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Liu X, Shao J, Wang P, Zhao H, Liu L, Han Q. Optimization design of semi-open impeller based on thrombogenicity in a blood pump. Artif Organs 2024. [PMID: 38922991 DOI: 10.1111/aor.14813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 05/13/2024] [Accepted: 06/11/2024] [Indexed: 06/28/2024]
Abstract
BACKGROUND Blood clots are composed of aggregated fibrin and platelets, and thrombosis is the body's natural response to repairing injured blood vessels or stopping bleeding. However, when this process is activated abnormally, such as in a mechanical blood pump, it can lead to excessive thrombus formation. Therefore, how to avoid or reduce the probability of thrombus formation is an important indicator of the stable operation of a blood pump. METHODS In this paper, Lagrangian particle tracking trajectories are simulated to study platelet transport in a blood pump. The design of the thrombus blood pump was optimized using an orthogonal design method based on three factors: inlet angle, outlet angle, and blade number. The effect of blood pump pressure, rotational speed, impeller outlet angle, inlet angle, and number of blades on thrombus formation was analysed using Fluent software. The thrombogenic potential was derived by analyzing the trajectory and flow parameters of platelet particles in the blood pump, as well as the statistical parameters of residence time and stress accumulation thrombus in the platelet pump. RESULTS When the impeller inlet angle is 30°, the outlet angle is 20°, and the number of blades is 6, the probability of thrombus formation is minimized in the orthogonal design method, aligning with the requirements for blood pump performance. CONCLUSIONS These design parameters serve as a numerical guideline for optimizing the geometry of the semi-open impeller in blood pumps and provide a theoretical foundation for subsequent in vitro experiments.
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Affiliation(s)
- Xuemin Liu
- School of Mechanical Engineering, University of Jinan, Jinan, China
| | - Jiejie Shao
- Ningbo Zhongjie Laitong Technology Co., Ltd., Ningbo, China
| | - Peng Wang
- School of Mechanical Engineering, University of Jinan, Jinan, China
| | - Honghua Zhao
- School of Mechanical Engineering, University of Jinan, Jinan, China
| | - Luning Liu
- School of Mechanical Engineering, University of Jinan, Jinan, China
| | - Qing Han
- School of Mechanical Engineering, University of Jinan, Jinan, China
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2
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Hassanzadeh-Tabrizi SA. Alginate based hemostatic materials for bleeding management: A review. Int J Biol Macromol 2024; 274:133218. [PMID: 38901512 DOI: 10.1016/j.ijbiomac.2024.133218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 06/04/2024] [Accepted: 06/15/2024] [Indexed: 06/22/2024]
Abstract
Severe bleeding has caused significant financial losses as well as a major risk to the lives and health of military and civilian populations. Under some situations, the natural coagulation mechanism of the body is unable to achieve fast hemostasis without the use of hemostatic drugs. Thus, the development of hemostatic materials and techniques is essential. Improving the quality of life and survival rate of patients and minimizing bodily damage requires fast, efficient hemostasis and prevention of bleeding. Alginate is regarded as an outstanding hemostatic polymer because of its non-immunogenicity, biodegradability, good biocompatibility, simple gelation, non-toxicity, and easy availability. This review summarizes the basics of hemostasis and emphasizes the recent developments regarding alginate-based hemostatic systems. Structural modifications and mixing with other materials have widely been used for the improvement of hemostatic characteristics of alginate and for making multifunctional medical devices that not only prevent uncontrolled bleeding but also have antibacterial characteristics, drug delivery abilities, and curing effects. This review is hoped to prepare critical insights into alginate modifications for better hemostatic properties.
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Affiliation(s)
- S A Hassanzadeh-Tabrizi
- Advanced Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran.
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3
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Wu P, Wang X, Yin M, Zhu W, Chen Z, Zhang Y, Jiang Z, Shi L, Zhu Q. ULK1 Mediated Autophagy-Promoting Effects of Rutin-Loaded Chitosan Nanoparticles Contribute to the Activation of NF-κB Signaling Besides Inhibiting EMT in Hep3B Hepatoma Cells. Int J Nanomedicine 2024; 19:4465-4493. [PMID: 38779103 PMCID: PMC11110815 DOI: 10.2147/ijn.s443117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 05/08/2024] [Indexed: 05/25/2024] Open
Abstract
Background Liver cancer remains to be one of the leading causes of cancer worldwide. The treatment options face several challenges and nanomaterials have proven to improve the bioavailability of several drug candidates and their applications in nanomedicine. Specifically, chitosan nanoparticles (CNPs) are extremely biodegradable, pose enhanced biocompatibility and are considered safe for use in medicine. Methods CNPs were synthesized by ionic gelation, loaded with rutin (rCNPs) and characterized by ultraviolet-visible spectroscopy (UV-Vis), Fourier-transform infrared spectroscopy (FTIR), dynamic light scattering (DLS) and transmission electron microscopy (TEM). The rCNPs were tested for their cytotoxic effects on human hepatoma Hep3B cells, and experiments were conducted to determine the mechanism of such effects. Further, the biocompatibility of the rCNPs was tested on L929 fibroblasts, and their hemocompatibility was determined. Results Initially, UV-vis and FTIR analyses indicated the possible loading of rutin on rCNPs. Further, the rutin load was quantitatively measured using Ultra-Performance Liquid Chromatography (UPLC) and the concentration was 88 µg/mL for 0.22 micron filtered rCNPs. The drug loading capacity (LC%) of the rCNPs was observed to be 13.29 ± 0.68%, and encapsulation efficiency (EE%) was 19.55 ± 1.01%. The drug release was pH-responsive as 88.58% of the drug was released after 24 hrs at the lysosomal pH 5.5, whereas 91.44% of the drug was released at physiological pH 7.4 after 102 hrs. The cytotoxic effects were prominent in 0.22 micron filtered samples of 5 mg/mL rutin precursor. The particle size for the rCNPs at this concentration was 144.1 nm and the polydispersity index (PDI) was 0.244, which is deemed to be ideal for tumor targeting. A zeta potential (ζ-potential) value of 16.4 mV indicated rCNPs with good stability. The IC50 value for the cytotoxic effects of rCNPs on human hepatoma Hep3B cells was 9.7 ± 0.19 μg/mL of rutin load. In addition, the increased production of reactive oxygen species (ROS) and changes in mitochondrial membrane potential (MMP) were observed. Gene expression studies indicated that the mechanism for cytotoxic effects of rCNPs on Hep3B cells was due to the activation of Unc-51-like autophagy-activating kinase (ULK1) mediated autophagy and nuclear factor kappa B (NF-κB) signaling besides inhibiting the epithelial-mesenchymal Transition (EMT). In addition, the rCNPs were less toxic on NCTC clone 929 (L929) fibroblasts in comparison to the Hep3B cells and possessed excellent hemocompatibility (less than 2% of hemolysis). Conclusion The synthesized rCNPs were pH-responsive and possessed the physicochemical properties suitable for tumor targeting. The particles were effectively cytotoxic on Hep3B cells in comparison to normal cells and possessed excellent hemocompatibility. The very low hemolytic profile of rCNPs indicates that the drug could be administered intravenously for cancer therapy.
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Affiliation(s)
- Peng Wu
- Children’s Hospital of Nanjing Medical University, Nanjing, People’s Republic of China
| | - Xiaoyong Wang
- The People’s Hospital of Rugao, Nantong, People’s Republic of China
| | - Min Yin
- Children’s Hospital of Nanjing Medical University, Nanjing, People’s Republic of China
| | - Wenjie Zhu
- Kangda College of Nanjing Medical University, Nanjing, People’s Republic of China
| | - Zheng Chen
- Children’s Hospital of Nanjing Medical University, Nanjing, People’s Republic of China
| | - Yang Zhang
- Children’s Hospital of Nanjing Medical University, Nanjing, People’s Republic of China
| | - Ziyu Jiang
- Department of Oncology, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, People’s Republic of China
| | - Longqing Shi
- Department of Hepatobiliary and Pancreatic Surgery, Third Affiliated Hospital of Soochow University, Jiangsu, People’s Republic of China
| | - Qiang Zhu
- Children’s Hospital of Nanjing Medical University, Nanjing, People’s Republic of China
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Keeling NM, Wallisch M, Johnson J, Le HH, Vu HH, Jordan KR, Puy C, Tucker EI, Nguyen KP, McCarty OJT, Aslan JE, Hinds MT, Anderson DEJ. Pharmacologic targeting of coagulation factors XII and XI by monoclonal antibodies reduces thrombosis in nitinol stents under flow. J Thromb Haemost 2024; 22:1433-1446. [PMID: 38331196 PMCID: PMC11055672 DOI: 10.1016/j.jtha.2024.01.023] [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: 10/04/2023] [Revised: 01/11/2024] [Accepted: 01/28/2024] [Indexed: 02/10/2024]
Abstract
BACKGROUND Cardiovascular implantable devices, such as vascular stents, are critical for the treatment of cardiovascular diseases. However, their success is dependent on robust and often long-term antithrombotic therapies. Yet, the current standard-of-care therapies often pose significant bleeding risks to patients. Coagulation factor (F)XI and FXII have emerged as potentially safe and efficacious targets to safely reduce pathologic thrombin generation in medical devices. OBJECTIVES To study the efficacy of monoclonal antibody-targeting FXII and FXI of the contact pathway in preventing vascular device-related thrombosis. METHODS The effects of inhibition of FXII and FXI using function-blocking monoclonal antibodies were examined in a nonhuman primate model of nitinol stent-related thrombosis under arterial and venous flow conditions. RESULTS We found that function-blocking antibodies of FXII and FXI reduced markers of stent-induced thrombosis in vitro and ex vivo. However, FXI inhibition resulted in more effective mitigation of thrombosis markers under varied flow conditions. CONCLUSION This work provides further support for the translation of contact pathway of coagulation inhibitors for their adjunctive clinical use with cardiovascular devices.
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Affiliation(s)
- Novella M Keeling
- Department of Biomedical Engineering, Oregon Health & Science University, Portland, Oregon, USA; Biomedical Engineering Program, University of Colorado Boulder, Boulder, Colorado, USA.
| | - Michael Wallisch
- Department of Biomedical Engineering, Oregon Health & Science University, Portland, Oregon, USA; Aronora Inc, Portland, Oregon, USA
| | - Jennifer Johnson
- Department of Biomedical Engineering, Oregon Health & Science University, Portland, Oregon, USA
| | - Hillary H Le
- Department of Biomedical Engineering, Oregon Health & Science University, Portland, Oregon, USA
| | - Helen H Vu
- Department of Biomedical Engineering, Oregon Health & Science University, Portland, Oregon, USA
| | - Kelley R Jordan
- Department of Biomedical Engineering, Oregon Health & Science University, Portland, Oregon, USA
| | - Cristina Puy
- Department of Biomedical Engineering, Oregon Health & Science University, Portland, Oregon, USA
| | - Erik I Tucker
- Department of Biomedical Engineering, Oregon Health & Science University, Portland, Oregon, USA; Aronora Inc, Portland, Oregon, USA
| | - Khanh P Nguyen
- Department of Biomedical Engineering, Oregon Health & Science University, Portland, Oregon, USA; Veterans Affairs Portland Health Care System, Portland, Oregon, USA
| | - Owen J T McCarty
- Department of Biomedical Engineering, Oregon Health & Science University, Portland, Oregon, USA; Division of Hematology & Medical Oncology, Oregon Health & Science University, Portland, Oregon, USA
| | - Joseph E Aslan
- Department of Biomedical Engineering, Oregon Health & Science University, Portland, Oregon, USA; Knight Cardiovascular Institute, Oregon Health & Science University, Portland, Oregon, USA
| | - Monica T Hinds
- Department of Biomedical Engineering, Oregon Health & Science University, Portland, Oregon, USA
| | - Deirdre E J Anderson
- Department of Biomedical Engineering, Oregon Health & Science University, Portland, Oregon, USA.
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Redondo-Gómez C, Parreira P, Martins MCL, Azevedo HS. Peptide-based self-assembled monolayers (SAMs): what peptides can do for SAMs and vice versa. Chem Soc Rev 2024; 53:3714-3773. [PMID: 38456490 DOI: 10.1039/d3cs00921a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2024]
Abstract
Self-assembled monolayers (SAMs) represent highly ordered molecular materials with versatile biochemical features and multidisciplinary applications. Research on SAMs has made much progress since the early begginings of Au substrates and alkanethiols, and numerous examples of peptide-displaying SAMs can be found in the literature. Peptides, presenting increasing structural complexity, stimuli-responsiveness, and biological relevance, represent versatile functional components in SAMs-based platforms. This review examines the major findings and progress made on the use of peptide building blocks displayed as part of SAMs with specific functions, such as selective cell adhesion, migration and differentiation, biomolecular binding, advanced biosensing, molecular electronics, antimicrobial, osteointegrative and antifouling surfaces, among others. Peptide selection and design, functionalisation strategies, as well as structural and functional characteristics from selected examples are discussed. Additionally, advanced fabrication methods for dynamic peptide spatiotemporal presentation are presented, as well as a number of characterisation techniques. All together, these features and approaches enable the preparation and use of increasingly complex peptide-based SAMs to mimic and study biological processes, and provide convergent platforms for high throughput screening discovery and validation of promising therapeutics and technologies.
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Affiliation(s)
- Carlos Redondo-Gómez
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-135, Portugal.
- INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-135, Portugal
| | - Paula Parreira
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-135, Portugal.
- INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-135, Portugal
| | - M Cristina L Martins
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-135, Portugal.
- INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-135, Portugal
- ICBAS - Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 4050-313 Porto, Portugal
| | - Helena S Azevedo
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-135, Portugal.
- INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-135, Portugal
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Shankar D, Jayaganesh K, Gowda N, Lakshmi KS, Jayanthi KJ, Jambagi SC. Thermal spray processes influencing surface chemistry and in-vitro hemocompatibility of hydroxyapatite-based orthopedic implants. BIOMATERIALS ADVANCES 2024; 158:213791. [PMID: 38295645 DOI: 10.1016/j.bioadv.2024.213791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Revised: 12/28/2023] [Accepted: 01/23/2024] [Indexed: 03/03/2024]
Abstract
Orthopedic implants made from titanium are a popular choice in the medical field because of their remarkable strength-to-weight ratio. Nevertheless, they may not interact well with human blood, resulting in thrombosis and hemolysis. In fact, non-hemocompatibility is believed to be responsible for about 31 % of medical device failures in the US alone, requiring painful and expensive revision surgery. To address this issue, bioactive hydroxyapatite coatings are applied to Ti-6Al-4V implants using thermal spray techniques. However, the temperature used during thermal processing impacts the coating's surface properties, affecting the mechanical and biological properties. Furthermore, the effectiveness of HA coatings on titanium for orthopedic applications has not been validated by biocompatibility tests, particularly hemocompatibility. In this study, we aimed to investigate the relative efficacy of three thermal spray processes of different temperature ranges: Atmospheric plasma spray (APS) (high temperature), Flame spray (FS) (moderate temperature), and High-Velocity Oxy-Fuel spray (HVOF) (low temperature), and study their impact on coating's surface properties, affecting blood components and implant's strength. The crystallinity of the HA coating increased by 32 % with a decrease in the operating temperature (APS < FS < HVOF). HVOF coating exhibited a ~ 34 % and ~ 120 % improvement in adhesion strength and ~ 31 % and 59 % increment in hardness compared to APS and FS coating, respectively, attributed to its low porosity, low coating thickness (~55 μm), and high degree of crystallinity. The HVOF coating showcased a significant increase in non-hemolytic behavior, with hemolysis rates ~8 and ~ 11 times lower than APS and FS coatings, respectively, owing to its smooth texture and high degree of crystallinity (p < 0.05). Furthermore, the HVOF coating exhibited minimal blood clotting based on the whole blood clotting assay, again confirmed by PT and aPTT assays showing delayed clotting time, indicating its non-thrombogenic behavior. The number of platelets adhered to the three coatings showed no significant difference compared to Ti-6Al-4V. APS and FS coatings showed low platelet activation, unlike HVOF coating and titanium, which revealed round platelets, similar to the negative control. Neither titanium nor HA coatings exhibited antibacterial properties, which may be due to their high affinity for organic substances, which promotes bacterial adhesion and replication. Among the three thermal processes, HVOF coating displayed good apatite growth, non-hemolytic, and non-thrombogenicity with no platelet activation owing to its low processing temperature, high degree of crystallinity (89.7 %), hydrophilicity, smooth (~4 μm) and dense (~97 %) microstructural properties. The results demonstrated that the HVOF-HA coating presented in this work meets the hemocompatible requirements and shows promise for prospective application as an orthopedic implant. Furthermore, this study has the potential to significantly reduce the use of animals in in-vivo research and improve their welfare while also cutting costs.
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Affiliation(s)
- Deep Shankar
- Surface Engineering Laboratory, Department of Mechanical Engineering, National Institute of Technology Karnataka, Srinivasnagar, 575025 Surathkal, India
| | - K Jayaganesh
- Surface Engineering Laboratory, Department of Mechanical Engineering, National Institute of Technology Karnataka, Srinivasnagar, 575025 Surathkal, India
| | - Niranjan Gowda
- Pathology Lab, Department of Pathology, Sanjay Gandhi Institute of Trauma and Orthopedics, Jayanagar East, Bengaluru 560011, India
| | - K S Lakshmi
- Pathology Lab, Department of Pathology, Sanjay Gandhi Institute of Trauma and Orthopedics, Jayanagar East, Bengaluru 560011, India
| | - K J Jayanthi
- Pathology Lab, Department of Pathology, Sanjay Gandhi Institute of Trauma and Orthopedics, Jayanagar East, Bengaluru 560011, India
| | - Sudhakar C Jambagi
- Surface Engineering Laboratory, Department of Mechanical Engineering, National Institute of Technology Karnataka, Srinivasnagar, 575025 Surathkal, India.
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Helmecke T, Hahn D, Ruland A, Tsurkan MV, Maitz MF, Werner C. Adsorbed polymer conjugates to adaptively inhibit blood coagulation activation by medical membranes. J Control Release 2024; 368:344-354. [PMID: 38417559 DOI: 10.1016/j.jconrel.2024.02.034] [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: 08/17/2023] [Revised: 02/14/2024] [Accepted: 02/23/2024] [Indexed: 03/01/2024]
Abstract
Adaptive drug release can combat coagulation and inflammation activation at the blood-material interface with minimized side effects. For that purpose, poly(styrene-alt-maleic-anhydride) copolymers were conjugated to heparin via coagulation-responsive linker peptides and shown to tightly adsorb onto poly(ethersulfone) (PES)-surfaces from aqueous solutions as monolayers. Coagulation-responsive release of unfractionated as well as low molecular weight heparins from the respective coatings was demonstrated to be functionally beneficial in human plasma and whole blood incubation with faster release kinetics resulting in stronger anticoagulant effects. Coated poly(ethersulfone)/poly(vinylpyrrolidone) (PES/PVP) flat membranes proved the technology to offer an easy, effective and robust anticoagulant interfacial functionalization of hemodialysis membranes. In perspective, the modularity of the adaptive release system will be used for inhibiting multiple activation processes.
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Affiliation(s)
- Tina Helmecke
- Leibniz Institute of Polymer Research Dresden, Institute of Biofunctional Polymer Materials, Hohe Strasse 6, Dresden 01069, Germany
| | - Dominik Hahn
- Leibniz Institute of Polymer Research Dresden, Institute of Biofunctional Polymer Materials, Hohe Strasse 6, Dresden 01069, Germany
| | - André Ruland
- Leibniz Institute of Polymer Research Dresden, Institute of Biofunctional Polymer Materials, Hohe Strasse 6, Dresden 01069, Germany
| | - Mikhail V Tsurkan
- Leibniz Institute of Polymer Research Dresden, Institute of Biofunctional Polymer Materials, Hohe Strasse 6, Dresden 01069, Germany
| | - Manfred F Maitz
- Leibniz Institute of Polymer Research Dresden, Institute of Biofunctional Polymer Materials, Hohe Strasse 6, Dresden 01069, Germany.
| | - Carsten Werner
- Leibniz Institute of Polymer Research Dresden, Institute of Biofunctional Polymer Materials, Hohe Strasse 6, Dresden 01069, Germany; Technische Universität Dresden, Cluster of Excellence Physics of Life, Center for Regenerative Therapies Dresden and Faculty of Chemistry and Food Chemistry, Fetscherstraße 105, 01307 Dresden, Germany.
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8
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Bhattacharjee A, Savargaonkar AV, Tahir M, Sionkowska A, Popat KC. Surface modification strategies for improved hemocompatibility of polymeric materials: a comprehensive review. RSC Adv 2024; 14:7440-7458. [PMID: 38433935 PMCID: PMC10906639 DOI: 10.1039/d3ra08738g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 02/22/2024] [Indexed: 03/05/2024] Open
Abstract
Polymeric biomaterials are a widely used class of materials due to their versatile properties. However, as with all other types of materials used for biomaterials, polymers also have to interact with blood. When blood comes into contact with any foreign body, it initiates a cascade which leads to platelet activation and blood coagulation. The implant surface also has to encounter a thromboinflammatory response which makes the implant integrity vulnerable, this leads to blood coagulation on the implant and obstructs it from performing its function. Hence, the surface plays a pivotal role in the design and application of biomaterials. In particular, the surface properties of biomaterials are responsible for biocompatibility with biological systems and hemocompatibility. This review provides a report on recent advances in the field of surface modification approaches for improved hemocompatibility. We focus on the surface properties of polysaccharides, proteins, and synthetic polymers. The blood coagulation cascade has been discussed and blood - material surface interactions have also been explained. The interactions of blood proteins and cells with polymeric material surfaces have been discussed. Moreover, the benefits as well as drawbacks of blood coagulation on the implant surface for wound healing purposes have also been studied. Surface modifications implemented by other researchers to enhance as well as prevent blood coagulation have also been analyzed.
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Affiliation(s)
- Abhishek Bhattacharjee
- School of Advanced Material Discovery, Colorado State University Fort Collins CO 80523 USA
| | | | - Muhammad Tahir
- Department of Biomaterials and Cosmetic Chemistry, Faculty of Chemistry, Nicolaus Copernicus University Gagarina 7 87-100 Torun Poland
| | - Alina Sionkowska
- Department of Biomaterials and Cosmetic Chemistry, Faculty of Chemistry, Nicolaus Copernicus University Gagarina 7 87-100 Torun Poland
| | - Ketul C Popat
- School of Advanced Material Discovery, Colorado State University Fort Collins CO 80523 USA
- Department of Mechanical Engineering, Colorado State University Fort Collins CO 80523 USA
- Department of Bioengineering, George Mason University Fairfax VA 22030 USA
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Nalezinková M, Loskot J, Myslivcová Fučíková A. The use of scanning electron microscopy and fixation methods to evaluate the interaction of blood with the surfaces of medical devices. Sci Rep 2024; 14:4622. [PMID: 38409219 PMCID: PMC10897226 DOI: 10.1038/s41598-024-55136-z] [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: 12/17/2023] [Accepted: 02/20/2024] [Indexed: 02/28/2024] Open
Abstract
Testing the hemocompatibility of medical devices after their interaction with blood entails the need to evaluate the activation of blood elements and the degree of their coagulation and adhesion to the device surface. One possible way to achieve this is to use scanning electron microscopy (SEM). The aim was to develop a novel SEM-based method to assess the thrombogenic potential of medical devices and their adhesiveness to blood cells. As a part of this task, also find a convenient procedure of efficient and non-destructive sample fixation for SEM while reducing the use of highly toxic substances and shortening the fixation time. A polymeric surgical mesh was exposed to blood so that blood elements adhered to its surface. Such prepared samples were then chemically fixed for a subsequent SEM measurement; a number of fixation procedures were tested to find the optimal one. The fixation results were evaluated from SEM images, and the degree of blood elements' adhesion was determined from the images using ImageJ software. The best fixation was achieved with the May-Grünwald solution, which is less toxic than chemicals traditionally used. Moreover, manipulation with highly toxic osmium tetroxide can be avoided in the proposed procedure. A convenient methodology for SEM image analysis has been developed too, enabling to quantitatively evaluate the interaction of blood with the surfaces of various medical devices. Our method replaces the subjective assessment of surface coverage with a better-defined procedure, thus offering more precise and reliable results.
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Affiliation(s)
- Martina Nalezinková
- Department of Biology, Faculty of Science, University of Hradec Králové, Rokitanského 62, Hradec Králové, 500 03, Czech Republic.
| | - Jan Loskot
- Department of Physics, Faculty of Science, University of Hradec Králové, Rokitanského 62, Hradec Králové, 500 03, Czech Republic
| | - Alena Myslivcová Fučíková
- Department of Biology, Faculty of Science, University of Hradec Králové, Rokitanského 62, Hradec Králové, 500 03, Czech Republic
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10
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Santana-Otero A, Harper A, Telling N, Ortega D, Cabrera D. Magnetic coagulometry: towards a new nanotechnological tool for ex vivo monitoring coagulation in human whole blood. NANOSCALE 2024; 16:3534-3548. [PMID: 38285061 PMCID: PMC10868660 DOI: 10.1039/d3nr02593d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 12/19/2023] [Indexed: 01/30/2024]
Abstract
Blood clotting disorders consisting of unwanted blood clot formation or excessive bleeding are some of the main causes of death worldwide. However, there are significant limitations in the current methods used to clinically monitor the dynamics of clot formation in human whole blood ex vivo. Here a new magnetic coagulometry platform for testing ex vivo coagulation is described. This platform exploits the sensitivity of the out-of-phase component of alternating current (AC) magnetic susceptibility (χ'') to variations in mobility and agglomeration of magnetic nanoparticles when trapped during blood clot formation. By labelling human whole blood with magnetic nanoparticles, the out-of-phase component of AC magnetic susceptibility shows that the dynamics of blood clot formation correlates with a decrease in the out-of-phase component χ'' over time activation of coagulation. This is caused by a rapid immobilisation of nanoparticles upon blood coagulation and compaction. In contrast, this rapid fall in the out-of-phase component χ'' is significantly slowed down when blood is pre-treated with three different anticoagulant drugs. Remarkably, the system showed sensitivity towards the effect of clinically used direct oral anticoagulation (DOAC) drugs in whole blood coagulation, in contrast to the inability of clinical routine tests prothrombin time (PT) and partial thromboplastin time (PTT) to efficiently monitor this effect. Translation of this nanomagnetic approach into clinic can provide a superior method for monitoring blood coagulation and improve the efficiency of the current diagnostic techniques.
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Affiliation(s)
- Antonio Santana-Otero
- Condensed Matter Physics Department, Faculty of Sciences, University of Cádiz, Campus Universitario Rio San Pedro s/n, 11510 Puerto Real, Cádiz, Spain.
| | - Alan Harper
- School of Medicine, Keele University, Newcastle-under-Lyme, Staffordshire. ST5 5BG, UK
| | - Neil Telling
- School of Pharmacy and Bioengineering, Keele University, Guy Hilton Research Centre, Thronburrow Drive, Hartshill, Stoke on Trent, ST47QB, UK.
| | - Daniel Ortega
- Condensed Matter Physics Department, Faculty of Sciences, University of Cádiz, Campus Universitario Rio San Pedro s/n, 11510 Puerto Real, Cádiz, Spain.
- iMdea Nanociencia, Campus Universitario de Cantoblanco. C/Faraday, 9, 28049, Madrid, Spain
- Institute of Research and Innovation in Biomedical Sciences of Cádiz (INiBICA), University of Cádiz, 11002, Cádiz, Spain
| | - David Cabrera
- School of Pharmacy and Bioengineering, Keele University, Guy Hilton Research Centre, Thronburrow Drive, Hartshill, Stoke on Trent, ST47QB, UK.
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Luu CH, Nguyen NT, Ta HT. Unravelling Surface Modification Strategies for Preventing Medical Device-Induced Thrombosis. Adv Healthc Mater 2024; 13:e2301039. [PMID: 37725037 DOI: 10.1002/adhm.202301039] [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: 06/14/2023] [Revised: 08/29/2023] [Indexed: 09/21/2023]
Abstract
The use of biomaterials in implanted medical devices remains hampered by platelet adhesion and blood coagulation. Thrombus formation is a prevalent cause of failure of these blood-contacting devices. Although systemic anticoagulant can be used to support materials and devices with poor blood compatibility, its negative effects such as an increased chance of bleeding, make materials with superior hemocompatibility extremely attractive, especially for long-term applications. This review examines blood-surface interactions, the pathogenesis of clotting on blood-contacting medical devices, popular surface modification techniques, mechanisms of action of anticoagulant coatings, and discusses future directions in biomaterial research for preventing thrombosis. In addition, this paper comprehensively reviews several novel methods that either entirely prevent interaction between material surfaces and blood components or regulate the reaction of the coagulation cascade, thrombocytes, and leukocytes.
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Affiliation(s)
- Cuong Hung Luu
- School of Environment and Science, Griffith University, Nathan, Queensland, 4111, Australia
- Queensland Micro- and Nanotechnology Centre, Griffith University, Nathan, Queensland, 4111, Australia
| | - Nam-Trung Nguyen
- School of Environment and Science, Griffith University, Nathan, Queensland, 4111, Australia
- Queensland Micro- and Nanotechnology Centre, Griffith University, Nathan, Queensland, 4111, Australia
| | - Hang Thu Ta
- School of Environment and Science, Griffith University, Nathan, Queensland, 4111, Australia
- Queensland Micro- and Nanotechnology Centre, Griffith University, Nathan, Queensland, 4111, Australia
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12
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Engelen MM, Verhamme P, Vanassche T. Clotting of the Extracorporeal Circuit in Hemodialysis: Beyond Contact-Activated Coagulation. Semin Nephrol 2023; 43:151473. [PMID: 38233291 DOI: 10.1016/j.semnephrol.2023.151473] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2024]
Abstract
Thrombotic complications in patients with end-stage kidney disease are frequent. While being a lifesaving treatment for these patients, hemodialysis introduces a thromboinflammatory environment. Additionally, the extracorporeal hemodialysis circuit itself is prone to clotting because of an interaction between different activation mechanisms of the coagulation system, platelets, and the immune system. Anticoagulation of the patient and the machine is frequently complicated by bleeding. We discuss the factors important in this balancing act and touch on potential strategies that are on the horizon to target thromboinflammation.
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Affiliation(s)
- Matthias M Engelen
- Department of Cardiovascular Diseases, University Hospitals Leuven, Leuven, Belgium; Center for Molecular and Vascular Biology, Department of Cardiovascular Sciences, University of Leuven, Leuven, Belgium.
| | - Peter Verhamme
- Department of Cardiovascular Diseases, University Hospitals Leuven, Leuven, Belgium; Center for Molecular and Vascular Biology, Department of Cardiovascular Sciences, University of Leuven, Leuven, Belgium
| | - Thomas Vanassche
- Department of Cardiovascular Diseases, University Hospitals Leuven, Leuven, Belgium; Center for Molecular and Vascular Biology, Department of Cardiovascular Sciences, University of Leuven, Leuven, Belgium
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13
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Duan K, Mehwish N, Xu M, Zhu H, Hu J, Lin M, Yu L, Lee BH. Autoclavable Albumin-Based Cryogels with Uncompromising Properties. Gels 2023; 9:712. [PMID: 37754393 PMCID: PMC10530076 DOI: 10.3390/gels9090712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 08/28/2023] [Accepted: 08/29/2023] [Indexed: 09/28/2023] Open
Abstract
The development of autoclavable hydrogels has been driven by the need for materials that can withstand the rigors of sterilization without compromising their properties or functionality. Many conventional hydrogels cannot withstand autoclave treatment owing to the breakdown of their composition or structure under the high-temperature and high-pressure environment of autoclaving. Here, the effect of autoclaving on the physical, mechanical, and biological properties of bovine serum albumin methacryloyl (BSAMA) cryogels at three protein concentrations (3, 5, and 10%) was extensively studied. We found that BSAMA cryogels at three concentrations remained little changed after autoclaving in terms of gross shape, pore structure, and protein secondary structure. Young's modulus of autoclaved BSAMA cryogels (BSAMAA) at low concentrations (3 and 5%) was similar to that of BSAMA cryogels, whereas 10% BSAMAA exhibited a higher Young's modulus value, compared with 10% BSAMA. Interestingly, BSAMAA cryogels prolonged degradation. Importantly, cell viability, drug release, and hemolytic behaviors were found to be similar among the pre- and post-autoclaved cryogels. Above all, autoclaving proved to be more effective in sterilizing BSAMA cryogels from bacteria contamination than UV and ethanol treatments. Thus, autoclavable BSAMA cryogels with uncompromising properties would be useful for biomedical applications.
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Affiliation(s)
- Kairui Duan
- Postgraduate Training Base Alliance, Wenzhou Medical University, Wenzhou 325011, China;
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325011, China; (M.X.); (H.Z.); (J.H.); (M.L.)
| | - Nabila Mehwish
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325011, China; (M.X.); (H.Z.); (J.H.); (M.L.)
| | - Mengdie Xu
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325011, China; (M.X.); (H.Z.); (J.H.); (M.L.)
| | - Hu Zhu
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325011, China; (M.X.); (H.Z.); (J.H.); (M.L.)
| | - Jiajun Hu
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325011, China; (M.X.); (H.Z.); (J.H.); (M.L.)
| | - Mian Lin
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325011, China; (M.X.); (H.Z.); (J.H.); (M.L.)
| | - Lu Yu
- Department of Optometry, Wenzhou Medical University, Wenzhou 325035, China;
| | - Bae Hoon Lee
- Postgraduate Training Base Alliance, Wenzhou Medical University, Wenzhou 325011, China;
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325011, China; (M.X.); (H.Z.); (J.H.); (M.L.)
- Department of Optometry, Wenzhou Medical University, Wenzhou 325035, China;
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14
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Newman G, Leclerc A, Arditi W, Calzuola ST, Feaugas T, Roy E, Perrault CM, Porrini C, Bechelany M. Challenge of material haemocompatibility for microfluidic blood-contacting applications. Front Bioeng Biotechnol 2023; 11:1249753. [PMID: 37662438 PMCID: PMC10469978 DOI: 10.3389/fbioe.2023.1249753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 08/07/2023] [Indexed: 09/05/2023] Open
Abstract
Biological applications of microfluidics technology is beginning to expand beyond the original focus of diagnostics, analytics and organ-on-chip devices. There is a growing interest in the development of microfluidic devices for therapeutic treatments, such as extra-corporeal haemodialysis and oxygenation. However, the great potential in this area comes with great challenges. Haemocompatibility of materials has long been a concern for blood-contacting medical devices, and microfluidic devices are no exception. The small channel size, high surface area to volume ratio and dynamic conditions integral to microchannels contribute to the blood-material interactions. This review will begin by describing features of microfluidic technology with a focus on blood-contacting applications. Material haemocompatibility will be discussed in the context of interactions with blood components, from the initial absorption of plasma proteins to the activation of cells and factors, and the contribution of these interactions to the coagulation cascade and thrombogenesis. Reference will be made to the testing requirements for medical devices in contact with blood, set out by International Standards in ISO 10993-4. Finally, we will review the techniques for improving microfluidic channel haemocompatibility through material surface modifications-including bioactive and biopassive coatings-and future directions.
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Affiliation(s)
- Gwenyth Newman
- Department of Medicine and Surgery, Università degli Studi di Milano-Bicocca, Milan, Italy
- Eden Tech, Paris, France
| | - Audrey Leclerc
- Institut Européen des Membranes, IEM, UMR 5635, Univ Montpellier, ENSCM, Centre National de la Recherche Scientifique (CNRS), Place Eugène Bataillon, Montpellier, France
- École Nationale Supérieure des Ingénieurs en Arts Chimiques et Technologiques, Université de Toulouse, Toulouse, France
| | - William Arditi
- Eden Tech, Paris, France
- Centrale Supélec, Gif-sur-Yvette, France
| | - Silvia Tea Calzuola
- Eden Tech, Paris, France
- UMR7648—LadHyx, Ecole Polytechnique, Palaiseau, France
| | - Thomas Feaugas
- Department of Medicine and Surgery, Università degli Studi di Milano-Bicocca, Milan, Italy
- Eden Tech, Paris, France
| | | | | | | | - Mikhael Bechelany
- Institut Européen des Membranes, IEM, UMR 5635, Univ Montpellier, ENSCM, Centre National de la Recherche Scientifique (CNRS), Place Eugène Bataillon, Montpellier, France
- Gulf University for Science and Technology (GUST), Mubarak Al-Abdullah, Kuwait
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15
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Coronel-Meneses D, Sánchez-Trasviña C, Ratera I, Mayolo-Deloisa K. Strategies for surface coatings of implantable cardiac medical devices. Front Bioeng Biotechnol 2023; 11:1173260. [PMID: 37256118 PMCID: PMC10225971 DOI: 10.3389/fbioe.2023.1173260] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 04/25/2023] [Indexed: 06/01/2023] Open
Abstract
Cardiac medical devices (CMDs) are required when the patient's cardiac capacity or activity is compromised. To guarantee its correct functionality, the building materials in the development of CMDs must focus on several fundamental properties such as strength, stiffness, rigidity, corrosion resistance, etc. The challenge is more significant because CMDs are generally built with at least one metallic and one polymeric part. However, not only the properties of the materials need to be taken into consideration. The biocompatibility of the materials represents one of the major causes of the success of CMDs in the short and long term. Otherwise, the material will lead to several problems of hemocompatibility (e.g., protein adsorption, platelet aggregation, thrombus formation, bacterial infection, and finally, the rejection of the CMDs). To enhance the hemocompatibility of selected materials, surface modification represents a suitable solution. The surface modification involves the attachment of chemical compounds or bioactive compounds to the surface of the material. These coatings interact with the blood and avoid hemocompatibility and infection issues. This work reviews two main topics: 1) the materials employed in developing CMDs and their key characteristics, and 2) the surface modifications reported in the literature, clinical trials, and those that have reached the market. With the aim of providing to the research community, considerations regarding the choice of materials for CMDs, together with the advantages and disadvantages of the surface modifications and the limitations of the studies performed.
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Affiliation(s)
- David Coronel-Meneses
- Tecnologico de Monterrey, The Institute for Obesity Research, Monterrey, Mexico
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Centro de Biotecnología-FEMSA, Monterrey, Mexico
| | - Calef Sánchez-Trasviña
- Tecnologico de Monterrey, The Institute for Obesity Research, Monterrey, Mexico
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Centro de Biotecnología-FEMSA, Monterrey, Mexico
| | - Imma Ratera
- Institute of Materials Science of Barcelona (ICMAB-CSIC), Campus UAB, Bellaterra, Spain
- Centro de Investigación Biomédica en Red de Bioingeniería, Instituto de Salud Carlos IIIBellaterra, Spain
| | - Karla Mayolo-Deloisa
- Tecnologico de Monterrey, The Institute for Obesity Research, Monterrey, Mexico
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Centro de Biotecnología-FEMSA, Monterrey, Mexico
- Institute of Materials Science of Barcelona (ICMAB-CSIC), Campus UAB, Bellaterra, Spain
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16
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Litvak M, Shamanaev A, Zalawadiya S, Matafonov A, Kobrin A, Feener EP, Wallisch M, Tucker EI, McCarty OJT, Gailani D. Titanium is a potent inducer of contact activation: implications for intravascular devices. J Thromb Haemost 2023; 21:1200-1213. [PMID: 36696212 PMCID: PMC10621279 DOI: 10.1016/j.jtha.2022.12.014] [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: 09/26/2022] [Revised: 12/07/2022] [Accepted: 12/15/2022] [Indexed: 01/09/2023]
Abstract
BACKGROUND Titanium (Ti) and its alloys are widely used in manufacturing medical devices because of their strength and resistance to corrosion. Although Ti compounds are considered compatible with blood, they appear to support plasma contact activation and may be thrombogenic. OBJECTIVES The objective of this study was to compare Ti and titanium nitride (TiN) with known activators of contact activation (kaolin and silica) in plasma-clotting assays and to assess binding and activation of factor XII, (FXII), factor XI (FXI), prekallikrein, and high-molecular-weight kininogen (HK) with Ti/TiN. METHODS Ti-based nanospheres and foils were compared with kaolin, silica, and aluminum in plasma-clotting assays. Binding and activation of FXII, prekallikrein, HK, and FXI to surfaces was assessed with western blots and chromogenic assays. RESULTS Using equivalent surface amounts, Ti and TiN were comparable with kaolin and superior to silica, for inducing coagulation and FXII autoactivation. Similar to many inducers of contact activation, Ti and TiN are negatively charged; however, their effects on FXII are not neutralized by the polycation polybrene. Antibodies to FXII, prekallikrein, or FXI or coating Ti with poly-L-arginine blocked Ti-induced coagulation. An antibody to FXII reduced FXII and PK binding to Ti, kallikrein generation, and HK cleavage. CONCLUSION Titanium compounds induce contact activation with a potency comparable with that of kaolin. Binding of FXII with Ti shares some features with FXII binding to soluble polyanions but may have unique features. Inhibitors targeting FXII or FXI may be useful in mitigating Ti-induced contact activation in patients with titanium-based implants that are exposed to blood.
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Affiliation(s)
- Maxim Litvak
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Aleksandr Shamanaev
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Sandip Zalawadiya
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Anton Matafonov
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Anton Kobrin
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Edward P Feener
- KalVista Pharmaceuticals, Inc., Cambridge, Massachusetts, USA
| | - Michael Wallisch
- Aronora, Inc., Portland, Oregon, USA; Department of Biomedical Engineering, Oregon Health & Science University, Oregon, USA
| | - Erik I Tucker
- Aronora, Inc., Portland, Oregon, USA; Department of Biomedical Engineering, Oregon Health & Science University, Oregon, USA
| | - Owen J T McCarty
- Department of Biomedical Engineering, Oregon Health & Science University, Oregon, USA
| | - David Gailani
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA.
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17
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Anghel N, Apostol I, Dinu MV, Dimitriu CD, Spiridon I, Verestiuc L. Xanthan-Based Materials as a Platform for Heparin Delivery. Molecules 2023; 28:molecules28062757. [PMID: 36985729 PMCID: PMC10054415 DOI: 10.3390/molecules28062757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 03/14/2023] [Accepted: 03/16/2023] [Indexed: 03/30/2023] Open
Abstract
Heparin (Hep), with its anticoagulant activity, antiangiogenic and apoptotic effects, and growth factor binding, plays an important role in various biological processes. Formulations as drug delivery systems protect its biological activity, and limit the potential side effects of faulty administration. The objective of this study was to develop novel xanthan-based materials as a delivery carrier for heparin. The materials exhibited remarkable elastic behavior and toughness without any crack development within the network, which also support their application for tissue engineering. It was found that all materials possessed the ability to control the release of heparin, according to the Korsmeyer-Peppas release model. All Hep-containing materials caused significant exchanges of the activated partial thromboplastin time (aPTT) and prothrombin time (PT) parameters, indicating that formulated natural/natural synthetic polymeric networks conserved heparin's biological activity and its ability to interrupt the blood coagulation cascade. The obtained results confirmed that developed materials could be carriers for the controlled release of heparin, with potential applications in topical administration.
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Affiliation(s)
- Narcis Anghel
- "P. Poni" Institute of Macromolecular Chemistry, Grigore Ghica-Voda nr. 41A, 700487 Iasi, Romania
| | - Irina Apostol
- "P. Poni" Institute of Macromolecular Chemistry, Grigore Ghica-Voda nr. 41A, 700487 Iasi, Romania
| | - Maria Valentina Dinu
- "P. Poni" Institute of Macromolecular Chemistry, Grigore Ghica-Voda nr. 41A, 700487 Iasi, Romania
| | - Cristina Daniela Dimitriu
- Faculty of Medicine, "Gr. T. Popa" University of Medicine and Pharmacy, Universitatii nr. 16, 700115 Iasi, Romania
| | - Iuliana Spiridon
- "P. Poni" Institute of Macromolecular Chemistry, Grigore Ghica-Voda nr. 41A, 700487 Iasi, Romania
| | - Liliana Verestiuc
- Faculty of Medical Bioengineering, "Gr. T. Popa" University of Medicine and Pharmacy, Kogalniceanu nr. 9-13, 700454 Iasi, Romania
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18
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Aptamers Regulating the Hemostasis System. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27238593. [PMID: 36500686 PMCID: PMC9739204 DOI: 10.3390/molecules27238593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 11/29/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022]
Abstract
The hemostasis system is a complex structure that includes the fibrinolysis system, and Yes this is correct coagulation and anticoagulation parts. Due to the multicomponent nature, it becomes relevant to study the key changes in the functioning of signaling pathways, and develop new diagnostic methods and modern drugs with high selectivity. One of the ways to solve this problem is the development of molecular recognition elements capable of blocking one of the hemostasis systems and/or activating another. Aptamers can serve as ligands for targeting specific clinical needs, promising anticoagulants with minor side effects and significant biological activity. Aptamers with several clotting factors and platelet proteins are used for the treatment of thrombosis. This review is focused on the aptamers used for the correction of the hemostasis system, and their structural and functional features. G-rich nucleic acid aptamers, mostly versatile G-quadruplexes, recognize different components of the hemostasis system and are capable of correcting the functioning.
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19
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A high-protein retained PES hemodialysis membrane with tannic acid as a multifunctional modifier. Colloids Surf B Biointerfaces 2022; 220:112921. [DOI: 10.1016/j.colsurfb.2022.112921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 09/30/2022] [Accepted: 10/10/2022] [Indexed: 11/27/2022]
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20
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Baron RI, Duceac IA, Morariu S, Bostănaru-Iliescu AC, Coseri S. Hemostatic Cryogels Based on Oxidized Pullulan/Dopamine with Potential Use as Wound Dressings. Gels 2022; 8:726. [PMID: 36354634 PMCID: PMC9689722 DOI: 10.3390/gels8110726] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/04/2022] [Accepted: 11/07/2022] [Indexed: 07/30/2023] Open
Abstract
The impetus for research into hydrogels based on selectively oxidized polysaccharides has been stimulated by the diversity of potential biomedical applications. Towards the development of a hemostatic wound dressing in this study, we creatively combined the (hemi)acetal and Schiff base bonds to prepare a series of multifunctional cryogels based on dialdehyde pullulan and dopamine. The designed structures were verified by NMR and FTIR spectroscopy. Network parameters and dynamic sorption studies were correlated with environmental scanning microscopy results, thus confirming the successful integration of the two components and the opportunities for finely tuning the structure-properties balance. The viscoelastic parameters (storage and loss moduli, complex and apparent viscosities, zero shear viscosity, yield stress) and the structural recovery capacity after applying a large deformation were determined and discussed. The mechanical stability and hemostatic activity suggest that the optimal combination of selectively oxidized pullulan and dopamine can be a promising toolkit for wound management.
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Affiliation(s)
- Raluca Ioana Baron
- Department of Polyaddition and Photochemistry, “Petru Poni” Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Ioana A. Duceac
- Department of Polyaddition and Photochemistry, “Petru Poni” Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Simona Morariu
- Department of Natural Polymers, Bioactive and Biocompatible Materials, “Petru Poni” Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Andra-Cristina Bostănaru-Iliescu
- Laboratory of Antimicrobial Chemotherapy, “Ion Ionescu de la Brad” University of Life Sciences, 8 Mihail Sadoveanu Alley, 700489 Iasi, Romania
| | - Sergiu Coseri
- Department of Polyaddition and Photochemistry, “Petru Poni” Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania
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21
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Wakai IY, Wang Q, Zhao J, Wang X, Xia S, Zhang W, Xu W, Feng Y. Surface modification of polycarbonate urethane by grafting polyethylene glycol and bivalirudin drug for improving hemocompatibility. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Ibrahim Y. Wakai
- School of Chemical Engineering and Technology Tianjin University Tianjin China
| | - Qiulin Wang
- School of Chemical Engineering and Technology Tianjin University Tianjin China
| | - Jing Zhao
- School of Chemical Engineering and Technology Tianjin University Tianjin China
| | - Xiaoyu Wang
- School of Chemical Engineering and Technology Tianjin University Tianjin China
| | - Shihai Xia
- Department of Hepatopancreatobiliary and Splenic Medicine, Affiliated Hospital Logistics University of People's Armed Police Force Tianjin China
| | - Wencheng Zhang
- Department of Physiology and Pathophysiology Logistics University of People's Armed Police Force Tianjin China
| | - Wei Xu
- Department of Gastroenterology Center Characteristic Medical Center of Chinese People's Armed Police Force Tianjin China
- Tianjin Key Laboratory of Hepatopancreatic Fibrosis and Molecular Diagnosis & Treatment Tianjin China
| | - Yakai Feng
- School of Chemical Engineering and Technology Tianjin University Tianjin China
- Key Laboratory of Systems Bioengineering (Ministry of Education) Tianjin University Tianjin China
- Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin) Tianjin China
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22
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Mecwan M, Li J, Falcone N, Ermis Sen M, Hassani A, Haghniaz R, Mandal K, Sharma S, Maity S, Zehtabi F, Zamanian B, Herculano R, Akbari M, John JV, Khademhosseini A. Recent advances in biopolymer-based hemostatic materials. Regen Biomater 2022; 9:rbac063. [PMID: 36196294 PMCID: PMC9522468 DOI: 10.1093/rb/rbac063] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 08/09/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
Abstract
Hemorrhage is the leading cause of trauma-related deaths, in hospital and pre-hospital settings. Hemostasis is a complex mechanism that involves a cascade of clotting factors and proteins that result in the formation of a strong clot. In certain surgical and emergency situations, hemostatic agents are needed to achieve faster blood coagulation to prevent the patient from experiencing a severe hemorrhagic shock. Therefore, it is critical to consider appropriate materials and designs for hemostatic agents. Many materials have been fabricated as hemostatic agents, including synthetic and naturally derived polymers. However, compared to synthetic polymers, natural polymers or biopolymers, which include polysaccharides and polypeptides, have greater biocompatibility, biodegradability, and processibility. Thus, in this review, we focus on biopolymer-based hemostatic agents of different forms, such as powder, particles, sponges, and hydrogels. Finally, we discuss biopolymer-based hemostats currently in clinical trials and offer insight into next-generation hemostats for clinical translation.
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Affiliation(s)
- Marvin Mecwan
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Jinghang Li
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Natashya Falcone
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Menekse Ermis Sen
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Alireza Hassani
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Reihaneh Haghniaz
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Kalpana Mandal
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Saurabh Sharma
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Surjendu Maity
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Fatemeh Zehtabi
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Behnam Zamanian
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Rondinelli Herculano
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
- São Paulo State University (UNESP), Bioengineering & Biomaterials Group, School of Pharmaceutical Sciences , Araraquara, SP, Brazil
- São Paulo State University (UNESP), Department of Biotechnology, School of Sciences , Humanities and Languages, Assis, SP, Brazil
| | - Mohsen Akbari
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
- University of Victoria Department of Mechanical Engineering, , Victoria, British Columbia, Canada
- Biotechnology Center, Silesian University of Technology , Akademicka 2A, Gliwice, 44-100, Poland
| | - Johnson V John
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Ali Khademhosseini
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
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Furcellaran Surface Deposition and Its Potential in Biomedical Applications. Int J Mol Sci 2022; 23:ijms23137439. [PMID: 35806443 PMCID: PMC9267115 DOI: 10.3390/ijms23137439] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 06/30/2022] [Accepted: 07/02/2022] [Indexed: 11/16/2022] Open
Abstract
Surface coatings of materials by polysaccharide polymers are an acknowledged strategy to modulate interfacial biocompatibility. Polysaccharides from various algal species represent an attractive source of structurally diverse compounds that have found application in the biomedical field. Furcellaran obtained from the red algae Furcellaria lumbricalis is a potential candidate for biomedical applications due to its gelation properties and mechanical strength. In the present study, immobilization of furcellaran onto polyethylene terephthalate surfaces by a multistep approach was studied. In this approach, N-allylmethylamine was grafted onto a functionalized polyethylene terephthalate (PET) surface via air plasma treatment. Furcellaran, as a bioactive agent, was anchored on such substrates. Surface characteristics were measured by means of contact angle measurements, X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM). Subsequently, samples were subjected to selected cell interaction assays, such as antibacterial activity, anticoagulant activity, fibroblasts and stem cell cytocompatibility, to investigate the Furcellaran potential in biomedical applications. Based on these results, furcellaran-coated PET films showed significantly improved embryonic stem cell (ESC) proliferation compared to the initial untreated material.
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Peng X, Cheng C, Yue L, Liu Y, Yu X. A Comparative Study Between Porcine Peritoneum and Pericardium as Cardiovascular Material. Tissue Eng Part C Methods 2022; 28:272-284. [PMID: 35611974 DOI: 10.1089/ten.tec.2022.0028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Decellularized porcine pericardium has many applications in the cardiovascular field for its excellent properties. The peritoneum is a single-layer bio-dialysis membrane with many similarities and differences in physical characteristics, biochemical composition, and structure to the pericardium. The limited available literature suggests that, similar to the pericardium, the peritoneum has good application potential in the field of cardiovascular substitute materials. This research focused on comparing the differences between decellularized peritoneum and decellularized pericardium in microstructure, biochemical composition, mechanical properties, hemocompatibility, in vitro enzymatic degradation, in vitro calcification, cytocompatibility, and other vital indicators. The peritoneum was consistent with pericardium in terms of fibrous structure, hemocompatibility, in vitro calcification, and cytocompatibility. The peritoneal elastic fiber content (219 μg/mg) was significantly higher than that of the pericardium (66 μg/mg), resulting in two to three times higher maximum load (21.1 N) and burst pressure (1309 mmHg), and better performance than the pericardium in terms of in vitro resistance to enzymatic degradation. In the cardiovascular field, decellularized peritoneum can be used as vascular substitute material. Impact statement There are many similarities between the embryonic origin and morphological structure of the porcine peritoneum and the porcine pericardium, but little research has been done on the use of the porcine peritoneum as a biomaterial. In this compared research, we showed that porcine peritoneum had better resistance to enzymatic degradation, better stretching, and more suitable burst pressure for being used as vascular substitute material. This research is the first to describe the structural composition of porcine peritoneum and its advantageous properties as a cardiovascular material.
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Affiliation(s)
- Xu Peng
- College of Polymer Science and Engineering, Experimental and Research Animal Institute, Sichuan University, Chengdu, China
| | - Can Cheng
- College of Polymer Science and Engineering, Sichuan University, Chengdu, China
| | - Lunli Yue
- Department of Oncology Hematology, Western Theater Command Air Force Hospital, Chengdu, China
| | - Yan Liu
- Experimental and Research Animal Institute, Sichuan University, Chengdu, China
| | - Xixun Yu
- College of Polymer Science and Engineering, Sichuan University, Chengdu, China
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Hemolytic Performance in Two Generations of the Sputnik Left Ventricular Assist Device: A Combined Numerical and Experimental Study. J Funct Biomater 2022; 13:jfb13010007. [PMID: 35076513 PMCID: PMC8788462 DOI: 10.3390/jfb13010007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 12/22/2021] [Accepted: 01/07/2022] [Indexed: 02/05/2023] Open
Abstract
Background: Currently, left ventricular assist devices (LVADs) are a successful surgical treatment for patients with end-stage heart failure on the waiting list or with contraindicated heart transplantation. In Russia, Sputnik 1 LVAD was also successfully introduced into clinical practice as a bridge-to-transplant and a destination therapy device. Development of Sputnik 2 LVAD was aimed at miniaturization to reduce invasiveness, optimize hemocompatibility, and improve versatility for patients of various sizes. Methods: We compared hemolysis level in flow path of the Sputnik LVADs and investigated design aspects influencing other types of blood damage, using predictions of computational fluid dynamics (CFD) and experimental assessment. The investigated operating point was a flow rate of 5 L/min and a pressure head of 100 mm Hg at an impeller rotational speed of 9100 min−1. Results: Mean hemolysis indices predicted with CFD were 0.0090% in the Sputnik 1 and 0.0023% in the Sputnik 2. Averaged values of normalized index of hemolysis obtained experimentally for the Sputnik 1 and the Sputnik 2 were 0.011 ± 0.003 g/100 L and 0.004 ± 0.002 g/100 L, respectively. Conclusions: Obtained results indicate obvious improvements in hemocompatibility and sufficiently satisfy the determined miniaturization aim for the Sputnik 2 LVAD development.
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