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Sha L, Zhao Y, Li S, Wei D, Tao Y, Wang Y. Insights to Ang/Tie signaling pathway: another rosy dawn for treating retinal and choroidal vascular diseases. J Transl Med 2024; 22:898. [PMID: 39367441 PMCID: PMC11451039 DOI: 10.1186/s12967-024-05441-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 06/27/2024] [Indexed: 10/06/2024] Open
Abstract
Retinal neurovascular unit (NVU) is a multi-cellular structure that consists of the functional coupling between neural tissue and vascular system. Disrupted NVU will result in the occurrence of retinal and choroidal vascular diseases, which are characterized by the development of neovascularization, increased vascular permeability, and inflammation. This pathological entity mainly includes neovascular age-related macular degeneration (neovascular-AMD), diabetic retinopathy (DR) retinal vein occlusion (RVO), and retinopathy of prematurity (ROP). Emerging evidences suggest that the angopoietin/tyrosine kinase with immunoglobulin and epidermal growth factor homology domains (Ang/Tie) signaling pathway is essential for the development of retinal and choroidal vascular. Tie receptors and their downstream pathways play a key role in modulating the vascular development, vascular stability, remodeling and angiogenesis. Angiopoietin 1 (Ang1) is a natural agonist of Tie2 receptor, which can promote vascular stability. On the other hand, angiopoietin 2 (Ang2) is an antagonist of Tie2 receptor that causes vascular instability. Currently, agents targeting the Ang/Tie signaling pathway have been used to inhibit neovascularization and vascular leakage in neovascular-AMD and DR animal models. Particularly, the AKB-9778 and Faricimab have shown promising efficacy in improving visual acuity in patients with neovascular-AMD and DR. These experimental and clinical evidences suggest that activation of Ang/Tie signaling pathway can inhibit the vascular permeability, neovascularization, thereby maintaining the normal function and structure of NVU. This review seeks to introduce the versatile functions and elucidate the modulatory mechanisms of Ang/Tie signaling pathway. Recent pharmacologic therapies targeting this pathway are also elaborated and summarized. Further translation of these findings may afford a new therapeutic strategy from bench to bedside.
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Affiliation(s)
- Lulu Sha
- Department of Ophthalmology, Henan Eye Institute, Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450003, China
- College of Medicine, Zhengzhou University, Zhengzhou, 450001, China
| | - Yameng Zhao
- Department of Ophthalmology, Henan Eye Institute, Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450003, China
- College of Medicine, Zhengzhou University, Zhengzhou, 450001, China
| | - Siyu Li
- College of Medicine, Zhengzhou University, Zhengzhou, 450001, China
| | - Dong Wei
- College of Medicine, Zhengzhou University, Zhengzhou, 450001, China
| | - Ye Tao
- Department of Ophthalmology, Henan Eye Institute, Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450003, China.
| | - Yange Wang
- Department of Ophthalmology, Henan Eye Institute, Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450003, China.
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Wang Y, Vizely K, Li CY, Shen K, Shakeri A, Khosravi R, Smith JR, Alteza EAII, Zhao Y, Radisic M. Biomaterials for immunomodulation in wound healing. Regen Biomater 2024; 11:rbae032. [PMID: 38779347 PMCID: PMC11110865 DOI: 10.1093/rb/rbae032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 03/18/2024] [Accepted: 03/20/2024] [Indexed: 05/25/2024] Open
Abstract
The substantial economic impact of non-healing wounds, scarring, and burns stemming from skin injuries is evident, resulting in a financial burden on both patients and the healthcare system. This review paper provides an overview of the skin's vital role in guarding against various environmental challenges as the body's largest protective organ and associated developments in biomaterials for wound healing. We first introduce the composition of skin tissue and the intricate processes of wound healing, with special attention to the crucial role of immunomodulation in both acute and chronic wounds. This highlights how the imbalance in the immune response, particularly in chronic wounds associated with underlying health conditions such as diabetes and immunosuppression, hinders normal healing stages. Then, this review distinguishes between traditional wound-healing strategies that create an optimal microenvironment and recent peptide-based biomaterials that modulate cellular processes and immune responses to facilitate wound closure. Additionally, we highlight the importance of considering the stages of wounds in the healing process. By integrating advanced materials engineering with an in-depth understanding of wound biology, this approach holds promise for reshaping the field of wound management and ultimately offering improved outcomes for patients with acute and chronic wounds.
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Affiliation(s)
- Ying Wang
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
- Toronto General Research Institute, University Health Network, Toronto, ON M5G 2C4 Canada
| | - Katrina Vizely
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON M5S 3E5, Canada
| | - Chen Yu Li
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON M5S 3E5, Canada
| | - Karen Shen
- Toronto General Research Institute, University Health Network, Toronto, ON M5G 2C4 Canada
| | - Amid Shakeri
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
- Toronto General Research Institute, University Health Network, Toronto, ON M5G 2C4 Canada
| | - Ramak Khosravi
- Toronto General Research Institute, University Health Network, Toronto, ON M5G 2C4 Canada
- Division of Cardiovascular and Thoracic Surgery, Department of Surgery, Duke University Medical Center, Durham, NC 27710, USA
| | - James Ryan Smith
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
| | | | - Yimu Zhao
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
- Toronto General Research Institute, University Health Network, Toronto, ON M5G 2C4 Canada
| | - Milica Radisic
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
- Toronto General Research Institute, University Health Network, Toronto, ON M5G 2C4 Canada
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON M5S 3E5, Canada
- Terrence Donnelly Centre for Cellular & Biomolecular Research, University of Toronto, Toronto, ON M5S 3E1, Canada
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Radloff K, Gutbier B, Dunne CM, Moradian H, Schwestka M, Gossen M, Ahrens K, Kneller L, Wang Y, Moga A, Gkionis L, Keil O, Fehring V, Tondera D, Giese K, Santel A, Kaufmann J, Witzenrath M. Cationic LNP-formulated mRNA expressing Tie2-agonist in the lung endothelium prevents pulmonary vascular leakage. MOLECULAR THERAPY. NUCLEIC ACIDS 2023; 34:102068. [PMID: 38034031 PMCID: PMC10682670 DOI: 10.1016/j.omtn.2023.102068] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 10/25/2023] [Indexed: 12/02/2023]
Abstract
Dysfunction of endothelial cells (ECs) lining the inner surface of blood vessels are causative for a number of diseases. Hence, the ability to therapeutically modulate gene expression within ECs is of high therapeutic value in treating diseases such as those associated with lung edema. mRNAs formulated with lipid nanoparticles (LNPs) have emerged as a new drug modality to induce transient protein expression for modulating disease-relevant signal transduction pathways. In the study presented here, we tested the effect of a novel synthetic, nucleoside-modified mRNA encoding COMP-Ang1 (mRNA-76) formulated into a cationic LNP on attenuating inflammation-induced vascular leakage. After intravenous injection, the respective mRNA was found to be delivered almost exclusively to the ECs of the lung, while sparing other vascular beds and bypassing the liver. The mode of action of mRNA-76, such as its activation of the Tie2 signal transduction pathway, was tested by pharmacological studies in vitro and in vivo in respective mouse models. mRNA-76 was found to prevent lung vascular leakage/lung edema as well as neutrophil infiltration in a lipopolysaccharide-challenging model.
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Affiliation(s)
| | - Birgitt Gutbier
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Infectious Diseases, Respiratory Medicine, and Critical Care, 10117 Berlin, Germany
| | | | - Hanieh Moradian
- Institute of Active Polymers, Helmholtz-Zentrum Hereon, 14513 Teltow, Germany
- Berlin-Brandenburg Center for Regenerative Therapies (BCRT) Charité Campus Virchow Klinikum, 13353 Berlin, Germany
| | - Marko Schwestka
- Institute of Active Polymers, Helmholtz-Zentrum Hereon, 14513 Teltow, Germany
- Berlin-Brandenburg Center for Regenerative Therapies (BCRT) Charité Campus Virchow Klinikum, 13353 Berlin, Germany
| | - Manfred Gossen
- Institute of Active Polymers, Helmholtz-Zentrum Hereon, 14513 Teltow, Germany
- Berlin-Brandenburg Center for Regenerative Therapies (BCRT) Charité Campus Virchow Klinikum, 13353 Berlin, Germany
| | - Katharina Ahrens
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Infectious Diseases, Respiratory Medicine, and Critical Care, 10117 Berlin, Germany
| | - Laura Kneller
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Infectious Diseases, Respiratory Medicine, and Critical Care, 10117 Berlin, Germany
| | - Yadong Wang
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Infectious Diseases, Respiratory Medicine, and Critical Care, 10117 Berlin, Germany
| | - Akanksha Moga
- Pantherna Therapeutics GmbH, 16761 Hennigsdorf, Germany
| | | | - Oliver Keil
- Pantherna Therapeutics GmbH, 16761 Hennigsdorf, Germany
| | | | | | - Klaus Giese
- Pantherna Therapeutics GmbH, 16761 Hennigsdorf, Germany
| | - Ansgar Santel
- Pantherna Therapeutics GmbH, 16761 Hennigsdorf, Germany
| | - Jörg Kaufmann
- Pantherna Therapeutics GmbH, 16761 Hennigsdorf, Germany
| | - Martin Witzenrath
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Infectious Diseases, Respiratory Medicine, and Critical Care, 10117 Berlin, Germany
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Ablooglu AJ, Desai A, Yoo JS, Park CH, Lee EA, Kim BY, Park H, Lee YA, Shim SR, Lee WS, Druey KM. A ligand-independent Tie2-activating antibody reduces vascular leakage in models of Clarkson disease. SCIENCE ADVANCES 2023; 9:eadi1394. [PMID: 37976351 PMCID: PMC10656064 DOI: 10.1126/sciadv.adi1394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 10/18/2023] [Indexed: 11/19/2023]
Abstract
Vascular dysfunction resulting from endothelial hyperpermeability is a common and important feature of critical illness due to sepsis, trauma, and other conditions associated with acute systemic inflammation. Clarkson disease [monoclonal gammopathy-associated idiopathic systemic capillary leak syndrome (ISCLS)] is a rare, orphan disorder marked by spontaneous and recurrent episodes of hypotensive shock and peripheral edema due to widespread vascular leakage in peripheral tissues. Mortality from acute flares approaches 30% due to lack of effective therapies. We evaluated a monoclonal antibody (4E2) specific for the endothelial receptor tyrosine kinase Tie2 in ISCLS models. 4E2 activated Tie2 in ISCLS patient-derived endothelial cells and reduced baseline and proinflammatory mediator-induced barrier dysfunction. 4E2 also reduced mortality and/or vascular leakage associated with systemic histamine challenge or influenza infection in the SJL/J mouse model of ISCLS. These findings support a critical role for Tie2 dysregulation in ISCLS and highlight a viable therapeutic approach to this catastrophic disorder.
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Affiliation(s)
- Ararat J. Ablooglu
- Lung and Vascular Inflammation Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Abhishek Desai
- Lung and Vascular Inflammation Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Jin-San Yoo
- R&D Center, PharmAbcine Inc., 70, Yuseong-daero 1689 beon-gil, Yuseong-gu, Daejeon, Republic of Korea
| | - Cheon Ho Park
- R&D Center, PharmAbcine Inc., 70, Yuseong-daero 1689 beon-gil, Yuseong-gu, Daejeon, Republic of Korea
| | - Eun-Ah Lee
- R&D Center, PharmAbcine Inc., 70, Yuseong-daero 1689 beon-gil, Yuseong-gu, Daejeon, Republic of Korea
| | - Bu Yeon Kim
- R&D Center, PharmAbcine Inc., 70, Yuseong-daero 1689 beon-gil, Yuseong-gu, Daejeon, Republic of Korea
| | - Hyunsun Park
- R&D Center, PharmAbcine Inc., 70, Yuseong-daero 1689 beon-gil, Yuseong-gu, Daejeon, Republic of Korea
| | - Young Ae Lee
- R&D Center, PharmAbcine Inc., 70, Yuseong-daero 1689 beon-gil, Yuseong-gu, Daejeon, Republic of Korea
| | - Sang Ryeol Shim
- R&D Center, PharmAbcine Inc., 70, Yuseong-daero 1689 beon-gil, Yuseong-gu, Daejeon, Republic of Korea
| | - Weon Sup Lee
- R&D Center, PharmAbcine Inc., 70, Yuseong-daero 1689 beon-gil, Yuseong-gu, Daejeon, Republic of Korea
| | - Kirk M. Druey
- Lung and Vascular Inflammation Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
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Sim HJ, Bhattarai G, Kim MH, So HS, Poudel SB, Cho ES, Kook SH, Lee JC. Local and Systemic Overexpression of COMP-Ang1 Induces Ang1/Tie2-Related Thrombocytopenia and SDF-1/CXCR4-Dependent Anemia. Stem Cells 2022; 41:93-104. [PMID: 36368017 PMCID: PMC9887089 DOI: 10.1093/stmcls/sxac080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Accepted: 11/03/2022] [Indexed: 11/13/2022]
Abstract
While supplemental angiopoietin-1 (Ang1) improves hematopoiesis, excessive Ang1 induces bone marrow (BM) impairment, hematopoietic stem cell (HSC) senescence, and erythropoietic defect. Here, we examined how excessive Ang1 disturbs hematopoiesis and explored whether hematopoietic defects were related to its level using K14-Cre;c-Ang1 and Col2.3-Cre;c-Ang1 transgenic mice that systemically and locally overexpress cartilage oligomeric matrix protein-Ang1, respectively. We also investigated the impacts of Tie2 inhibitor and AMD3100 on hematopoietic development. Transgenic mice exhibited excessive angiogenic phenotypes, but K14-Cre;c-Ang1 mice showed more severe defects in growth and life span with higher presence of Ang1 compared with Col2.3-Cre;c-Ang1 mice. Dissimilar to K14-Cre;c-Ang1 mice, Col2.3-Cre;c-Ang1 mice did not show impaired BM retention or senescence of HSCs, erythropoietic defect, or disruption of the stromal cell-derived factor 1 (SDF-1)/CXCR4 axis. However, these mice exhibited a defect in platelet production depending on the expression of Tie2 and globin transcription factor 1 (GATA-1), but not GATA-2, in megakaryocyte progenitor (MP) cells. Treatment with Tie2 inhibitor recovered GATA-1 expression in MP cells and platelet production without changes in circulating RBC in transgenic mice. Consecutive AMD3100 administration not only induced irrecoverable senescence of HSCs but also suppressed formation of RBC, but not platelets, via correlated decreases in number of erythroblasts and their GATA-1 expression in B6 mice. Our results indicate that genetic overexpression of Ang1 impairs hematopoietic development depending on its level, in which megakaryopoiesis is preferentially impaired via activation of Ang1/Tie2 signaling, whereas erythropoietic defect is orchestrated by HSC senescence, inflammation, and disruption of the SDF-1/CXCR4 axis.
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Affiliation(s)
- Hyun-Jaung Sim
- Cluster for Craniofacial Development and Regeneration Research, Institute of Oral Biosciences and School of Dentistry, Jeonbuk National University, Jeonju, South Korea,Department of Bioactive Material Sciences, Research Center of Bioactive Materials, Jeonbuk National University, Jeonju, South Korea
| | - Govinda Bhattarai
- Cluster for Craniofacial Development and Regeneration Research, Institute of Oral Biosciences and School of Dentistry, Jeonbuk National University, Jeonju, South Korea
| | - Min-Hye Kim
- Department of Bioactive Material Sciences, Research Center of Bioactive Materials, Jeonbuk National University, Jeonju, South Korea
| | - Han-Sol So
- Department of Bioactive Material Sciences, Research Center of Bioactive Materials, Jeonbuk National University, Jeonju, South Korea
| | - Sher Bahadur Poudel
- Department of Molecular Pathobiology, New York University College of Dentistry, New York, NY, USA
| | - Eui-Sic Cho
- Cluster for Craniofacial Development and Regeneration Research, Institute of Oral Biosciences and School of Dentistry, Jeonbuk National University, Jeonju, South Korea
| | - Sung-Ho Kook
- Cluster for Craniofacial Development and Regeneration Research, Institute of Oral Biosciences and School of Dentistry, Jeonbuk National University, Jeonju, South Korea,Department of Bioactive Material Sciences, Research Center of Bioactive Materials, Jeonbuk National University, Jeonju, South Korea
| | - Jeong-Chae Lee
- Corresponding author: Jeong-Chae Lee, PhD, School of Dentistry, Jeonbuk National University, Jeonju 54896, South Korea. Tel: +82 63 270 4049; Fax: +82 63 270 4004; ; or, Sung-Ho Kook, PhD, Research Center of Bioactive Materials, Jeonbuk National University, Jeonju 54896, South Korea. Tel: +82 63 270 3327; Fax: +82 63 270 4312; E-mail: ; or, Eui-Sic Cho, PhD, DDS, School of Dentistry, Jeonbuk National University, Jeonju 54896, South Korea. Tel: +82 63 270 4045; Fax: +82 63 270 4004;
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