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Chen Z, Han L, Meng G, Li H, Shan C, Du G, Li M. Intravenous Hemostats: Foundation, Targeting, and Controlled-Release. Bioconjug Chem 2022; 33:2269-2289. [PMID: 36404605 DOI: 10.1021/acs.bioconjchem.2c00492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Uncontrollable blood loss is the greatest cause of mortality in prehospital patients and the main source of disability and death in hospital care. Compared with external hemostats, intravenous hemostats are more appropriate for preventing and treating uncontrolled bleeding in vivo and large bleeding on the body surface. This Review initially establishes intravenous hemostats' response basis, including the coagulation mechanism, fibrinolytic pathway, and protein corona. Second, the study of advancement of intravenous hemostat targeting was expanded from two perspectives, cellular hemostatic agents and synthetic hemostatic agents. Meanwhile, after discussing the progress of controlled-release intravenous hemostats with platelets as the stimuli, this Review offers insight into the possibility of controlled-release intravenous hemostats with microenvironment as the stimuli, combining the studies of controlled-release targeted thrombolysis.
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Affiliation(s)
- Zihao Chen
- Department of Special Operations Medicine, The Sixth Medical Center of PLA General Hospital, Beijing 100048, China
| | - Lei Han
- Department of Special Operations Medicine, The Sixth Medical Center of PLA General Hospital, Beijing 100048, China
| | - Guo Meng
- Department of Special Operations Medicine, The Sixth Medical Center of PLA General Hospital, Beijing 100048, China
| | - Huaiyong Li
- Department of Special Operations Medicine, The Sixth Medical Center of PLA General Hospital, Beijing 100048, China
| | - Chao Shan
- Department of Special Operations Medicine, The Sixth Medical Center of PLA General Hospital, Beijing 100048, China
| | - Ge Du
- Department Of Geriatric Rehabilitation Center, Beijing Rehabilitation Hospital Affiliated to Capital Medical University, Beijing 100144, China
| | - Minggao Li
- Department of Special Operations Medicine, The Sixth Medical Center of PLA General Hospital, Beijing 100048, China
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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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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: 278] [Impact Index Per Article: 46.3] [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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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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Myerson JW, Anselmo AC, Liu Y, Mitragotri S, Eckmann DM, Muzykantov VR. Non-affinity factors modulating vascular targeting of nano- and microcarriers. Adv Drug Deliv Rev 2016; 99:97-112. [PMID: 26596696 PMCID: PMC4798918 DOI: 10.1016/j.addr.2015.10.011] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Revised: 09/29/2015] [Accepted: 10/09/2015] [Indexed: 12/22/2022]
Abstract
Particles capable of homing and adhering to specific vascular biomarkers have potential as fundamental tools in drug delivery for mediation of a wide variety of pathologies, including inflammation, thrombosis, and pulmonary disorders. The presentation of affinity ligands on the surface of a particle provides a means of targeting the particle to sites of therapeutic interest, but a host of other factors come into play in determining the targeting capacity of the particle. This review presents a summary of several key considerations in nano- and microparticle design that modulate targeted delivery without directly altering epitope-specific affinity. Namely, we describe the effect of factors in definition of the base carrier (including shape, size, and flexibility) on the capacity of carriers to access, adhere to, and integrate in target biological milieus. Furthermore, we present a summary of fundamental dynamics of carrier behavior in circulation, taking into account interactions with cells in circulation and the role of hemodynamics in mediating the direction of carriers to target sites. Finally, we note non-affinity aspects to uptake and intracellular trafficking of carriers in target cells. In total, recent findings presented here may offer an opportunity to capitalize on mitigating factors in the behavior of ligand-targeted carriers in order to optimize targeting.
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Abstract
While there are currently many well-established topical hemostatic agents for field administration, there are still limited tools to staunch bleeding at less accessible injury sites. Current clinical methods to restore hemostasis after large volume blood loss include platelet and clotting factor transfusion, which have respective drawbacks of short shelf life and risk of viral transmission. Therefore, synthetic hemostatic agents that can be delivered intravenously and encourage stable clot formation after localizing to sites of vascular injury are particularly appealing. In the past three decades, platelet substitutes have been prepared using drug delivery vehicles such as liposomes and PLGA nanoparticles that have been modified to mimic platelet properties. Additionally, structural considerations such as particle size, shape, and flexibility have been addressed in a number of reports. Since platelets are the first responders after vascular injury, platelet substitutes represent an important class of intravenous hemostats under development. More recently, materials affecting fibrin formation have been introduced to induce faster or more stable blood clot formation through fibrin cross-linking. Fibrin represents a major structural component in the final blood clot, and a fibrin-based hemostatic mechanism acting downstream of initial platelet plug formation may be a safer alternative to platelets to avoid undesired thrombotic activity. This Review explores intravenous hemostats under development and strategies to optimize their clotting activity.
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Affiliation(s)
- Leslie W Chan
- †Department of Bioengineering and Molecular Engineering and Sciences Institute, University of Washington, 3720 15th Avenue NE, Box 355061, Seattle, Washington 98195, United States
| | - Nathan J White
- ‡Department of Medicine, Division of Emergency Medicine, University of Washington, Seattle, Washington 98195, United States
| | - Suzie H Pun
- †Department of Bioengineering and Molecular Engineering and Sciences Institute, University of Washington, 3720 15th Avenue NE, Box 355061, Seattle, Washington 98195, United States
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Modery-Pawlowski CL, Tian LL, Pan V, McCrae KR, Mitragotri S, Sen Gupta A. Approaches to synthetic platelet analogs. Biomaterials 2013; 34:526-41. [DOI: 10.1016/j.biomaterials.2012.09.074] [Citation(s) in RCA: 80] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2012] [Accepted: 09/29/2012] [Indexed: 11/15/2022]
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Platelet Substitutes and Novel Methods of Platelet Preservation. Platelets 2007. [DOI: 10.1016/b978-012369367-9/50832-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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