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Espinoça IT, Basilio DCLS, de Araujo AJP, Ota RSN, de Souza KFS, Cassemiro NS, Lagatta DC, Paredes-Gamero EJ, Macedo MLR, Silva DB, Sardi JDCO, Wilhelm-Filho D, Jacobowski AC, Parisotto EB. Antithrombotic Effect of Oil from the Pulp of Bocaiúva- Acrocomia aculeata (Jacq.) Lodd. ex Mart. (Arecaceae). Nutrients 2024; 16:2024. [PMID: 38999771 PMCID: PMC11243071 DOI: 10.3390/nu16132024] [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: 05/14/2024] [Revised: 06/18/2024] [Accepted: 06/25/2024] [Indexed: 07/14/2024] Open
Abstract
The study aimed to evaluate the antithrombotic action of Acrocomia aculeata pulp oil (AAPO) in natura, in an in vitro experimental model. AAPO was obtained by solvent extraction, and its chemical characterization was performed by gas chromatography coupled to a mass spectrometer (GC-MS). In vitro toxicity was evaluated with the Trypan Blue exclusion test and in vivo by the Galleria mellonella model. ADP/epinephrine-induced platelet aggregation after treatment with AAPO (50, 100, 200, 400, and 800 μg/mL) was evaluated by turbidimetry, and coagulation was determined by prothrombin activity time (PT) and activated partial thromboplastin time (aPTT). Platelet activation was measured by expression of P-selectin on the platelet surface by flow cytometry and intraplatelet content of reactive oxygen species (ROS) by fluorimetry. The results showed that AAPO has as major components such as oleic acid, palmitic acid, lauric acid, caprylic acid, and squalene. AAPO showed no toxicity in vitro or in vivo. Platelet aggregation decreased against agonists using treatment with different concentrations of AAPO. Oil did not interfere in PT and aPTT. Moreover, it expressively decreased ROS-induced platelet activation and P-selectin expression. Therefore, AAPO showed antiplatelet action since it decreased platelet activation verified by the decrease in P-selectin expression as well as in ROS production.
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Affiliation(s)
- Isabelly Teixeira Espinoça
- Faculty of Pharmaceutical Sciences, Food and Nutrition (FACFAN), Federal University of Mato Grosso do Sul (UFMS), Campo Grande 79070-900, MS, Brazil
| | - Denise Caroline Luiz Soares Basilio
- Faculty of Pharmaceutical Sciences, Food and Nutrition (FACFAN), Federal University of Mato Grosso do Sul (UFMS), Campo Grande 79070-900, MS, Brazil
| | - Anna Júlia Papa de Araujo
- Faculty of Pharmaceutical Sciences, Food and Nutrition (FACFAN), Federal University of Mato Grosso do Sul (UFMS), Campo Grande 79070-900, MS, Brazil
| | - Rafael Seiji Nakano Ota
- Faculty of Pharmaceutical Sciences, Food and Nutrition (FACFAN), Federal University of Mato Grosso do Sul (UFMS), Campo Grande 79070-900, MS, Brazil
| | | | - Nadla Soares Cassemiro
- Faculty of Pharmaceutical Sciences, Food and Nutrition (FACFAN), Federal University of Mato Grosso do Sul (UFMS), Campo Grande 79070-900, MS, Brazil
- Laboratory of Natural Products and Mass Spectrometry (LAPNEM), Faculty of Pharmaceutical Sciences, Food and Nutrition (FACFAN), Federal University of Mato Grosso do Sul (UFMS), Campo Grande 79080-190, MS, Brazil
| | - Davi Campos Lagatta
- Faculty of Pharmaceutical Sciences, Food and Nutrition (FACFAN), Federal University of Mato Grosso do Sul (UFMS), Campo Grande 79070-900, MS, Brazil
| | - Edgar Julian Paredes-Gamero
- Faculty of Pharmaceutical Sciences, Food and Nutrition (FACFAN), Federal University of Mato Grosso do Sul (UFMS), Campo Grande 79070-900, MS, Brazil
- Department of Biochemistry, Federal University of São Paulo, São Paulo 4044-020, SP, Brazil
| | - Maria Lígia Rodrigues Macedo
- Faculty of Pharmaceutical Sciences, Food and Nutrition (FACFAN), Federal University of Mato Grosso do Sul (UFMS), Campo Grande 79070-900, MS, Brazil
| | - Denise Brentan Silva
- Faculty of Pharmaceutical Sciences, Food and Nutrition (FACFAN), Federal University of Mato Grosso do Sul (UFMS), Campo Grande 79070-900, MS, Brazil
- Laboratory of Natural Products and Mass Spectrometry (LAPNEM), Faculty of Pharmaceutical Sciences, Food and Nutrition (FACFAN), Federal University of Mato Grosso do Sul (UFMS), Campo Grande 79080-190, MS, Brazil
| | | | - Danilo Wilhelm-Filho
- Department of Ecology and Zoology, Center for Biological Sciences (CCB), Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil
| | - Ana Cristina Jacobowski
- Faculty of Pharmaceutical Sciences, Food and Nutrition (FACFAN), Federal University of Mato Grosso do Sul (UFMS), Campo Grande 79070-900, MS, Brazil
| | - Eduardo Benedetti Parisotto
- Faculty of Pharmaceutical Sciences, Food and Nutrition (FACFAN), Federal University of Mato Grosso do Sul (UFMS), Campo Grande 79070-900, MS, Brazil
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2
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Lebrón JA, Ostos FJ, Martínez-Santa M, García-Moscoso F, López-López M, Moyá ML, Bernal E, Bachiller S, González-Ulloa G, Rodríguez-Lucena D, Lopes-Costa T, Fernández-Torres R, Ruiz-Mateos E, Pedrosa JM, Rafii-El-Idrissi Benhnia M, López-Cornejo P. Biocompatible metal-organic frameworks as promising platforms to eradicate HIV reservoirs ex vivo in people living with HIV. J Mater Chem B 2024; 12:5220-5237. [PMID: 38695162 DOI: 10.1039/d4tb00272e] [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: 05/30/2024]
Abstract
The HIV attacks the immune system provoking an infection that is considered a global health challenge. Despite antiretroviral treatments being effective in reducing the plasma viral load in the blood to undetectable levels in people living with HIV (PLWH), the disease is not cured and has become chronic. This happens because of the existence of anatomical and cellular viral reservoirs, mainly located in the lymph nodes and gastrointestinal tract, which are composed of infected CD4+ T cells with a resting memory phenotype and inaccessible to antiretroviral therapy. Herein, a new therapeutic strategy based on nanotechnology is presented. Different combinations of antiretroviral drugs (bictegravir/tenofovir/emtricitabine and nevirapine/tenofovir/emtricitabine) and toll-like receptor agonists were encapsulated into metal-organic frameworks (MOFs) PCN-224 and ZIF-8. The encapsulation efficiencies of all the drugs, as well as their release rate from the carriers, were measured. In vitro studies about the cell viability, the hemocompatibility, and the platelet aggregation of the MOFs were carried out. Epifluorescence microscopy assays confirmed the ability of ZIF-8 to target a carboxyfluorescein probe inside HeLa cell lines and PBMCs. These results pave the way for the use of these structures to eliminate latent HIV reservoirs from anatomical compartments through the activation of innate immune cells, and a higher efficacy of the triplet combinations of antiretroviral drugs.
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Affiliation(s)
- José A Lebrón
- Department of Physical Chemistry, Faculty of Chemistry, University of Seville, C/Prof. García González 1, 41012 Seville, Spain.
| | - Francisco J Ostos
- Department of Medical Biochemistry, Molecular Biology, and Immunology, School of Medicine, University of Seville, 41009 Seville, Spain
- Institute of Biomedicine of Seville, IBiS/Virgen del Rocío University Hospital/CSIC/University of Seville, Clinical Unit of Infectious Diseases, Microbiology and Parasitology, 41013 Seville, Spain
| | - Marta Martínez-Santa
- Department of Physical Chemistry, Faculty of Chemistry, University of Seville, C/Prof. García González 1, 41012 Seville, Spain.
| | - Francisco García-Moscoso
- Department of Physical, Chemical and Natural Systems, University Pablo de Olavide, Ctra. Utrera Km. 1, 41013, Seville, Spain
| | - Manuel López-López
- Department of Chemical Engineering, Physical Chemistry and Materials Science, Campus 'El Carmen', Faculty of Experimental Sciences, University of Huelva, 21071, Huelva, Spain
| | - María L Moyá
- Department of Physical Chemistry, Faculty of Chemistry, University of Seville, C/Prof. García González 1, 41012 Seville, Spain.
| | - Eva Bernal
- Department of Physical Chemistry, Faculty of Chemistry, University of Seville, C/Prof. García González 1, 41012 Seville, Spain.
| | - Sara Bachiller
- Department of Medical Biochemistry, Molecular Biology, and Immunology, School of Medicine, University of Seville, 41009 Seville, Spain
- Institute of Biomedicine of Seville, IBiS/Virgen del Rocío University Hospital/CSIC/University of Seville, Clinical Unit of Infectious Diseases, Microbiology and Parasitology, 41013 Seville, Spain
| | - Gabriel González-Ulloa
- Department of Medical Biochemistry, Molecular Biology, and Immunology, School of Medicine, University of Seville, 41009 Seville, Spain
- Institute of Biomedicine of Seville, IBiS/Virgen del Rocío University Hospital/CSIC/University of Seville, Clinical Unit of Infectious Diseases, Microbiology and Parasitology, 41013 Seville, Spain
| | - David Rodríguez-Lucena
- Department of Physical, Chemical and Natural Systems, University Pablo de Olavide, Ctra. Utrera Km. 1, 41013, Seville, Spain
| | - Tania Lopes-Costa
- Department of Physical, Chemical and Natural Systems, University Pablo de Olavide, Ctra. Utrera Km. 1, 41013, Seville, Spain
| | - Rut Fernández-Torres
- Department of Analytical Chemistry, Faculty of Chemistry, University of Seville, c/Prof. García González, 1, 41012, Seville, Spain
| | - Ezequiel Ruiz-Mateos
- Institute of Biomedicine of Seville, IBiS/Virgen del Rocío University Hospital/CSIC/University of Seville, Clinical Unit of Infectious Diseases, Microbiology and Parasitology, 41013 Seville, Spain
| | - José M Pedrosa
- Department of Physical, Chemical and Natural Systems, University Pablo de Olavide, Ctra. Utrera Km. 1, 41013, Seville, Spain
| | - Mohammed Rafii-El-Idrissi Benhnia
- Department of Medical Biochemistry, Molecular Biology, and Immunology, School of Medicine, University of Seville, 41009 Seville, Spain
- Institute of Biomedicine of Seville, IBiS/Virgen del Rocío University Hospital/CSIC/University of Seville, Clinical Unit of Infectious Diseases, Microbiology and Parasitology, 41013 Seville, Spain
| | - Pilar López-Cornejo
- Department of Physical Chemistry, Faculty of Chemistry, University of Seville, C/Prof. García González 1, 41012 Seville, Spain.
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Yang J, Cai F, Lv Y, Jiang T, Zhao X, Hu X, Zheng Y, Shi X. Chitosan nonwoven fabric composited calcium alginate and adenosine diphosphate as a hemostatic bandage for acute bleeding wounds. Int J Biol Macromol 2024; 257:128561. [PMID: 38056735 DOI: 10.1016/j.ijbiomac.2023.128561] [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: 08/10/2023] [Revised: 10/23/2023] [Accepted: 11/30/2023] [Indexed: 12/08/2023]
Abstract
Acute bleeding following accidental injury is a leading cause of mortality. However, conventional hemostatic bandages impede wound healing by inducing excessive blood loss, dehydration, and adherence to granulation tissue. Strategies such as incorporating active hemostatic agents and implementing chemical modifications can augment the properties of these bandages. Nevertheless, the presence of remote thrombosis and initiators may pose risks to human health. Here, a hemostatic bandage was developed by physically combined chitosan nonwoven fabric, calcium alginate sponge, and adenosine diphosphate. The presented hemostatic bandage not only exhibits active and passive mechanisms for promoting clotting but also demonstrates excellent mechanical properties, breathability, ease of removal without causing damage to the wound bed or surrounding tissues, as well as maintaining an optimal moist environment conducive to wound healing. In vitro evaluation results indicated that the hemostatic bandage possesses favorable cytocompatibility with low levels of hemolysis. Furthermore, it effectively aggregates various blood cells while activating platelets synergistically to promote both extrinsic and intrinsic coagulation pathways. In an in vivo rat model study involving liver laceration and femoral artery injury scenarios, our developed hemostatic bandage demonstrated rapid clot formation capabilities along with reduced blood loss compared to commercially available fabrics.
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Affiliation(s)
- Jianmin Yang
- College of Biological Science and Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China; Fujian Key Laboratory of Medical Instrument and Pharmaceutical Technology, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China.
| | - Fengying Cai
- College of Biological Science and Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China
| | - Yicheng Lv
- College of Biological Science and Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China
| | - Ting Jiang
- College of Biological Science and Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China
| | - Xingkai Zhao
- College of Biological Science and Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China
| | - Xueli Hu
- College of Biological Science and Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China
| | - Yunquan Zheng
- Fujian Key Laboratory of Medical Instrument and Pharmaceutical Technology, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China
| | - Xianai Shi
- College of Biological Science and Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China; Fujian Key Laboratory of Medical Instrument and Pharmaceutical Technology, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China.
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4
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Copling A, Akantibila M, Kumaresan R, Fleischer G, Cortes D, Tripathi RS, Carabetta VJ, Vega SL. Recent Advances in Antimicrobial Peptide Hydrogels. Int J Mol Sci 2023; 24:7563. [PMID: 37108725 PMCID: PMC10139150 DOI: 10.3390/ijms24087563] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 04/17/2023] [Accepted: 04/18/2023] [Indexed: 04/29/2023] Open
Abstract
Advances in the number and type of available biomaterials have improved medical devices such as catheters, stents, pacemakers, prosthetic joints, and orthopedic devices. The introduction of a foreign material into the body comes with a risk of microbial colonization and subsequent infection. Infections of surgically implanted devices often lead to device failure, which leads to increased patient morbidity and mortality. The overuse and improper use of antimicrobials has led to an alarming rise and spread of drug-resistant infections. To overcome the problem of drug-resistant infections, novel antimicrobial biomaterials are increasingly being researched and developed. Hydrogels are a class of 3D biomaterials consisting of a hydrated polymer network with tunable functionality. As hydrogels are customizable, many different antimicrobial agents, such as inorganic molecules, metals, and antibiotics have been incorporated or tethered to them. Due to the increased prevalence of antibiotic resistance, antimicrobial peptides (AMPs) are being increasingly explored as alternative agents. AMP-tethered hydrogels are being increasingly examined for antimicrobial properties and practical applications, such as wound-healing. Here, we provide a recent update, from the last 5 years of innovations and discoveries made in the development of photopolymerizable, self-assembling, and AMP-releasing hydrogels.
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Affiliation(s)
- Aryanna Copling
- Department of Molecular & Cellular Biosciences, Rowan University, Glassboro, NJ 08028, USA;
| | - Maxwell Akantibila
- Department of Biomedical Sciences, Cooper Medical School of Rowan University, Camden, NJ 08103, USA; (M.A.); (G.F.); (D.C.); (R.S.T.)
| | - Raaha Kumaresan
- Department of Biomedical Engineering, Rowan University, Glassboro, NJ 08028, USA;
| | - Gilbert Fleischer
- Department of Biomedical Sciences, Cooper Medical School of Rowan University, Camden, NJ 08103, USA; (M.A.); (G.F.); (D.C.); (R.S.T.)
| | - Dennise Cortes
- Department of Biomedical Sciences, Cooper Medical School of Rowan University, Camden, NJ 08103, USA; (M.A.); (G.F.); (D.C.); (R.S.T.)
| | - Rahul S. Tripathi
- Department of Biomedical Sciences, Cooper Medical School of Rowan University, Camden, NJ 08103, USA; (M.A.); (G.F.); (D.C.); (R.S.T.)
| | - Valerie J. Carabetta
- Department of Biomedical Sciences, Cooper Medical School of Rowan University, Camden, NJ 08103, USA; (M.A.); (G.F.); (D.C.); (R.S.T.)
| | - Sebastián L. Vega
- Department of Biomedical Engineering, Rowan University, Glassboro, NJ 08028, USA;
- Department of Orthopedic Surgery, Cooper Medical School of Rowan University, Camden, NJ 08103, USA
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5
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Qin T, Huang X, Zhang Q, Chen F, Zhu J, Ding Y. Hemostatic effects of FmocF-ADP hydrogel consisted of Fmoc-Phenylalanine and ADP. Amino Acids 2023; 55:499-507. [PMID: 36715768 DOI: 10.1007/s00726-023-03243-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Accepted: 01/20/2023] [Indexed: 01/31/2023]
Abstract
During trauma and surgery, bleeding is a major concern. One of the crucial strategies for hemostasis is the use of biological hemostatic material. Herein, we reported an amino acid-based hydrogel FmocF-ADP hydrogel, which consisted of N-[(9H-fluoren-9-ylmethoxy) carbonyl]-3-phenyl-L-alanine (FmocF) and adenosine diphosphate (ADP) sodium solution. The hydrogel was created by FmocF self-assembling to nanofiber in ADP sodium solution and then cross-linking to hydrogel. FmocF-ADP hydrogel showed good in vitro coagulation activity as measured by whole blood clotting assays, platelet clotting assays, platelet activation assays, and platelet adhesion assays. Further, it was noted to reveal an exceptional in vivo hemostatic effect in a mouse liver bleeding model. Together with the previous report of the good biocompatibility and antimicrobial activity of FmocF hydrogel, our study would extend the biomedical application of FmocF hydrogel. In conclusion, the present study would provide a constructive strategy for the development of new antimicrobial and hemostatic materials or develop a potential hemostatic material.
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Affiliation(s)
- Tiansheng Qin
- The First Clinical Medical College of Gansu University of Chinese Medicine (Gansu Provincial Hospital), West Donggang Road 204, Lanzhou, 730000, People's Republic of China.
| | - Xiande Huang
- The First Clinical Medical College of Gansu University of Chinese Medicine (Gansu Provincial Hospital), West Donggang Road 204, Lanzhou, 730000, People's Republic of China
| | - Qianqian Zhang
- The First Clinical Medical College of Gansu University of Chinese Medicine (Gansu Provincial Hospital), West Donggang Road 204, Lanzhou, 730000, People's Republic of China
| | - Fan Chen
- The First Clinical Medical College of Gansu University of Chinese Medicine (Gansu Provincial Hospital), West Donggang Road 204, Lanzhou, 730000, People's Republic of China
| | - Jiaojiao Zhu
- The First Clinical Medical College of Gansu University of Chinese Medicine (Gansu Provincial Hospital), West Donggang Road 204, Lanzhou, 730000, People's Republic of China
| | - Yaoyao Ding
- The First Clinical Medical College of Gansu University of Chinese Medicine (Gansu Provincial Hospital), West Donggang Road 204, Lanzhou, 730000, People's Republic of China
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Zhou J, Zhang H, Fareed MS, He Y, Lu Y, Yang C, Wang Z, Su J, Wang P, Yan W, Wang K. An Injectable Peptide Hydrogel Constructed of Natural Antimicrobial Peptide J-1 and ADP Shows Anti-Infection, Hemostasis, and Antiadhesion Efficacy. ACS NANO 2022; 16:7636-7650. [PMID: 35533290 DOI: 10.1021/acsnano.1c11206] [Citation(s) in RCA: 50] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Postoperative adhesion is a common complication of abdominal surgery, which always has many adverse effects in patients. At present, there is still a lack of effective treatment measures and materials to prevent adhesion in the clinics. Herein, we report the potential use of J-1-ADP hydrogel formed by natural antimicrobial peptide jelleine-1 (J-1) self-assembling in adenosine diphosphate (ADP) sodium solution to prevent postsurgery adhesion formation. J-1-ADP hydrogel was found to have good antimicrobial activity against the bacteria and fungi tested and can be used to prevent tissue infection, which was thought to be one of the incitements of adhesion. Due to ADP being a platelet-activating factor, J-1-ADP hydrogel showed significant hemostatic activity in vitro verified by whole blood coagulation, plasma coagulation, platelet activation, and platelet adhesion assays. Further, it showed potent hemostatic activity in a mouse liver hemorrhage model. Bleeding was believed to be a cause of the formation of postsurgery adhesion. J-1-ADP hydrogel had a significant antiadhesion effect in a rat side wall defect-cecum abrasion model. In addition, it had good biocompatibility and degradation properties. So the present study may provide an alternative strategy for designing antimicrobial peptide hydrogel material to prevent postoperative adhesion formation in the clinic.
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Affiliation(s)
| | - Hanru Zhang
- Department of Obstetrics & Gynecology, Gansu Provincial Maternity and Child Care Hospital, Lanzhou 730000, P. R. China
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7
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Veuthey L, Aliotta A, Bertaggia Calderara D, Pereira Portela C, Alberio L. Mechanisms Underlying Dichotomous Procoagulant COAT Platelet Generation-A Conceptual Review Summarizing Current Knowledge. Int J Mol Sci 2022; 23:2536. [PMID: 35269679 PMCID: PMC8910683 DOI: 10.3390/ijms23052536] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 02/19/2022] [Accepted: 02/21/2022] [Indexed: 12/23/2022] Open
Abstract
Procoagulant platelets are a subtype of activated platelets that sustains thrombin generation in order to consolidate the clot and stop bleeding. This aspect of platelet activation is gaining more and more recognition and interest. In fact, next to aggregating platelets, procoagulant platelets are key regulators of thrombus formation. Imbalance of both subpopulations can lead to undesired thrombotic or bleeding events. COAT platelets derive from a common pro-aggregatory phenotype in cells capable of accumulating enough cytosolic calcium to trigger specific pathways that mediate the loss of their aggregating properties and the development of new adhesive and procoagulant characteristics. Complex cascades of signaling events are involved and this may explain why an inter-individual variability exists in procoagulant potential. Nowadays, we know the key agonists and mediators underlying the generation of a procoagulant platelet response. However, we still lack insight into the actual mechanisms controlling this dichotomous pattern (i.e., procoagulant versus aggregating phenotype). In this review, we describe the phenotypic characteristics of procoagulant COAT platelets, we detail the current knowledge on the mechanisms of the procoagulant response, and discuss possible drivers of this dichotomous diversification, in particular addressing the impact of the platelet environment during in vivo thrombus formation.
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Affiliation(s)
| | | | | | | | - Lorenzo Alberio
- Hemostasis and Platelet Research Laboratory, Division of Hematology and Central Hematology Laboratory, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), CH-1010 Lausanne, Switzerland; (L.V.); (A.A.); (D.B.C.); (C.P.P.)
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8
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Hu Y, Ma VP, Ma R, Chen W, Duan Y, Glazier R, Petrich BG, Li R, Salaita K. DNA‐Based Microparticle Tension Sensors (μTS) for Measuring Cell Mechanics in Non‐planar Geometries and for High‐Throughput Quantification. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202102206] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yuesong Hu
- Department of Chemistry Emory University Atlanta GA 30322 USA
| | | | - Rong Ma
- Department of Chemistry Emory University Atlanta GA 30322 USA
| | - Wenchun Chen
- Aflac Cancer and Blood Disorders Center Children's Healthcare of Atlanta Department of Pediatrics Emory University Atlanta GA 30322 USA
| | - Yuxin Duan
- Department of Chemistry Emory University Atlanta GA 30322 USA
| | - Roxanne Glazier
- Wallace H. Coulter Department of Biomedical Engineering Georgia Institute of Technology and Emory University Atlanta GA 30322 USA
| | - Brian G. Petrich
- Aflac Cancer and Blood Disorders Center Children's Healthcare of Atlanta Department of Pediatrics Emory University Atlanta GA 30322 USA
| | - Renhao Li
- Aflac Cancer and Blood Disorders Center Children's Healthcare of Atlanta Department of Pediatrics Emory University Atlanta GA 30322 USA
| | - Khalid Salaita
- Department of Chemistry Emory University Atlanta GA 30322 USA
- Wallace H. Coulter Department of Biomedical Engineering Georgia Institute of Technology and Emory University Atlanta GA 30322 USA
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9
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Hu Y, Ma VPY, Ma R, Chen W, Duan Y, Glazier R, Petrich BG, Li R, Salaita K. DNA-Based Microparticle Tension Sensors (μTS) for Measuring Cell Mechanics in Non-planar Geometries and for High-Throughput Quantification. Angew Chem Int Ed Engl 2021; 60:18044-18050. [PMID: 33979471 DOI: 10.1002/anie.202102206] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 03/22/2021] [Indexed: 11/07/2022]
Abstract
Mechanotransduction, the interplay between physical and chemical signaling, plays vital roles in many biological processes. The state-of-the-art techniques to quantify cell forces employ deformable polymer films or molecular probes tethered to glass substrates. However, the applications of these assays in fundamental and clinical research are restricted by the planar geometry and low throughput of microscopy readout. Herein, we develop a DNA-based microparticle tension sensor, which features a spherical surface and thus allows for investigation of mechanotransduction at curved interfaces. The micron-scale of μTS enables flow cytometry readout, which is rapid and high throughput. We applied the method to map and measure T-cell receptor forces and platelet integrin forces at 12 and 56 pN thresholds. Furthermore, we quantified the inhibition efficiency of two anti-platelet drugs providing a proof-of-concept demonstration of μTS to screen drugs that modulate cellular mechanics.
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Affiliation(s)
- Yuesong Hu
- Department of Chemistry, Emory University, Atlanta, GA, 30322, USA
| | | | - Rong Ma
- Department of Chemistry, Emory University, Atlanta, GA, 30322, USA
| | - Wenchun Chen
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Department of Pediatrics, Emory University, Atlanta, GA, 30322, USA
| | - Yuxin Duan
- Department of Chemistry, Emory University, Atlanta, GA, 30322, USA
| | - Roxanne Glazier
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, 30322, USA
| | - Brian G Petrich
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Department of Pediatrics, Emory University, Atlanta, GA, 30322, USA
| | - Renhao Li
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Department of Pediatrics, Emory University, Atlanta, GA, 30322, USA
| | - Khalid Salaita
- Department of Chemistry, Emory University, Atlanta, GA, 30322, USA.,Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, 30322, USA
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Lu PH, Kuo CY, Chan CC, Wang LK, Chen ML, Tzeng IS, Tsai FM. Safflower Extract Inhibits ADP-Induced Human Platelet Aggregation. PLANTS 2021; 10:plants10061192. [PMID: 34208125 PMCID: PMC8230796 DOI: 10.3390/plants10061192] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 06/08/2021] [Accepted: 06/09/2021] [Indexed: 02/07/2023]
Abstract
Safflower extract is commonly used as a traditional Chinese medicine to promote blood circulation and remove blood stasis. The antioxidant and anticancer properties of safflower extracts have been extensively studied, but their antiaggregative effects have been less analyzed. We found that safflower extract inhibited human platelet aggregation induced by ADP. In addition, we further analyzed several safflower extract compounds, such as hydroxysafflor yellow A, safflower yellow A, and luteolin, which have the same antiaggregative effect. In addition to analyzing the active components of the safflower extract, we also analyzed their roles in the ADP signaling pathways. Safflower extract can affect the activation of downstream conductors of ADP receptors (such as the production of calcium ions and cAMP), thereby affecting the expression of activated glycoproteins on the platelet membrane and inhibiting platelet aggregation. According to the results of this study, the effect of safflower extract on promoting blood circulation and removing blood stasis may be related to its direct inhibition of platelet activation.
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Affiliation(s)
- Ping-Hsun Lu
- Department of Chinese Medicine, Taipei Tzu Chi Hospital, The Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan;
- School of Post-Baccalaureate Chinese Medicine, Tzu Chi University, Hualien 970, Taiwan
| | - Chan-Yen Kuo
- Department of Research, Taipei Tzu Chi Hospital, The Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan; (C.-Y.K.); (M.-L.C.); (I.-S.T.)
| | - Chuan-Chi Chan
- Department of Laboratory Medicine, Taipei Tzu Chi Hospital, The Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan;
| | - Lu-Kai Wang
- Radiation Biology Core Laboratory, Institute for Radiological Research, Chang Gung University/Chang Gung Memorial Hospital, Linkou, Taoyuan 333, Taiwan;
| | - Mao-Liang Chen
- Department of Research, Taipei Tzu Chi Hospital, The Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan; (C.-Y.K.); (M.-L.C.); (I.-S.T.)
| | - I-Shiang Tzeng
- Department of Research, Taipei Tzu Chi Hospital, The Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan; (C.-Y.K.); (M.-L.C.); (I.-S.T.)
| | - Fu-Ming Tsai
- Department of Research, Taipei Tzu Chi Hospital, The Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan; (C.-Y.K.); (M.-L.C.); (I.-S.T.)
- Correspondence: ; Tel.: +886-2-66289779-5793
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De R, Chowdhury R, Dolai TK, Bhar B, Islam MM, Chakrabarty P, Deb S. A Pilot Study on Probing of Imatinib Induced Platelet Dysfunction in Patients with Chronic Myeloid Leukemia-Chronic Phase and Absence of Associated Bleeding Manifestation: Trying to Solve an Enigma. Indian J Hematol Blood Transfus 2021; 37:162-166. [PMID: 33707851 DOI: 10.1007/s12288-020-01376-8] [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: 04/28/2020] [Accepted: 10/28/2020] [Indexed: 11/25/2022] Open
Abstract
Imatinib, the first Tyrosine Kinase Inhibitor (TKI) used for the treatment of chronic myeloid leukaemia (CML) has revolutionized the management by inhibiting BCR-ABL tyrosine kinase. According to earlier reports there are concerns regarding the adverse effect of imatinib on haemostasis by causing platelet dysfunction. Here we studied platelet function using platelet aggregometry, in 19 CML chronic phase (CML-CP) patients on imatinib therapy, in complete haematologic response (CHR). The median duration of imatinib therapy before performing the test was 154 days. This study reveals that there are large inter-individual variations in platelet functions among imatinib treated patients and different levels of variability have been seen for different agonists. Most common aggregation abnormality (< 50% aggregation) was seen with low dose collagen (1 μg/ml) in 31.57% patients. Despite in-vitro platelet aggregation defects, none of the patients showed any bleeding symptoms. This enigma can possibly be explained by the fact that platelet specific agonists, epinephrine and collagen act in synergy for platelet aggregation compared against individual low dose agonists, supported by ex-vivo experiments in normal healthy control group (n = 5) (p value < 0.0004 for epinephrine, p value < 0.0001 for collagen). This experiment was also confirmed in a CML-CP patient. In future, more studies are needed to find out the exact mechanism of this inhibition.
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Affiliation(s)
- Rajib De
- Department of Haematology, NRS Medical College, 138 AJC Bose Road, Kolkata, 700014 India
| | - Ranjini Chowdhury
- Department of Biochemistry, University of Calcutta, Kolkata, 700019 India
| | - Tuphan Kanti Dolai
- Department of Haematology, NRS Medical College, 138 AJC Bose Road, Kolkata, 700014 India
| | - Biswajit Bhar
- Institute of Haematology and Transfusion Medicine, Medical College, MCH 3rd Floor, 88 College Street, Kolkata, 700073 India
| | - Mohammad Mirazul Islam
- Schepens Eye Research Institute, Department of Ophthalmology, Harvard Medical School, 20 Staniford St, Boston, MA 02114 USA
| | - Prantar Chakrabarty
- Vivekananda Institute of Medical Sciences, 99 Sarat Bose Road, Kolkata, 700026 India
| | - Suryyani Deb
- Department of Biotechnology, Maulana Abul Kalam Azad University of Technology, Kolkata, West Bengal 741249 India
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Li RHL, Nguyen N, Rosati T, Jandrey K. Assessment of P2Y 12 Inhibition by Clopidogrel in Feline Platelets Using Flow Cytometry Quantification of Vasodilator-Stimulated Phosphoprotein Phosphorylation. Front Vet Sci 2020; 7:267. [PMID: 32537460 PMCID: PMC7267589 DOI: 10.3389/fvets.2020.00267] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Accepted: 04/21/2020] [Indexed: 12/18/2022] Open
Abstract
The primary objective of this study was to evaluate a novel flow cytometry-based assay of quantifying platelet phosphorylation of vasodilator-stimulated phosphoprotein (P-VASP) in cats that received clopidogrel treatment. Eight healthy cats received 18.75 mg PO q24h of clopidogrel for 7 days. Prior to and after clopidogrel treatment, blood was collected for ADP-induced light transmission aggregometry (LTA) and P-VASP measurement by flow cytometry. Flow cytometry measurement of P-VASP levels was used to derive platelet reactivity index (PRI) before and after clopidogrel treatment. Based on P-VASP and LTA findings, platelet response to ADP was significantly attenuated after 7 days of clopidogrel treatment. By eliciting the competing platelet pathways of P2Y12 and cAMP using ADP and PGE1, respectively, ADP had no effect on P-VASP levels following clopidogrel treatment (p = 0.94). Clopidogrel also significantly decreased PRI from 28.84 ± 28.52% to 1.69 ± 12.39% (p = 0.0078). PRI on day 8 correlated moderately with the degree of slope inhibition on LTA (r = −0.4, p = 0.4). Flow cytometry analysis of P-VASP is effective at monitoring the inhibitory effects of clopidogrel on feline platelets.
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Affiliation(s)
- Ronald H L Li
- Department of Veterinary Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - Nghi Nguyen
- Department of Veterinary Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - Tommaso Rosati
- William R. Pritchard Veterinary Medical Teaching Hospital, University of California, Davis, Davis, CA, United States
| | - Karl Jandrey
- Department of Veterinary Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
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