of humans, monkeys and rats, compared to their nonirradiated counterparts. Mice with keratinocyte-specific ablation of CXCR4 showed less severe skin damage than wild-type mice after receiving a 35 Gy dose of radiation. Consistently, subcutaneous injection of AMD3100, an FDA approved SDF-1α/CXCR4 inhibitor, attenuated skin injury and fibrosis induced by exposure to radiation in a rat model. Mechanically, the SDF-1α/CXCR4 axis promotes pro-fibrotic TGF-b/Smad signaling through the PI3K-MAPK signaling cascade in human keratinocyte HaCaT cells and skin fibroblast WS1 cells. AMD3100 inhibited Smad2 nuclear translocation and transcriptional activity of Smad2/3 induced by radiation, which suppressed the pro-fibrotic TGF-b/Smad signaling pathway activated by exposure. Taken together, these findings demonstrate the involvement of SDF-1α/CXCR4 axis in radiation-induced acute injury and fibrosis of skin, and indicate that AMD3100 would be an effective countermeasure against these diseases.
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Affiliation(s)
- Jinming Cao
- School of Radiation Medicine and Protection, Medical College of Soochow University, Suzhou 215123, China.,State Key Laboratory of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Wei Zhu
- School of Radiation Medicine and Protection, Medical College of Soochow University, Suzhou 215123, China.,State Key Laboratory of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Daojiang Yu
- State Key Laboratory of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China.,Departments of Plastic Surgery
| | - Lu Pan
- School of Radiation Medicine and Protection, Medical College of Soochow University, Suzhou 215123, China.,State Key Laboratory of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Li Zhong
- School of Radiation Medicine and Protection, Medical College of Soochow University, Suzhou 215123, China.,State Key Laboratory of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Yuji Xiao
- School of Radiation Medicine and Protection, Medical College of Soochow University, Suzhou 215123, China.,State Key Laboratory of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Yiying Gao
- School of Radiation Medicine and Protection, Medical College of Soochow University, Suzhou 215123, China.,State Key Laboratory of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Yang Jiao
- School of Radiation Medicine and Protection, Medical College of Soochow University, Suzhou 215123, China.,State Key Laboratory of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Qi Zhang
- School of Radiation Medicine and Protection, Medical College of Soochow University, Suzhou 215123, China.,State Key Laboratory of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Jiang Ji
- Departments of Dermatology, The Second Affiliated Hospital of Soochow University, Suzhou 215004, China
| | - Hongying Yang
- School of Radiation Medicine and Protection, Medical College of Soochow University, Suzhou 215123, China.,State Key Laboratory of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Shuyu Zhang
- State Key Laboratory of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China.,Department of Oncology, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou 213100, China.,Department of Second Affiliated Hospital of Chengdu Medical College (China National Nuclear Corporation 416 Hospital), Chengdu 610051, China
| | - Jianping Cao
- School of Radiation Medicine and Protection, Medical College of Soochow University, Suzhou 215123, China.,State Key Laboratory of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
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Johnson VA, Cramer YS, Rosenkranz SL, Becker S, Klingman KL, Kallungal B, Coakley E, Acosta EP, Calandra G, Saag MS, Bedimo R, Owens S, Ferguson E, Kessels L, Shugarts D, Parrillo V, Upton K, White V, Goldman M, Zwickl W, del Rio C, Turkia A, Zadzilk A, Darren Hazelwood J, Lu D. Antiretroviral Activity of AMD11070 (An Orally Administered CXCR4 Entry Inhibitor): Results of NIH/NIAID AIDS Clinical Trials Group Protocol A5210. AIDS Res Hum Retroviruses 2019; 35:691-697. [PMID: 31099252 DOI: 10.1089/aid.2018.0256] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
AMD11070 binds to the chemokine receptor CXCR4, with anti-HIV-1 activity in vitro and in vivo. We conducted a phase IB/IIA proof-of-concept dose-escalating, open-label study to determine safety and antiviral activity of AMD11070 administered over 10 days to HIV-1-infected participants who harbored CXCR4-tropic virus. Primary endpoints were ≥1 log10 rlu (relative luminescence units) reduction in CXCR4-tropic virus during 10 days of AMD11070 treatment or in the 7 days following treatment discontinuation, rlu changes over 10 days of treatment, and safety. Plasma pharmacokinetic parameters, HIV-1 RNA, and safety labs were obtained over 90 days of study. The study was stopped early due to emerging AMD11070 animal toxicity data. Six HIV-infected participants with plasma HIV-1 RNA ≥5,000 copies/mL on no antiretroviral therapy for 14 days before entry were treated. AMD11070 was well-tolerated when administered at 200 mg orally every 12 h for 10 days. All enrolled participants had dual/mixed (D/M) viruses. Reductions of almost 1 log10 rlu or more in CXCR4 virus were seen in three of six participants after 10 days of treatment. No participants had ≥1 log10 decline in plasma HIV-1 RNA from baseline at day 10. No clear relationship between pharmacokinetic parameters and response to therapy (X4 log rlu reduction) was observed. AMD11070 demonstrated in vivo activity as measured by reductions in CXCR4 rlu signal. Despite the finding of discordant rlu and plasma HIV RNA responses in these participants with D/M viruses, exploration of other HIV-1 CXCR4 antagonist therapies is possible.
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Affiliation(s)
- Victoria A. Johnson
- Birmingham Veterans Affairs Medical Center, Birmingham, Alabama
- Department of Pharmacology and Toxicology, The University of Alabama at Birmingham School of Medicine, Birmingham, Alabama
| | - Yoninah S. Cramer
- Statistical and Data Management Center, Harvard TH Chan School of Public Health, Boston, Massachusetts
| | - Susan L. Rosenkranz
- Statistical and Data Management Center, Harvard TH Chan School of Public Health, Boston, Massachusetts
| | | | | | | | - Eoin Coakley
- Monogram Biosciences, Inc., South San Francisco, California
| | - Edward P. Acosta
- Department of Pharmacology and Toxicology, The University of Alabama at Birmingham School of Medicine, Birmingham, Alabama
| | | | - Michael S. Saag
- Department of Pharmacology and Toxicology, The University of Alabama at Birmingham School of Medicine, Birmingham, Alabama
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Yoshida S, Kawai H, Eguchi T, Sukegawa S, Oo MW, Anqi C, Takabatake K, Nakano K, Okamoto K, Nagatsuka H. Tumor Angiogenic Inhibition Triggered Necrosis (TAITN) in Oral Cancer. Cells 2019; 8:cells8070761. [PMID: 31336612 PMCID: PMC6678844 DOI: 10.3390/cells8070761] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 07/18/2019] [Accepted: 07/20/2019] [Indexed: 01/09/2023] Open
Abstract
CXCR4 is a chemokine receptor crucial in tumor progression, although the angiogenic role of CXCR4 in oral squamous cell carcinoma (OSCC) has not been investigated. Here we show that CXCR4 is crucial for tumor angiogenesis, thereby supporting tumor survival in OSCC. Immunohistochemistry on human clinical specimens revealed that CXCR4 and a tumor vasculature marker CD34 were co-distributed in tumor vessels in human OSCC specimens. To uncover the effects of CXCR4 inhibition, we treated the OSCC-xenografted mice with AMD3100, so-called plerixafor, an antagonist of CXCR4. Notably, we found a unique pathophysiological structure defined as tumor angiogenic inhibition triggered necrosis (TAITN), which was induced by the CXCR4 antagonism. Treatment with AMD3100 increased necrotic areas with the induction of hypoxia-inducible factor-1α in the xenografted tumors, suggesting that AMD3100-induced TAITN was involved in hypoxia and ischemia. Taken together, we demonstrated that CXCR4 plays a crucial role in tumor angiogenesis required for OSCC progression, whereas TAITN induced by CXCR4 antagonism could be an effective anti-angiogenic therapeutic strategy in OSCC treatment.
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Affiliation(s)
- Saori Yoshida
- Department of Oral Pathology and Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan
| | - Hotaka Kawai
- Department of Oral Pathology and Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan.
| | - Takanori Eguchi
- Department of Dental Pharmacology, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan.
- Advanced Research Center for Oral and Craniofacial Sciences, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan.
| | - Shintaro Sukegawa
- Department of Oral Pathology and Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan
- Division of Oral and Maxillofacial Surgery, Kagawa Prefectural Central Hospital, Takamatsu, Kagawa 760-8557, Japan
| | - May Wathone Oo
- Department of Oral Pathology and Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan
| | - Chang Anqi
- Department of Oral Pathology and Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan
- Department of Anatomy, Basic Medicine Science College, Harbin Medical University, Harbin 150076, China
| | - Kiyofumi Takabatake
- Department of Oral Pathology and Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan
| | - Keisuke Nakano
- Department of Oral Pathology and Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan
- Advanced Research Center for Oral and Craniofacial Sciences, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan
| | - Kuniaki Okamoto
- Department of Dental Pharmacology, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan
| | - Hitoshi Nagatsuka
- Department of Oral Pathology and Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan
- Advanced Research Center for Oral and Craniofacial Sciences, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan
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48
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Meeson R, Sanghani-Keri A, Coathup M, Blunn G. CXCR4 Antagonism to Treat Delayed Fracture Healing. Tissue Eng Part A 2019; 25:1242-1250. [PMID: 30612520 PMCID: PMC6864747 DOI: 10.1089/ten.tea.2018.0265] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
A significant number of fractures develop nonunion. Stem cell homing is regulated through stromal cell-derived factor 1 (SDF1) and its receptor CXCR4. Stem/progenitor cell populations can be endogenously mobilized by administering growth factors with a pharmacological antagonist of CXCR4, AMD3100, which may be a means to improve fracture healing. A 1.5 mm femoral osteotomy in Wistar rats was stabilized with an external fixator. Rats were pretreated with phosphate buffered saline [PBS(P)], vascular endothelial growth factor [VEGF(V)], insulin-like growth factor-1 [IGF1(I)], or granulocyte colony stimulating factor [GCSF(G)] before AMD3100. A control group (C) did not receive growth factors or AMD3100. Bone formation after 5 weeks was analyzed. Group P had a significant increase in total bone volume (BV) (p = 0.01) and group I in percentage bone in the fracture gap (p = 0.035). Group G showed a decrease in BV. All treated groups had an increase in trabecular thickness. Histology showed decreased cartilage tissue associated with increased bone in groups with improved healing, and increased fibrous tissue in poorly performing groups. Antagonism of SDF1-CXCR4 axis can boost impaired fracture healing. AMD3100 given alone was the most effective means to boost healing, whereas pretreatment with GCSF reduced healing. AMD3100 is likely mobilizing stem cells into the blood stream that home to the fracture site enhancing healing.
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Affiliation(s)
- Richard Meeson
- Division of Surgery, Institute of Orthopaedics and Musculoskeletal Science, University College London, London, United Kingdom.,Department of Clinical Services and Sciences, Royal Veterinary College, Hatfield, United Kingdom
| | - Anita Sanghani-Keri
- Division of Surgery, Institute of Orthopaedics and Musculoskeletal Science, University College London, London, United Kingdom
| | - Melanie Coathup
- Division of Surgery, Institute of Orthopaedics and Musculoskeletal Science, University College London, London, United Kingdom.,University of Central Florida, Orlando, Florida
| | - Gordon Blunn
- Division of Surgery, Institute of Orthopaedics and Musculoskeletal Science, University College London, London, United Kingdom.,University of Portsmouth, Portsmouth, United Kingdom
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Morsink LM, Walter RB. Novel monoclonal antibody-based therapies for acute myeloid leukemia. Best Pract Res Clin Haematol 2019; 32:116-126. [PMID: 31203993 DOI: 10.1016/j.beha.2019.05.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 05/07/2019] [Indexed: 12/21/2022]
Abstract
There has been long-standing interest in using monoclonal antibodies to improve outcomes of people with acute myeloid leukemia (AML). While several candidate therapeutics have failed at various stages of clinical testing, improved survival of some patients receiving the CD33 antibody-drug conjugate gemtuzumab ozogamicin has provided first evidence that monoclonal antibodies have a role in the armamentarium against AML. Over the last several years, work to improve the success of monoclonal antibody-based therapies in AML has focused on the identification and exploration of new antigen targets as much as on the development of novel treatment formats such as use of unconjugated engineered monoclonal antibodies and conjugated antibodies, delivering highly potent small molecule drugs or radionuclides to AML cells. Here, we will provide a brief overview of current efforts with such investigational monoclonal antibody-based therapeutics.
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Affiliation(s)
- Linde M Morsink
- Department of Hematology, University Medical Center Groningen, Groningen, the Netherlands
| | - Roland B Walter
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA; Department of Medicine, Division of Hematology, University of Washington, Seattle, WA, USA; Department of Epidemiology, University of Washington, Seattle, WA, USA; Department of Pathology, University of Washington, Seattle, WA, USA.
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50
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De Clercq E. Mozobil® (Plerixafor, AMD3100), 10 years after its approval by the US Food and Drug Administration. Antivir Chem Chemother 2019; 27:2040206619829382. [PMID: 30776910 PMCID: PMC6379795 DOI: 10.1177/2040206619829382] [Citation(s) in RCA: 86] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
AMD3100 (plerixafor, Mozobil®) was first identified as an anti-HIV agent
specifically active against the T4-lymphotropic HIV strains, as it selectively
blocked the CXCR4 receptor. Through interference with the interaction of CXCR4
with its natural ligand, SDF-1 (also named CXCL12), it also mobilized the
CD34+stem cells from the bone marrow into the peripheral blood
stream. In December 2008, AMD3100 was formally approved by the US FDA for
autologous transplantation in patients with Non-Hodgkin’s Lymphoma or multiple
myeloma. It may be beneficially used in various other malignant diseases as well
as hereditary immunological disorders such as WHIM syndrome, and
physiopathological processes such as hepatopulmonary syndrome.
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