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Tiedemann K, Tsao S, Komarova SV. Platelets and osteoblasts: secretome connections. Am J Physiol Cell Physiol 2022; 323:C347-C353. [PMID: 35675640 DOI: 10.1152/ajpcell.00187.2022] [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: 11/22/2022]
Abstract
Megakaryocyte hyperplasia associated with myeloproliferative neoplasms commonly leads to abnormal bone tissue deposition in the bone marrow, known as osteosclerosis. In this study, we aimed to synthesize the known proteomics literature describing factors released by megakaryocytes and platelets and to examine if any of the secreted factors have a known ability to stimulate the bone-forming cells, osteoblasts. Using a systematic search of Medline, we identified 77 articles reporting on factors secreted by platelets and megakaryocytes. After a full-text screening and analysis of the studies, we selected seven papers that reported proteomics data for factors secreted by platelets from healthy individuals. From 60 proteins reported in at least two studies, we focused on 23 that contained a putative signal peptide, which we searched for a potential osteoblast-stimulatory function. From nine proteins with a positive effect on osteoblast formation and function, two extracellular matrix (ECM) proteins, secreted protein acidic and rich in cysteine (SPARC) and tissue inhibitor of metalloproteinase-1 (TIMP1), and three cellular proteins with known extracellular function, the 70-kDa heat shock protein (HSP70), thymosin-β4 (TB4), and super dismutase (SOD), were identified as hypothetical candidate molecules to be examined as potential mediators in mouse models of osteomyelofibrosis. Thus, careful analysis of prior literature can be beneficial in assisting the planning of future experimental studies.
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Affiliation(s)
- Kerstin Tiedemann
- Faculty of Dental Medicine and Oral Health Sciences, Shriners Hospital for Children-Canada, Montreal, Quebec, Canada
| | - Serena Tsao
- Faculty of Dental Medicine and Oral Health Sciences, Shriners Hospital for Children-Canada, Montreal, Quebec, Canada
| | - Svetlana V Komarova
- Faculty of Dental Medicine and Oral Health Sciences, Shriners Hospital for Children-Canada, Montreal, Quebec, Canada
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Liu W, Fu X, Liu YF, Su T, Peng J. Vorapaxar-modified polysulfone membrane with high hemocompatibility inhibits thrombosis. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 118:111508. [PMID: 33255066 DOI: 10.1016/j.msec.2020.111508] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 07/30/2020] [Accepted: 09/09/2020] [Indexed: 12/19/2022]
Abstract
Hemodialysis therapy is intended for patients suffering from renal insufficiency, pancreatitis, and other serious diseases. Platelets are an important active ingredient in the thrombosis induced by hemodialysis membranes. So far, there are few studies of hemodialysis membranes focusing on the effects of protease-activated receptor 1 (PAR1) activation on the platelet membrane. Among various antithrombotic agents, vorapaxar is a novel PAR1 inhibitor with high efficacy. In this study, we constructed a vorapaxar-modified polysulfone (VMPSf) membrane using immersion-precipitation phase transformation methods and characterized the microstructure in terms of hydrophilicity and mechanical properties. The water contact angle of the VMPSf membrane was 22.45% lower than that of the PSf membrane. A focused determination of platelet morphology was obtained using scanning electron microscopy. Meanwhile, we evaluated the effects of a VMPSf membrane on platelet adhesion. We observed that the VMPSf membrane could reduce the number of adhered platelets without altering their spherical or elliptical shape. The PAR1 levels in VMPSf membranes were 7.4 MFI lower than those in PSf membranes, suggesting that this modified membrane can effectively inhibit platelet activation. Activated partial thromboplastin time (APTT, 5.3 s extension) and thrombin time (TT, 2.1 s extension) reflect good anticoagulant properties. Recalcification time (80.6 s extension) and fibrinogen adsorption (9.9 μg/cm2 reduction) were related to antithrombotic properties. To determine the biosafety of VMPSf membranes, we investigated antianaphylactic and anti-inflammatory properties in vitro and acute toxicity in vivo, it was obvious that C3a and C5a had decreased to 9.6 and 0.8 ng/mL, respectively. The results indicated that the VMPSf membrane has potential for clinical application.
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Affiliation(s)
- Wei Liu
- Department of Hematology, Xiangya Hemophilia Diagnosis and Treatment Center, Xiangya Hospital, Central South University, China
| | - Xiao Fu
- Department of Hematology, Xiangya Hemophilia Diagnosis and Treatment Center, Xiangya Hospital, Central South University, China.
| | - Yan-Feng Liu
- Department of Hematology, Xiangya Hemophilia Diagnosis and Treatment Center, Xiangya Hospital, Central South University, China
| | - Tao Su
- Department of Hematology, Xiangya Hemophilia Diagnosis and Treatment Center, Xiangya Hospital, Central South University, China
| | - Jie Peng
- Department of Hematology, Xiangya Hemophilia Diagnosis and Treatment Center, Xiangya Hospital, Central South University, China
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Cognasse F, Garraud O. Cytokines and related molecules, and adverse reactions related to platelet concentrate transfusions. Transfus Clin Biol 2019; 26:144-146. [PMID: 31327557 DOI: 10.1016/j.tracli.2019.06.324] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 06/28/2019] [Indexed: 11/25/2022]
Abstract
Platelet transfusion is a safe process, but during or after the process the recipient may experience an adverse reaction and occasionally a serious adverse reaction (SAR). Platelet concentrate transfusion may be liable for significant absence of beneficial response. Danger may manifest clinically or biologically; in the latter case, manifestations are frequently an absence of the expected response to the blood component by the recipient. Blood platelets exert roles in inflammation, especially through the immunomodulator complex CD40/CD40L (sCD40L). In this review, we concentrate on the inflammatory potential of platelets and their participation to SARs in transfusion.
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Affiliation(s)
- F Cognasse
- The Rhône-Alpes-Auvergne Regional Branch of the French National Blood System EFS, 42000 Saint-Étienne, France.
| | - O Garraud
- EA3064, Faculty of Medicine, University of Lyon, 42023 Saint-Étienne, France; Palliative Care Unit, the Ruffec Hospital, 16700 Ruffec, France; Institut National de la Transfusion Sanguine, 75015 Paris, France
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Luyendyk JP, Schoenecker JG, Flick MJ. The multifaceted role of fibrinogen in tissue injury and inflammation. Blood 2019; 133:511-520. [PMID: 30523120 PMCID: PMC6367649 DOI: 10.1182/blood-2018-07-818211] [Citation(s) in RCA: 258] [Impact Index Per Article: 51.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 11/26/2018] [Indexed: 02/08/2023] Open
Abstract
The canonical role of the hemostatic and fibrinolytic systems is to maintain vascular integrity. Perturbations in either system can prompt primary pathological end points of hemorrhage or thrombosis with vessel occlusion. However, fibrin(ogen) and proteases controlling its deposition and clearance, including (pro)thrombin and plasmin(ogen), have powerful roles in driving acute and reparative inflammatory pathways that affect the spectrum of tissue injury, remodeling, and repair. Indeed, fibrin(ogen) deposits are a near-universal feature of tissue injury, regardless of the nature of the inciting event, including injuries driven by mechanical insult, infection, or immunological derangements. Fibrin can modify multiple aspects of inflammatory cell function by engaging leukocytes through a variety of cellular receptors and mechanisms. Studies on the role of coagulation system activation and fibrin(ogen) deposition in models of inflammatory disease and tissue injury have revealed points of commonality, as well as context-dependent contributions of coagulation and fibrinolytic factors. However, there remains a critical need to define the precise temporal and spatial mechanisms by which fibrinogen-directed inflammatory events may dictate the severity of tissue injury and coordinate the remodeling and repair events essential to restore normal organ function. Current research trends suggest that future studies will give way to the identification of novel hemostatic factor-targeted therapies for a range of tissue injuries and disease.
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Affiliation(s)
- James P Luyendyk
- Department of Pathobiology and Diagnostic Investigation
- Department of Pharmacology and Toxicology, and
- Institute for Integrative Toxicology, Michigan State University, East Lansing, MI
| | - Jonathan G Schoenecker
- Department of Orthopaedics
- Department of Pharmacology
- Department of Pediatrics, and
- Department of Pathology, Vanderbilt University Medical Center, Nashville, TN; and
| | - Matthew J Flick
- Division of Experimental Hematology and Cancer Biology, Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
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Yadav S, Storrie B. The cellular basis of platelet secretion: Emerging structure/function relationships. Platelets 2017; 28:108-118. [PMID: 28010140 PMCID: PMC5627609 DOI: 10.1080/09537104.2016.1257786] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Revised: 10/12/2016] [Accepted: 10/27/2016] [Indexed: 12/27/2022]
Abstract
Platelet activation has long been known to be accompanied by secretion from at least three types of compartments. These include dense granules, the major source of small molecules; α-granules, the major protein storage organelle; and lysosomes, the site of acid hydrolase storage. Despite ~60 years of research, there are still many unanswered questions about the cell biology of platelet secretion: for example, how are these secretory organelles organized to support cargo release and what are the key routes of cargo release, granule to plasma membrane or granule to canalicular system. Moreover, in recent years, increasing evidence points to the platelet being organized for secretion of the contents from other organelles, namely the dense tubular system (endoplasmic reticulum) and the Golgi apparatus. Conceivably, protein secretion is a widespread property of the platelet and its organelles. In this review, we concentrate on the cell biology of the α-granule and its structure/function relationships. We both review the literature and discuss the wide array of 3-dimensional, high-resolution structural approaches that have emerged in the last few years. These have begun to reveal new and unanticipated outcomes and some of these are discussed. We are hopeful that the next several years will bring rapid advances to this field that will resolve past controversies and be clinically relevant.
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Affiliation(s)
- Shilpi Yadav
- a Department of Physiology and Biophysics , University of Arkansas for Medical Sciences , Little Rock , AR , USA
| | - Brian Storrie
- a Department of Physiology and Biophysics , University of Arkansas for Medical Sciences , Little Rock , AR , USA
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Nandi S, Brown AC. Platelet-mimetic strategies for modulating the wound environment and inflammatory responses. Exp Biol Med (Maywood) 2016; 241:1138-48. [PMID: 27190260 PMCID: PMC4950360 DOI: 10.1177/1535370216647126] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Platelets closely interface with the immune system to fight pathogens, target wound sites, and regulate tissue repair. Natural platelet levels within the body can be depleted for a variety of reasons, including excessive bleeding following traumatic injury, or diseases such as cancer and bacterial or viral infections. Platelet transfusions are commonly used to improve platelet count and hemostatic function in these cases, but transfusions can be complicated by the contamination risks and short storage life of donated platelets. Lyophilized platelets that can be freeze-dried and stored for longer periods of time and synthetic platelet-mimetic technologies that can enhance or replace the functions of natural platelets, while minimizing adverse immune responses have been explored as alternatives to transfusion. Synthetic platelets typically comprise nanoparticles surface-decorated with peptides or ligands to recreate specific biological characteristics of platelets, including targeting of wound and disease sites and facilitating platelet aggregation. Recent efforts in synthetic platelet design have additionally focused on matching platelet shape and mechanics to recreate the marginalization and clot contraction capabilities of natural platelets. The ability to specifically tune the properties of synthetic platelet-mimetic materials has shown utility in a variety of applications including hemostasis, drug delivery, and targeted delivery of cancer therapeutics.
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Affiliation(s)
- Seema Nandi
- Joint Department of Biomedical Engineering, North Carolina State University and University of North Carolina at Chapel-Hill, Raleigh, NC 27606, USA
| | - Ashley C Brown
- Joint Department of Biomedical Engineering, North Carolina State University and University of North Carolina at Chapel-Hill, Raleigh, NC 27606, USA
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