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Turan A, Tarique M, Zhang L, Kazmi S, Ulker V, Tedla MG, Badal D, Yolcu ES, Shirwan H. Engineering Pancreatic Islets to Transiently Codisplay on Their Surface Thrombomodulin and CD47 Immunomodulatory Proteins as a Means of Mitigating Instant Blood-Mediated Inflammatory Reaction following Intraportal Transplantation. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:1971-1980. [PMID: 38709159 PMCID: PMC11160431 DOI: 10.4049/jimmunol.2300743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 04/01/2024] [Indexed: 05/07/2024]
Abstract
Most pancreatic islets are destroyed immediately after intraportal transplantation by an instant blood-mediated inflammatory reaction (IBMIR) generated through activation of coagulation, complement, and proinflammatory pathways. Thus, effective mitigation of IBMIR may be contingent on the combined use of agents targeting these pathways for modulation. CD47 and thrombomodulin (TM) are two molecules with distinct functions in regulating coagulation and proinflammatory responses. We previously reported that the islet surface can be modified with biotin for transient display of novel forms of these two molecules chimeric with streptavidin (SA), that is, thrombomodulin chimeric with SA (SA-TM) and CD47 chimeric with SA (SA-CD47), as single agents with improved engraftment following intraportal transplantation. This study aimed to test whether islets can be coengineered with SA-TM and SA-CD47 molecules as a combinatorial approach to improve engraftment by inhibiting IBMIR. Mouse islets were effectively coengineered with both molecules without a detectable negative impact on their viability and metabolic function. Coengineered islets were refractory to destruction by IBMIR ex vivo and showed enhanced engraftment and sustained function in a marginal mass syngeneic intraportal transplantation model. Improved engraftment correlated with a reduction in intragraft innate immune infiltrates, particularly neutrophils and M1 macrophages. Moreover, transcripts for various intragraft procoagulatory and proinflammatory agents, including tissue factor, HMGB1 (high-mobility group box-1), IL-1β, IL-6, TNF-α, IFN-γ, and MIP-1α, were significantly reduced in coengineered islets. These data demonstrate that the transient codisplay of SA-TM and SA-CD47 proteins on the islet surface is a facile and effective platform to modulate procoagulatory and inflammatory responses with implications for both autologous and allogeneic islet transplantation.
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Affiliation(s)
- Ali Turan
- Department of Pediatrics and Department of Molecular Microbiology and Immunology, NextGen Precision Health Institute, Ellis Fischel Cancer Center, University of Missouri, Columbia, MO
| | - Mohammad Tarique
- Department of Pediatrics and Department of Molecular Microbiology and Immunology, NextGen Precision Health Institute, Ellis Fischel Cancer Center, University of Missouri, Columbia, MO
| | - Lei Zhang
- Department of Pediatrics and Department of Molecular Microbiology and Immunology, NextGen Precision Health Institute, Ellis Fischel Cancer Center, University of Missouri, Columbia, MO
| | - Shadab Kazmi
- Department of Pediatrics and Department of Molecular Microbiology and Immunology, NextGen Precision Health Institute, Ellis Fischel Cancer Center, University of Missouri, Columbia, MO
| | - Vahap Ulker
- Department of Pediatrics and Department of Molecular Microbiology and Immunology, NextGen Precision Health Institute, Ellis Fischel Cancer Center, University of Missouri, Columbia, MO
| | - Mebrahtu G Tedla
- Department of Pediatrics and Department of Molecular Microbiology and Immunology, NextGen Precision Health Institute, Ellis Fischel Cancer Center, University of Missouri, Columbia, MO
| | - Darshan Badal
- Department of Pediatrics and Department of Molecular Microbiology and Immunology, NextGen Precision Health Institute, Ellis Fischel Cancer Center, University of Missouri, Columbia, MO
| | - Esma S Yolcu
- Department of Pediatrics and Department of Molecular Microbiology and Immunology, NextGen Precision Health Institute, Ellis Fischel Cancer Center, University of Missouri, Columbia, MO
| | - Haval Shirwan
- Department of Pediatrics and Department of Molecular Microbiology and Immunology, NextGen Precision Health Institute, Ellis Fischel Cancer Center, University of Missouri, Columbia, MO
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He Y, Cen Y, Tian M. Immunomodulatory hydrogels for skin wound healing: cellular targets and design strategy. J Mater Chem B 2024; 12:2435-2458. [PMID: 38284157 DOI: 10.1039/d3tb02626d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2024]
Abstract
Skin wounds significantly impact the global health care system and represent a significant burden on the economy and society due to their complicated dynamic healing processes, wherein a series of immune events are required to coordinate normal and sequential healing phases, involving multiple immunoregulatory cells such as neutrophils, macrophages, keratinocytes, and fibroblasts, since dysfunction of these cells may impede skin wound healing presenting persisting inflammation, impaired vascularization, and excessive collagen deposition. Therefore, cellular target-based immunomodulation is promising to promote wound healing as cells are the smallest unit of life in immune response. Recently, immunomodulatory hydrogels have become an attractive avenue to promote skin wound healing. However, a detailed and comprehensive review of cellular targets and related hydrogel design strategies remains lacking. In this review, the roles of the main immunoregulatory cells participating in skin wound healing are first discussed, and then we highlight the cellular targets and state-of-the-art design strategies for immunomodulatory hydrogels based on immunoregulatory cells that cover defect, infected, diabetic, burn and tumor wounds and related scar healing. Finally, we discuss the barriers that need to be addressed and future prospects to boost the development and prosperity of immunomodulatory hydrogels.
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Affiliation(s)
- Yinhai He
- Department of Plastic and Burn Surgery, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Ying Cen
- Department of Plastic and Burn Surgery, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Meng Tian
- Department of Neurosurgery and Neurosurgery Research Laboratory, West China Hospital, Sichuan University, Chengdu, 610041, China.
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Fishbein I, Inamdar VV, Alferiev IS, Bratinov G, Zviman MM, Yekhilevsky A, Nagaswami C, Gardiner KL, Levy RJ, Stachelek SJ. Hypercholesterolemia exacerbates in-stent restenosis in rabbits: Studies of the mitigating effect of stent surface modification with a CD47-derived peptide. Atherosclerosis 2024; 390:117432. [PMID: 38241977 PMCID: PMC10939830 DOI: 10.1016/j.atherosclerosis.2023.117432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 11/07/2023] [Accepted: 12/20/2023] [Indexed: 01/21/2024]
Abstract
BACKGROUND AND AIMS Hypercholesterolemia (HC) has previously been shown to augment the restenotic response in animal models and humans. However, the mechanistic aspects of in-stent restenosis (ISR) on a hypercholesterolemic background, including potential augmentation of systemic and local inflammation precipitated by HC, are not completely understood. CD47 is a transmembrane protein known to abort crucial inflammatory pathways. Our studies have examined the interrelation between HC, inflammation, and ISR and investigated the therapeutic potential of stents coated with a CD47-derived peptide (pepCD47) in the hypercholesterolemic rabbit model. METHODS PepCD47 was immobilized on metal foils and stents using polybisphosphonate coordination chemistry and pyridyldithio/thiol conjugation. Cytokine expression in buffy coat-derived cells cultured over bare metal (BM) and pepCD47-derivatized foils demonstrated an M2/M1 macrophage shift with pepCD47 coating. HC and normocholesterolemic (NC) rabbit cohorts underwent bilateral implantation of BM and pepCD47 stents (HC) or BM stents only (NC) in the iliac location. RESULTS A 40 % inhibition of cell attachment to pepCD47-modified compared to BM surfaces was observed. HC increased neointimal growth at 4 weeks post BM stenting. These untoward outcomes were mitigated in hypercholesterolemic rabbits treated with pepCD47-derivatized stents. Compared to NC animals, inflammatory cytokine immunopositivity and macrophage infiltration of peri-strut areas increased in HC animals and were attenuated in HC rabbits treated with pepCD47 stents. CONCLUSIONS Augmented inflammatory responses underlie severe ISR morphology in hypercholesterolemic rabbits. Blockage of initial platelet and leukocyte attachment to stent struts through CD47 functionalization of stents mitigates the pro-restenotic effects of hypercholesterolemia.
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Affiliation(s)
- Ilia Fishbein
- The Children's Hospital of Philadelphia, Philadelphia, PA, USA; University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA.
| | - Vaishali V Inamdar
- The Children's Hospital of Philadelphia, Philadelphia, PA, USA; Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Ivan S Alferiev
- The Children's Hospital of Philadelphia, Philadelphia, PA, USA; University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA
| | - George Bratinov
- The Children's Hospital of Philadelphia, Philadelphia, PA, USA; University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA
| | - Menekhem M Zviman
- The Children's Hospital of Philadelphia, Philadelphia, PA, USA; University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA
| | | | | | - Kristin L Gardiner
- University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA
| | - Robert J Levy
- The Children's Hospital of Philadelphia, Philadelphia, PA, USA; University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA
| | - Stanley J Stachelek
- The Children's Hospital of Philadelphia, Philadelphia, PA, USA; University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA
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Chen QD, Liu L, Zhao XH, Liang JB, Li SW. Challenges and opportunities in the islet transplantation microenvironment: a comprehensive summary of inflammatory cytokine, immune cells, and vascular endothelial cells. Front Immunol 2023; 14:1293762. [PMID: 38111575 PMCID: PMC10725940 DOI: 10.3389/fimmu.2023.1293762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 11/20/2023] [Indexed: 12/20/2023] Open
Abstract
It is now understood that islet transplantation serves as a β-cell replacement therapy for type 1 diabetes. Many factors impact the survival of transplanted islets, especially those related to the microenvironment. This review explored microenvironmental components, including vascular endothelial cells, inflammatory cytokines, and immune cells, and their profound effects on post-islet transplantation survival rates. Furthermore, it revealed therapeutic strategies aimed at targeting these elements. Current evidence suggests that vascular endothelial cells are pivotal in facilitating vascularization and nutrient supply and establishing a new microcirculation network for transplanted islets. Consequently, preserving the functionality of vascular endothelial cells emerges as a crucial strategy to enhance the survival of islet transplantation. Release of cytokines will lead to activation of immune cells and production and release of further cytokines. While immune cells hold undeniable significance in regulating immune responses, their activation can result in rejection reactions. Thus, establishing immunological tolerance within the recipient's body is essential for sustaining graft functionality. Indeed, future research endeavors should be directed toward developing precise strategies for modulating the microenvironment to achieve higher survival rates and more sustained transplantation outcomes. While acknowledging certain limitations inherent to this review, it provides valuable insights that can guide further exploration in the field of islet transplantation. In conclusion, the microenvironment plays a paramount role in islet transplantation. Importantly, we discuss novel perspectives that could lead to broader clinical applications and improved patient outcomes in islet transplantation.
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Affiliation(s)
- Qi-dong Chen
- Taizhou Hospital, Zhejiang University School of Medicine, Taizhou, Zhejiang, China
| | - Long Liu
- Department of Hepatobiliary and Pancreatic Surgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Xiao-hong Zhao
- Department of Pharmacy, Taizhou Hospital, Zhejiang University , Taizhou, Zhejiang, China
| | - Jun-bo Liang
- Taizhou Hospital, Zhejiang University School of Medicine, Taizhou, Zhejiang, China
| | - Shao-wei Li
- Department of Gastroenterology, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Linhai, Zhejiang, China
- Key Laboratory of Minimally Invasive Techniques & Rapid Rehabilitation of Digestive System Tumor of Zhejiang Province, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, Zhejiang, China
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Miron A, Giurcaneanu C, Mihai MM, Beiu C, Voiculescu VM, Popescu MN, Soare E, Popa LG. Antimicrobial Biomaterials for Chronic Wound Care. Pharmaceutics 2023; 15:1606. [PMID: 37376055 DOI: 10.3390/pharmaceutics15061606] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 05/09/2023] [Accepted: 05/25/2023] [Indexed: 06/29/2023] Open
Abstract
Chronic wounds encompass a myriad of lesions, including venous and arterial leg ulcers, diabetic foot ulcers (DFUs), pressure ulcers, non-healing surgical wounds and others. Despite the etiological differences, chronic wounds share several features at a molecular level. The wound bed is a convenient environment for microbial adherence, colonization and infection, with the initiation of a complex host-microbiome interplay. Chronic wound infections with mono- or poly-microbial biofilms are frequent and their management is challenging due to tolerance and resistance to antimicrobial therapy (systemic antibiotic or antifungal therapy or antiseptic topicals) and to the host's immune defense mechanisms. The ideal dressing should maintain moisture, allow water and gas permeability, absorb wound exudates, protect against bacteria and other infectious agents, be biocompatible, be non-allergenic, be non-toxic and biodegradable, be easy to use and remove and, last but not least, it should be cost-efficient. Although many wound dressings possess intrinsic antimicrobial properties acting as a barrier to pathogen invasion, adding anti-infectious targeted agents to the wound dressing may increase their efficiency. Antimicrobial biomaterials may represent a potential substitute for systemic treatment of chronic wound infections. In this review, we aim to describe the available types of antimicrobial biomaterials for chronic wound care and discuss the host response and the spectrum of pathophysiologic changes resulting from the contact between biomaterials and host tissues.
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Affiliation(s)
- Adrian Miron
- Department of General Surgery, Elias Emergency University Hospital, Carol Davila University of Medicine and Pharmacy, No. 37 Dionisie Lupu Str., 030167 Bucharest, Romania
- Clinic of General Surgery, Elias Emergency University Hospital, No. 17 Marasti Blvd., 011461 Bucharest, Romania
| | - Calin Giurcaneanu
- Department of Oncologic Dermatology, Elias Emergency University Hospital, Carol Davila University of Medicine and Pharmacy, No. 37 Dionisie Lupu Str., 030167 Bucharest, Romania
- Clinic of Dermatology, Elias Emergency University Hospital, No. 17 Marasti Blvd., 011461 Bucharest, Romania
| | - Mara Madalina Mihai
- Department of Oncologic Dermatology, Elias Emergency University Hospital, Carol Davila University of Medicine and Pharmacy, No. 37 Dionisie Lupu Str., 030167 Bucharest, Romania
- Clinic of Dermatology, Elias Emergency University Hospital, No. 17 Marasti Blvd., 011461 Bucharest, Romania
- Department of Microbiology, Faculty of Biology, ICUB-Research Institute, University of Bucharest, No. 90 Panduri Str., 050663 Bucharest, Romania
| | - Cristina Beiu
- Department of Oncologic Dermatology, Elias Emergency University Hospital, Carol Davila University of Medicine and Pharmacy, No. 37 Dionisie Lupu Str., 030167 Bucharest, Romania
- Clinic of Dermatology, Elias Emergency University Hospital, No. 17 Marasti Blvd., 011461 Bucharest, Romania
| | - Vlad Mihai Voiculescu
- Department of Oncologic Dermatology, Elias Emergency University Hospital, Carol Davila University of Medicine and Pharmacy, No. 37 Dionisie Lupu Str., 030167 Bucharest, Romania
- Clinic of Dermatology, Elias Emergency University Hospital, No. 17 Marasti Blvd., 011461 Bucharest, Romania
| | - Marius Nicolae Popescu
- Department of Microbiology, Faculty of Biology, ICUB-Research Institute, University of Bucharest, No. 90 Panduri Str., 050663 Bucharest, Romania
- Department of Physical and Rehabilitation Medicine, Carol Davila University of Medicine and Pharmacy, No. 37 Dionisie Lupu Str., 030167 Bucharest, Romania
- Clinic of Physical and Rehabilitation Medicine, Elias Emergency University Hospital, No. 17 Marasti Blvd., 011461 Bucharest, Romania
| | - Elena Soare
- Department of Oncologic Dermatology, Elias Emergency University Hospital, Carol Davila University of Medicine and Pharmacy, No. 37 Dionisie Lupu Str., 030167 Bucharest, Romania
| | - Liliana Gabriela Popa
- Department of Oncologic Dermatology, Elias Emergency University Hospital, Carol Davila University of Medicine and Pharmacy, No. 37 Dionisie Lupu Str., 030167 Bucharest, Romania
- Clinic of Dermatology, Elias Emergency University Hospital, No. 17 Marasti Blvd., 011461 Bucharest, Romania
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Muire PJ, Thompson MA, Christy RJ, Natesan S. Advances in Immunomodulation and Immune Engineering Approaches to Improve Healing of Extremity Wounds. Int J Mol Sci 2022; 23:ijms23084074. [PMID: 35456892 PMCID: PMC9032453 DOI: 10.3390/ijms23084074] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 04/01/2022] [Accepted: 04/03/2022] [Indexed: 12/04/2022] Open
Abstract
Delayed healing of traumatic wounds often stems from a dysregulated immune response initiated or exacerbated by existing comorbidities, multiple tissue injury or wound contamination. Over decades, approaches towards alleviating wound inflammation have been centered on interventions capable of a collective dampening of various inflammatory factors and/or cells. However, a progressive understanding of immune physiology has rendered deeper knowledge on the dynamic interplay of secreted factors and effector cells following an acute injury. There is a wide body of literature, both in vitro and in vivo, abstracted on the immunomodulatory approaches to control inflammation. Recently, targeted modulation of the immune response via biotechnological approaches and biomaterials has gained attention as a means to restore the pro-healing phenotype and promote tissue regeneration. In order to fully realize the potential of these approaches in traumatic wounds, a critical and nuanced understanding of the relationships between immune dysregulation and healing outcomes is needed. This review provides an insight on paradigm shift towards interventional approaches to control exacerbated immune response following a traumatic injury from an agonistic to a targeted path. We address such a need by (1) providing a targeted discussion of the wound healing processes to assist in the identification of novel therapeutic targets and (2) highlighting emerging technologies and interventions that utilize an immunoengineering-based approach. In addition, we have underscored the importance of immune engineering as an emerging tool to provide precision medicine as an option to modulate acute immune response following a traumatic injury. Finally, an overview is provided on how an intervention can follow through a successful clinical application and regulatory pathway following laboratory and animal model evaluation.
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Li R, Liu K, Huang X, Li D, Ding J, Liu B, Chen X. Bioactive Materials Promote Wound Healing through Modulation of Cell Behaviors. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2105152. [PMID: 35138042 PMCID: PMC8981489 DOI: 10.1002/advs.202105152] [Citation(s) in RCA: 81] [Impact Index Per Article: 40.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/24/2021] [Indexed: 05/13/2023]
Abstract
Skin wound repair is a multistage process involving multiple cellular and molecular interactions, which modulate the cell behaviors and dynamic remodeling of extracellular matrices to maximize regeneration and repair. Consequently, abnormalities in cell functions or pathways inevitably give rise to side effects, such as dysregulated inflammation, hyperplasia of nonmigratory epithelial cells, and lack of response to growth factors, which impedes angiogenesis and fibrosis. These issues may cause delayed wound healing or even non-healing states. Current clinical therapeutic approaches are predominantly dedicated to preventing infections and alleviating topical symptoms rather than addressing the modulation of wound microenvironments to achieve targeted outcomes. Bioactive materials, relying on their chemical, physical, and biological properties or as carriers of bioactive substances, can affect wound microenvironments and promote wound healing at the molecular level. By addressing the mechanisms of wound healing from the perspective of cell behaviors, this review discusses how bioactive materials modulate the microenvironments and cell behaviors within the wounds during the stages of hemostasis, anti-inflammation, tissue regeneration and deposition, and matrix remodeling. A deeper understanding of cell behaviors during wound healing is bound to promote the development of more targeted and efficient bioactive materials for clinical applications.
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Affiliation(s)
- Ruotao Li
- Department of Hand and Foot SurgeryThe First Hospital of Jilin University1 Xinmin StreetChangchun130065P. R. China
- Key Laboratory of Polymer EcomaterialsChangchun Institute of Applied ChemistryChinese Academy of Sciences5625 Renmin StreetChangchun130022P. R. China
| | - Kai Liu
- Department of Hand and Foot SurgeryThe First Hospital of Jilin University1 Xinmin StreetChangchun130065P. R. China
- Key Laboratory of Polymer EcomaterialsChangchun Institute of Applied ChemistryChinese Academy of Sciences5625 Renmin StreetChangchun130022P. R. China
| | - Xu Huang
- Key Laboratory of Polymer EcomaterialsChangchun Institute of Applied ChemistryChinese Academy of Sciences5625 Renmin StreetChangchun130022P. R. China
- Department of Hepatobiliary and Pancreatic SurgeryThe First Hospital of Jilin University1 Xinmin StreetChangchun130065P. R. China
| | - Di Li
- Department of Hepatobiliary and Pancreatic SurgeryThe First Hospital of Jilin University1 Xinmin StreetChangchun130065P. R. China
| | - Jianxun Ding
- Key Laboratory of Polymer EcomaterialsChangchun Institute of Applied ChemistryChinese Academy of Sciences5625 Renmin StreetChangchun130022P. R. China
| | - Bin Liu
- Department of Hand and Foot SurgeryThe First Hospital of Jilin University1 Xinmin StreetChangchun130065P. R. China
| | - Xuesi Chen
- Key Laboratory of Polymer EcomaterialsChangchun Institute of Applied ChemistryChinese Academy of Sciences5625 Renmin StreetChangchun130022P. R. China
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Shi Y, Lu A, Wang X, Belhadj Z, Wang J, Zhang Q. A review of existing strategies for designing long-acting parenteral formulations: Focus on underlying mechanisms, and future perspectives. Acta Pharm Sin B 2021; 11:2396-2415. [PMID: 34522592 PMCID: PMC8424287 DOI: 10.1016/j.apsb.2021.05.002] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 03/03/2021] [Accepted: 03/12/2021] [Indexed: 12/14/2022] Open
Abstract
The need for long-term treatments of chronic diseases has motivated the widespread development of long-acting parenteral formulations (LAPFs) with the aim of improving drug pharmacokinetics and therapeutic efficacy. LAPFs have been proven to extend the half-life of therapeutics, as well as to improve patient adherence; consequently, this enhances the outcome of therapy positively. Over past decades, considerable progress has been made in designing effective LAPFs in both preclinical and clinical settings. Here we review the latest advances of LAPFs in preclinical and clinical stages, focusing on the strategies and underlying mechanisms for achieving long acting. Existing strategies are classified into manipulation of in vivo clearance and manipulation of drug release from delivery systems, respectively. And the current challenges and prospects of each strategy are discussed. In addition, we also briefly discuss the design principles of LAPFs and provide future perspectives of the rational design of more effective LAPFs for their further clinical translation.
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Key Words
- 2′-F, 2′-fluoro
- 2′-O-MOE, 2′-O-(2-methoxyethyl)
- 2′-OMe, 2′-O-methyl
- 3D, three-dimensional
- ART, antiretroviral therapy
- ASO, antisense oligonucleotide
- Biomimetic strategies
- Chemical modification
- DDS, drug delivery systems
- ECM, extracellular matrix
- ENA, ethylene-bridged nucleic acid
- ESC, enhanced stabilization chemistry
- EVA, ethylene vinyl acetate
- Fc/HSA fusion
- FcRn, Fc receptor
- GLP-1, glucagon like peptide-1
- GS, glycine–serine
- HA, hyaluronic acid
- HES, hydroxy-ethyl-starch
- HP, hypoparathyroidism
- HSA, human serum albumin
- Hydrogels
- ISFI, in situ forming implants
- IgG, immunoglobulin G
- Implantable systems
- LAFs, long-acting formulations
- LAPFs, long-acting parenteral formulations
- LNA, locked nucleic acid
- Long-acting
- MNs, microneedles
- Microneedles
- NDS, nanochannel delivery system
- NPs, nanoparticles
- Nanocrystal suspensions
- OA, osteoarthritis
- PCPP-SA, poly(1,3-bis(carboxyphenoxy)propane-co-sebacic-acid)
- PEG, polyethylene glycol
- PM, platelet membrane
- PMPC, poly(2-methyacryloyloxyethyl phosphorylcholine)
- PNAs, peptide nucleic acids
- PS, phase separation
- PSA, polysialic acid
- PTH, parathyroid hormone
- PVA, polyvinyl alcohol
- RBCs, red blood cells
- RES, reticuloendothelial system
- RNAi, RNA interference
- SAR, structure‒activity relationship
- SCID, severe combined immunodeficiency
- SE, solvent extraction
- STC, standard template chemistry
- TNFR2, tumor necrosis factor receptor 2
- hGH, human growth hormone
- im, intramuscular
- iv, intravenous
- mPEG, methoxypolyethylene glycol
- sc, subcutaneous
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Affiliation(s)
- Yujie Shi
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - An Lu
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Xiangyu Wang
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Zakia Belhadj
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Jiancheng Wang
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Qiang Zhang
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
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Shrestha P, Batra L, Tariq Malik M, Tan M, Yolcu ES, Shirwan H. Immune checkpoint CD47 molecule engineered islets mitigate instant blood-mediated inflammatory reaction and show improved engraftment following intraportal transplantation. Am J Transplant 2020; 20:2703-2714. [PMID: 32342638 DOI: 10.1111/ajt.15958] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 03/18/2020] [Accepted: 04/13/2020] [Indexed: 01/25/2023]
Abstract
Instant blood-mediated inflammatory reaction (IBMIR) causes significant destruction of islets transplanted intraportally. Myeloid cells are a major culprit of IBMIR. Given the critical role of CD47 as a negative checkpoint for myeloid cells, we hypothesized that the presence of CD47 on islets will minimize graft loss by mitigating IBMIR. We herein report the generation of a chimeric construct, SA-CD47, encompassing the extracellular domain of CD47 modified to include core streptavidin (SA). SA-CD47 protein was expressed in insect cells and efficiently displayed on biotin-modified mouse islet surface without a negative impact on their viability and function. Rat cells engineered with SA-CD47 were refractory to phagocytosis by mouse macrophages. SA-CD47-engineered islets showed intact structure and minimal infiltration by CD11b+ granulocytes/macrophages as compared with SA-engineered controls in an in vitro loop assay mitigating IBMIR. In a syngeneic marginal mass model of intraportal transplantation, SA-CD47-engineered islets showed better engraftment and function as compared with the SA-control group (87.5% vs 14.3%). Engraftment was associated with low levels of intrahepatic inflammatory cells and mediators of islet destruction, including high-mobility group box-1, tissue factor, and IL-1β. These findings support the use of CD47 as an innate immune checkpoint to mitigate IBMIR for enhanced islet engraftment with translational potential.
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Affiliation(s)
- Pradeep Shrestha
- Institute for Cellular Therapeutics and Department of Microbiology and Immunology, School of Medicine, University of Louisville, Louisville, Kentucky, USA
| | - Lalit Batra
- Institute for Cellular Therapeutics and Department of Microbiology and Immunology, School of Medicine, University of Louisville, Louisville, Kentucky, USA
| | - Mohammad Tariq Malik
- Institute for Cellular Therapeutics and Department of Microbiology and Immunology, School of Medicine, University of Louisville, Louisville, Kentucky, USA
| | - Min Tan
- Institute for Cellular Therapeutics and Department of Microbiology and Immunology, School of Medicine, University of Louisville, Louisville, Kentucky, USA
| | - Esma S Yolcu
- Institute for Cellular Therapeutics and Department of Microbiology and Immunology, School of Medicine, University of Louisville, Louisville, Kentucky, USA
- Department of Child Health, School of Medicine, University of Missouri, Columbia, Missouri, USA
| | - Haval Shirwan
- Institute for Cellular Therapeutics and Department of Microbiology and Immunology, School of Medicine, University of Louisville, Louisville, Kentucky, USA
- Department of Child Health, School of Medicine, University of Missouri, Columbia, Missouri, USA
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Zhang Q, Stachelek SJ, Inamdar VV, Alferiev I, Nagaswami C, Weisel JW, Hwang JH, Meyerhoff ME. Studies of combined NO-eluting/CD47-modified polyurethane surfaces for synergistic enhancement of biocompatibility. Colloids Surf B Biointerfaces 2020; 192:111060. [PMID: 32450498 PMCID: PMC7572543 DOI: 10.1016/j.colsurfb.2020.111060] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 03/15/2020] [Accepted: 04/13/2020] [Indexed: 12/22/2022]
Abstract
The blood compatibility of various intravascular (IV) devices (e.g., catheters, sensors, etc.) is compromised by activation of platelets that can cause thrombus formation and device failure. Such devices also carry a high risk of microbial infection. Recently, nitric oxide (NO) releasing polymers/devices have been proposed to reduce these clinical problems. CD47, a ubiquitously expressed transmembrane protein with proven anti-inflammation/anti-platelet properties when immobilized on polymeric surfaces, is a good candidate to complement NO release in both effectiveness and longevity. In this work, we successfully appended CD47 peptides (pepCD47) to the surface of biomedical grade polyurethane (PU) copolymers. SIRPα binding and THP-1 cell attachment experiments strongly suggested that the pepCD47 retains its biological properties when bound to PU films. In spite of the potentially high reactivity of NO toward various amino acid residues in CD47, the efficacy of surface-immobilized pepCD47 to prevent inflammatory cell attachment was not inhibited after being subjected to a high flux of NO for three days, demonstrating excellent compatibility of the two species. We further constructed a CD47 surface immobilized silicone tubing filled with NO releasing S-nitrosoglutathione/ascorbic acid (GSNO/AA) solution for synergistic biocompatibility evaluation. Via an ex vivo Chandler loop model, we demonstrate for the first time that NO release and CD47 modification could function synergistically at the blood/material interface and produce greatly enhanced anti-inflammatory/anti-platelet effects. This concept should be readily implementable to create a new generation of thromboresistant/antimicrobial implantable devices.
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Affiliation(s)
- Qi Zhang
- Department of Chemistry, The University of Michigan, Ann Arbor, MI 48109-1055, United States
| | - Stanley J Stachelek
- Division of Cardiology-Department of Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, PA, 19104, United States; Perelman School of Medicine, The University of Pennsylvania, Philadelphia, PA, 19104, United States
| | - Vaishali V Inamdar
- Division of Cardiology-Department of Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, PA, 19104, United States; Perelman School of Medicine, The University of Pennsylvania, Philadelphia, PA, 19104, United States
| | - Ivan Alferiev
- Division of Cardiology-Department of Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, PA, 19104, United States; Perelman School of Medicine, The University of Pennsylvania, Philadelphia, PA, 19104, United States
| | - Chandrasekaran Nagaswami
- Department of Cell and Developmental Biology, Perelman School of Medicine, The University of Pennsylvania, Philadelphia, PA, 19104, United States
| | - John W Weisel
- Department of Cell and Developmental Biology, Perelman School of Medicine, The University of Pennsylvania, Philadelphia, PA, 19104, United States
| | - Jeong Hyun Hwang
- Department of Chemistry, The University of Michigan, Ann Arbor, MI 48109-1055, United States
| | - Mark E Meyerhoff
- Department of Chemistry, The University of Michigan, Ann Arbor, MI 48109-1055, United States
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11
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Inamdar VV, Fitzpatrick E, Alferiev I, Nagaswami C, Spruce LA, Fazelinia H, Bratinov G, Seeholzer SH, Levy RJ, Fishbein I, Stachelek SJ. Stability and bioactivity of pepCD47 attachment on stainless steel surfaces. Acta Biomater 2020; 104:231-240. [PMID: 31935523 DOI: 10.1016/j.actbio.2019.12.039] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 12/16/2019] [Accepted: 12/30/2019] [Indexed: 12/30/2022]
Abstract
In-stent restenosis (ISR) and late stent thrombosis are the major complications associated with the use of metal stents and drug eluting stents respectively. Our lab previously investigated the use of peptide CD47 in improving biocompatibility of bare metal stents in a rat carotid stent model and our results demonstrated a significant reduction in platelet deposition and ISR. However, this study did not characterize the stability of the pepCD47 on metal surfaces post storage, sterilization and deployment. Thus, the objective of the present study was 1) to test the stability of the peptide post - storage, sterilization, exposure to shear and mechanical stress and 2) to begin to expand our current knowledge of pepCD47 coated metal surfaces into the preclinical large animal rabbit model. Our results show that the maximum immobilization density of pepCD47 on metal surfaces is approximately 350 ng/cm2. 100% of the pepCD47 was retained on the metal surface post 24 weeks of storage at 4 °C, exposure to physiological shear stress, and mechanical stress of stent expansion. The bioactivity of the pepCD47 was found to be intact post 24 weeks of storage and ethylene oxide sterilization. Finally our ex vivo studies demonstrated that compared to bare metal the rabbit pepCD47 coated surfaces showed - 45% reduced platelet adhesion, a 10-fold decrease in platelet activation, and 93% endothelial cell retention. Thus, our data suggests that pepCD47 coating on metal surfaces is stable and rabbit pepCD47 shows promising preliminary results in preventing thrombosis and not inhibiting the growth of endothelial cells. STATEMENT OF SIGNIFICANCE: Biocompatibility of bare metal stents is a major challenge owing to the significantly high rates of in-stent restenosis. Previously we demonstrated that peptide CD47 functionalization improves the biocompatibility of bare metal stents in rat model. A similar trend was observed in our ex vivo studies where rabbit blood was perfused over the rabbit pepCD47 functionalized surfaces. These results provide valuable proof of concept data for future in vivo rabbit model studies. In addition, we investigated stability of the pepCD47 on metal surface and observed that pepCD47 coating is stable over time and resistant to industrially relevant pragmatic challenges.
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Affiliation(s)
- Vaishali V Inamdar
- Division of Cardiology-Department of Pediatrics, The Children's Hospital of Philadelphia, United States
| | - Emmett Fitzpatrick
- Division of Cardiology-Department of Pediatrics, The Children's Hospital of Philadelphia, United States
| | - Ivan Alferiev
- Division of Cardiology-Department of Pediatrics, The Children's Hospital of Philadelphia, United States; The Proteomics Core Facility, The Children's Hospital of Philadelphia, Research Insititute, United States
| | - Chandrasekaran Nagaswami
- Perelman School of Medicine, The University of Pennsylvania, United States; Department of Cell and Developmental Biology, Perelman School of Medicine, The University of Pennsylvania, United States
| | - Lynn A Spruce
- The Proteomics Core Facility, The Children's Hospital of Philadelphia, Research Insititute, United States
| | - Hossein Fazelinia
- The Proteomics Core Facility, The Children's Hospital of Philadelphia, Research Insititute, United States
| | - George Bratinov
- Division of Orthopedics-Department of Pediatrics, The Children's Hospital of Philadelphia, United States
| | - Steven H Seeholzer
- The Proteomics Core Facility, The Children's Hospital of Philadelphia, Research Insititute, United States
| | - Robert J Levy
- Division of Cardiology-Department of Pediatrics, The Children's Hospital of Philadelphia, United States; Perelman School of Medicine, The University of Pennsylvania, United States
| | - Ilia Fishbein
- Division of Cardiology-Department of Pediatrics, The Children's Hospital of Philadelphia, United States; Perelman School of Medicine, The University of Pennsylvania, United States.
| | - Stanley J Stachelek
- Division of Cardiology-Department of Pediatrics, The Children's Hospital of Philadelphia, United States; Perelman School of Medicine, The University of Pennsylvania, United States.
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12
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Alyafei HFSG, Fu W, Zalnezhad E, Jaber F, Hamouda AMS, Musharavati F, Bae S. Properties Investigation of GO/HA/Pt Composite Thin Film. BIOMED RESEARCH INTERNATIONAL 2019; 2019:4847932. [PMID: 31321236 PMCID: PMC6610737 DOI: 10.1155/2019/4847932] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/23/2019] [Revised: 04/23/2019] [Accepted: 05/22/2019] [Indexed: 11/24/2022]
Abstract
Hydroxyapatite/graphene oxide/platinum (HA/GO/Pt) nanocomposite was synthesized and electrodeposited on a pure zirconium substrate. The coated zirconium was annealed at 200, 300, 400, and 600°C in vacuum furnace in presence of argon gas. The structure and morphology of the coated samples were characterized. Biocompatibility and wear and corrosion resistances of specimens were examined. The result of corrosion tests shows that the graphene into HA/Pt composites significantly improves their corrosion resistance. The wear tests results of uncoated and coated samples before and after annealing show that coated samples annealed at 300°C had better wear resistance compared with uncoated and coated samples at other temperatures. Furthermore, the biocompatibility test shows that the coatings improved the cell attachment and proliferation compared to the pure zirconium substrate.
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Affiliation(s)
- Huda F. S. G. Alyafei
- Mechanical and Industrial Engineering Department, College of Engineering, Qatar University, 2713 Doha, Qatar
| | - W. Fu
- Department of Mechanical Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 133-791, Republic of Korea
| | - E. Zalnezhad
- Department of Mechanical Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 133-791, Republic of Korea
- Biomechacin LLC, San Antonio, TX 78251, USA
| | - F. Jaber
- Department of Biomedical Engineering, Ajman University, UAE
| | - A. M. S. Hamouda
- Mechanical and Industrial Engineering Department, College of Engineering, Qatar University, 2713 Doha, Qatar
| | - F. Musharavati
- Mechanical and Industrial Engineering Department, College of Engineering, Qatar University, 2713 Doha, Qatar
| | - S. Bae
- Department of Architectural Engineering, Hanyang University, Seoul 04763, Republic of Korea
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13
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Hardersen R, Enebakk T, Christiansen D, Bergseth G, Brekke OL, Mollnes TE, Lappegård KT, Hovland A. Granulocyte and monocyte CD11b expression during plasma separation is dependent on complement factor 5 (C5) - an ex vivo study with blood from a C5-deficient individual. APMIS 2018; 126:342-352. [PMID: 29575196 DOI: 10.1111/apm.12821] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Accepted: 01/21/2018] [Indexed: 12/18/2022]
Abstract
The aim of the study was to investigate the role of complement factor 5 (C5) in reactions elicited by plasma separation using blood from a C5-deficient (C5D) individual, comparing it to C5-deficient blood reconstituted with C5 (C5DR) and blood from healthy donors. Blood was circulated through an ex vivo plasma separation model. Leukocyte CD11b expression and leukocyte-platelet conjugates were measured by flow cytometry during a 30-min period. Other markers were assessed during a 240-min period. Granulocyte and monocyte CD11b expression did not increase in C5D blood during plasma separation. In C5DR samples granulocytes CD11b expression, measured by mean fluorescence intensity (MFI), increased from 10481 ± 6022 (SD) to 62703 ± 4936, and monocytes CD11b expression changed from 13837 ± 7047 to 40063 ± 713. Granulocyte-platelet conjugates showed a 2.5-fold increase in the C5DR sample compared to the C5D sample. Monocyte-platelet conjugates increased independently of C5. In the C5D samples, platelet count decreased from 210 × 109 /L (201-219) (median and range) to 51 × 109 /L (50-51), and C3bc increased from 14 CAU/mL (21-7) to 198 CAU/mL (127-269), whereas TCC formation was blocked during plasma separation. In conclusion, up-regulation of granulocyte and monocyte CD11b during plasma separation was C5-dependent. The results also indicate C5 dependency in granulocyte-platelet conjugates formation.
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Affiliation(s)
- Randolf Hardersen
- Department of Nephrology, Division of Internal Medicine, Nordland Hospital, Bodø, Norway
| | - Terje Enebakk
- Department of Nephrology, Division of Internal Medicine, Nordland Hospital, Bodø, Norway
| | | | | | - Ole-Lars Brekke
- Institute of Clinical Medicine and K. G. Jebsen TREC, University of Tromsø, Tromsø, Norway.,Department of Laboratory Medicine, Nordland Hospital, Bodø, Norway
| | - Tom Eirik Mollnes
- Research Laboratory, Nordland Hospital, Bodø, Norway.,Institute of Clinical Medicine and K. G. Jebsen TREC, University of Tromsø, Tromsø, Norway.,Centre of Molecular Inflammation Research, Norwegian University of Science and Technology, Trondheim, Norway.,K.J. Jebsen Inflammation Research Centre, University of Oslo, Oslo, Norway.,Department of Immunology, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Knut Tore Lappegård
- Institute of Clinical Medicine and K. G. Jebsen TREC, University of Tromsø, Tromsø, Norway.,Department of Cardiology, Division of Internal Medicine, Nordland Hospital, Bodø, Norway
| | - Anders Hovland
- Institute of Clinical Medicine and K. G. Jebsen TREC, University of Tromsø, Tromsø, Norway.,Department of Cardiology, Division of Internal Medicine, Nordland Hospital, Bodø, Norway
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14
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Yang L, Han L, Liu Q, Xu Y, Jia L. Galloyl groups-regulated fibrinogen conformation: Understanding antiplatelet adhesion on tannic acid coating. Acta Biomater 2017; 64:187-199. [PMID: 28958718 DOI: 10.1016/j.actbio.2017.09.034] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Revised: 09/01/2017] [Accepted: 09/25/2017] [Indexed: 12/20/2022]
Abstract
Fibrinogen (Fgn) has been identified as the key protein in the process of biomaterial-induced platelet adhesion. We have recently reported a facile and effective method for constructing platelet-repellent surface using a natural polyphenol component tannic acid (TA). However, the mechanism by which the TA surface repels platelets was not fully understood. To address this issue, we investigated the adsorption of Fgn (amount and conformation) on four TA-functionalized surfaces with different amounts of galloyl groups and the potential for platelet adherence on these surfaces. The experimental results indicated that the four TA-functionalized surfaces adsorbed a similar amount of Fgn, but the conformation and bioactivity of the adsorbed Fgn and the subsequent platelet adherence were quite different among the surfaces. The TA surface with the most galloyl groups induced minimal changes in the conformation of Fgn, a result of the α and γ chains of the adsorbed Fgn being highly inactive on the surface, thus leading to an outstanding antiplatelet adhesion performance. With a decreased amount of galloyl groups, the activity of the α chain in the adsorbed Fgn remained unchanged, but the activity of the γ chain and the extent of platelet adhesion gradually increased. This work provided a new concept for controlling platelet adhesion on solid materials, and we envision that the TA film could have potential applications in the development of new blood-contacting biomaterials in the future. STATEMENT OF SIGNIFICANCE Reducing platelet adhesion on material surfaces is of tremendous scientific interest in the field of blood-contacting biomaterials, but it remains a big challenge due to the highly adhesive nature of the platelets. In this study, we demonstrated for the first time that tannic acid surface with abundant galloyl groups could induce minimal conformational changes of fibrinogen, eventually leading to an outstanding antiplatelet adhesion effect. In addition, the platelet adhesion response could be easily controlled through regulating the amount of galloyl groups on the surface. This work provided a new strategy for controlling platelet adhesion on solid materials, which was totally different from existing methods such as construction of physically patterned surfaces, modification of inert hydrophilic polymers or appending bioactive moieties to target surfaces.
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15
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Brown BN, Haschak MJ, Lopresti ST, Stahl EC. Effects of age-related shifts in cellular function and local microenvironment upon the innate immune response to implants. Semin Immunol 2017; 29:24-32. [PMID: 28539184 DOI: 10.1016/j.smim.2017.05.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Revised: 04/18/2017] [Accepted: 05/11/2017] [Indexed: 12/14/2022]
Abstract
The host macrophage response is now well recognized as a predictor of the success or failure of biomaterial implants following placement. More specifically, shifts from an "M1" pro-inflammatory towards a more "M2-like" anti-inflammatory macrophage polarization profile have been shown to result in enhanced material integration and/or tissue regeneration downstream. As a result, a number of biomaterials-based approaches to controlling macrophage polarization have been developed. However, the ability to promote such activity is predicated upon an in-depth, context-dependent understanding of the host response to biomaterials. Recent work has shown the impacts of both tissue location and tissue status (i.e. underlying pathology) upon the host innate immune response to implants, representing a departure from a focus upon implant material composition and form. Thus, the ideas of "biocompatibility," the host macrophage reaction, and ideal material requirements and modification strategies may need to be revisited on a patient, tissue, and disease basis. Immunosenescence, dysregulation of macrophage function, and delayed resolution of immune responses in aged individuals have all been demonstrated, suggesting that the host response to biomaterials in aged individuals should differ from that in younger individuals. However, despite the increasing usage of implantable medical devices in aged patients, few studies examining the effects of aging upon the host response to biomaterials and the implications of this response for long-term integration and function have been performed. The objective of the present manuscript is to review the putative effects of aging upon the host response to implanted materials and to advance the hypothesis that age-related changes in the local microenvrionement, with emphasis on the extracellular matrix, play a previously unrecognized role in determining the host response to implants.
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Affiliation(s)
- Bryan N Brown
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, 450 Technology Drive, Pittsburgh, PA 15219, United States; Department of Bioengineering, Swanson School of Engineering, University of Pittsburgh, 3700 O'Hara Street, Pittsburgh, PA 15260, United States; Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh School of Medicine, University of Pittsburgh, 300 Halket Street, Pittsburgh, PA 15213, United States.
| | - Martin J Haschak
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, 450 Technology Drive, Pittsburgh, PA 15219, United States; Department of Bioengineering, Swanson School of Engineering, University of Pittsburgh, 3700 O'Hara Street, Pittsburgh, PA 15260, United States
| | - Samuel T Lopresti
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, 450 Technology Drive, Pittsburgh, PA 15219, United States; Department of Bioengineering, Swanson School of Engineering, University of Pittsburgh, 3700 O'Hara Street, Pittsburgh, PA 15260, United States
| | - Elizabeth C Stahl
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, 450 Technology Drive, Pittsburgh, PA 15219, United States; Department of Pathology, University of Pittsburgh School of Medicine, University of Pittsburgh, 200 Lothrop St., Pittsburgh, PA 15261, United States
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16
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Chung L, Maestas DR, Housseau F, Elisseeff JH. Key players in the immune response to biomaterial scaffolds for regenerative medicine. Adv Drug Deliv Rev 2017; 114:184-192. [PMID: 28712923 DOI: 10.1016/j.addr.2017.07.006] [Citation(s) in RCA: 209] [Impact Index Per Article: 29.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Revised: 06/20/2017] [Accepted: 07/06/2017] [Indexed: 02/07/2023]
Abstract
The compatibility of biomaterials is critical to their structural and biological function in medical applications. The immune system is the first responder to tissue trauma and to a biomaterial implant. The innate immune effector cells, most notably macrophages, play a significant role in the defense against foreign bodies and the formation of a fibrous capsule around synthetic implants. Alternatively, macrophages participate in the pro-regenerative capacity of tissue-derived biological scaffolds. Research is now elucidating the role of the adaptive immune system, and T cells in particular, in directing macrophage response to synthetic and biological materials. Here, we review basic immune cell types and discuss recent research on the role of the immune system in tissue repair and its potential relevance to scaffold design. We will also discuss new emerging immune cell types relevant to biomaterial responses and tissue repair. Finally, prospects for specifically targeting and modulating the immune response to biomaterial scaffolds for enhancing tissue repair and regeneration will be presented.
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17
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Affiliation(s)
- Siddharth Jhunjhunwala
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bengaluru, India 560012
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18
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Hachim D, Wang N, Lopresti ST, Stahl EC, Umeda YU, Rege RD, Carey ST, Mani D, Brown BN. Effects of aging upon the host response to implants. J Biomed Mater Res A 2017; 105:1281-1292. [PMID: 28130823 DOI: 10.1002/jbm.a.36013] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Revised: 01/05/2017] [Accepted: 01/23/2017] [Indexed: 01/11/2023]
Abstract
Macrophage polarization during the host response is now a well-accepted predictor of outcomes following material implantation. Immunosenescence, dysregulation of macrophage function, and delayed resolution of immune responses in aged individuals have all been demonstrated, suggesting that host responses to materials in aged individuals should differ from those in younger individuals. However, few studies examining the effects of aging upon the host response have been performed. The present work sought to elucidate the impacts of aging upon the host response to polypropylene mesh implanted into 8-week-old and 18-month-old mice. The results showed that there are significant differences in macrophage surface marker expression, migration, and polarization during the early host macrophage response and delayed resolution of the host response in 18-month-old versus 8-week-old mice. These differences could not be attributed to cell-intrinsic defects alone, suggesting that the host macrophage response to implants is likely also dictated to a significant degree by the local tissue microenvironment. These results raise important questions about the design and testing of materials and devices often intended to treat aged individuals and suggest that an improved understanding of patient- and context-dependent macrophage responses has the potential to improve outcomes in aged individuals. © 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 105A: 1281-1292, 2017.
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Affiliation(s)
- Daniel Hachim
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, 450 Technology Drive, Pittsburgh, Pennsylvania, 15219.,Department of Bioengineering, Swanson School of Engineering, University of Pittsburgh, 3700 O'Hara Street, Pittsburgh, Pennsylvania, 15260
| | - Na Wang
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, 450 Technology Drive, Pittsburgh, Pennsylvania, 15219
| | - Samuel T Lopresti
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, 450 Technology Drive, Pittsburgh, Pennsylvania, 15219.,Department of Bioengineering, Swanson School of Engineering, University of Pittsburgh, 3700 O'Hara Street, Pittsburgh, Pennsylvania, 15260
| | - Elizabeth C Stahl
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, 450 Technology Drive, Pittsburgh, Pennsylvania, 15219.,Department of Pathology, University of Pittsburgh School of Medicine, University of Pittsburgh, 200 Lothrop St, Pittsburgh, Pennsylvania, 15261
| | - Yuta U Umeda
- Department of Bioengineering, Swanson School of Engineering, University of Pittsburgh, 3700 O'Hara Street, Pittsburgh, Pennsylvania, 15260
| | - Rahul D Rege
- Department of Bioengineering, Swanson School of Engineering, University of Pittsburgh, 3700 O'Hara Street, Pittsburgh, Pennsylvania, 15260
| | - Sean T Carey
- Department of Chemical Engineering, Swanson School of Engineering, University of Pittsburgh, 3700 O'Hara Street, Pittsburgh, Pennsylvania, 15260
| | - Deepa Mani
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, 450 Technology Drive, Pittsburgh, Pennsylvania, 15219
| | - Bryan N Brown
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, 450 Technology Drive, Pittsburgh, Pennsylvania, 15219.,Department of Bioengineering, Swanson School of Engineering, University of Pittsburgh, 3700 O'Hara Street, Pittsburgh, Pennsylvania, 15260.,Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh School of Medicine, University of Pittsburgh, 300 Halket Street, Pittsburgh, Pennsylvania, 15213
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19
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Nicotinic receptor involvement in regulation of functions of mouse neutrophils from inflammatory site. Immunobiology 2016; 221:761-72. [DOI: 10.1016/j.imbio.2016.01.016] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Accepted: 01/30/2016] [Indexed: 01/08/2023]
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20
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21
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Anticoagulation and endothelial cell behaviors of heparin-loaded graphene oxide coating on titanium surface. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 63:333-40. [DOI: 10.1016/j.msec.2016.03.001] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2016] [Revised: 02/25/2016] [Accepted: 03/01/2016] [Indexed: 12/23/2022]
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22
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Tengood JE, Levy RJ, Stachelek SJ. The use of CD47-modified biomaterials to mitigate the immune response. Exp Biol Med (Maywood) 2016; 241:1033-41. [PMID: 27190273 DOI: 10.1177/1535370216647130] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Addressing the aberrant interactions between immune cells and biomaterials represents an unmet need in biomaterial research. Although progress has been made in the development of bioinert coatings, identifying and targeting relevant cellular and molecular pathways can provide additional therapeutic strategies to address this major healthcare concern. To that end, we describe the immune inhibitory motif, receptor-ligand pairing of signal regulatory protein alpha and its cognate ligand CD47 as a potential signaling pathway to enhance biocompatibility. The goals of this article are to detail the known roles of CD47-signal regulatory protein alpha signal transduction pathway and to describe how immobilized CD47 can be used to mitigate the immune response to biomaterials. Current applications of CD47-modified biomaterials will also be discussed herein.
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Affiliation(s)
- Jillian E Tengood
- Division of Cardiology, Department of Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA Perelman School of Medicine, The University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Robert J Levy
- Division of Cardiology, Department of Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA Perelman School of Medicine, The University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Stanley J Stachelek
- Division of Cardiology, Department of Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA Perelman School of Medicine, The University of Pennsylvania, Philadelphia, PA 19104, USA
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23
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Slee JB, Alferiev IS, Nagaswami C, Weisel JW, Levy RJ, Fishbein I, Stachelek SJ. Enhanced biocompatibility of CD47-functionalized vascular stents. Biomaterials 2016; 87:82-92. [PMID: 26914699 DOI: 10.1016/j.biomaterials.2016.02.008] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2015] [Revised: 01/27/2016] [Accepted: 02/07/2016] [Indexed: 12/21/2022]
Abstract
The effectiveness of endovascular stents is hindered by in-stent restenosis (ISR), a secondary re-obstruction of treated arteries due to unresolved inflammation and activation of smooth muscle cells in the arterial wall. We previously demonstrated that immobilized CD47, a ubiquitously expressed transmembrane protein with an established role in immune evasion, can confer biocompatibility when appended to polymeric surfaces. In present studies, we test the hypothesis that CD47 immobilized onto metallic surfaces of stents can effectively inhibit the inflammatory response thus mitigating ISR. Recombinant CD47 (recCD47) or a peptide sequence corresponding to the Ig domain of CD47 (pepCD47), were attached to the surfaces of both 316L-grade stainless steel foils and stents using bisphosphonate coordination chemistry and thiol-based conjugation reactions to assess the anti-inflammatory properties of CD47-functionalized surfaces. Initial in vitro and ex vivo analysis demonstrated that both recCD47 and pepCD47 significantly reduced inflammatory cell attachment to steel surfaces without impeding on endothelial cell retention and expansion. Using a rat carotid stent model, we showed that pepCD47-functionalized stents prevented fibrin and platelet thrombus deposition, inhibited inflammatory cell attachment, and reduced restenosis by 30%. It is concluded that CD47-modified stent surfaces mitigate platelet and inflammatory cell attachment, thereby disrupting ISR pathophysiology.
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Affiliation(s)
- Joshua B Slee
- Division of Cardiology, Department of Pediatrics, The Children's Hospital of Philadelphia, USA; Perelman School of Medicine, The University of Pennsylvania, USA
| | - Ivan S Alferiev
- Division of Cardiology, Department of Pediatrics, The Children's Hospital of Philadelphia, USA; Perelman School of Medicine, The University of Pennsylvania, USA
| | - Chandrasekaran Nagaswami
- Department of Cell and Developmental Biology, Perelman School of Medicine, The University of Pennsylvania, USA
| | - John W Weisel
- Department of Cell and Developmental Biology, Perelman School of Medicine, The University of Pennsylvania, USA
| | - Robert J Levy
- Division of Cardiology, Department of Pediatrics, The Children's Hospital of Philadelphia, USA; Perelman School of Medicine, The University of Pennsylvania, USA
| | - Ilia Fishbein
- Division of Cardiology, Department of Pediatrics, The Children's Hospital of Philadelphia, USA; Perelman School of Medicine, The University of Pennsylvania, USA.
| | - Stanley J Stachelek
- Division of Cardiology, Department of Pediatrics, The Children's Hospital of Philadelphia, USA; Perelman School of Medicine, The University of Pennsylvania, USA.
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Interplay between Cellular and Molecular Inflammatory Mediators in Lung Cancer. Mediators Inflamm 2016; 2016:3494608. [PMID: 26941482 PMCID: PMC4749813 DOI: 10.1155/2016/3494608] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2015] [Accepted: 01/10/2016] [Indexed: 01/09/2023] Open
Abstract
Inflammation is a component of the tumor microenvironment and represents the 7th hallmark of cancer. Chronic inflammation plays a critical role in tumorigenesis. Tumor infiltrating inflammatory cells mediate processes associated with progression, immune suppression, promotion of neoangiogenesis and lymphangiogenesis, remodeling of extracellular matrix, invasion and metastasis, and, lastly, the inhibition of vaccine-induced antitumor T cell response. Accumulating evidence indicates a critical role of myeloid cells in the pathophysiology of human cancers. In contrast to the well-characterized tumor-associated macrophages (TAMs), the significance of granulocytes in cancer has only recently begun to emerge with the characterization of tumor-associated neutrophils (TANs). Recent studies show the importance of CD47 in the interaction with macrophages inhibiting phagocytosis and promoting the migration of neutrophils, increasing inflammation which can lead to recurrence and progression in lung cancer. Currently, therapies are targeted towards blocking CD47 and enhancing macrophage-mediated phagocytosis. However, antibody-based therapies may have adverse effects that limit its use.
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Pacelli S, Manoharan V, Desalvo A, Lomis N, Jodha KS, Prakash S, Paul A. Tailoring biomaterial surface properties to modulate host-implant interactions: implication in cardiovascular and bone therapy. J Mater Chem B 2015; 4:1586-1599. [PMID: 27630769 PMCID: PMC5019489 DOI: 10.1039/c5tb01686j] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Host body response to a foreign medical device plays a critical role in defining its fate post implantation. It is thus important to control host-material interactions by designing innovative implant surfaces. In the recent years, biochemical and topographical features have been explored as main target to produce this new type of bioinert or bioresponsive implants. The review discusses specific biofunctional materials and strategies to achieve a precise control over implant surface properties and presents possible solutions to develop next generation of implants, particularly in the fields of bone and cardiovascular therapy.
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Affiliation(s)
- Settimio Pacelli
- BioIntel Research Laboratory, Department of Chemical and Petroleum Engineering, Bioengineering Graduate Program, School of Engineering, University of Kansas, Lawrence, KS, USA
| | - Vijayan Manoharan
- BioIntel Research Laboratory, Department of Chemical and Petroleum Engineering, Bioengineering Graduate Program, School of Engineering, University of Kansas, Lawrence, KS, USA
| | - Anna Desalvo
- University of Southampton, School of Medicine, University Road, Southampton SO17 1BJ, United Kingdom
| | - Nikita Lomis
- Biomedical Technology and Cell Therapy Research Laboratory, Department of Biomedical Engineering, Faculty of Medicine, Duff Medical Building, 3775 University Street, McGill University, QC, Canada H3A 2B4
| | - Kartikeya Singh Jodha
- BioIntel Research Laboratory, Department of Chemical and Petroleum Engineering, Bioengineering Graduate Program, School of Engineering, University of Kansas, Lawrence, KS, USA
| | - Satya Prakash
- Biomedical Technology and Cell Therapy Research Laboratory, Department of Biomedical Engineering, Faculty of Medicine, Duff Medical Building, 3775 University Street, McGill University, QC, Canada H3A 2B4
| | - Arghya Paul
- BioIntel Research Laboratory, Department of Chemical and Petroleum Engineering, Bioengineering Graduate Program, School of Engineering, University of Kansas, Lawrence, KS, USA
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Kim YK, Chen EY, Liu WF. Biomolecular strategies to modulate the macrophage response to implanted materials. J Mater Chem B 2015; 4:1600-1609. [PMID: 32263014 DOI: 10.1039/c5tb01605c] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The material-induced foreign body response is a major challenge for implanted medical devices. This review highlights recent developments in biomimetic approaches to create biomaterials that mitigate the host response to biomaterials. Specifically, we will describe strategies in which biomaterials are decorated with endogenously expressed biomolecules that naturally modulate the function of immune cells. These include molecules that directly bind to and interact with immune cells, as well as molecules that control complement activation or thrombosis and indirectly modulate immune cell function. We provide perspective on how these approaches may impact the design of materials for medical devices and tissue engineering.
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Affiliation(s)
- Yoon Kyung Kim
- Department of Biomedical Engineering, University of California Irvine, 2412 Engineering Hall, Irvine, CA 92697, USA.
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Frost MC, Meyerhoff ME. Real-Time Monitoring of Critical Care Analytes in the Bloodstream with Chemical Sensors: Progress and Challenges. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2015; 8:171-92. [PMID: 26161973 DOI: 10.1146/annurev-anchem-071114-040443] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
We review approaches and challenges in developing chemical sensor-based methods to accurately and continuously monitor levels of key analytes in blood related directly to the status of critically ill hospitalized patients. Electrochemical and optical sensor-based technologies have been pursued to measure important critical care species in blood [i.e., oxygen, carbon dioxide, pH, electrolytes (K(+), Na(+), Cl(-), etc.), glucose, and lactate] in real-time or near real-time. The two main configurations examined to date for achieving this goal have been intravascular catheter sensors and patient attached ex vivo sensors with intermittent blood sampling via an attached indwelling catheter. We discuss the status of these configurations and the main issues affecting the accuracy of the measurements, including cell adhesion and thrombus formation on the surface of the sensors, sensor drift, sensor selectivity, etc. Recent approaches to mitigate these nagging performance issues that have prevented these technologies from clinical use are also discussed.
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Affiliation(s)
- Megan C Frost
- Department of Biomedical Engineering, Michigan Technological University, Houghton, Michigan 49931-1295;
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Addressing the Inflammatory Response to Clinically Relevant Polymers by Manipulating the Host Response Using ITIM Domain-Containing Receptors. Polymers (Basel) 2014; 6:2526-2551. [PMID: 25705515 PMCID: PMC4333742 DOI: 10.3390/polym6102526] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Tissue contacting surfaces of medical devices initiate a host inflammatory response, characterized by adsorption of blood proteins and inflammatory cells triggering the release of cytokines, reactive oxygen species (ROS) and reactive nitrogen species (RNS), in an attempt to clear or isolate the foreign object from the body. This normal host response contributes to device-associated pathophysiology and addressing device biocompatibility remains an unmet need. Although widespread attempts have been made to render the device surfaces unreactive, the establishment of a completely bioinert coating has been untenable and demonstrates the need to develop strategies based upon the molecular mechanisms that define the interaction between host cells and synthetic surfaces. In this review, we discuss a family of transmembrane receptors, known as immunoreceptor tyrosine-based inhibitory motif (ITIM)-containing receptors, which show promise as potential targets to address aberrant biocompatibility. These receptors repress the immune response and ensure that the intensity of an immune response is appropriate for the stimuli. Particular emphasis will be placed on the known ITIM-containing receptor, Signal Regulatory Protein Alpha (SIRPhα), and its cognate ligand CD47. In addition, this review will discuss the potential of other ITIM-containing proteins as targets for addressing the aberrant biocompatibility of polymeric biomaterials.
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29
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Slee JB, Alferiev IS, Levy RJ, Stachelek SJ. The use of the ex vivo Chandler Loop Apparatus to assess the biocompatibility of modified polymeric blood conduits. J Vis Exp 2014. [PMID: 25178087 DOI: 10.3791/51871] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
The foreign body reaction occurs when a synthetic surface is introduced to the body. It is characterized by adsorption of blood proteins and the subsequent attachment and activation of platelets, monocyte/macrophage adhesion, and inflammatory cell signaling events, leading to post-procedural complications. The Chandler Loop Apparatus is an experimental system that allows researchers to study the molecular and cellular interactions that occur when large volumes of blood are perfused over polymeric conduits. To that end, this apparatus has been used as an ex vivo model allowing the assessment of the anti-inflammatory properties of various polymer surface modifications. Our laboratory has shown that blood conduits, covalently modified via photoactivation chemistry with recombinant CD47, can confer biocompatibility to polymeric surfaces. Appending CD47 to polymeric surfaces could be an effective means to promote the efficacy of polymeric blood conduits. Herein is the methodology detailing the photoactivation chemistry used to append recombinant CD47 to clinically relevant polymeric blood conduits and the use of the Chandler Loop as an ex vivo experimental model to examine blood interactions with the CD47 modified and control conduits.
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Affiliation(s)
- Joshua B Slee
- Division of Cardiology, Department of Pediatrics, The Children's Hospital of Philadelphia; University of Pennsylvania Perelman School of Medicine
| | - Ivan S Alferiev
- Division of Cardiology, Department of Pediatrics, The Children's Hospital of Philadelphia; University of Pennsylvania Perelman School of Medicine
| | - Robert J Levy
- Division of Cardiology, Department of Pediatrics, The Children's Hospital of Philadelphia; University of Pennsylvania Perelman School of Medicine
| | - Stanley J Stachelek
- Division of Cardiology, Department of Pediatrics, The Children's Hospital of Philadelphia; University of Pennsylvania Perelman School of Medicine;
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30
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Wei Q, Becherer T, Angioletti-Uberti S, Dzubiella J, Wischke C, Neffe AT, Lendlein A, Ballauff M, Haag R. Protein Interactions with Polymer Coatings and Biomaterials. Angew Chem Int Ed Engl 2014; 53:8004-31. [DOI: 10.1002/anie.201400546] [Citation(s) in RCA: 524] [Impact Index Per Article: 52.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2014] [Indexed: 01/07/2023]
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31
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Wei Q, Becherer T, Angioletti-Uberti S, Dzubiella J, Wischke C, Neffe AT, Lendlein A, Ballauff M, Haag R. Wechselwirkungen von Proteinen mit Polymerbeschichtungen und Biomaterialien. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201400546] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Biomaterials in cardiovascular research: applications and clinical implications. BIOMED RESEARCH INTERNATIONAL 2014; 2014:459465. [PMID: 24895577 PMCID: PMC4033350 DOI: 10.1155/2014/459465] [Citation(s) in RCA: 75] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Revised: 03/29/2014] [Accepted: 03/31/2014] [Indexed: 12/13/2022]
Abstract
Cardiovascular biomaterials (CB) dominate the category of biomaterials based on the demand and investments in this field. This review article classifies the CB into three major classes, namely, metals, polymers, and biological materials and collates the information about the CB. Blood compatibility is one of the major criteria which limit the use of biomaterials for cardiovascular application. Several key players are associated with blood compatibility and they are discussed in this paper. To enhance the compatibility of the CB, several surface modification strategies were in use currently. Some recent applications of surface modification technology on the materials for cardiovascular devices were also discussed for better understanding. Finally, the current trend of the CB, endothelization of the cardiac implants and utilization of induced human pluripotent stem cells (ihPSCs), is also presented in this review. The field of CB is growing constantly and many new investigators and researchers are developing interest in this domain. This review will serve as a one stop arrangement to quickly grasp the basic research in the field of CB.
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Kehara H, Takano T, Ohashi N, Terasaki T, Amano J. Platelet Function During Cardiopulmonary Bypass Using Multiple Electrode Aggregometry: Comparison of Centrifugal and Roller Pumps. Artif Organs 2014; 38:924-30. [DOI: 10.1111/aor.12299] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Hiromu Kehara
- Department of Cardiovascular Surgery; Shinshu University School of Medicine; Matsumoto Japan
| | - Tamaki Takano
- Department of Cardiovascular Surgery; Shinshu University School of Medicine; Matsumoto Japan
| | - Noburo Ohashi
- Department of Cardiovascular Surgery; Shinshu University School of Medicine; Matsumoto Japan
| | - Takamitsu Terasaki
- Department of Cardiovascular Surgery; Shinshu University School of Medicine; Matsumoto Japan
| | - Jun Amano
- Department of Cardiovascular Surgery; Shinshu University School of Medicine; Matsumoto Japan
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Pan CJ, Hou YH, Zhang BB, Dong YX, Ding HY. Blood compatibility and interaction with endothelial cells of titanium modified by sequential immobilization of poly (ethylene glycol) and heparin. J Mater Chem B 2014; 2:892-902. [DOI: 10.1039/c3tb21403f] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Lee HS, Tomczyk N, Kandel J, Composto RJ, Eckmann DM. Hemocompatibility of Chitosan/poly(acrylic acid) Grafted Polyurethane Tubing. J Mater Chem B 2013; 1:10.1039/C3TB21218A. [PMID: 24349719 PMCID: PMC3859438 DOI: 10.1039/c3tb21218a] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The activation and adhesion of platelets or whole blood exposed to chitosan (CH) grafted surfaces is used to evaluate the hemocompatibility of biomaterials. The biomaterial surfaces are polyurethane (PU) tubes grafted with an inner poly(acrylic acid) (PAA) and an outer CH or quaternary ammonium modified CH (CH-Q) brush. The CH, CH-Q and PAA grafted layers were characterized by ellipsometry and fluorescence microscopy. Material wear tests demonstrate that CH (CH-Q) is stably grafted onto PU tubes upon exposure to saline solution for 7 days. Using quartz-crystal microbalances with dissipation (QCM-D), in-situ adsorption of blood plasma proteins on CH and CH-Q compared to a silicon oxide control was measured. The QCM-D results showed that the physically adsorbed plasma protein layer on CH-Q and CH surfaces is softer and more viscous than the protein layer on the SiO2 surface. The CH-Q layer thus has the weakest interaction with plasma proteins. Whole blood and platelet adhesion was reduced by ~92% on CH-Q, which showed the weakest interaction with plasma protein but more viscous adsorbed plasma protein layer, compared to SiO2. Last, to examine the biologic response of platelets and neutrophils to biomaterial surfaces, CH (CH-Q)/PAA, PAA and PU tubes were tested using a Chandler Loop apparatus as an ex vivo model and flow cytometry. The blood adhesion and biologic response results showed that CH and CH-Q reduced adhesion and activation of platelets and neutrophils and improved hemocompatibility relative to other surfaces (PU and PAA). Our studies demonstrated that the properties of physically adsorbed plasma protein layer on biomaterial surfaces correlates with blood coagulation on biomaterial surfaces.
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Affiliation(s)
- Hyun-Su Lee
- Department of Anesthesiology and Critical Care, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Nancy Tomczyk
- Department of Anesthesiology and Critical Care, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Judith Kandel
- Department of Bioengineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Russell J. Composto
- Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - David M. Eckmann
- Department of Anesthesiology and Critical Care, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
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Finley MJ, Clark KA, Alferiev IS, Levy RJ, Stachelek SJ. Intracellular signaling mechanisms associated with CD47 modified surfaces. Biomaterials 2013; 34:8640-9. [PMID: 23948164 DOI: 10.1016/j.biomaterials.2013.07.088] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2013] [Accepted: 07/25/2013] [Indexed: 01/07/2023]
Abstract
We have previously established that recombinant CD47 can ameliorate the inflammatory response to synthetic polymeric surfaces. Here, we begin to profile, at the transcriptional, translational and cell signaling level, the inflammatory cell response when blood interacts with CD47 modified polyvinyl chloride (PVC) (CD47-PVC). We used qPCR arrays to compare transcriptional changes between human whole blood exposed to CD47-PVC or PVC. Transcription of IL1F5, IL1F10, IL17F, CCL3, CCL8, CCL28, CXCL12, and CXCL13 was upregulated in blood exposed to PVC, compared to CD47-PVC. The increase in CCL3 and CCL8 transcription correlated with an increase in the chemokines' presence in the plasma. Exposure of blood to CD47-PVC resulted in an increase, compared to PVC, in transcription of CCL2, CCL4, CCL20, CXCL1, TGFβ3, GDF3, GDF10, CD40LG, and TNFSF10. CD47-PVC exposure resulted in an increase of the following matrix metalloproteinase related genes: MMP1, MMP7, MMP13, and MMP16. Phosflow cytometry, and assays examining transcription factor binding, cell attachment, and genome-wide chromatin association indicated that members of the JAK-STAT signaling pathway, particularly JAK2 and STAT5, mediate inflammatory cell interactions with CD47-PVC. Our data demonstrate that differential molecular responses to CD47 involve downregulation of cytokines, upregulation of MMPs, and JAK/STAT signaling mechanisms.
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Affiliation(s)
- Matthew J Finley
- Division of Cardiology, Department of Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
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37
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Eckmann DM, Tsai IY, Tomczyk N, Weisel JW, Composto RJ. Hyaluronan and dextran modified tubes resist cellular activation with blood contact. Colloids Surf B Biointerfaces 2013; 108:44-51. [PMID: 23524078 PMCID: PMC3646946 DOI: 10.1016/j.colsurfb.2013.02.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2012] [Revised: 02/05/2013] [Accepted: 02/06/2013] [Indexed: 12/24/2022]
Abstract
This study was undertaken to evaluate the effects of thin film hyaluronic acid and dextran surface coatings to blunt cellular activation in a laboratory model of extracorporeal blood circulation. The inner lumen surface of polyurethane (PU) and poly(vinyl) chloride (PVC) tubing was grafted with hyaluronic acid and dextran. Surfaces were characterized for the presence of the grafted layer using ellipsometry, atomic force microscopy (AFM), and X-ray photoelectron spectroscopy (XPS). Persistence of the surface layer was maintained for up to 5 days of continuous exposure to shear flow using a Chandler loop apparatus. The Chandler loop method was used to study human whole blood activation activity. Whole blood aggregometry and flow cytometry measures of CD18, CD62L, CD62P, Annexin V and myeloperoxidase performed on blood samples exposed to the tubing for up to three hours were complemented by scanning electron microscopy (SEM) analysis of adherent cells and state of activation. In these studies commercial hospital products and uncoated PVC and PU tubes were used as controls. We found that hyaluranized PU and PVC conferred the greatest resistance to blood activation and that dextranization of the PU and PU tubing also provided significant diminution of the bioresponses measured. Based on our findings, we suggest that surface coating with hyaluronic acid or dextran acts as a potent shield from blood cellular activation during forms of extracorporeal circulation.
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Affiliation(s)
- David M Eckmann
- Department of Anesthesiology and Critical Care, University of Pennsylvania, Philadelphia, PA 19104, USA.
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Hu CMJ, Fang RH, Luk BT, Chen KN, Carpenter C, Gao W, Zhang K, Zhang L. 'Marker-of-self' functionalization of nanoscale particles through a top-down cellular membrane coating approach. NANOSCALE 2013; 5:2664-8. [PMID: 23462967 PMCID: PMC3667603 DOI: 10.1039/c3nr00015j] [Citation(s) in RCA: 215] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/14/2023]
Abstract
We investigate the 'marker-of-self' functionalization of nanoparticles through coating of natural RBC membranes. The membrane translocation approach is shown to be highly efficient and bestows nanoparticles with correctly oriented and functional immunomodulatory proteins such as CD47 at equivalent density to natural RBCs.
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Affiliation(s)
- Che-Ming J. Hu
- Department of NanoEngineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA. Tel: 1-858-246-0999
- Moores Cancer Center, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA. Tel: 1-858-246-0999
| | - Ronnie H. Fang
- Department of NanoEngineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA. Tel: 1-858-246-0999
- Moores Cancer Center, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA. Tel: 1-858-246-0999
| | - Brian T. Luk
- Moores Cancer Center, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA. Tel: 1-858-246-0999
- Department of Bioengineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA. Tel: 1-858-246-0999
| | - Kevin N.H. Chen
- Department of NanoEngineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA. Tel: 1-858-246-0999
| | - Cody Carpenter
- Department of NanoEngineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA. Tel: 1-858-246-0999
| | - Weiwei Gao
- Department of NanoEngineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA. Tel: 1-858-246-0999
- Moores Cancer Center, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA. Tel: 1-858-246-0999
| | - Kang Zhang
- Department of NanoEngineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA. Tel: 1-858-246-0999
- Department of Ophthalmology and Shiley Eye Center, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA. Tel: 1-858-246-0999
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510275, China
| | - Liangfang Zhang
- Department of NanoEngineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA. Tel: 1-858-246-0999
- Moores Cancer Center, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA. Tel: 1-858-246-0999
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Soto-Pantoja DR, Stein EV, Rogers NM, Sharifi-Sanjani M, Isenberg JS, Roberts DD. Therapeutic opportunities for targeting the ubiquitous cell surface receptor CD47. Expert Opin Ther Targets 2013; 17:89-103. [PMID: 23101472 PMCID: PMC3564224 DOI: 10.1517/14728222.2013.733699] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
INTRODUCTION CD47 is a ubiquitously expressed cell surface receptor that serves as a counter-receptor for SIRPα in recognition of self by the innate immune system. Independently, CD47 also functions as an important signaling receptor for regulating cell responses to stress. AREAS COVERED We review the expression, molecular interactions, and pathophysiological functions of CD47 in the cardiovascular and immune systems. CD47 was first identified as a potential tumor marker, and we examine recent evidence that its dysregulation contributes to cancer progression and evasion of anti-tumor immunity. We further discuss therapeutic strategies for enhancing or inhibiting CD47 signaling and applications of such agents in preclinical models of ischemia and ischemia/reperfusion injuries, organ transplantation, pulmonary hypertension, radioprotection, and cancer. EXPERT OPINION Ongoing studies are revealing a central role of CD47 for conveying signals from the extracellular microenvironment that limit cell and tissue survival upon exposure to various types of stress. Based on this key function, therapeutics targeting CD47 or its ligands thrombospondin-1 and SIRPα could have broad applications spanning reconstructive surgery, engineering of tissues and biocompatible surfaces, vascular diseases, diabetes, organ transplantation, radiation injuries, inflammatory diseases, and cancer.
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Affiliation(s)
- David R. Soto-Pantoja
- Cancer Research Training Award Fellow, Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892-1500
| | - Erica V. Stein
- Predoctoral Cancer Research Training Award Fellow, Laboratoryof Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892-1500 and Microbiology and Immunology Program of the Institute for Biomedical Sciences, Departments of Microbiology, Immunology and Tropical Medicine, George Washington University, 2300 Eye St., N.W., Ross Hall, Washington, D.C. 20037
| | - Natasha M. Rogers
- Visiting Research Fellow, Division of Pulmonary Allergy and Critical Care Medicine, Vascular Medicine Institute, University of Pittsburgh School of Medicine, E1240 Biomedical Science Tower, Room E1200, 200 Lothrop Street, Pittsburgh, PA 15261
| | - Maryam Sharifi-Sanjani
- Post-doctoral Fellow, Division of Pulmonary Allergy and Critical Care Medicine, Vascular Medicine Institute, University of Pittsburgh School of Medicine, E1240 Biomedical Science Tower, Room E1200, 200 Lothrop Street, Pittsburgh, PA 15261
| | - Jeffrey S. Isenberg
- Associate Professor of Medicine, Division of Pulmonary Allergy and Critical Care Medicine, Vascular Medicine Institute, University of Pittsburgh School of Medicine, E1240 Biomedical Science Tower, Room E1258, 200 Lothrop Street, Pittsburgh, PA 15261
| | - David D. Roberts
- Chief, Biochemical Pathology Section, Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Building 10 Room 2A33, Bethesda, MD 20892-1500
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