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Horwitz JK, Bin S, Fairchild RL, Keslar KS, Yi Z, Zhang W, Pavlov VI, Li Y, Madsen JC, Cravedi P, Heeger PS. Linking erythropoietin to regulatory T-cell-dependent allograft survival through myeloid cells. JCI Insight 2022; 7:158856. [PMID: 35389892 PMCID: PMC9220923 DOI: 10.1172/jci.insight.158856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 04/06/2022] [Indexed: 12/03/2022] Open
Abstract
Erythropoietin (EPO) has multiple nonerythropoietic functions, including immune modulation, but EPO’s effects in transplantation remain incompletely understood. We tested the mechanisms linking EPO administration to prolongation of murine heterotopic heart transplantation using WT and conditional EPO receptor–knockout (EPOR-knockout) mice as recipients. In WT controls, peritransplant administration of EPO synergized with CTLA4-Ig to prolong allograft survival (P < 0.001), reduce frequencies of donor-reactive effector CD8+ T cells in the spleen (P < 0.001) and in the graft (P < 0.05), and increase frequencies and total numbers of donor-reactive Tregs (P < 0.01 for each) versus CTLA4-Ig alone. Studies performed in conditional EPOR-knockout recipients showed that each of these differences required EPOR expression in myeloid cells but not in T cells. Analysis of mRNA isolated from spleen monocytes showed that EPO/EPOR ligation upregulated macrophage-expressed, antiinflammatory, regulatory, and pro-efferocytosis genes and downregulated selected proinflammatory genes. Taken together, the data support the conclusion that EPO promotes Treg-dependent murine cardiac allograft survival by crucially altering the phenotype and function of macrophages. Coupled with our previous documentation that EPO promotes Treg expansion in humans, the data support the need for testing the addition of EPO to costimulatory blockade-containing immunosuppression regimens in an effort to prolong human transplant survival.
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Affiliation(s)
- Julian K Horwitz
- Translational Transplant Research Center, Icahn School of Medicine at Mount Sinai, New York, United States of America
| | - Sofia Bin
- Translational Transplant Research Center, Icahn School of Medicine at Mount Sinai, New York, United States of America
| | - Robert L Fairchild
- Department of Immunology, Cleveland Clinic, Cleveland, United States of America
| | - Karen S Keslar
- Department of Immunology, Cleveland Clinic, Cleveland, United States of America
| | - Zhengzi Yi
- Translational Transplant Research Center, Icahn School of medicine at Mount Sinai, New York, United States of America
| | - Weijia Zhang
- Translational Transplant Research Center, Icahn school of Medicine at Mount Sinai, New York, United States of America
| | - Vasile I Pavlov
- Translational Transplant Research Center, Icahn School of Medicine at Mount Sinai, New York, United States of America
| | - Yansui Li
- Translational Transplant Research Center, Icahn School of Medicine at Mount Sinai, New York, United States of America
| | - Joren C Madsen
- Department of Surgery, Massachusetts General Hospital, Boston, United States of America
| | - Paolo Cravedi
- Translational Transplant Research Center, Icahn School of Medicine at Mount Sinai, New York, United States of America
| | - Peter S Heeger
- Translational Transplant Research Center, Icahn School of Medicine at Mount Sinai, New York, United States of America
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Al-Onaizi MA, Thériault P, Lecordier S, Prefontaine P, Rivest S, ElAli A. Early monocyte modulation by the non-erythropoietic peptide ARA 290 decelerates AD-like pathology progression. Brain Behav Immun 2022; 99:363-382. [PMID: 34343617 DOI: 10.1016/j.bbi.2021.07.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 07/06/2021] [Accepted: 07/24/2021] [Indexed: 12/12/2022] Open
Abstract
Alzheimer's disease (AD) pathology is characterized by amyloid-β (Aβ) deposition and tau hyper-phosphorylation, accompanied by a progressive cognitive decline. Monocytes have been recently shown to play a major role in modulating Aβ pathology, and thereby have been pointed as potential therapeutic targets. However, the main challenge remains in identifying clinically relevant interventions that could modulate monocyte immune functions in absence of undesired off-target effects. Erythropoietin (EPO), a key regulator of erythrocyte production, has been shown to possess immunomodulatory potential and to provide beneficial effects in preclinical models of AD. However, the transition to use recombinant human EPO in clinical trials was hindered by unwanted erythropoietic effects that could lead to thrombosis. Here, we used a recently identified non-erythropoietic analogue of EPO, ARA 290, to evaluate its therapeutic potential in AD therapy. We first evaluated the effects of early systemic ARA 290 administration on AD-like pathology in an early-onset model, represented by young APP/PS1 mice. Our findings indicate that ARA 290 early treatment decelerated Aβ pathology progression in APP/PS1 mice while improving cognitive functions. ARA 290 potently increased the levels of total monocytes by specifically stimulating the generation of Ly6CLow patrolling subset, which are implicated in clearing Aβ from the cerebral vasculature, and subsequently reducing overall Aβ burden in the brain. Moreover, ARA 290 increased the levels of monocyte progenitors in the bone marrow. Using chimeric APP/PS1 mice in which Ly6CLow patrolling subset are selectively depleted, ARA 290 was inefficient in attenuating Aβ pathology and ameliorating cognitive functions in young animals. Interestingly, ARA 290 effects were compromised when delivered in a late-onset model, represented by aged APP1/PS1. In aged APP/PS1 mice in which AD-like pathology is at advanced stages, ARA 290 failed to reverse Aβ pathology and to increase the levels of circulating monocytes. Our study suggests that ARA 290 early systemic treatment could prevent AD-like progression via modulation of monocyte functions by specifically increasing the ratio of patrolling monocytes.
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Affiliation(s)
- Mohammed A Al-Onaizi
- Department of Anatomy, Faculty of Medicine, Kuwait University, Kuwait City, Kuwait; Department of Molecular Medicine, Faculty of Medicine, Université Laval, Quebec City, QC, Canada
| | - Peter Thériault
- Neuroscience Axis, Research Center of CHU de Québec - Université Laval, Quebec City, QC, Canada; Department of Molecular Medicine, Faculty of Medicine, Université Laval, Quebec City, QC, Canada
| | - Sarah Lecordier
- Neuroscience Axis, Research Center of CHU de Québec - Université Laval, Quebec City, QC, Canada; Department of Psychiatry and Neuroscience, Faculty of Medicine, Université Laval, Quebec City, QC, Canada
| | - Paul Prefontaine
- Neuroscience Axis, Research Center of CHU de Québec - Université Laval, Quebec City, QC, Canada; Department of Molecular Medicine, Faculty of Medicine, Université Laval, Quebec City, QC, Canada
| | - Serge Rivest
- Neuroscience Axis, Research Center of CHU de Québec - Université Laval, Quebec City, QC, Canada; Department of Molecular Medicine, Faculty of Medicine, Université Laval, Quebec City, QC, Canada
| | - Ayman ElAli
- Neuroscience Axis, Research Center of CHU de Québec - Université Laval, Quebec City, QC, Canada; Department of Psychiatry and Neuroscience, Faculty of Medicine, Université Laval, Quebec City, QC, Canada.
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Munguia J, Nizet V. Pharmacological Targeting of the Host-Pathogen Interaction: Alternatives to Classical Antibiotics to Combat Drug-Resistant Superbugs. Trends Pharmacol Sci 2017; 38:473-488. [PMID: 28283200 DOI: 10.1016/j.tips.2017.02.003] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2016] [Revised: 02/13/2017] [Accepted: 02/14/2017] [Indexed: 01/17/2023]
Abstract
The rise of multidrug-resistant pathogens and the dearth of new antibiotic development place an existential strain on successful infectious disease therapy. Breakthrough strategies that go beyond classical antibiotic mechanisms are needed to combat this looming public health catastrophe. Reconceptualizing antibiotic therapy in the richer context of the host-pathogen interaction is required for innovative solutions. By defining specific virulence factors, the essence of a pathogen, and pharmacologically neutralizing their activities, one can block disease progression and sensitize microbes to immune clearance. Likewise, host-directed strategies to boost phagocyte bactericidal activity, enhance leukocyte recruitment, or reverse pathogen-induced immunosuppression seek to replicate the success of cancer immunotherapy in the field of infectious diseases. The answer to the threat of multidrug-resistant pathogens lies 'outside the box' of current antibiotic paradigms.
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Affiliation(s)
- Jason Munguia
- Department of Pediatrics, Division of Host-Microbe Systems and Therapeutics, University of California San Diego, La Jolla, CA 92093, USA; Biomedical Sciences Graduate Program, University of California San Diego, La Jolla, CA 92093, USA
| | - Victor Nizet
- Department of Pediatrics, Division of Host-Microbe Systems and Therapeutics, University of California San Diego, La Jolla, CA 92093, USA; Biomedical Sciences Graduate Program, University of California San Diego, La Jolla, CA 92093, USA; Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA 92093, USA; Rady Children's Hospital, San Diego, CA 92123, USA.
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Collino M, Thiemermann C, Cerami A, Brines M. Flipping the molecular switch for innate protection and repair of tissues: Long-lasting effects of a non-erythropoietic small peptide engineered from erythropoietin. Pharmacol Ther 2015; 151:32-40. [DOI: 10.1016/j.pharmthera.2015.02.005] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2015] [Accepted: 02/18/2015] [Indexed: 01/25/2023]
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Chen H, Luo B, Yang X, Xiong J, Liu Z, Jiang M, Shi R, Yan C, Wu Y, Zhang Z. Therapeutic effects of nonerythropoietic erythropoietin analog ARA290 in experimental autoimmune encephalomyelitis rat. J Neuroimmunol 2014; 268:64-70. [DOI: 10.1016/j.jneuroim.2014.01.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2013] [Revised: 12/27/2013] [Accepted: 01/13/2014] [Indexed: 12/17/2022]
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Buckwalter JA, Anderson DD, Brown TD, Tochigi Y, Martin JA. The Roles of Mechanical Stresses in the Pathogenesis of Osteoarthritis: Implications for Treatment of Joint Injuries. Cartilage 2013; 4:286-294. [PMID: 25067995 PMCID: PMC4109888 DOI: 10.1177/1947603513495889] [Citation(s) in RCA: 152] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Excessive joint surface loadings, either single (acute impact event) or repetitive (cumulative contact stress), can cause the clinical syndrome of osteoarthritis (OA). Despite advances in treatment of injured joints, the risk of OA following joint injuries has not decreased in the last 50 years. Cumulative excessive articular surface contact stress that leads to OA results from post-traumatic joint incongruity and instability, and joint dysplasia, but also may cause OA in patients without known joint abnormalities. In vitro investigations show that excessive articular cartilage loading triggers release of reactive oxygen species (ROS) from mitochondria, and that these ROS cause chondrocyte death and matrix degradation. Preventing release of ROS or inhibiting their effects preserves chondrocytes and their matrix. Fibronectin fragments released from articular cartilage subjected to excessive loads also stimulate matrix degradation; inhibition of molecular pathways initiated by these fragments prevents this effect. Additionally, injured chondrocytes release alarmins that activate chondroprogentior cells in vitro that propogate and migrate to regions of damaged cartilage. These cells also release chemokines and cytokines that may contribute to inflammation that causes progressive cartilage loss. Distraction and motion of osteoarthritic human ankles can promote joint remodeling, decrease pain and improve joint function in patients with end-stage post-traumatic OA. These advances in understanding of how altering mechanical stresses can lead to remodeling of osteoarthritic joints and how excessive stress causes loss of articular cartilage, including identification of mechanically induced mediators of cartilage loss, provide the basis for new biologic and mechanical approaches to the prevention and treatment of OA.
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Affiliation(s)
- Joseph A. Buckwalter
- Department of Orthopaedics and Rehabilitation and Department of Biomedical Engineering, University of Iowa, Iowa City, IA, USA
- Iowa City Veterans Administration Medical Center, Iowa City, IA, USA
| | - Donald D. Anderson
- Department of Orthopaedics and Rehabilitation and Department of Biomedical Engineering, University of Iowa, Iowa City, IA, USA
| | - Thomas D. Brown
- Department of Orthopaedics and Rehabilitation and Department of Biomedical Engineering, University of Iowa, Iowa City, IA, USA
| | - Yuki Tochigi
- Department of Orthopaedics and Rehabilitation and Department of Biomedical Engineering, University of Iowa, Iowa City, IA, USA
- Department of Orthopaedics, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - James A. Martin
- Department of Orthopaedics and Rehabilitation and Department of Biomedical Engineering, University of Iowa, Iowa City, IA, USA
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Alternative erythropoietin-mediated signaling prevents secondary microvascular thrombosis and inflammation within cutaneous burns. Proc Natl Acad Sci U S A 2013; 110:3513-8. [PMID: 23401545 DOI: 10.1073/pnas.1214099110] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Alternate erythropoietin (EPO)-mediated signaling via the heteromeric receptor composed of the EPO receptor and the β-common receptor (CD131) exerts the tissue-protective actions of EPO in various types of injuries. Herein we investigated the effects of the EPO derivative helix beta surface peptide (synonym: ARA290), which specifically triggers alternate EPO-mediated signaling, but does not bind the erythropoietic EPO receptor homodimer, on the progression of secondary tissue damage following cutaneous burns. For this purpose, a deep partial thickness cutaneous burn injury was applied on the back of mice, followed by systemic administration of vehicle or ARA290 at 1, 12, and 24 h postburn. With vehicle-only treatment, wounds exhibited secondary microvascular thrombosis within 24 h postburn, and subsequent necrosis of the surrounding tissue, thus converting to a full-thickness injury within 48 h. On the other hand, when ARA290 was systemically administered, patency of the microvasculature was maintained. Furthermore, ARA290 mitigated the innate inflammatory response, most notably tumor necrosis factor-alpha-mediated signaling. These findings correlated with long-term recovery of initially injured yet viable tissue components. In conclusion, ARA290 may be a promising therapeutic approach to prevent the conversion of partial- to full-thickness burn injuries. In a clinical setting, the decrease in burn depth and area would likely reduce the necessity for extensive surgical debridement as well as secondary wound closure by means of skin grafting. This use of ARA290 is consistent with its tissue-protective properties previously reported in other models of injury, such as myocardial infarction and hemorrhagic shock.
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Ulett GC, Totsika M, Schaale K, Carey AJ, Sweet MJ, Schembri MA. Uropathogenic Escherichia coli virulence and innate immune responses during urinary tract infection. Curr Opin Microbiol 2013; 16:100-7. [DOI: 10.1016/j.mib.2013.01.005] [Citation(s) in RCA: 141] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2012] [Revised: 12/19/2012] [Accepted: 01/08/2013] [Indexed: 12/17/2022]
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Niesters M, Swartjes M, Heij L, Brines M, Cerami A, Dunne A, Hoitsma E, Dahan A. The erythropoietin analog ARA 290 for treatment of sarcoidosis-induced chronic neuropathic pain. Expert Opin Orphan Drugs 2012. [DOI: 10.1517/21678707.2013.719289] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Nairz M, Sonnweber T, Schroll A, Theurl I, Weiss G. The pleiotropic effects of erythropoietin in infection and inflammation. Microbes Infect 2011; 14:238-46. [PMID: 22094132 PMCID: PMC3278592 DOI: 10.1016/j.micinf.2011.10.005] [Citation(s) in RCA: 111] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2011] [Accepted: 10/18/2011] [Indexed: 01/30/2023]
Abstract
Erythropoietin (EPO) is a multi-functional cytokine, which exerts erythropoietic effects but also carries anti-apoptotic and immune-modulatory activities upon binding to two distinct receptors which are expressed on erythroid, parenchymal and immune cells, respectively. Whereas EPO ameliorates hemolytic anemia in malaria or trypanosomiasis and improves the course of autoimmune diseases such as inflammatory bowel disease or autoimmune encephalomyelitis, it deleteriously inhibits macrophage functions in Salmonella infection in animal models. Thus, the specific modulation of extra-erythropoietic EPO activity forms an attractive therapeutic target in infection and inflammation.
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Affiliation(s)
| | | | | | | | - Günter Weiss
- Corresponding author. Tel.: +43 512 504 23255; fax: +43 512 504 25607.
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