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Farrokhi T, Gkikas M. NanoGraphene Clot: A New Fibrinogen-Mimic Hemostatic Material. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38949260 DOI: 10.1021/acsami.4c09828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/02/2024]
Abstract
Trauma is the leading cause of death for adults under the age of 44. Internal bleeding remains a significant challenge in medical emergencies, necessitating the development of effective hemostatic materials that could be administered by paramedics before a patient is in the hospital and treated by surgeons. In this study, we introduce a graphene oxide (GO)-based PEGylated synthetic hemostatic nanomaterial with an average size of 211 ± 83 nm designed to target internal bleeding by mimicking the role of fibrinogen. Functionalization of GO-g-PEG with peptides derived from the α-chain of fibrinogen, such as GRGDS, or the γ-chain of fibrinogen, such as HHLGGAKQAGDV:H12, was achieved with peptide loadings of 72 ± 6 and 68 ± 15 μM, respectively. In vitro studies with platelet-rich plasma (PRP) under confinement demonstrated aggregation enhancement of 39 and 24% for GO-g-PEG-GRGDS and GO-g-PEG-H12, respectively, compared to buffer, while adenosine diphosphate (ADP) alone induced a 5% aggregation. Compared to the same materials in the absence of ADP, GO-g-PEG-GRGDS achieved a 47% aggregation enhancement, while GO-g-PEG-H12 a 25% enhancement. This is particularly important for injectable hemostats and highlights the fact that our nanographene-based materials can only act as hemostats in the presence of agonists, reducing the possibility of unwanted clotting during circulation. Further studies on collagen-coated wells under dynamic flow revealed statistically significant augmentation of PRP fluorescence signal using GRGDS- or H12-coated GO-g-PEG compared to controls. Hemolysis studies showed <1% lysis of red blood cells (RBCs) at the highest PEGylated nanographene concentration. Finally, whole human blood coagulation studies reveal faster and more pronounced clotting using our nanohemostats vs PBS control from 3 min and below (blood is clotted with 10% CaCl2 within 4-5 min), with the biggest differences to be shown at 2 and 1 min. At 1 min, the clot weight was found to be ∼45% of that between 4 and 5 min, while no clot was formed in PBS-treated blood. Reduction of CaCl2 to 5 and 3%, or utilization of prostaglandin E1, an anticoagulant, still leads to clots but of smaller weight. The findings highlight the potential of our fibrinogen-mimic PEGylated nanographene as a promising non-hemolytic injectable scaffold for targeting internal bleeding, offering insights into its platelet aggregation capabilities under confinement and under dynamic flow as well as its pronounced coagulation abilities.
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Affiliation(s)
- Tannaz Farrokhi
- Department of Chemistry, University of Massachusetts Lowell, Lowell, Massachusetts 01854, United States
| | - Manos Gkikas
- Department of Chemistry, University of Massachusetts Lowell, Lowell, Massachusetts 01854, United States
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Vulliamy P, Armstrong PC. Platelets in Hemostasis, Thrombosis, and Inflammation After Major Trauma. Arterioscler Thromb Vasc Biol 2024; 44:545-557. [PMID: 38235557 DOI: 10.1161/atvbaha.123.318801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2024]
Abstract
Trauma currently accounts for 10% of the total global burden of disease and over 5 million deaths per year, making it a leading cause of morbidity and mortality worldwide. Although recent advances in early resuscitation have improved early survival from critical injury, the mortality rate in patients with major hemorrhage approaches 50% even in mature trauma systems. A major determinant of clinical outcomes from a major injury is a complex, dynamic hemostatic landscape. Critically injured patients frequently present to the emergency department with an acute traumatic coagulopathy that increases mortality from bleeding, yet, within 48 to 72 hours after injury will switch from a hypocoagulable to a hypercoagulable state with increased risk of venous thromboembolism and multiple organ dysfunction. This review will focus on the role of platelets in these processes. As effectors of hemostasis and thrombosis, they are central to each phase of recovery from injury, and our understanding of postinjury platelet biology has dramatically advanced over the past decade. This review describes our current knowledge of the changes in platelet behavior that occur following major trauma, the mechanisms by which these changes develop, and the implications for clinical outcomes. Importantly, supported by research in other disease settings, this review also reflects the emerging role of thromboinflammation in trauma including cross talk between platelets, innate immune cells, and coagulation. We also address the unresolved questions and significant knowledge gaps that remain, and finally highlight areas that with the further study will help deliver further improvements in trauma care.
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Affiliation(s)
- Paul Vulliamy
- Centre for Trauma Sciences (P.V.), Blizard Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, United Kingdom
| | - Paul C Armstrong
- Centre for Immunobiology (P.C.A.), Blizard Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, United Kingdom
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3
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Valdera FA, Nuutila K, Varon DE, Cooper LE, Chapa J, Christy S, Luc NF, Ditto A, Bruckman MA, Gupta AS, Chan RK, Carlsson AH. Topical Synthetic Platelets Loaded With Gentamicin Decrease Bacteria in Deep Partial-Thickness Burns. J Surg Res 2023; 291:167-175. [PMID: 37422958 DOI: 10.1016/j.jss.2023.05.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 05/05/2023] [Accepted: 05/15/2023] [Indexed: 07/11/2023]
Abstract
INTRODUCTION Prolonged inflammation and infection in burns may cause inadequate healing. Platelet granules contain anti-inflammatory mediators that impact wound healing. Synthetic platelets (SPs) avoid portability and storage difficulties of natural platelets and can be loaded with bioactive agents. We evaluated wound healing outcomes in deep partial-thickness (DPT) burns treated topically with SP loaded with antibiotics. MATERIALS AND METHODS Thirty DPT burns were created on the dorsum of two Red Duroc hybrid pigs. Six wounds were randomized into five groups: SP alone, SP loaded with gentamicin vesicles, SP with gentamicin mixture, vehicle control (saline), or dry gauze. Wounds were assessed from postburn days 3-90. Primary outcome was re-epithelialization percentage at postburn day 28. Secondary outcomes included wound contraction percentage, superficial blood flow relative to normal skin controls, and bacterial load score. RESULTS Results showed that re-epithelialization with the standard of care (SOC) was 98%, SP alone measured 100%, SP loaded with gentamicin vesicles was 100%, and SP with gentamicin mixture was 100%. Wound contraction was 5.7% in the SOC and was ∼10% in both the SP loaded with gentamicin vesicles and SP with gentamicin mixture groups. Superficial blood flow in the SOC was 102.5%, SP alone was 170%, the SP loaded was 155%, and gentamicin mixture 162.5%. Bacterial load score in the SOC was 2.2/5.0 and was significantly less at 0.8/5.0 in SP loaded with gentamicin vesicles (P > 0.05). SP and gentamicin mixture scored 2.7 and 2.3/5.0. CONCLUSIONS Topical SP treatment did not significantly improve outcomes. However, SP loaded with gentamicin-infused vesicles decreased bacterial load.
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Affiliation(s)
- Franklin A Valdera
- United States Army Institute of Surgical Research, Fort Sam Houston, Texas
| | - Kristo Nuutila
- United States Army Institute of Surgical Research, Fort Sam Houston, Texas
| | - David E Varon
- United States Army Institute of Surgical Research, Fort Sam Houston, Texas
| | - Laura E Cooper
- United States Army Institute of Surgical Research, Fort Sam Houston, Texas
| | - Javier Chapa
- United States Army Institute of Surgical Research, Fort Sam Houston, Texas
| | | | - Norman F Luc
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
| | | | | | - Anirban Sen Gupta
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
| | - Rodney K Chan
- United States Army Institute of Surgical Research, Fort Sam Houston, Texas
| | - Anders H Carlsson
- United States Army Institute of Surgical Research, Fort Sam Houston, Texas; Metis Foundation, San Antonio, Texas.
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Wang H, Yang L. Applications of injectable hemostatic materials in wound healing: principles, strategies, performance requirements, and future perspectives. Theranostics 2023; 13:4615-4635. [PMID: 37649606 PMCID: PMC10465227 DOI: 10.7150/thno.86930] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 08/09/2023] [Indexed: 09/01/2023] Open
Abstract
Uncontrolled traumatic bleeding can lead to death due to excessive blood loss within minutes. Early intervention is crucial to save lives, making timely and effective hemostasis is a major global challenge. Injectable hemostatic materials (IHMs) have been proposed to improve the effectiveness of hemostasis, facilitate wound healing, and enhance survival rates in emergency situations. The superior hemostatic performance of IHMs has garnered significant attention. However, there are relatively few comprehensive reviews on IHMs. This paper aims to provide a comprehensive review of the latest research progress on IHMs in recent years. Firstly, the physiological hemostatic process and the underlying principles of hemostasis are analyzed. Subsequently, the synthesis strategies for different IHMs are discussed. The performance requirements of IHMs are then summarized, including high efficiency, biocompatibility, degradability, manipulability, stability and antibacterial ability. Finally, the development prospects and challenges of IHMs are presented. This review serves as a necessary and systematic summary of IHMs, providing a valuable reference for the development of new high-performance hemostatic materials and their practical clinical applications.
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Affiliation(s)
| | - Liang Yang
- School of Physics and Electronic Information, Yan'an University, Yan'an, 716000, China
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Hong C, He Y, Bowen PA, Belcher AM, Olsen BD, Hammond PT. Engineering a Two-Component Hemostat for the Treatment of Internal Bleeding through Wound-Targeted Crosslinking. Adv Healthc Mater 2023; 12:e2202756. [PMID: 37017403 PMCID: PMC10964210 DOI: 10.1002/adhm.202202756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 03/01/2023] [Indexed: 04/06/2023]
Abstract
Primary hemostasis (platelet plug formation) and secondary hemostasis (fibrin clot formation) are intertwined processes that occur upon vascular injury. Researchers have sought to target wounds by leveraging cues specific to these processes, such as using peptides that bind activated platelets or fibrin. While these materials have shown success in various injury models, they are commonly designed for the purpose of treating solely primary or secondary hemostasis. In this work, a two-component system consisting of a targeting component (azide/GRGDS PEG-PLGA nanoparticles) and a crosslinking component (multifunctional DBCO) is developed to treat internal bleeding. The system leverages increased injury accumulation to achieve crosslinking above a critical concentration, addressing both primary and secondary hemostasis by amplifying platelet recruitment and mitigating plasminolysis for greater clot stability. Nanoparticle aggregation is measured to validate concentration-dependent crosslinking, while a 1:3 azide/GRGDS ratio is found to increase platelet recruitment, decrease clot degradation in hemodiluted environments, and decrease complement activation. Finally, this approach significantly increases survival relative to the particle-only control in a liver resection model. In light of prior successes with the particle-only system, these results emphasize the potential of this technology in aiding hemostasis and the importance of a holistic approach in engineering new treatments for hemorrhage.
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Affiliation(s)
- Celestine Hong
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Yanpu He
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Porter A. Bowen
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Angela M. Belcher
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Bradley D. Olsen
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Paula T. Hammond
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
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Roullet S, Luc N, Rayes J, Solarz J, Disharoon D, Ditto A, Gahagan E, Pawlowski C, Sefiane T, Adam F, Casari C, Christophe OD, Bruckman M, Lenting PJ, Sen Gupta A, Denis CV. Efficacy of platelet-inspired hemostatic nanoparticles on bleeding in von Willebrand disease murine models. Blood 2023; 141:2891-2900. [PMID: 36928925 PMCID: PMC10315625 DOI: 10.1182/blood.2022018956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 02/17/2023] [Accepted: 03/06/2023] [Indexed: 03/18/2023] Open
Abstract
The lack of innovation in von Willebrand disease (VWD) originates from many factors including the complexity and heterogeneity of the disease but also from a lack of recognition of the impact of the bleeding symptoms experienced by patients with VWD. Recently, a few research initiatives aiming to move past replacement therapies using plasma-derived or recombinant von Willebrand factor (VWF) concentrates have started to emerge. Here, we report an original approach using synthetic platelet (SP) nanoparticles for the treatment of VWD type 2B (VWD-2B) and severe VWD (type 3 VWD). SP are liposomal nanoparticles decorated with peptides enabling them to concomitantly bind to collagen, VWF, and activated platelets. In vitro, using various microfluidic assays, we show the efficacy of SPs to improve thrombus formation in VWF-deficient condition (with human platelets) or using blood from mice with VWD-2B and deficient VWF (VWF-KO, ie, type 3 VWD). In vivo, using a tail-clip assay, SP treatment reduced blood loss by 35% in mice with VWD-2B and 68% in mice with VWF-KO. Additional studies using nanoparticles decorated with various combinations of peptides demonstrated that the collagen-binding peptide, although not sufficient by itself, was crucial for SP efficacy in VWD-2B; whereas all 3 peptides appeared necessary for mice with VWF-KO. Clot imaging by immunofluorescence and scanning electron microscopy revealed that SP treatment of mice with VWF-KO led to a strong clot, similar to those obtained in wild-type mice. Altogether, our results show that SP could represent an attractive therapeutic alternative for VWD, especially considering their long half-life and stability.
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Affiliation(s)
- Stéphanie Roullet
- Laboratory for Hemostasis, Inflammation & Thrombosis, Unite Mixte de Recherche 1176 INSERM, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Norman Luc
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH
| | - Julie Rayes
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Jean Solarz
- Laboratory for Hemostasis, Inflammation & Thrombosis, Unite Mixte de Recherche 1176 INSERM, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Dante Disharoon
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH
| | | | | | | | - Thibaud Sefiane
- Laboratory for Hemostasis, Inflammation & Thrombosis, Unite Mixte de Recherche 1176 INSERM, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Frédéric Adam
- Laboratory for Hemostasis, Inflammation & Thrombosis, Unite Mixte de Recherche 1176 INSERM, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Caterina Casari
- Laboratory for Hemostasis, Inflammation & Thrombosis, Unite Mixte de Recherche 1176 INSERM, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Olivier D. Christophe
- Laboratory for Hemostasis, Inflammation & Thrombosis, Unite Mixte de Recherche 1176 INSERM, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | | | - Peter J. Lenting
- Laboratory for Hemostasis, Inflammation & Thrombosis, Unite Mixte de Recherche 1176 INSERM, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Anirban Sen Gupta
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH
| | - Cécile V. Denis
- Laboratory for Hemostasis, Inflammation & Thrombosis, Unite Mixte de Recherche 1176 INSERM, Université Paris-Saclay, Le Kremlin-Bicêtre, France
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7
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Li XF, Lu P, Jia HR, Li G, Zhu B, Wang X, Wu FG. Emerging materials for hemostasis. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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8
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Girish A, Jolly K, Alsaadi N, de la Fuente M, Recchione A, An R, Disharoon D, Secunda Z, Raghunathan S, Luc NF, Desai C, Knauss E, Han X, Hu K, Wang H, Sekhon UDS, Rohner N, Gurkan UA, Nieman M, Neal MD, Sen Gupta A. Platelet-Inspired Intravenous Nanomedicine for Injury-Targeted Direct Delivery of Thrombin to Augment Hemostasis in Coagulopathies. ACS NANO 2022; 16:16292-16313. [PMID: 35916497 PMCID: PMC10195184 DOI: 10.1021/acsnano.2c05306] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Severe hemorrhage associated with trauma, surgery, and congenital or drug-induced coagulopathies can be life-threatening and requires rapid hemostatic management via topical, intracavitary, or intravenous routes. For injuries that are not easily accessible externally, intravenous hemostatic approaches are needed. The clinical gold standard for this is transfusion of blood products, but due to donor dependence, specialized storage requirements, high risk of contamination, and short shelf life, blood product use faces significant challenges. Consequently, recent research efforts are being focused on designing biosynthetic intravenous hemostats, using intravenous nanoparticles and polymer systems. Here we report on the design and evaluation of thrombin-loaded injury-site-targeted lipid nanoparticles (t-TLNPs) that can specifically localize at an injury site via platelet-mimetic anchorage to the von Willebrand factor (vWF) and collagen and directly release thrombin via diffusion and phospholipase-triggered particle destabilization, which can locally augment fibrin generation from fibrinogen for hemostatic action. We evaluated t-TLNPs in vitro in human blood and plasma, where hemostatic defects were created by platelet depletion and anticoagulation. Spectrophotometric studies of fibrin generation, rotational thromboelastometry (ROTEM)-based studies of clot viscoelasticity, and BioFlux-based real-time imaging of fibrin generation under simulated vascular flow conditions confirmed that t-TLNPs can restore fibrin in hemostatic dysfunction settings. Finally, the in vivo feasibility of t-TLNPs was tested by prophylactic administration in a tail-clip model and emergency administration in a liver-laceration model in mice with induced hemostatic defects. Treatment with t-TLNPs was able to significantly reduce bleeding in both models. Our studies demonstrate an intravenous nanomedicine approach for injury-site-targeted direct delivery of thrombin to augment hemostasis.
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Affiliation(s)
- Aditya Girish
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Ketan Jolly
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Nijmeh Alsaadi
- Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania 15123, United States
| | - Maria de la Fuente
- Department of Pharmacology, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Arielle Recchione
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Ran An
- Department of Mechanical and Aerospace Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Dante Disharoon
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Zachary Secunda
- Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania 15123, United States
| | - Shruti Raghunathan
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Norman F Luc
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Cian Desai
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Elizabeth Knauss
- Department of Pharmacology, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Xu Han
- Department of Pharmacology, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Keren Hu
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Hanyang Wang
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Ujjal Didar Singh Sekhon
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Nathan Rohner
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Umut A Gurkan
- Department of Mechanical and Aerospace Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Marvin Nieman
- Department of Pharmacology, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Matthew D Neal
- Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania 15123, United States
| | - Anirban Sen Gupta
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
- Department of Pharmacology, Case Western Reserve University, Cleveland, Ohio 44106, United States
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9
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Platelet-rich plasma: a comparative and economical therapy for wound healing and tissue regeneration. Cell Tissue Bank 2022; 24:285-306. [PMID: 36222966 PMCID: PMC9555256 DOI: 10.1007/s10561-022-10039-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 09/10/2022] [Indexed: 11/17/2022]
Abstract
Rise in the incidences of chronic degenerative diseases with aging makes wound care a socio-economic burden and unceasingly necessitates a novel, economical, and efficient wound healing treatment. Platelets have a crucial role in hemostasis and thrombosis by modulating distinct mechanistic phases of wound healing, such as promoting and stabilizing the clot. Platelet-rich plasma (PRP) contains a high concentration of platelets than naïve plasma and has an autologous origin with no immunogenic adverse reactions. As a consequence, PRP has gained significant attention as a therapeutic to augment the healing process. Since the past few decades, a robust volume of research and clinical trials have been performed to exploit extensive role of PRP in wound healing/tissue regeneration. Despite these rigorous studies and their application in diversified medical fields, efficacy of PRP-based therapies is continuously questioned owing to the paucity of large samplesizes, controlled clinical trials, and standard protocols. This review systematically delineates the process of wound healing and involvement of platelets in tissue repair mechanisms. Additionally, emphasis is laid on PRP, its preparation methods, handling, classification,application in wound healing, and PRP as regenerative therapeutics combined with biomaterials and mesenchymal stem cells (MSCs).
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Sloos PH, Vulliamy P, van 't Veer C, Gupta AS, Neal MD, Brohi K, Juffermans NP, Kleinveld DJB. Platelet dysfunction after trauma: From mechanisms to targeted treatment. Transfusion 2022; 62 Suppl 1:S281-S300. [PMID: 35748694 PMCID: PMC9546174 DOI: 10.1111/trf.16971] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 05/06/2022] [Accepted: 05/09/2022] [Indexed: 11/30/2022]
Affiliation(s)
- Pieter H. Sloos
- Department of Intensive Care Medicine, Amsterdam UMCUniversity of AmsterdamAmsterdamThe Netherlands
- Laboratory of Experimental Intensive Care and Anesthesiology, Amsterdam UMCUniversity of AmsterdamAmsterdamThe Netherlands
| | - Paul Vulliamy
- Centre for Trauma Sciences, Blizard Institute, Barts and the London School of Medicine and DentistryQueen Mary University of LondonLondonUK
| | - Cornelis van 't Veer
- Center for Experimental and Molecular Medicine, Amsterdam UMCUniversity of AmsterdamAmsterdamThe Netherlands
| | - Anirban Sen Gupta
- Department of Biomedical EngineeringCase Western Reserve UniversityClevelandOhioUSA
| | - Matthew D. Neal
- Pittsburgh Trauma and Transfusion Medicine Research Center and Division of Trauma and Acute Care SurgeryUniversity of PittsburghPittsburghPennsylvaniaUSA
| | - Karim Brohi
- Centre for Trauma Sciences, Blizard Institute, Barts and the London School of Medicine and DentistryQueen Mary University of LondonLondonUK
| | - Nicole P. Juffermans
- Laboratory of Experimental Intensive Care and Anesthesiology, Amsterdam UMCUniversity of AmsterdamAmsterdamThe Netherlands
- Department of Intensive Care MedicineOLVG HospitalAmsterdamThe Netherlands
| | - Derek J. B. Kleinveld
- Laboratory of Experimental Intensive Care and Anesthesiology, Amsterdam UMCUniversity of AmsterdamAmsterdamThe Netherlands
- Department of Intensive Care MedicineErasmus MCRotterdamThe Netherlands
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11
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Raghunathan S, Rayes J, Sen Gupta A. Platelet-inspired nanomedicine in hemostasis thrombosis and thromboinflammation. J Thromb Haemost 2022; 20:1535-1549. [PMID: 35435322 PMCID: PMC9323419 DOI: 10.1111/jth.15734] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 03/30/2022] [Accepted: 04/01/2022] [Indexed: 12/01/2022]
Abstract
Platelets are anucleate cell-fragments derived predominantly from megakaryocytes in the bone marrow and released in the blood circulation, with a normal count of 150 000-40 000 per μl and a lifespan of approximately 10 days in humans. A primary role of platelets is to aid in vascular injury site-specific clot formation to stanch bleeding, termed hemostasis. Platelets render hemostasis by a complex concert of mechanisms involving platelet adhesion, activation and aggregation, coagulation amplification, and clot retraction. Additionally, platelet secretome can influence coagulation kinetics and clot morphology. Therefore, platelet defects and dysfunctions result in bleeding complications. Current treatment for such complications involve prophylactic or emergency transfusion of platelets. However, platelet transfusion logistics constantly suffer from limited donor availability, challenges in portability and storage, high bacterial contamination risks, and very short shelf life (~5 days). To address these issues, an exciting area of research is focusing on the development of microparticle- and nanoparticle-based platelet surrogate technologies that can mimic various hemostatic mechanisms of platelets. On the other hand, aberrant occurrence of the platelet mechanisms lead to the pathological manifestation of thrombosis and thromboinflammation. The treatments for this are focused on inhibiting the mechanisms or resolving the formed clots. Here, platelet-inspired technologies can provide unique platforms for disease-targeted drug delivery to achieve high therapeutic efficacy while avoiding systemic side-effects. This review will provide brief mechanistic insight into the role of platelets in hemostasis, thrombosis and thromboinflammation, and present the current state-of-art in the design of platelet-inspired nanomedicine for applications in these areas.
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Affiliation(s)
- Shruti Raghunathan
- Department of Biomedical EngineeringCase Western Reserve UniversityClevelandOhioUSA
| | - Julie Rayes
- Institute of Cardiovascular SciencesCollege of Medical and Dental SciencesUniversity of BirminghamBirminghamUK
| | - Anirban Sen Gupta
- Department of Biomedical EngineeringCase Western Reserve UniversityClevelandOhioUSA
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12
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Hong C, Alser O, Gebran A, He Y, Joo W, Kokoroskos N, Velmahos G, Olsen BD, Hammond PT. Modulating Nanoparticle Size to Understand Factors Affecting Hemostatic Efficacy and Maximize Survival in a Lethal Inferior Vena Cava Injury Model. ACS NANO 2022; 16:2494-2510. [PMID: 35090344 PMCID: PMC9989960 DOI: 10.1021/acsnano.1c09108] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Intravenous nanoparticle hemostats offer a potentially attractive approach to promote hemostasis, in particular for inaccessible wounds such as noncompressible torso hemorrhage (NCTH). In this work, particle size was tuned over a range of <100-500 nm, and its effect on nanoparticle-platelet interactions was systematically assessed using in vitro and in vivo experiments. Smaller particles bound a larger percentage of platelets per mass of particle delivered, while larger particles resulted in higher particle accumulation on a surface of platelets and collagen. Intermediate particles led to the greatest platelet content in platelet-nanoparticle aggregates, indicating that they may be able to recruit more platelets to the wound. In biodistribution studies, smaller and intermediate nanoparticles exhibited longer circulation lifetimes, while larger nanoparticles resulted in higher pulmonary accumulation. The particles were then challenged in a 2 h lethal inferior vena cava (IVC) puncture model, where intermediate nanoparticles significantly increased both survival and injury-specific targeting relative to saline and unfunctionalized particle controls. An increase in survival in the second hour was likewise observed in the smaller nanoparticles relative to saline controls, though no significant increase in survival was observed in the larger nanoparticle size. In conjunction with prior in vitro and in vivo experiments, these results suggest that platelet content in aggregates and extended nanoparticle circulation lifetimes are instrumental to enhancing hemostasis. Ultimately, this study elucidates the role of particle size in platelet-particle interactions, which can be a useful tool for engineering the performance of particulate hemostats and improving the design of these materials.
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Affiliation(s)
- Celestine Hong
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Osaid Alser
- Division of Trauma, Emergency Surgery and Surgical Critical Care, Department of Surgery, Massachusetts General Hospital & Harvard Medical School, Boston, Massachusetts 02144, USA
| | - Anthony Gebran
- Division of Trauma, Emergency Surgery and Surgical Critical Care, Department of Surgery, Massachusetts General Hospital & Harvard Medical School, Boston, Massachusetts 02144, USA
| | - Yanpu He
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Wontae Joo
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Nikolaos Kokoroskos
- Division of Trauma, Emergency Surgery and Surgical Critical Care, Department of Surgery, Massachusetts General Hospital & Harvard Medical School, Boston, Massachusetts 02144, USA
| | - George Velmahos
- Division of Trauma, Emergency Surgery and Surgical Critical Care, Department of Surgery, Massachusetts General Hospital & Harvard Medical School, Boston, Massachusetts 02144, USA
| | - Bradley D. Olsen
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Paula T. Hammond
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
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13
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A review of treatments for non-compressible torso hemorrhage (NCTH) and internal bleeding. Biomaterials 2022; 283:121432. [DOI: 10.1016/j.biomaterials.2022.121432] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 01/26/2022] [Accepted: 02/17/2022] [Indexed: 12/12/2022]
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14
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Sekhon UDS, Swingle K, Girish A, Luc N, de la Fuente M, Alvikas J, Haldeman S, Hassoune A, Shah K, Kim Y, Eppell S, Capadona J, Shoffstall A, Neal MD, Li W, Nieman M, Gupta AS. Platelet-mimicking procoagulant nanoparticles augment hemostasis in animal models of bleeding. Sci Transl Med 2022; 14:eabb8975. [PMID: 35080915 PMCID: PMC9179936 DOI: 10.1126/scitranslmed.abb8975] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Treatment of bleeding disorders using transfusion of donor-derived platelets faces logistical challenges due to their limited availability, high risk of contamination, and short (5 to 7 days) shelf life. These challenges could be potentially addressed by designing platelet mimetics that emulate the adhesion, aggregation, and procoagulant functions of platelets. To this end, we created liposome-based platelet-mimicking procoagulant nanoparticles (PPNs) that can expose the phospholipid phosphatidylserine on their surface in response to plasmin. First, we tested PPNs in vitro using human plasma and demonstrated plasmin-triggered exposure of phosphatidylserine and the resultant assembly of coagulation factors on the PPN surface. We also showed that this phosphatidylserine exposed on the PPN surface could restore and enhance thrombin generation and fibrin formation in human plasma depleted of platelets. In human plasma and whole blood in vitro, PPNs improved fibrin stability and clot robustness in a fibrinolytic environment. We then tested PPNs in vivo in a mouse model of thrombocytopenia where treatment with PPNs reduced blood loss in a manner comparable to treatment with syngeneic platelets. Furthermore, in rat and mouse models of traumatic hemorrhage, treatment with PPNs substantially reduced bleeding and improved survival. No sign of systemic or off-target thrombotic risks was observed in the animal studies. These findings demonstrate the potential of PPNs as a platelet surrogate that should be further investigated for the management of bleeding.
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Affiliation(s)
- Ujjal Didar Singh Sekhon
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106, USA,Corresponding author. (U.D.S.S); (A.S.G.)
| | - Kelsey Swingle
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106, USA
| | - Aditya Girish
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106, USA
| | - Norman Luc
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106, USA
| | - Maria de la Fuente
- Department of Pharmacology, Case Western Reserve University, Cleveland, OH 44106, USA
| | - Jurgis Alvikas
- Department of Surgery, University of Pittsburgh, Pittsburgh, PA 15123, USA
| | - Shannon Haldeman
- Department of Surgery, University of Pittsburgh, Pittsburgh, PA 15123, USA
| | - Adnan Hassoune
- Department of Surgery, University of Pittsburgh, Pittsburgh, PA 15123, USA
| | - Kaisal Shah
- Hathaway Brown School, Shaker Heights, OH 44122, USA
| | - Youjoung Kim
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106, USA,Advanced Platform Technology Center, Louis Stokes Cleveland Veterans Affairs Medical Center, Cleveland, OH 44106, USA
| | - Steven Eppell
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106, USA
| | - Jeffrey Capadona
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106, USA,Advanced Platform Technology Center, Louis Stokes Cleveland Veterans Affairs Medical Center, Cleveland, OH 44106, USA
| | - Andrew Shoffstall
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106, USA,Advanced Platform Technology Center, Louis Stokes Cleveland Veterans Affairs Medical Center, Cleveland, OH 44106, USA
| | - Matthew D. Neal
- Department of Surgery, University of Pittsburgh, Pittsburgh, PA 15123, USA
| | - Wei Li
- Department of Biomedical Sciences, Joan C. Edwards School of Medicine of Marshall University, Huntington, WV 25755, USA
| | - Marvin Nieman
- Department of Pharmacology, Case Western Reserve University, Cleveland, OH 44106, USA
| | - Anirban Sen Gupta
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106, USA,Department of Pharmacology, Case Western Reserve University, Cleveland, OH 44106, USA,Corresponding author. (U.D.S.S); (A.S.G.)
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15
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Luc NF, Rohner N, Girish A, Sekhon UDS, Neal MD, Gupta AS. Bioinspired artificial platelets: past, present and future. Platelets 2022; 33:35-47. [PMID: 34455908 PMCID: PMC8795470 DOI: 10.1080/09537104.2021.1967916] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Platelets are anucleate blood cells produced from megakaryocytes predominantly in the bone marrow and released into blood circulation at a healthy count of 150,000-400,00 per μL and circulation lifespan of 7-9 days. Platelets are the first responders at the site of vascular injury and bleeding, and participate in clot formation via injury site-specific primary mechanisms of adhesion, activation and aggregation to form a platelet plug, as well as secondary mechanisms of augmenting coagulation via thrombin amplification and fibrin generation. Platelets also secrete various granule contents that enhance these mechanisms for clot growth and stability. The resultant clot seals the injury site to stanch bleeding, a process termed as hemostasis. Due to this critical role, a reduction in platelet count or dysregulation in platelet function is associated with bleeding risks and hemorrhagic complications. These scenarios are often treated by prophylactic or emergency transfusion of platelets. However, platelet transfusions face significant challenges due to limited donor availability, difficult portability and storage, high bacterial contamination risks, and very short shelf life (~5-7 days). These are currently being addressed by a robust volume of research involving reduced temperature storage and pathogen reduction processes on donor platelets to improve shelf-life and reduce contamination, as well as bioreactor-based approaches to generate donor-independent platelets from stem cells in vitro. In parallel, a complementary research field has emerged that involves the design of artificial platelets utilizing biosynthetic particle constructs that functionally emulate various hemostatic mechanisms of platelets. Here, we provide a comprehensive review of the history and the current state-of-the-art artificial platelet approaches, along with discussing the translational opportunities and challenges.
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Affiliation(s)
- Norman F. Luc
- Case Western Reserve University, Department of Biomedical Engineering, Cleveland, OH 44106, USA
| | - Nathan Rohner
- Case Western Reserve University, Department of Biomedical Engineering, Cleveland, OH 44106, USA
| | - Aditya Girish
- Case Western Reserve University, Department of Biomedical Engineering, Cleveland, OH 44106, USA
| | | | - Matthew D. Neal
- University of Pittsburgh, Pittsburgh Trauma Research Center, Department of Surgery, Pittsburgh, PA 15123, USA
| | - Anirban Sen Gupta
- Case Western Reserve University, Department of Biomedical Engineering, Cleveland, OH 44106, USA
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16
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Hu B, Bao G, Xu X, Yang K. The Topical Hemostatic Materials for Coagulopathy. J Mater Chem B 2022; 10:1946-1959. [DOI: 10.1039/d1tb02523f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Medical sciences have witnessed significant progresses in hemostatic materials which have saved lives by supporting natural hemostatic ability. However, for the treatment of coagulopathy, where natural hemostatic ability is dysfunctional,...
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17
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Vulliamy P, Kornblith LZ, Kutcher ME, Cohen MJ, Brohi K, Neal MD. Alterations in platelet behavior after major trauma: adaptive or maladaptive? Platelets 2021; 32:295-304. [PMID: 31986948 PMCID: PMC7382983 DOI: 10.1080/09537104.2020.1718633] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 01/01/2020] [Accepted: 01/14/2020] [Indexed: 12/14/2022]
Abstract
Platelets are damage sentinels of the intravascular compartment, initiating and coordinating the primary response to tissue injury. Severe trauma and hemorrhage induce profound alterations in platelet behavior. During the acute post-injury phase, platelets develop a state of impaired ex vivo agonist responsiveness independent of platelet count, associated with systemic coagulopathy and mortality risk. In patients surviving the initial insult, platelets become hyper-responsive, associated with increased risk of thrombotic events. Beyond coagulation, platelets constitute part of a sterile inflammatory response to injury: both directly through release of immunomodulatory molecules, and indirectly through modifying behavior of innate leukocytes. Both procoagulant and proinflammatory aspects have implications for secondary organ injury and multiple-organ dysfunction syndromes. This review details our current understanding of adaptive and maladaptive alterations in platelet biology induced by severe trauma, mechanisms underlying these alterations, potential platelet-focused therapies, and existing knowledge gaps and their research implications.
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Affiliation(s)
- Paul Vulliamy
- Centre for Trauma Sciences, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, E1 2AT, United Kingdom
| | - Lucy Z. Kornblith
- Department of Surgery, Zuckerberg San Francisco General Hospital and the University of California, San Francisco, San Francisco, California
| | - Matthew E. Kutcher
- Division of Trauma, Critical Care, and Acute Care Surgery, University of Mississippi Medical Center, Jackson, Mississippi
| | - Mitchell J. Cohen
- Department of Surgery, University of Colorado, Aurora, Colorado
- Ernest E Moore Shock Trauma Center at Denver Health, Denver, Colorado
| | - Karim Brohi
- Centre for Trauma Sciences, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, E1 2AT, United Kingdom
| | - Matthew D. Neal
- Division of Trauma and Acute Care Surgery, Department of Surgery, University of Pittsburgh, Pittsburgh, PA
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18
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Cau MF, Strilchuk AW, Kastrup CJ. Nanomedicines for hemorrhage control. J Thromb Haemost 2021; 19:887-891. [PMID: 33694243 DOI: 10.1111/jth.15211] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 11/25/2020] [Accepted: 11/30/2020] [Indexed: 11/27/2022]
Affiliation(s)
- Massimo F Cau
- Michael Smith Laboratories, University of British Columbia, Vancouver, BC, Canada
| | - Amy W Strilchuk
- Michael Smith Laboratories, University of British Columbia, Vancouver, BC, Canada
| | - Christian J Kastrup
- Michael Smith Laboratories, University of British Columbia, Vancouver, BC, Canada
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19
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Abstract
Fluids are a vital tool in the armament of acute care clinicians in both civilian and military resuscitation. We now better understand complications from inappropriate resuscitation with currently available fluids; however, fluid resuscitation undeniably remains a life-saving intervention. Military research has driven the most significant advances in the field of fluid resuscitation and is currently leading the search for the fluids of the future. The veterinary community, much like our civilian human counterparts, should expect the fluid of the future to be the fruit of military research. The fluids of the future not only are expected to improve patient outcomes but also be field expedient. Those fluids should be compatible with military environments or natural disaster environments. For decades, military personnel and disaster responders have faced the peculiar demands of austere environments, prolonged field care, and delayed evacuation. Large scale natural disasters present field limitations often similar to those encountered in the battlefield. The fluids of the future should, therefore, have a long shelf-life, a small footprint, and be resistant to large temperature swings, for instance. Traumatic brain injury and hemorrhagic shock are the leading causes of preventable death for military casualties and a significant burden in civilian populations. The military and civilian health systems are focusing efforts on field-expedient fluids that will be specifically relevant for the management of those conditions. Fluids are expected to be compatible with blood products, increase oxygen-carrying capabilities, promote hemostasis, and be easy to administer in the prehospital setting, to match the broad spectrum of current acute care challenges, such as sepsis and severe systemic inflammation. This article will review historical military and civilian contributions to current resuscitation strategies, describe the expectations for the fluids of the future, and describe select ongoing research efforts with a review of current animal data.
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Affiliation(s)
- Thomas H. Edwards
- US Army Institute of Surgical Research, San Antonio, TX, United States
| | - Guillaume L. Hoareau
- Emergency Medicine, School of Medicine, University of Utah, Salt Lake City, UT, United States
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20
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Faizullin DA, Valiullina YA, Salnikov VV, Zuev YF. Fibrinogen Adsorption on the Lipid Surface as a Factor of Regulation of Fibrin Formation. Biophysics (Nagoya-shi) 2021. [DOI: 10.1134/s0006350921010103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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21
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Sung AD, Yen RC, Jiao Y, Bernanke A, Lewis DA, Miller SE, Li Z, Ross JR, Artica A, Piryani S, Zhou D, Liu Y, Vo-Dinh T, Hoffman M, Ortel TL, Chao NJ, Chen BJ. Fibrinogen-Coated Albumin Nanospheres Prevent Thrombocytopenia-Related Bleeding. Radiat Res 2020; 194:162-172. [PMID: 32845987 DOI: 10.1667/rade-20-00016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Accepted: 05/07/2020] [Indexed: 11/03/2022]
Abstract
Thrombocytopenia (TCP) may cause severe and life-threatening bleeding. While this may be prevented by platelet transfusions, transfusions are associated with potential complications, do not always work (platelet refractory) and are not always available. There is an urgent need for a synthetic alternative. We evaluated the ability of fibrinogen-coated nanospheres (FCNs) to prevent TCP-related bleeding. FCNs are made of human albumin polymerized into a 100-nm sphere and coated with fibrinogen. We hypothesized that FCNs would bind to platelets through fibrinogen-GPIIb/IIIa interactions, contributing to hemostasis in the setting of TCP. We used two murine models to test these effects: in the first model, BALB/c mice received 7.25 Gy total-body irradiation (TBI); in the second model, lower dose TBI (7.0 Gy) was combined with an anti-platelet antibody (anti-CD41) to induce severe TCP. Deaths in both models were due to gastrointestinal or intracranial bleeding. Addition of antiplatelet antibody to 7.0 Gy TBI significantly worsened TCP and increased mortality compared to 7.0 Gy TBI alone. FCNs significantly improved survival compared to saline control in both models, suggesting it ameliorated TCP-related bleeding. Additionally, in a saphenous vein bleeding model of antibody-induced TCP, FCNs shortened bleeding times. There were no clinical or histological findings of thrombosis or laboratory findings of disseminated intravascular coagulation after FCN treatment. In support of safety, fluorescence microscopy suggests that FCNs bind to platelets only upon platelet activation with collagen, limiting activity to areas of endothelial damage. To our knowledge, this is the first biosynthetic agent to demonstrate a survival advantage in TCP-related bleeding.
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Affiliation(s)
- Anthony D Sung
- Division of Hematologic Malignancies and Cellular Therapy, Department of Medicine, and Duke Cancer Institute
| | | | - Yiqun Jiao
- Division of Hematologic Malignancies and Cellular Therapy, Department of Medicine, and Duke Cancer Institute
| | | | | | | | - Zhiguo Li
- Department of Biostatistics & Bioinformatics
| | - Joel R Ross
- Division of Hematologic Malignancies and Cellular Therapy, Department of Medicine, and Duke Cancer Institute
| | - Alexandra Artica
- Division of Hematologic Malignancies and Cellular Therapy, Department of Medicine, and Duke Cancer Institute
| | - Sadhna Piryani
- Division of Hematologic Malignancies and Cellular Therapy, Department of Medicine, and Duke Cancer Institute
| | - Dunhua Zhou
- Division of Hematologic Malignancies and Cellular Therapy, Department of Medicine, and Duke Cancer Institute
| | - Yang Liu
- Department of Biomedical Engineering, Pratt School of Engineering
| | - Tuan Vo-Dinh
- Department of Biomedical Engineering, Pratt School of Engineering.,Department of Chemistry, Duke University, Durham, North Carolina
| | | | - Thomas L Ortel
- Division of Hematology, Department of Medicine.,Department of Pathology
| | - Nelson J Chao
- Division of Hematologic Malignancies and Cellular Therapy, Department of Medicine, and Duke Cancer Institute
| | - Benny J Chen
- Division of Hematologic Malignancies and Cellular Therapy, Department of Medicine, and Duke Cancer Institute
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22
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Klein MK, Kassam HA, Lee RH, Bergmeier W, Peters EB, Gillis DC, Dandurand BR, Rouan JR, Karver MR, Struble MD, Clemons TD, Palmer LC, Gavitt B, Pritts TA, Tsihlis ND, Stupp SI, Kibbe MR. Development of Optimized Tissue-Factor-Targeted Peptide Amphiphile Nanofibers to Slow Noncompressible Torso Hemorrhage. ACS NANO 2020; 14:6649-6662. [PMID: 32469498 PMCID: PMC7587470 DOI: 10.1021/acsnano.9b09243] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Noncompressible torso hemorrhage accounts for a significant portion of preventable trauma deaths. We report here on the development of injectable, targeted supramolecular nanotherapeutics based on peptide amphiphile (PA) molecules that are designed to target tissue factor (TF) and, therefore, selectively localize to sites of injury to slow hemorrhage. Eight TF-targeting sequences were identified, synthesized into PA molecules, coassembled with nontargeted backbone PA at various weight percentages, and characterized via circular dichroism spectroscopy, transmission electron microscopy, and X-ray scattering. Following intravenous injection in a rat liver hemorrhage model, two of these PA nanofiber coassemblies exhibited the most specific localization to the site of injury compared to controls (p < 0.05), as quantified using immunofluorescence imaging of injured liver and uninjured organs. To determine if the nanofibers were targeting TF in vivo, a mouse saphenous vein laser injury model was performed and showed that TF-targeted nanofibers colocalized with fibrin, demonstrating increased levels of nanofiber at TF-rich sites. Thromboelastograms obtained using samples of heparinized rat whole blood containing TF demonstrated that no clots were formed in the absence of TF-targeted nanofibers. Lastly, both PA nanofiber coassemblies decreased blood loss in comparison to sham and backbone nanofiber controls by 35-59% (p < 0.05). These data demonstrate an optimal TF-targeted nanofiber that localizes selectively to sites of injury and TF exposure, and, interestingly, reduces blood loss. This research represents a promising initial phase in the development of a TF-targeted injectable therapeutic to reduce preventable deaths from hemorrhage.
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Affiliation(s)
- Mia K. Klein
- Department of Surgery and Center for Nanotechnology in Drug Delivery, University of North Carolina, Chapel Hill, NC, 27599, USA
| | - Hussein Aziz Kassam
- Department of Surgery and Center for Nanotechnology in Drug Delivery, University of North Carolina, Chapel Hill, NC, 27599, USA
| | - Robert H. Lee
- Department of Biochemistry and Biophysics, University of North Carolina, Chapel Hill, NC, 27599, USA
- UNC Blood Research Center, University of North Carolina, Chapel Hill, NC, 27514, USA
| | - Wolfgang Bergmeier
- Department of Biochemistry and Biophysics, University of North Carolina, Chapel Hill, NC, 27599, USA
- UNC Blood Research Center, University of North Carolina, Chapel Hill, NC, 27514, USA
| | - Erica B. Peters
- Department of Surgery and Center for Nanotechnology in Drug Delivery, University of North Carolina, Chapel Hill, NC, 27599, USA
| | - David C. Gillis
- Department of Surgery and Center for Nanotechnology in Drug Delivery, University of North Carolina, Chapel Hill, NC, 27599, USA
| | - Brooke R. Dandurand
- Department of Surgery and Center for Nanotechnology in Drug Delivery, University of North Carolina, Chapel Hill, NC, 27599, USA
| | - Jessica R. Rouan
- Department of Surgery and Center for Nanotechnology in Drug Delivery, University of North Carolina, Chapel Hill, NC, 27599, USA
| | - Mark R. Karver
- Simpson Querrey Institute, Northwestern University, Chicago, IL, 60611, USA
| | - Mark D. Struble
- Simpson Querrey Institute, Northwestern University, Chicago, IL, 60611, USA
| | - Tristan D. Clemons
- Simpson Querrey Institute, Northwestern University, Chicago, IL, 60611, USA
- Department of Chemistry, Northwestern University, Evanston, IL, 60208, USA
- School of Molecular Sciences, University of Western Australia, Perth, WA, 6009, Australia
| | - Liam C. Palmer
- Simpson Querrey Institute, Northwestern University, Chicago, IL, 60611, USA
- Department of Chemistry, Northwestern University, Evanston, IL, 60208, USA
| | - Brian Gavitt
- United States Air Force School of Aerospace Medicine, Wright-Patterson AFB, OH, 45433, USA
| | - Timothy A. Pritts
- Department of Surgery, University of Cincinnati, Cincinnati, OH, 45267, USA
| | - Nick D. Tsihlis
- Department of Surgery and Center for Nanotechnology in Drug Delivery, University of North Carolina, Chapel Hill, NC, 27599, USA
| | - Samuel I. Stupp
- Simpson Querrey Institute, Northwestern University, Chicago, IL, 60611, USA
- Department of Chemistry, Northwestern University, Evanston, IL, 60208, USA
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, 60208, USA
- Department of Medicine, Northwestern University, Chicago, IL, 60611, USA
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, 60208, USA
| | - Melina R. Kibbe
- Department of Surgery and Center for Nanotechnology in Drug Delivery, University of North Carolina, Chapel Hill, NC, 27599, USA
- Department of Biomedical Engineering, University of North Carolina, Chapel Hill, NC, 27599, USA
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23
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Klein MK, Tsihlis ND, Pritts TA, Kibbe MR. Emerging Therapies for Prehospital Control of Hemorrhage. J Surg Res 2020; 248:182-190. [PMID: 31711614 DOI: 10.1016/j.jss.2019.09.070] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 09/09/2019] [Accepted: 09/23/2019] [Indexed: 12/22/2022]
Abstract
BACKGROUND The aim of this review was to describe emerging therapies that could serve as a prehospital intervention to slow or stop noncompressible torso hemorrhage in the civilian and military settings. Hemorrhage accounts for 90% of potentially survivable military deaths and 30%-40% of trauma deaths. There is a great need to develop novel therapies to slow or stop noncompressible torso hemorrhage at the scene of the injury. METHODS A comprehensive literature search was performed using PubMed (1966 to present) for therapies not approved by the Food and Drug Administration for noncompressible torso hemorrhage in the prehospital setting. Therapies were divided into compressive versus intravascular injectable therapies. Ease of administration, skill required to use the therapy, safety profile, stability, shelf-life, mortality benefit, and efficacy were reviewed. RESULTS Multiple potential therapies for noncompressible torso hemorrhage are currently under active investigation. These include (1) tamponade therapies, such as gas insufflation and polyurethane foam injection; (2) freeze-dried blood products and alternatives such as lyophilized platelets; (3) nanoscale injectable therapies such as polyethylene glycol nanospheres, polyethylenimine nanoparticles, SynthoPlate, and tissue factor-targeted nanofibers; and (4) other injectable therapies such as polySTAT and adenosine, lidocaine, and magnesium. Although each of these therapies shows great promise at slowing or stopping hemorrhage in animal models of noncompressible hemorrhage, further research is needed to ensure safety and efficacy in humans. CONCLUSIONS Multiple novel therapies are currently under active investigation to slow or stop noncompressible torso hemorrhage in the prehospital setting and show promising results.
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Affiliation(s)
- Mia K Klein
- Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Nick D Tsihlis
- Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Timothy A Pritts
- Department of Surgery, University of Cincinnati, Cincinnati, Ohio
| | - Melina R Kibbe
- Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina; Department of Biomedical Engineering, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
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24
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Lee JH, Jung H, Song J, Choi ES, You G, Mok H. Activated Platelet-Derived Vesicles for Efficient Hemostatic Activity. Macromol Biosci 2020; 20:e1900338. [PMID: 32053289 DOI: 10.1002/mabi.201900338] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 01/03/2020] [Indexed: 12/17/2022]
Abstract
In this study, activated platelet-derived vesicles (Act-VEs) are developed as a novel hemostatic biomaterial. Spherical Act-VEs (114.40 ± 11.69 nm in size) with surface charges of -24.73 ± 1.32 mV are successfully prepared from thrombin-activated murine platelets with high surface expression of active glycoprotein IIb/IIIa (GP IIb/IIIa, also known as αIIbβ3) and P-selectin. Although nanosized vesicles from resting platelets (VEs) and Act-VEs showed similar sizes and surface charges, Act-VEs formed much larger aggregates in the presence of thrombin and CaCl2 , compared to VEs. After incubation with fibrinogen, Act-VEs formed much denser fibrin networks compared to platelets or VEs, probably due to active αIIbβ3 on the surfaces of the Act-VEs. After intravenous injection of the Act-VEs, tail bleeding time and the blood loss are greatly reduced by Act-VEs in vivo. In addition, Act-VEs showed approximately sevenfold lower release of pro-inflammatory interleukin-1β (IL-1β) during incubation for 4 days, compared to platelets. Taken together, the formulated Act-VEs can serve as a promising hemostatic biomaterial for the efficient formation of fibrin clots without releasing pro-inflammatory cytokine.
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Affiliation(s)
- Joo Hang Lee
- Department of Bioscience and Biotechnology, Konkuk University, Seoul, 143-701, Republic of Korea
| | - Heesun Jung
- Department of Bioscience and Biotechnology, Konkuk University, Seoul, 143-701, Republic of Korea
| | - Jihyeon Song
- Department of Bioscience and Biotechnology, Konkuk University, Seoul, 143-701, Republic of Korea
| | - Eun Seo Choi
- Department of Bioscience and Biotechnology, Konkuk University, Seoul, 143-701, Republic of Korea
| | - Gayeon You
- Department of Bioscience and Biotechnology, Konkuk University, Seoul, 143-701, Republic of Korea
| | - Hyejung Mok
- Department of Bioscience and Biotechnology, Konkuk University, Seoul, 143-701, Republic of Korea
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Girish A, Sekhon U, Sen Gupta A. Bioinspired artificial platelets for transfusion applications in traumatic hemorrhage. Transfusion 2020; 60:229-231. [PMID: 31625169 PMCID: PMC7004867 DOI: 10.1111/trf.15543] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 09/16/2019] [Indexed: 12/15/2022]
Abstract
Among blood components, platelets (PLTs) present the toughest logistic challenges in transfusion due to limited availability, difficult portability and storage, high contamination risks, and very short shelf life (approx. 5 days). Robust research efforts are being directed to develop biologic PLTs in vitro as well as design biosynthetic and artificial PLT technologies that can potentially resolve these challenges to allow adequate availability and timely transfusion to improve survival in trauma.
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Affiliation(s)
- Aditya Girish
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
| | - Ujjal Sekhon
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
| | - Anirban Sen Gupta
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
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26
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Zhang N, Wei MY, Ma Q. Nanomedicines: A Potential Treatment for Blood Disorder Diseases. Front Bioeng Biotechnol 2019; 7:369. [PMID: 31850329 PMCID: PMC6892756 DOI: 10.3389/fbioe.2019.00369] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 11/13/2019] [Indexed: 12/31/2022] Open
Abstract
Blood disorder diseases (BDDs), also known as hematologic, is one of the diseases owing to hematopoietic system disorder. Chemotherapy, bone marrow transplantation, and stem cells therapy have been used to treat BDDs. However, the cure rates are still low due to the availability of the right type of bone marrow and the likelihood of recurrence and infection. With the rapid development of nanotechnology in the field of biomedicine, artificial blood or blood substitute has shown promising features for the emergency treatment of BDDs. Herein, we surveyed recent advances in the development of artificial blood components: gas carrier components (erythrocyte substitutes), immune response components (white blood cell substitutes), and hemostasis-responsive components (platelet substitutes). Platelet-inspired nanomedicines for cancer treatment were also discussed. The challenges and prospects of these treatment options in future nanomedicine development are discussed.
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Affiliation(s)
- Nan Zhang
- Chinese Academy of Inspection and Quarantine, Beijing, China
- School of Life Science and Medicine, Dalian University of Technology, Panjin, China
| | - Ming-Yuan Wei
- Texas Commission on Environmental Quality, Austin, TX, United States
| | - Qiang Ma
- Chinese Academy of Inspection and Quarantine, Beijing, China
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27
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Platelet Contributions to Trauma-Induced Coagulopathy: Updates in Post-injury Platelet Biology, Platelet Transfusions, and Emerging Platelet-Based Hemostatic Agents. CURRENT TRAUMA REPORTS 2019. [DOI: 10.1007/s40719-019-00176-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Faizullin D, Valiullina Y, Salnikov V, Zuev Y. Direct interaction of fibrinogen with lipid microparticles modulates clotting kinetics and clot structure. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2019; 23:102098. [PMID: 31655206 DOI: 10.1016/j.nano.2019.102098] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 07/23/2019] [Accepted: 09/17/2019] [Indexed: 12/13/2022]
Abstract
Extensive studies revealed the role of blood lipid microparticles (liposomes, microvesicles) in activation of coagulation cascade. The direct interaction of fibrinogen/fibrin with lipid surfaces and its consequence for hemostasis received much less attention. We observed pronounced changes in both clot morphology and kinetics of fibrin clotting in the presence of artificial liposomes. The evidence was obtained that lipid microparticles per se present a diffusion barrier to the three-dimensional fibril assembling and pose spatial restrictions for fiber elongation. On the other hand, fibrinogen adsorption results in its high local concentration on liposome surface that accelerates fibrin polymerization. Adsorption induces Fg secondary structure alterations which may contribute to the abnormal clot morphology. In dependence on lipid composition and size of microparticles, the interplay of all the outlined mechanisms determines functionally important changes of clot morphology. The obtained results contribute to the knowledge of clotting mechanisms in the presence of artificial and natural lipid microparticles.
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Affiliation(s)
- Dzhigangir Faizullin
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, Kazan, Russia; Kazan Federal University, Kazan, Russia.
| | - Yuliya Valiullina
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, Kazan, Russia
| | - Vadim Salnikov
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, Kazan, Russia; Kazan Federal University, Kazan, Russia
| | - Yuriy Zuev
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, Kazan, Russia; Kazan Federal University, Kazan, Russia; Kazan State Power Engineering University, Kazan, Russia.
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Girish A, Hickman DA, Banerjee A, Luc N, Ma Y, Miyazawa K, Sekhon UDS, Sun M, Huang S, Sen Gupta A. Trauma-targeted delivery of tranexamic acid improves hemostasis and survival in rat liver hemorrhage model. J Thromb Haemost 2019; 17:1632-1644. [PMID: 31220416 PMCID: PMC10124760 DOI: 10.1111/jth.14552] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 06/13/2019] [Accepted: 06/17/2019] [Indexed: 12/21/2022]
Abstract
BACKGROUND Trauma-associated hemorrhage and coagulopathy remain leading causes of mortality. Such coagulopathy often leads to a hyperfibrinolytic phenotype where hemostatic clots become unstable because of upregulated tissue plasminogen activator (tPA) activity. Tranexamic acid (TXA), a synthetic inhibitor of tPA, has emerged as a promising drug to mitigate fibrinolysis. TXA is US Food and Drug Administration-approved for treating heavy menstrual and postpartum bleeding, and has shown promise in trauma treatment. However, emerging reports also implicate TXA for off-target systemic coagulopathy, thromboembolic complications, and neuropathy. OBJECTIVE We hypothesized that targeted delivery of TXA to traumatic injury site can enable its clot-stabilizing action site-selectively, to improve hemostasis and survival while avoiding off-target effects. To test this, we used liposomes as a model delivery vehicle, decorated their surface with a fibrinogen-mimetic peptide for anchorage to active platelets within trauma-associated clots, and encapsulated TXA within them. METHODS The TXA-loaded trauma-targeted nanovesicles (T-tNVs) were evaluated in vitro in rat blood, and then in vivo in a liver trauma model in rats. TXA-loaded control (untargeted) nanovesicles (TNVs), free TXA, or saline were studied as comparison groups. RESULTS Our studies show that in vitro, the T-tNVs could resist lysis in tPA-spiked rat blood. In vivo, T-tNVs maintained systemic safety, significantly reduced blood loss and improved survival in the rat liver hemorrhage model. Postmortem evaluation of excised tissue from euthanized rats confirmed systemic safety and trauma-targeted activity of the T-tNVs. CONCLUSION Overall, the studies establish the potential of targeted TXA delivery for safe injury site-selective enhancement and stabilization of hemostatic clots to improve survival in trauma.
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Affiliation(s)
- Aditya Girish
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
| | - DaShawn A. Hickman
- Department of Pathology, Case Western Reserve University, Cleveland, Ohio
| | - Ankush Banerjee
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
| | - Norman Luc
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
| | - Yifeng Ma
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
| | - Kenji Miyazawa
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
| | - Ujjal D. S. Sekhon
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
| | - Michael Sun
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
| | - Stephanie Huang
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
| | - Anirban Sen Gupta
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Department of Pathology, Case Western Reserve University, Cleveland, Ohio
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Dyer MR, Alexander W, Hassoune A, Chen Q, Alvikas J, Liu Y, Haldeman S, Plautz W, Loughran P, Li H, Boone B, Sadovsky Y, Sunnd P, Zuckerbraun BS, Neal MD. Platelet-derived extracellular vesicles released after trauma promote hemostasis and contribute to DVT in mice. J Thromb Haemost 2019; 17:1733-1745. [PMID: 31294514 PMCID: PMC6773503 DOI: 10.1111/jth.14563] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 06/24/2019] [Accepted: 06/27/2019] [Indexed: 01/30/2023]
Abstract
BACKGROUND Traumatic injury can lead to dysregulation of the normal clotting system, resulting in hemorrhagic and thrombotic complications. Platelet activation is robust following traumatic injury and one process of platelet activation is to release of extracellular vesicles (PEV) that carry heterogenous cargo loads and surface ligands. OBJECTIVES We sought to investigate and characterize the release and function of PEVs generated following traumatic injury. METHODS PEV content and quantity in circulation following trauma in humans and mice was measured using flow cytometry, size exclusion chromatography, and nanoparticle tracking analysis. PEVs were isolated from circulation and the effects on thrombin generation, bleeding time, hemorrhage control, and thrombus formation were determined. Finally, the effect of hydroxychloroquine (HCQ) on PEV release and thrombosis were examined. RESULTS Human and murine trauma results in a significant release of PEVs into circulation compared with healthy controls. These PEVs result in abundant thrombin generation, increased platelet aggregation, decreased bleeding times, and decreased hemorrhage in uncontrolled bleeding. Conversely, PEVs contributed to enhanced venous thrombus formation and were recruited to the developing thrombus site. Interestingly, HCQ treatment resulted in decreased platelet aggregation, decreased PEV release, and reduced deep vein thrombosis burden in mice. CONCLUSIONS These data demonstrate that trauma results in significant release of PEVs which are both pro-hemostatic and pro-thrombotic. The effects of PEVs can be mitigated by treatment with HCQ, suggesting the potential use as a form of deep vein thrombosis prophylaxis.
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Affiliation(s)
- Mitchell R. Dyer
- Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA
| | | | - Adnan Hassoune
- Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA
| | - Qiwei Chen
- Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA
| | - Jurgis Alvikas
- Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA
| | - Yingjie Liu
- Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA
| | - Shannon Haldeman
- Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA
| | - Will Plautz
- University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - Patricia Loughran
- Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA
- Center for Biological Imaging, University of Pittsburgh, Pittsburgh, PA
| | - Hui Li
- Magee-Women’s Research Institute, Department of Obstetrics, Gynecology, and Reproductive Science, Pittsburgh, PA
- Xiangya School of Medicine, Central South University, Changsha, Hunan, 410000, China
| | - Brian Boone
- Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA
| | - Yoel Sadovsky
- Magee-Women’s Research Institute, Department of Obstetrics, Gynecology, and Reproductive Science, Pittsburgh, PA
| | - Prithu Sunnd
- Pittsburgh Heart, Lung, and Blood Vascular Medicine Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | | | - Matthew D. Neal
- Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA
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Kornblith LZ, Moore HB, Cohen MJ. Trauma-induced coagulopathy: The past, present, and future. J Thromb Haemost 2019; 17:852-862. [PMID: 30985957 PMCID: PMC6545123 DOI: 10.1111/jth.14450] [Citation(s) in RCA: 133] [Impact Index Per Article: 26.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 04/02/2019] [Accepted: 04/03/2019] [Indexed: 12/12/2022]
Abstract
Trauma remains a leading cause of death worldwide, and most early preventable deaths in both the civilian and military settings are due to uncontrolled hemorrhage, despite paradigm advances in modern trauma care. Combined tissue injury and shock result in hemostatic failure, which has been identified as a multidimensional molecular, physiologic and clinical disorder termed trauma-induced coagulopathy (TIC). Understanding the biology of TIC is of utmost importance, as it is often responsible for uncontrolled bleeding, organ failure, thromboembolic complications, and death. Investigations have shown that TIC is characterized by multiple phenotypes of impaired hemostasis due to altered biology in clot formation and breakdown. These coagulopathies are attributable to tissue injury and shock, and encompass underlying endothelial, immune and inflammatory perturbations. Despite the recognition and identification of multiple mechanisms and mediators of TIC, and the development of targeted treatments, the mortality rates and associated morbidities due to hemorrhage after injury remain high. The purpose of this review is to examine the past and present understanding of the multiple distinct but highly integrated pathways implicated in TIC, in order to highlight the current knowledge gaps and future needs in this evolving field, with the aim of reducing morbidity and mortality after injury.
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Affiliation(s)
- Lucy Z. Kornblith
- Department of Surgery, Zuckerberg San Francisco General Hospital and the University of California, San Francisco, San Francisco, California, 1001 Potrero Avenue, Building 1, Suite 210, San Francisco, CA 94110
| | - Hunter B. Moore
- Department of Surgery, Denver Health Medical Center and the University of Colorado, Denver, Colorado, 777 Bannock Street. Mail Code 0206, Denver, CO 80203
| | - Mitchell J. Cohen
- Department of Surgery, Denver Health Medical Center and the University of Colorado, Denver, Colorado, 777 Bannock Street. Mail Code 0206, Denver, CO 80203
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32
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Gkikas M, Peponis T, Mesar T, Hong C, Avery RK, Roussakis E, Yoo HJ, Parakh A, Patino M, Sahani DV, Watkins MT, Oklu R, Evans CL, Albadawi H, Velmahos G, Olsen BD. Systemically Administered Hemostatic Nanoparticles for Identification and Treatment of Internal Bleeding. ACS Biomater Sci Eng 2019; 5:2563-2576. [PMID: 33405762 DOI: 10.1021/acsbiomaterials.9b00054] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Internal bleeding is an injury that can be difficult to localize and effectively treat without invasive surgeries. Injectable polymeric nanoparticles have been developed that can reduce clotting times and blood loss, but they have yet to incorporate sufficient diagnostic capabilities to assist in identifying bleeding sources. Herein, polymeric nanoparticles were developed to simultaneously treat internal bleeding while incorporating tracers for visualization of the nanoparticles by standard clinical imaging modalities. Addition of 1,1'-dioctadecyl-3,3,3',3'-tetramethylindodicarbocyanine perchlorate (DiD; a fluorescent dye), biotin functionality, and gold nanoparticles to hemostatic polymeric nanoparticles resulted in nanoparticles amenable to imaging with near-infrared (NIR) imaging, immunohistochemistry, and X-ray computed tomography (CT), respectively. Following a lethal liver resection injury, visualization of accumulated nanoparticles by multiple imaging methods was achieved in rodents, with the highest accumulation observed at the liver injury site, resulting in improved survival rates. Tracer addition to therapeutic nanoparticles allows for an expansion of their applicability, during stabilization by first responders to diagnosis and identification of unknown internal bleeding sites by clinicians using standard clinical imaging modalities.
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Affiliation(s)
- Manos Gkikas
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States.,Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States.,Department of Chemistry, University of Massachusetts Lowell, Lowell, Massachusetts 01854, United States
| | - Thomas Peponis
- Department of Trauma, Emergency Surgery and Surgical Critical Care, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02144, United States
| | - Tomaz Mesar
- Department of Trauma, Emergency Surgery and Surgical Critical Care, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02144, United States
| | - Celestine Hong
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States.,Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Reginald K Avery
- Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States.,Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Emmanuel Roussakis
- Wellman Center for Photomedicine, Massachusetts General Hospital, Charlestown, Massachusetts 02129, United States
| | - Hyung-Jin Yoo
- Division of Vascular and Endovascular Surgery, Massachusetts General Hospital, Boston, Massachusetts 02144, United States
| | - Anushri Parakh
- Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts 02144, United States
| | - Manuel Patino
- Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts 02144, United States
| | - Dushyant V Sahani
- Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts 02144, United States
| | - Michael T Watkins
- Division of Vascular and Endovascular Surgery, Massachusetts General Hospital, Boston, Massachusetts 02144, United States
| | - Rahmi Oklu
- Division of Vascular and Interventional Radiology, Mayo Clinic, Scottsdale, Arizona 85259, United States
| | - Conor L Evans
- Wellman Center for Photomedicine, Massachusetts General Hospital, Charlestown, Massachusetts 02129, United States
| | - Hassan Albadawi
- Division of Vascular and Interventional Radiology, Mayo Clinic, Scottsdale, Arizona 85259, United States
| | - George Velmahos
- Department of Trauma, Emergency Surgery and Surgical Critical Care, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02144, United States
| | - Bradley D Olsen
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States.,Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
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Intravenous administration of synthetic platelets (SynthoPlate) in a mouse liver injury model of uncontrolled hemorrhage improves hemostasis. J Trauma Acute Care Surg 2019. [PMID: 29538234 DOI: 10.1097/ta.0000000000001893] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND Clinical resuscitative treatment of traumatic hemorrhage involves transfusion of RBC, platelets and plasma in controlled ratios. However, use of such blood components, especially platelets, present many challenges including availability, portability, contamination risks, and short shelf-life, which limit the use of platelet transfusions outside of large trauma centers such as remote civilian hospitals and austere prehospital settings. This has prompted significant research in platelet substitutes that may resolve the above issues while providing platelet-mimetic hemostatic action. In this framework, we have developed a synthetic platelet surrogate, SynthoPlate, by integrative decoration of platelet function mimetic peptides on a biocompatible lipid nanovesicle platform. We have previously demonstrated hemostatic capability of SynthoPlate in correcting tail-bleeding time in thrombocytopenic mice. Building on this, we hypothesized that SynthoPlate transfusion would decrease bleeding in a murine model of acute hemorrhagic shock. METHODS A validated model of uncontrolled intraperitoneal hemorrhage, via liver laceration was used to induce hemorrhagic shock in mice. SynthoPlate, control (unmodified) particles, and normal saline were administered as pretreatment and recue infusions to mice undergoing liver laceration and evaluated for hemostatic benefit by determining differences in blood loss and monitoring real-time hemodynamic data. RESULTS Pretreatment SynthoPlate transfusion resulted in significant reduction of blood loss following hemorrhage, compared with control particles or normal saline treatment (0.86 ± 0.16 g control particles [CP] vs. 0.84 ± 0.13 g normal saline [NS] vs. 0.68 ± 0.09 g SynthoPlate, p < 0.005). SynthoPlate transfused mice demonstrated improved hemodynamics taking significantly longer to develop post-injury hypotension (168.3 ± 106.6 seconds CP vs. 137 ± 58 seconds NS vs. 546.7 ± 329.8 seconds SynthoPlate, p < 0.05). SynthoPlate infusion following liver laceration, that is, rescue transfusion, also resulted in a significant decrease in blood loss (0.89 ± 0.17 g CP vs. 0.92 ± 0.19 g NS vs. 0.69 ± 0.18 g SynthoPlate, p < 0.05). CONCLUSION Transfusion of SynthoPlate particles reduces blood loss in a murine model of liver injury, and SynthoPlates may represent a viable transfusion product for the mitigation of blood loss in acute, severe hemorrhagic shock.
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34
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Lu Y, Hu Q, Jiang C, Gu Z. Platelet for drug delivery. Curr Opin Biotechnol 2018; 58:81-91. [PMID: 30529814 DOI: 10.1016/j.copbio.2018.11.010] [Citation(s) in RCA: 117] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 11/14/2018] [Indexed: 01/09/2023]
Abstract
Platelets play a vital physiological role in hemostasis, inflammation and tissue regeneration, which are associated with wound healing as well as cancer development and metastasis. These years, a variety of platelet-mediated drug delivery approaches have been developed due to their unique properties, such as quick replenishment and site-specific activation/adhesion. In this Current Opinion, focuses are put on strategies leveraging the physiological functions of platelets for the design of drug delivery systems, including platelet engineering, platelet hitchhiking, membrane coating, synthetic platelet fabrication and platelet-triggered drug release for different applications.
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Affiliation(s)
- Yifei Lu
- Key Laboratory of Smart Drug Delivery, Ministry of Education, State Key Laboratory of Medical Neurobiology, Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Quanyin Hu
- Department of Bioengineering, University of California, Los Angeles, CA 90095, United States
| | - Chen Jiang
- Key Laboratory of Smart Drug Delivery, Ministry of Education, State Key Laboratory of Medical Neurobiology, Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, China.
| | - Zhen Gu
- Department of Bioengineering, University of California, Los Angeles, CA 90095, United States; California NanoSystems Institute, Jonsson Comprehensive Cancer Center, and Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, CA 90095, United States.
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35
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Pohlman TH, Fecher AM, Arreola-Garcia C. Optimizing transfusion strategies in damage control resuscitation: current insights. J Blood Med 2018; 9:117-133. [PMID: 30154676 PMCID: PMC6108342 DOI: 10.2147/jbm.s165394] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
From clinical and laboratory studies of specific coagulation defects induced by injury, damage control resuscitation (DCR) emerged as the most effective management strategy for hemorrhagic shock. DCR of the trauma patient who has sustained massive blood loss consists of 1) hemorrhage control; 2) permissive hypotension; and 3) the prevention and correction of trauma-induced coagulopathies, referred to collectively here as acute coagulopathy of trauma (ACOT). Trauma patients with ACOT have higher transfusion requirements, may eventually require massive transfusion, and are at higher risk of exsanguinating. Distinct impairments in the hemostatic system associated with trauma include acquired quantitative and qualitative platelet defects, hypocoagulable and hypercoagulable states, and dysregulation of the fibrinolytic system giving rise to hyperfibrinolysis or a phenomenon referred to as fibrinolytic shutdown. Furthermore, ACOT is a component of a systemic host defense dysregulation syndrome that bears several phenotypic features comparable with other acute systemic physiological insults such as sepsis, myocardial infarction, and postcardiac arrest syndrome. Progress in the science of resuscitation has been continuing at an accelerated rate, and clinicians who manage catastrophic blood loss may be incompletely informed of important advances that pertain to DCR. Therefore, we review recent findings that further characterize the pathophysiology of ACOT and describe the application of this new information to optimization of resuscitation strategies for the patient in hemorrhagic shock.
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Affiliation(s)
- Timothy H Pohlman
- Department of Surgery, Lutheran Hospital of Indiana, Fort Wayne, IN, USA,
| | - Alison M Fecher
- Department of Surgery, Lutheran Hospital of Indiana, Fort Wayne, IN, USA
| | - Cecivon Arreola-Garcia
- Department of Surgery, Section of Acute Care Surgery, Indiana University Health, Indianapolis, IN, USA
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36
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Hickman DA, Pawlowski CL, Shevitz A, Luc NF, Kim A, Girish A, Marks J, Ganjoo S, Huang S, Niedoba E, Sekhon UDS, Sun M, Dyer M, Neal MD, Kashyap VS, Sen Gupta A. Intravenous synthetic platelet (SynthoPlate) nanoconstructs reduce bleeding and improve 'golden hour' survival in a porcine model of traumatic arterial hemorrhage. Sci Rep 2018; 8:3118. [PMID: 29449604 PMCID: PMC5814434 DOI: 10.1038/s41598-018-21384-z] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 02/02/2018] [Indexed: 12/14/2022] Open
Abstract
Traumatic non-compressible hemorrhage is a leading cause of civilian and military mortality and its treatment requires massive transfusion of blood components, especially platelets. However, in austere civilian and battlefield locations, access to platelets is highly challenging due to limited supply and portability, high risk of bacterial contamination and short shelf-life. To resolve this, we have developed an I.V.-administrable 'synthetic platelet' nanoconstruct (SynthoPlate), that can mimic and amplify body's natural hemostatic mechanisms specifically at the bleeding site while maintaining systemic safety. Previously we have reported the detailed biochemical and hemostatic characterization of SynthoPlate in a non-trauma tail-bleeding model in mice. Building on this, here we sought to evaluate the hemostatic ability of SynthoPlate in emergency administration within the 'golden hour' following traumatic hemorrhagic injury in the femoral artery, in a pig model. We first characterized the storage stability and post-sterilization biofunctionality of SynthoPlate in vitro. The nanoconstructs were then I.V.-administered to pigs and their systemic safety and biodistribution were characterized. Subsequently we demonstrated that, following femoral artery injury, bolus administration of SynthoPlate could reduce blood loss, stabilize blood pressure and significantly improve survival. Our results indicate substantial promise of SynthoPlate as a viable platelet surrogate for emergency management of traumatic bleeding.
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Affiliation(s)
- DaShawn A Hickman
- Department of Pathology, Case Western Reserve University, Cleveland, OH, 44106, USA
| | - Christa L Pawlowski
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, 44106, USA
| | - Andrew Shevitz
- University Hospitals of Cleveland, Division of Vascular Surgery, Cleveland, OH, 44106, USA
| | - Norman F Luc
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, 44106, USA
| | - Ann Kim
- University Hospitals of Cleveland, Division of Vascular Surgery, Cleveland, OH, 44106, USA
| | - Aditya Girish
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, 44106, USA
| | - Joyann Marks
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, 44106, USA
| | - Simi Ganjoo
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, 44106, USA
| | - Stephanie Huang
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, 44106, USA
| | - Edward Niedoba
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, 44106, USA
| | - Ujjal D S Sekhon
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, 44106, USA
| | - Michael Sun
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, 44106, USA
| | - Mitchell Dyer
- Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, 15213, USA
| | - Matthew D Neal
- Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, 15213, USA
| | - Vikram S Kashyap
- University Hospitals of Cleveland, Division of Vascular Surgery, Cleveland, OH, 44106, USA
| | - Anirban Sen Gupta
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, 44106, USA.
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Hickman DA, Pawlowski CL, Sekhon UDS, Marks J, Gupta AS. Biomaterials and Advanced Technologies for Hemostatic Management of Bleeding. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:10.1002/adma.201700859. [PMID: 29164804 PMCID: PMC5831165 DOI: 10.1002/adma.201700859] [Citation(s) in RCA: 256] [Impact Index Per Article: 42.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2017] [Revised: 06/18/2017] [Indexed: 05/03/2023]
Abstract
Bleeding complications arising from trauma, surgery, and as congenital, disease-associated, or drug-induced blood disorders can cause significant morbidities and mortalities in civilian and military populations. Therefore, stoppage of bleeding (hemostasis) is of paramount clinical significance in prophylactic, surgical, and emergency scenarios. For externally accessible injuries, a variety of natural and synthetic biomaterials have undergone robust research, leading to hemostatic technologies including glues, bandages, tamponades, tourniquets, dressings, and procoagulant powders. In contrast, treatment of internal noncompressible hemorrhage still heavily depends on transfusion of whole blood or blood's hemostatic components (platelets, fibrinogen, and coagulation factors). Transfusion of platelets poses significant challenges of limited availability, high cost, contamination risks, short shelf-life, low portability, performance variability, and immunological side effects, while use of fibrinogen or coagulation factors provides only partial mechanisms for hemostasis. With such considerations, significant interdisciplinary research endeavors have been focused on developing materials and technologies that can be manufactured conveniently, sterilized to minimize contamination and enhance shelf-life, and administered intravenously to mimic, leverage, and amplify physiological hemostatic mechanisms. Here, a comprehensive review regarding the various topical, intracavitary, and intravenous hemostatic technologies in terms of materials, mechanisms, and state-of-art is provided, and challenges and opportunities to help advancement of the field are discussed.
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Affiliation(s)
- DaShawn A Hickman
- Case Western Reserve University School of Medicine, Department of Pathology, Cleveland, Ohio 44106, USA
| | - Christa L Pawlowski
- Case Western Reserve University, Department of Biomedical Engineering, Cleveland, Ohio 44106, USA
| | - Ujjal D S Sekhon
- Case Western Reserve University, Department of Biomedical Engineering, Cleveland, Ohio 44106, USA
| | - Joyann Marks
- Case Western Reserve University, Department of Biomedical Engineering, Cleveland, Ohio 44106, USA
| | - Anirban Sen Gupta
- Case Western Reserve University, Department of Biomedical Engineering, Cleveland, Ohio 44106, USA
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Sen Gupta A. Bio-inspired nanomedicine strategies for artificial blood components. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2017; 9:10.1002/wnan.1464. [PMID: 28296287 PMCID: PMC5599317 DOI: 10.1002/wnan.1464] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Revised: 01/23/2017] [Accepted: 01/29/2017] [Indexed: 11/12/2022]
Abstract
Blood is a fluid connective tissue where living cells are suspended in noncellular liquid matrix. The cellular components of blood render gas exchange (RBCs), immune surveillance (WBCs) and hemostatic responses (platelets), and the noncellular components (salts, proteins, etc.) provide nutrition to various tissues in the body. Dysfunction and deficiencies in these blood components can lead to significant tissue morbidity and mortality. Consequently, transfusion of whole blood or its components is a clinical mainstay in the management of trauma, surgery, myelosuppression, and congenital blood disorders. However, donor-derived blood products suffer from issues of shortage in supply, need for type matching, high risks of pathogenic contamination, limited portability and shelf-life, and a variety of side-effects. While robust research is being directed to resolve these issues, a parallel clinical interest has developed toward bioengineering of synthetic blood substitutes that can provide blood's functions while circumventing the above problems. Nanotechnology has provided exciting approaches to achieve this, using materials engineering strategies to create synthetic and semi-synthetic RBC substitutes for enabling oxygen transport, platelet substitutes for enabling hemostasis, and WBC substitutes for enabling cell-specific immune response. Some of these approaches have further extended the application of blood cell-inspired synthetic and semi-synthetic constructs for targeted drug delivery and nanomedicine. The current study provides a comprehensive review of the various nanotechnology approaches to design synthetic blood cells, along with a critical discussion of successes and challenges of the current state-of-art in this field. WIREs Nanomed Nanobiotechnol 2017, 9:e1464. doi: 10.1002/wnan.1464 For further resources related to this article, please visit the WIREs website.
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Affiliation(s)
- Anirban Sen Gupta
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, USA
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Tasci TO, Disharoon D, Schoeman RM, Rana K, Herson PS, Marr DWM, Neeves KB. Enhanced Fibrinolysis with Magnetically Powered Colloidal Microwheels. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2017; 13:10.1002/smll.201700954. [PMID: 28719063 PMCID: PMC7927958 DOI: 10.1002/smll.201700954] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Revised: 06/16/2017] [Indexed: 05/19/2023]
Abstract
Thrombi that occlude blood vessels can be resolved with fibrinolytic agents that degrade fibrin, the polymer that forms between and around platelets to provide mechanical stability. Fibrinolysis rates however are often constrained by transport-limited delivery to and penetration of fibrinolytics into the thrombus. Here, these limitations are overcome with colloidal microwheel (µwheel) assemblies functionalized with the fibrinolytic tissue-type plasminogen activator (tPA) that assemble, rotate, translate, and eventually disassemble via applied magnetic fields. These microwheels lead to rapid fibrinolysis by delivering a high local concentration of tPA to induce surface lysis and, by taking advantage of corkscrew motion, mechanically penetrating into fibrin gels and platelet-rich thrombi to initiate bulk degradation. Fibrinolysis of plasma-derived fibrin gels by tPA-microwheels is fivefold faster than with 1 µg mL-1 tPA. µWheels following corkscrew trajectories can also penetrate through 100 µm sized platelet-rich thrombi formed in a microfluidic model of hemostasis in ≈5 min. This unique combination of surface and bulk dissolution mechanisms with mechanical action yields a targeted fibrinolysis strategy that could be significantly faster than approaches relying on diffusion alone, making it well-suited for occlusions in small or penetrating vessels not accessible to catheter-based removal.
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Affiliation(s)
- Tonguc O Tasci
- Chemical and Biological Engineering Department, Colorado School of Mines, 1500 Illinois St., Golden, CO, 80401, USA
| | - Dante Disharoon
- Chemical and Biological Engineering Department, Colorado School of Mines, 1500 Illinois St., Golden, CO, 80401, USA
| | - Rogier M Schoeman
- Chemical and Biological Engineering Department, Colorado School of Mines, 1500 Illinois St., Golden, CO, 80401, USA
| | - Kuldeepsinh Rana
- Chemical and Biological Engineering Department, Colorado School of Mines, 1500 Illinois St., Golden, CO, 80401, USA
| | - Paco S Herson
- Department of Anesthesiology, University of Colorado School of Medicine, 12800 East 19th Ave., Aurora, CO, 80045, USA
- Department of Pharmacology, University of Colorado School of Medicine, 12800 East 19th Ave., Aurora, CO, 80045, USA
| | - David W M Marr
- Chemical and Biological Engineering Department, Colorado School of Mines, 1500 Illinois St., Golden, CO, 80401, USA
| | - Keith B Neeves
- Chemical and Biological Engineering Department, Colorado School of Mines, 1500 Illinois St., Golden, CO, 80401, USA
- Department of Pediatrics, University of Colorado School of Medicine, 12800 East 19th Ave., Aurora, CO, 80045, USA
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Hansen CE, Myers DR, Baldwin WH, Sakurai Y, Meeks SL, Lyon LA, Lam WA. Platelet-Microcapsule Hybrids Leverage Contractile Force for Targeted Delivery of Hemostatic Agents. ACS NANO 2017; 11:5579-5589. [PMID: 28541681 DOI: 10.1021/acsnano.7b00929] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
We report a cell-mediated, targeted drug delivery system utilizing polyelectrolyte multilayer capsules that hybridize with the patient's own platelets upon intravenous administration. The hybridized platelets function as the sensor and actuator for targeted drug delivery and controlled release in our system. These capsules are biochemically and mechanically tuned to enable platelet adhesion and capsule rupture upon platelet activation and contraction, enabling the targeted and controlled "burst" release of an encapsulated biotherapeutic. As platelets are the "first responders" in the blood clot formation process, this platelet-hybridized system is ideal for the targeted delivery of clot-augmenting biotherapeutics wherein immediate therapeutic efficacy is required. As proof-of-concept, we tailored this system to deliver the pro-clotting biotherapeutic factor VIII for hemophilia A patients that have developed inhibitory antifactor VIII antibodies. The polyelectrolyte multilayer capsules physically shield the encapsulated factor VIII from the patient's inhibitors during circulation, preserving its bioactivity until it is delivered at the target site via platelet contractile force. Using an in vitro microfluidic vascular injury model with factor VIII-inhibited blood, we demonstrate a 3.8× increase in induced fibrin formation using capsules loaded with factor VIII at a concentration an order of magnitude lower than that used in systemic delivery. We further demonstrate that clot formation occurs 18 min faster when factor VIII loaded capsules are used compared to systemic delivery at the same concentration. Because platelets are integral in the pathophysiology of thrombotic disorders, cancer, and innate immunity, this paradigm-shifting smart drug delivery system can be similarly applied to these diseases.
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Affiliation(s)
- Caroline E Hansen
- Aflac Cancer and Blood Disorders Center, Department of Pediatrics, Children's Healthcare of Atlanta/Emory University School of Medicine , Atlanta, Georgia 30322, United States
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University , Atlanta, Georgia 30332, United States
| | - David R Myers
- Aflac Cancer and Blood Disorders Center, Department of Pediatrics, Children's Healthcare of Atlanta/Emory University School of Medicine , Atlanta, Georgia 30322, United States
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University , Atlanta, Georgia 30332, United States
| | - W Hunter Baldwin
- Aflac Cancer and Blood Disorders Center, Department of Pediatrics, Children's Healthcare of Atlanta/Emory University School of Medicine , Atlanta, Georgia 30322, United States
| | - Yumiko Sakurai
- Aflac Cancer and Blood Disorders Center, Department of Pediatrics, Children's Healthcare of Atlanta/Emory University School of Medicine , Atlanta, Georgia 30322, United States
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University , Atlanta, Georgia 30332, United States
| | - Shannon L Meeks
- Aflac Cancer and Blood Disorders Center, Department of Pediatrics, Children's Healthcare of Atlanta/Emory University School of Medicine , Atlanta, Georgia 30322, United States
| | - L Andrew Lyon
- Schmid College of Science and Technology, Chapman University , Orange, California 92866, United States
| | - Wilbur A Lam
- Aflac Cancer and Blood Disorders Center, Department of Pediatrics, Children's Healthcare of Atlanta/Emory University School of Medicine , Atlanta, Georgia 30322, United States
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University , Atlanta, Georgia 30332, United States
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Sekhon UDS, Sen Gupta A. Platelets and Platelet-Inspired Biomaterials Technologies in Wound Healing Applications. ACS Biomater Sci Eng 2017; 4:1176-1192. [DOI: 10.1021/acsbiomaterials.7b00013] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Ujjal Didar Singh Sekhon
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio 44102, United States
| | - Anirban Sen Gupta
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio 44102, United States
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