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Jiang H, Nechipurenko DY, Panteleev MA, Xu K, Qiao J. Redox regulation of platelet function and thrombosis. J Thromb Haemost 2024; 22:1550-1557. [PMID: 38460839 DOI: 10.1016/j.jtha.2024.02.018] [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: 01/16/2024] [Revised: 02/15/2024] [Accepted: 02/24/2024] [Indexed: 03/11/2024]
Abstract
Platelets are well-known players in several cardiovascular diseases such as atherosclerosis and venous thrombosis. There is increasing evidence demonstrating that reactive oxygen species (ROS) are generated within activated platelets. Nicotinamide adenine dinucleotide phosphate oxidase (NOX) is a major source of ROS generation in platelets. Ligand binding to platelet receptor glycoprotein (GP) VI stimulates intracellular ROS generation consisting of a spleen tyrosine kinase-independent production involving NOX activation and a following spleen tyrosine kinase-dependent generation. In addition to GPVI, stimulation of platelet thrombin receptors (protease-activated receptors [PARs]) can also trigger NOX-derived ROS production. Our recent study found that mitochondria-derived ROS production can be induced by engagement of thrombin receptors but not by GPVI, indicating that mitochondria are another source of PAR-dependent ROS generation apart from NOX. However, mitochondria are not involved in GPVI-dependent ROS generation. Once generated, the intracellular ROS are also involved in modulating platelet function and thrombus formation; therefore, the site-specific targeting of ROS production or clearance of excess ROS within platelets is a potential intervention and treatment option for thrombotic events. In this review, we will summarize the signaling pathways involving regulation of platelet ROS production and their role in platelet function and thrombosis, with a focus on GPVI- and PAR-dependent platelet responses.
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Affiliation(s)
- Huimin Jiang
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China; Department of Hematology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, China; Key Laboratory of Bone Marrow Stem Cell, Jiangsu Province, Xuzhou, China
| | - Dmitry Yu Nechipurenko
- Faculty of Physics, Lomonosov Moscow State University, Moscow, Russia; Center for Theoretical Problems of Physico-Chemical Pharmacology, Russian Academy of Science, Moscow, Russia; Dmitry Rogachev National Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Mikhail A Panteleev
- Faculty of Physics, Lomonosov Moscow State University, Moscow, Russia; Center for Theoretical Problems of Physico-Chemical Pharmacology, Russian Academy of Science, Moscow, Russia; Dmitry Rogachev National Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Kailin Xu
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China; Department of Hematology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, China; Key Laboratory of Bone Marrow Stem Cell, Jiangsu Province, Xuzhou, China
| | - Jianlin Qiao
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China; Department of Hematology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, China; Key Laboratory of Bone Marrow Stem Cell, Jiangsu Province, Xuzhou, China.
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2
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Saad MI, Jenkins BJ. The protease ADAM17 at the crossroads of disease: revisiting its significance in inflammation, cancer, and beyond. FEBS J 2024; 291:10-24. [PMID: 37540030 DOI: 10.1111/febs.16923] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/04/2023] [Accepted: 08/02/2023] [Indexed: 08/05/2023]
Abstract
The protease A Disintegrin And Metalloproteinase 17 (ADAM17) plays a central role in the pathophysiology of several diseases. ADAM17 is involved in the cleavage and shedding of at least 80 known membrane-tethered proteins, which subsequently modulate several intracellular signaling pathways, and therefore alter cell behavior. Dysregulated expression and/or activation of ADAM17 has been linked to a wide range of autoimmune and inflammatory diseases, cancer, and cardiovascular disease. In this review, we provide an overview of the current state of knowledge from preclinical models and clinical data on the diverse pathophysiological roles of ADAM17, and discuss the mechanisms underlying ADAM17-mediated protein shedding and the potential therapeutic implications of targeting ADAM17 in these diseases.
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Affiliation(s)
- Mohamed I Saad
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, Vic., Australia
- Department of Molecular and Translational Sciences, Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton, Vic., Australia
| | - Brendan J Jenkins
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, Vic., Australia
- Department of Molecular and Translational Sciences, Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton, Vic., Australia
- South Australian immunoGENomics Cancer Institute (SAiGENCI), University of Adelaide, SA, Australia
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3
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Hou J, Xiong W, Shao X, Long L, Chang Y, Chen G, Wang L, Wang Z, Huang Y. Liposomal Resveratrol Alleviates Platelet Storage Lesion via Antioxidation and the Physical Buffering Effect. ACS APPLIED MATERIALS & INTERFACES 2023; 15:45658-45667. [PMID: 37729093 DOI: 10.1021/acsami.3c09935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/22/2023]
Abstract
Platelet transfusion is essential in the treatment of platelet-related diseases and the prevention of bleeding in patients with surgical procedures. Platelet transfusion efficacy and shelf life are limited mainly by the development of platelet storage lesion (PSL). Mitigating PSL is the key to prolonging the platelet shelf life and reducing wastage. Excess intracellular reactive oxygen species (ROS) are one of the main factors causing PSL. In this study, we explored a nanomedicine strategy to improve the quality and functions of platelets in storage. Resveratrol (Res), a natural plant product, is known for its antioxidative effect. However, medical applications of Res are limited due to its low water solubility and stability. Therefore, we used a resveratrol-loaded liposomal system (Res-Lipo) to better utilize the antioxidant effect of the drug. This study aimed to evaluate the effect of Res-Lipo on platelet oxidative stress and alleviation of PSL during the storage time. Res-Lipo scavenged intracellular ROS and inhibited platelet apoptosis and activation during storage. Res-Lipo not only maintained mitochondrial function but also improved platelet aggregation in response to adenosine 5'-diphosphate. These results revealed that Res-Lipo ameliorated PSL and prolonged the platelet survival time in vivo. The strategy provides a potential method for extending the platelet storage time and might be considered a potential and safe additive to alleviate PSL.
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Affiliation(s)
- Jiazhen Hou
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023, China
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Wei Xiong
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528437, China
- Artemisinin Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510450, China
| | - Xinyue Shao
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Li Long
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- Artemisinin Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510450, China
| | - Ya Chang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Guihua Chen
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- Artemisinin Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510450, China
| | - Li Wang
- Department of Transfusion Medicine, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China
- Center for Clinical Molecular Medical Detection, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Zhicheng Wang
- Department of Transfusion Medicine, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China
| | - Yongzhuo Huang
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023, China
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528437, China
- NMPA Key Laboratory for Quality Research and Evaluation of Pharmaceutical Excipients, Shanghai 201203, China
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Yun HD, Goel Y, Gupta K. Crosstalk of Mast Cells and Natural Killer Cells with Neurons in Chemotherapy-Induced Peripheral Neuropathy. Int J Mol Sci 2023; 24:12543. [PMID: 37628724 PMCID: PMC10454469 DOI: 10.3390/ijms241612543] [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: 07/11/2023] [Revised: 08/04/2023] [Accepted: 08/05/2023] [Indexed: 08/27/2023] Open
Abstract
Chemotherapy-induced peripheral neuropathy (CIPN) is a major comorbidity of cancer. Multiple clinical interventions have been studied to effectively treat CIPN, but the results have been disappointing, with no or little efficacy. Hence, understanding the pathophysiology of CIPN is critical to improving the quality of life and clinical outcomes of cancer patients. Although various mechanisms of CIPN have been described in neuropathic anti-cancer agents, the neuroinflammatory process involving cytotoxic/proinflammatory immune cells remains underexamined. While mast cells (MCs) and natural killer (NK) cells are the key innate immune compartments implicated in the pathogenesis of peripheral neuropathy, their role in CIPN has remained under-appreciated. Moreover, the biology of proinflammatory cytokines associated with MCs and NK cells in CIPN is particularly under-evaluated. In this review, we will focus on the interactions between MCs, NK cells, and neuronal structure and their communications via proinflammatory cytokines, including TNFα, IL-1β, and IL-6, in peripheral neuropathy in association with tumor immunology. This review will help lay the foundation to investigate MCs, NK cells, and cytokines to advance future therapeutic strategies for CIPN.
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Affiliation(s)
- Hyun Don Yun
- Hematology, Oncology, Veterans Affairs Long Beach Healthcare System, Long Beach, CA 90822, USA
- Division of Hematology, Oncology, Department of Medicine, School of Medicine, University of California, Irvine, CA 92617, USA; (Y.G.); (K.G.)
| | - Yugal Goel
- Division of Hematology, Oncology, Department of Medicine, School of Medicine, University of California, Irvine, CA 92617, USA; (Y.G.); (K.G.)
| | - Kalpna Gupta
- Division of Hematology, Oncology, Department of Medicine, School of Medicine, University of California, Irvine, CA 92617, USA; (Y.G.); (K.G.)
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Yuan H, Liu Y, Zhang J, Dong JF, Zhao Z. Transcription factors in megakaryocytes and platelets. Front Immunol 2023; 14:1140501. [PMID: 36969155 PMCID: PMC10034027 DOI: 10.3389/fimmu.2023.1140501] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 03/01/2023] [Indexed: 03/11/2023] Open
Abstract
Transcription factors bind promoter or regulatory sequences of a gene to regulate its rate of transcription. However, they are also detected in anucleated platelets. The transcription factors RUNX1, GATA1, STAT3, NFκB, and PPAR have been widely reported to play key roles in the pathophysiology of platelet hyper-reactivity, thrombosis, and atherosclerosis. These non-transcriptional activities are independent of gene transcription or protein synthesis but their underlying mechanisms of action remain poorly defined. Genetic and acquired defects in these transcription factors are associated with the production of platelet microvesicles that are known to initiate and propagate coagulation and to promote thrombosis. In this review, we summarize recent developments in the study of transcription factors in platelet generation, reactivity, and production of microvesicles, with a focus on non-transcriptional activities of selected transcription factors.
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Affiliation(s)
- Hengjie Yuan
- Tianjin Institute of Neurology, Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
- BloodWorks Research Institute, Seattle, WA, United States
| | - Yafan Liu
- Tianjin Institute of Neurology, Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Jianning Zhang
- Tianjin Institute of Neurology, Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Jing-fei Dong
- BloodWorks Research Institute, Seattle, WA, United States
- Division of Hematology, Department of Medicine, University of Washington, School of Medicine, Seattle, WA, United States
- *Correspondence: Zilong Zhao, ; Jing-fei Dong,
| | - Zilong Zhao
- Tianjin Institute of Neurology, Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
- BloodWorks Research Institute, Seattle, WA, United States
- *Correspondence: Zilong Zhao, ; Jing-fei Dong,
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Nejat R, Torshizi MF, Najafi DJ. S Protein, ACE2 and Host Cell Proteases in SARS-CoV-2 Cell Entry and Infectivity; Is Soluble ACE2 a Two Blade Sword? A Narrative Review. Vaccines (Basel) 2023; 11:vaccines11020204. [PMID: 36851081 PMCID: PMC9968219 DOI: 10.3390/vaccines11020204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/07/2023] [Accepted: 01/12/2023] [Indexed: 01/19/2023] Open
Abstract
Since the spread of the deadly virus SARS-CoV-2 in late 2019, researchers have restlessly sought to unravel how the virus enters the host cells. Some proteins on each side of the interaction between the virus and the host cells are involved as the major contributors to this process: (1) the nano-machine spike protein on behalf of the virus, (2) angiotensin converting enzyme II, the mono-carboxypeptidase and the key component of renin angiotensin system on behalf of the host cell, (3) some host proteases and proteins exploited by SARS-CoV-2. In this review, the complex process of SARS-CoV-2 entrance into the host cells with the contribution of the involved host proteins as well as the sequential conformational changes in the spike protein tending to increase the probability of complexification of the latter with angiotensin converting enzyme II, the receptor of the virus on the host cells, are discussed. Moreover, the release of the catalytic ectodomain of angiotensin converting enzyme II as its soluble form in the extracellular space and its positive or negative impact on the infectivity of the virus are considered.
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Affiliation(s)
- Reza Nejat
- Department of Anesthesiology and Critical Care Medicine, Laleh Hospital, Tehran 1467684595, Iran
- Correspondence:
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da Silva MC, dos Santos VM, da Silva MVB, Prazeres TCMM, Cartágenes MDSS, Calzerra NTM, de Queiroz TM. Involvement of shedding induced by ADAM17 on the nitric oxide pathway in hypertension. Front Mol Biosci 2022; 9:1032177. [PMID: 36310604 PMCID: PMC9614329 DOI: 10.3389/fmolb.2022.1032177] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 10/04/2022] [Indexed: 11/15/2022] Open
Abstract
A Disintegrin and Metalloprotease 17 (ADAM17), also called tumor necrosis factor-ɑ (TNF-ɑ) convertase (TACE), is a well-known protease involved in the sheddase of growth factors, chemokines and cytokines. ADAM17 is also enrolled in hypertension, especially by shedding of angiotensin converting enzyme type 2 (ACE2) leading to impairment of angiotensin 1–7 [Ang-(1–7)] production and injury in vasodilation, induction of renal damage and cardiac hypertrophy. Activation of Mas receptor (MasR) by binding of Ang-(1–7) induces an increase in the nitric oxide (NO) gaseous molecule, which is an essential factor of vascular homeostasis and blood pressure control. On the other hand, TNF-ɑ has demonstrated to stimulate a decrease in nitric oxide bioavailability, triggering a disrupt in endothelium-dependent vasorelaxation. In spite of the previous studies, little knowledge is available about the involvement of the metalloprotease 17 and the NO pathways. Here we will provide an overview of the role of ADAM17 and Its mechanisms implicated with the NO formation.
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Affiliation(s)
- Mirelly Cunha da Silva
- Laboratory of Nutrition, Physical Activity and Phenotypic Plasticity, Federal University of Pernambuco, Vitória de Santo Antão, Brazil
| | - Vanessa Maria dos Santos
- Laboratory of Nutrition, Physical Activity and Phenotypic Plasticity, Federal University of Pernambuco, Vitória de Santo Antão, Brazil
| | - Matheus Vinícius B. da Silva
- Laboratory of Nutrition, Physical Activity and Phenotypic Plasticity, Federal University of Pernambuco, Vitória de Santo Antão, Brazil
| | | | | | | | - Thyago Moreira de Queiroz
- Laboratory of Nutrition, Physical Activity and Phenotypic Plasticity, Federal University of Pernambuco, Vitória de Santo Antão, Brazil
- *Correspondence: Thyago Moreira de Queiroz,
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Jang J, Cho EH, Cho Y, Ganzorig B, Kim KY, Kim MG, Kim C. Environment-Sensitive Ectodomain Shedding of Epithin/PRSS14 Increases Metastatic Potential of Breast Cancer Cells by Producing CCL2. Mol Cells 2022; 45:564-574. [PMID: 35950457 PMCID: PMC9385564 DOI: 10.14348/molcells.2022.2004] [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: 09/29/2021] [Revised: 12/20/2021] [Accepted: 01/28/2022] [Indexed: 11/27/2022] Open
Abstract
Epithin/PRSS14 is a membrane serine protease that plays a key role in tumor progression. The protease exists on the cell surface until its ectodomain shedding, which releases most of the extracellular domain. Previously, we showed that the remaining portion on the membrane undergoes intramembrane proteolysis, which results in the liberation of the intracellular domain and the intracellular domainmediated gene expression. In this study, we investigated how the intramembrane proteolysis for the nuclear function is initiated. We observed that ectodomain shedding of epithin/PRSS14 in mouse breast cancer 4T1 cells increased depending on environmental conditions and was positively correlated with invasiveness of the cells and their proinvasive cytokine production. We identified selenite as an environmental factor that can induce ectodomain shedding of the protease and increase C-C motif chemokine ligand 2 (CCL2) secretion in an epithin/PRSS14-dependent manner. Additionally, by demonstrating that the expression of the intracellular domain of epithin/PRSS14 is sufficient to induce CCL2 secretion, we established that epithin/PRSS14- dependent shedding and its subsequent intramembrane proteolysis are responsible for the metastatic conversion of 4T1 cells under these conditions. Consequently, we propose that epithin/PRSS14 can act as an environment-sensing receptor that promotes cancer metastasis by liberating the intracellular domain bearing transcriptional activity under conditions promoting ectodomain shedding.
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Affiliation(s)
- Jiyoung Jang
- Department of Life Sciences, Korea University, Seoul 02841, Korea
| | - Eun Hye Cho
- Department of Biological Sciences, Inha University, Incheon 22212, Korea
| | - Youngkyung Cho
- Department of Life Sciences, Korea University, Seoul 02841, Korea
- Department of Biological Sciences, Inha University, Incheon 22212, Korea
| | - Binderya Ganzorig
- Department of Biological Sciences, Inha University, Incheon 22212, Korea
| | - Ki Yeon Kim
- Department of Biological Sciences, Inha University, Incheon 22212, Korea
| | - Moon Gyo Kim
- Department of Biological Sciences, Inha University, Incheon 22212, Korea
| | - Chungho Kim
- Department of Life Sciences, Korea University, Seoul 02841, Korea
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Autophagy Ameliorates Reactive Oxygen Species-Induced Platelet Storage Lesions. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:1898844. [PMID: 36046681 PMCID: PMC9423982 DOI: 10.1155/2022/1898844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 02/23/2022] [Accepted: 03/19/2022] [Indexed: 01/18/2023]
Abstract
Platelet transfusion is a life-saving therapy to prevent bleeding; however, the availability of platelets for transfusion is limited by the markedly short shelf life owing to the development of platelet storage lesions (PSLs). The mechanism of PSLs remains obscure. Dissection of the intracellular biological changes in stored platelets may help to reduce PSLs and improve platelet transfusion efficiency. In the present study, we explore the changes of stored platelets at room temperature under constant agitation. We found that platelets during storage showed an increased reactive oxygen species (ROS) generation accompanied with receptor shedding, apoptosis, and diminished platelet aggregation. ROS scavenger reduced platelet shedding but also impaired platelet aggregation. Autophagy is a conserved catabolic process that sequesters protein aggregates and damaged organelles into lysosomes for degradation and platelets’ own intact autophagic system. We revealed that there exist a stable autophagic flux in platelets at the early stage of storage, and the autophagic flux in platelets perished after long-term storage. Treatment stored platelets with rapamycin, which stimulates autophagy in eukaryotic cells, markedly ameliorated PSLs, and improved platelet aggregation in response to extracellular stimuli.
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Vitamin D3 Prevents the Deleterious Effects of Testicular Torsion on Testis by Targeting miRNA-145 and ADAM17: In Silico and In Vivo Study. Pharmaceuticals (Basel) 2021; 14:ph14121222. [PMID: 34959623 PMCID: PMC8703569 DOI: 10.3390/ph14121222] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 11/21/2021] [Accepted: 11/22/2021] [Indexed: 11/21/2022] Open
Abstract
Testicular torsion (TT) is the most common urological emergency in children and young adults that can lead to infertility in many cases. The ischemia-reperfusion (IR) injury due to TT has been implicated in the pathogenesis of testicular damage. The main pathological mechanisms of contralateral injury after ipsilateral TT are not fully understood. In the presented study, we investigated the molecular and microscopic basis of ipsilateral and contralateral testicular injury following ipsilateral testicular torsion detorsion (T/D) and explored the possible protective role of vitamin D3. The biochemical analysis indicated that IR injury following T/D significantly decreased the activity of testicular glutathione peroxidase (GPx) enzyme, level of serum testosterone, serum inhibin B, and expression of testicular miRNA145, while increased the activity of testicular myeloperoxidase (MPO) enzyme, level of testicular malondialdehyde (MDA), level of serum antisperm-antibody (AsAb), and expression of ADAM-17. The histological and semen analysis revealed that torsion of the testis caused damages on different tissues in testis. Interestingly, administration of vitamin D3 prior to the IR injury reversed the deterioration effect of IR injury on the testicular tissues as indicated by biochemical and histological analysis which revealed normal appearance of the seminiferous tubules with an apparent decrease in collagen fiber deposition in both ipsilateral and contralateral testes. Our results revealed that the protective effect of vitamin D3 treatment could be attributed to target miRNA145 and ADAM17 protein. To further investigate these findings, we performed a detailed molecular modelling study in order to explore the binding affinity of vitamin D3 toward ADAM17 protein. Our results revealed that vitamin D3 has the ability to bind to the active site of ADAM17 protein via a set of hydrophobic and hydrophilic interactions with high docking score. In conclusion, this study highlights the protective pharmacological application of vitamin D3 to ameliorate the damages of testicular T/D on the testicular tissues via targeting miRNA145 and ADAM17 protein.
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Mahdi A, Cortese-Krott MM, Kelm M, Li N, Pernow J. Novel perspectives on redox signaling in red blood cells and platelets in cardiovascular disease. Free Radic Biol Med 2021; 168:95-109. [PMID: 33789125 DOI: 10.1016/j.freeradbiomed.2021.03.020] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 03/01/2021] [Accepted: 03/07/2021] [Indexed: 12/13/2022]
Abstract
The fundamental physiology of circulating red blood cells (RBCs) and platelets involving regulation of oxygen transport and hemostasis, respectively, are well-described in the literature. Their abundance in the circulation and their interaction with the vascular wall and each other have attracted the attention of other putative physiological and pathophysiological effects of these cells. RBCs and platelets are both important regulators of redox balance harboring powerful pro-oxidant and anti-oxidant (enzymatic and non-enzymatic) capacities. They are also involved in the regulation of vascular tone mainly via export of nitric oxide bioactivity and adenosine triphosphate. Of further importance are emerging observations that these cells undergo functional alterations when exposed to risk factors for cardiovascular disease and during developed cardiometabolic diseases. Under these conditions, the RBCs and platelets contribute to increased oxidative stress by their formation of reactive species including superoxide anion radical, hydrogen peroxide and peroxynitrite. These alterations trigger key changes in the vascular wall characterized by enhanced oxidative stress, reduced nitric oxide bioavailability and endothelial dysfunction. Additional pathophysiological effects are triggered in the heart resulting in increased susceptibility to ischemia-reperfusion injury with impairment in cardiac function. Pharmacological interventions aiming at restoring circulating cell function has been shown to exert marked beneficial effects on cardiovascular function. In this review, we summarize the current knowledge of RBC and platelet biology with special focus on redox biology, their roles in the development of cardiovascular disease and potential therapeutic strategies targeting RBC and platelet dysfunction. Finally, the complex and scarcely understood interaction between RBCs and platelets is discussed.
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Affiliation(s)
- Ali Mahdi
- Department of Medicine, Division of Cardiology, Karolinska Institutet, Stockholm, Sweden
| | - Miriam M Cortese-Krott
- Department of Cardiology, Pulmonology and Angiology Medical Faculty, Heinrich Heine University of Düsseldorf, Düsseldorf, Germany; Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Malte Kelm
- Department of Cardiology, Pulmonology and Angiology Medical Faculty, Heinrich Heine University of Düsseldorf, Düsseldorf, Germany
| | - Nailin Li
- Department of Medicine, Division of Cardiovascular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - John Pernow
- Department of Medicine, Division of Cardiology, Karolinska Institutet, Stockholm, Sweden; Department of Cardiology, Heart and Vascular Division, Karolinska University Hospital, Stockholm, Sweden.
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12
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Zhu J, Steinberg SF. β 1-adrenergic receptor N-terminal cleavage by ADAM17; the mechanism for redox-dependent downregulation of cardiomyocyte β 1-adrenergic receptors. J Mol Cell Cardiol 2021; 154:70-79. [PMID: 33556394 DOI: 10.1016/j.yjmcc.2021.01.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 01/09/2021] [Accepted: 01/30/2021] [Indexed: 12/15/2022]
Abstract
β1-adrenergic receptors (β1ARs) are the principle mediators of catecholamine action in cardiomyocytes. We previously showed that the β1AR extracellular N-terminus is a target for post-translational modifications that impact on signaling responses. Specifically, we showed that the β1AR N-terminus carries O-glycan modifications at Ser37/Ser41, that O-glycosylation prevents β1AR N-terminal cleavage, and that N-terminal truncation influences β1AR signaling to downstream effectors. However, the site(s) and mechanism for β1AR N-terminal cleavage in cells was not identified. This study shows that β1ARs are expressed in cardiomyocytes and other cells types as both full-length and N-terminally truncated species and that the truncated β1AR species is formed as a result of an O-glycan regulated N-terminal cleavage by ADAM17 at R31↓L32. We identify Ser41 as the major O-glycosylation site on the β1AR N-terminus and show that an O-glycan modification at Ser41 prevents ADAM17-dependent cleavage of the β1-AR N-terminus at S41↓L42, a second N-terminal cleavage site adjacent to this O-glycan modification (and it attenuates β1-AR N-terminal cleavage at R31↓L32). We previously reported that oxidative stress leads to a decrease in β1AR expression and catecholamine responsiveness in cardiomyocytes. This study shows that redox-inactivation of cardiomyocyte β1ARs is via a mechanism involving N-terminal truncation at R31↓L32 by ADAM17. In keeping with the previous observation that N-terminally truncated β1ARs constitutively activate an AKT pathway that affords protection against doxorubicin-dependent apoptosis, overexpression of a cleavage resistant β1AR mutant exacerbates doxorubicin-dependent apoptosis. These studies identify the β1AR N-terminus as a structural determinant of β1AR responses that can be targeted for therapeutic advantage.
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Affiliation(s)
- Jing Zhu
- Department of Pharmacology, Columbia University, New York, NY 10032, United States of America
| | - Susan F Steinberg
- Department of Pharmacology, Columbia University, New York, NY 10032, United States of America.
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Akasaka-Manya K, Manya H, Nadanaka S, Kitagawa H, Kondo Y, Ishigami A, Endo T. Decreased ADAM17 expression in the lungs of α-Klotho reduced mouse. J Biochem 2021; 167:483-493. [PMID: 31951006 DOI: 10.1093/jb/mvz113] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Accepted: 12/11/2019] [Indexed: 01/26/2023] Open
Abstract
The deficiency of α-Klotho in mice causes phenotypes resembling human age-associated disorders at 3-4 weeks after birth and shows short lifespans of ∼2 months. One of the crucial symptoms is pulmonary emphysema, although α-Klotho is not expressed in the lungs. α-Klotho secreted from the kidneys is probably involved in the pathology of emphysema because kidney-specific knockout mice exhibit emphysematous structural changes. We examined whether any glycan changes in α-Klotho mouse lungs were observed, because α-Klotho is reported to have glycosidase activity. Here, we found the accumulation of heparan sulphate in the microsomal fraction of α-Klotho mouse lungs. Meanwhile, a disintegrin and metalloproteinase 17 (ADAM17) expression was decreased in α-Klotho mice. From these results, it is thought that the increase in heparan sulphate is due to insufficient cleavage of the core protein by ADAM17. Additionally, a reduction in α-Klotho and a decline of ADAM17 were also observed both in normal aged mice and in senescence marker protein-30 (SMP30) knockout mice, a mouse model of premature ageing. Thus, the decrease in ADAM17 is caused by the reduction in α-Klotho. These may be involved in the deterioration of lung function during ageing and may be associated with the pathology of pulmonary emphysema.
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Affiliation(s)
- Keiko Akasaka-Manya
- Molecular Glycobiology, Research Team for Mechanism of Aging, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakaecho, Itabashi-ku, Tokyo 173-0015, Japan
| | - Hiroshi Manya
- Molecular Glycobiology, Research Team for Mechanism of Aging, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakaecho, Itabashi-ku, Tokyo 173-0015, Japan
| | - Satomi Nadanaka
- Laboratory of Biochemistry, Kobe Pharmaceutical University, 4-19-1 Motoyamakita-machi, Higashinada-ku, Kobe 658-8558, Japan
| | - Hiroshi Kitagawa
- Laboratory of Biochemistry, Kobe Pharmaceutical University, 4-19-1 Motoyamakita-machi, Higashinada-ku, Kobe 658-8558, Japan
| | - Yoshitaka Kondo
- Molecular Regulation of Aging, Research Team for Functional Biogerontology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo 173-0015, Japan
| | - Akihito Ishigami
- Molecular Regulation of Aging, Research Team for Functional Biogerontology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo 173-0015, Japan
| | - Tamao Endo
- Molecular Glycobiology, Research Team for Mechanism of Aging, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakaecho, Itabashi-ku, Tokyo 173-0015, Japan
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CX3CR1 Depletion Promotes the Formation of Platelet-Neutrophil Complexes and Aggravates Acute Peritonitis. Shock 2021; 56:287-297. [PMID: 33481549 DOI: 10.1097/shk.0000000000001733] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Peritonitis is a life-threatening condition on intensive care units. Inflammatory cytokines and their receptors drive inflammation, cause the formation of platelet-neutrophil complexes (PNCs) and therefore the migration of polymorphonuclear neutrophils (PMNs) into the inflamed tissue. CX3CL1 and its receptor CX3CR1 are expressed in various cells, and promote inflammation. The shedding of CX3CL1 is mediated by a disintegrin and metalloprotease (ADAM) 17. The role of the CX3CL1-CX3CR1 axis in acute peritonitis remains elusive. METHODS In zymosan-induced peritonitis, we determined the formation of PNCs in the blood and the expression of PNC-related molecules on PNCs. PMN migration into the peritoneal lavage was evaluated in wild-type (WT) and CX3CR1-/- animals by flow cytometry. CX3CL1, ADAM17, and the expression of various inflammatory cytokines were detected. Further, we determined the inflammation-associated activation of the intracellular transcription factor extracellular signal-regulated kinase 1/2 (ERK1/2) by Western blot. RESULTS The PMN accumulation in the peritoneal lavage and the PNC formation in the circulation were significantly raised in CX3CR1-/- compared with WT animals. The expression of PNC-related selectins on PNCs was significantly increased in the blood of CX3CR1-/- animals, as well as cytokine levels. Further, we observed an increased activation of ERK1/2 and elevated ADAM17 expression in CX3CR1-/- during acute inflammation. Selective ERK1/2 inhibition ameliorated inflammation-related increased ADAM17 expression. CONCLUSIONS A CX3CR1 deficiency raised the release of inflammatory cytokines and increased the PNC formation respectively PMN migration via an elevated ERK1/2 activation during acute peritonitis. Further, we observed a link between the ERK1/2 activation and an elevated ADAM17 expression on PNC-related platelets and PMNs during inflammation. Our data thus illustrate a crucial role of CX3CR1 on the formation of PNCs and regulating inflammation in acute peritonitis.
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15
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Wu J, Heemskerk JWM, Baaten CCFMJ. Platelet Membrane Receptor Proteolysis: Implications for Platelet Function. Front Cardiovasc Med 2021; 7:608391. [PMID: 33490118 PMCID: PMC7820117 DOI: 10.3389/fcvm.2020.608391] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Accepted: 11/24/2020] [Indexed: 12/16/2022] Open
Abstract
The activities of adhesion and signaling receptors in platelets are controlled by several mechanisms. An important way of regulation is provided by proteolytic cleavage of several of these receptors, leading to either a gain or a loss of platelet function. The proteases involved are of different origins and types: (i) present as precursor in plasma, (ii) secreted into the plasma by activated platelets or other blood cells, or (iii) intracellularly activated and cleaving cytosolic receptor domains. We provide a comprehensive overview of the proteases acting on the platelet membrane. We describe how these are activated, which are their target proteins, and how their proteolytic activity modulates platelet functions. The review focuses on coagulation-related proteases, plasmin, matrix metalloproteinases, ADAM(TS) isoforms, cathepsins, caspases, and calpains. We also describe how the proteolytic activities are determined by different platelet populations in a thrombus and conversely how proteolysis contributes to the formation of such populations.
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Affiliation(s)
- Jiayu Wu
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, Netherlands
| | - Johan W. M. Heemskerk
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, Netherlands
| | - Constance C. F. M. J. Baaten
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, Netherlands
- Institute for Molecular Cardiovascular Research (IMCAR), University Hospital Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Aachen, Germany
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16
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Chueh TI, Zheng CM, Hou YC, Lu KC. Novel Evidence of Acute Kidney Injury in COVID-19. J Clin Med 2020; 9:E3547. [PMID: 33153216 PMCID: PMC7692179 DOI: 10.3390/jcm9113547] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 10/29/2020] [Accepted: 11/02/2020] [Indexed: 02/07/2023] Open
Abstract
The coronavirus 2019 (COVID-19) pandemic has caused a huge impact on health and economic issues. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causes cellular damage by entry mediated by the angiotensin-converting enzyme 2 of the host cells and its conjugation with spike proteins of SARS-CoV-2. Beyond airway infection and acute respiratory distress syndrome, acute kidney injury is common in SARS-CoV-2-associated infection, and acute kidney injury (AKI) is predictive to multiorgan dysfunction in SARS-CoV-2 infection. Beyond the cytokine storm and hemodynamic instability, SARS-CoV-2 might directly induce kidney injury and cause histopathologic characteristics, including acute tubular necrosis, podocytopathy and microangiopathy. The expression of apparatus mediating SARS-CoV-2 entry, including angiotensin-converting enzyme 2, transmembrane protease serine 2 (TMPRSS2) and a disintegrin and metalloprotease 17 (ADAM17), within the renal tubular cells is highly associated with acute kidney injury mediated by SARS-CoV-2. Both entry from the luminal and basolateral sides of the renal tubular cells are the possible routes for COVID-19, and the microthrombi associated with severe sepsis and the dysregulated renin-angiotensin-aldosterone system worsen further renal injury in SARS-CoV-2-associated AKI. In the podocytes of the glomerulus, injured podocyte expressed CD147, which mediated the entry of SARS-CoV-2 and worsen further foot process effacement, which would worsen proteinuria, and the chronic hazard induced by SARS-CoV-2-mediated kidney injury is still unknown. Therefore, the aim of the review is to summarize current evidence on SARS-CoV-2-associated AKI and the possible pathogenesis directly by SARS-CoV-2.
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Affiliation(s)
- Ti-I Chueh
- Department of Medical Laboratory, Cardinal-Tien Hospital, New Taipei City 231, Taiwan;
- Department of Education, Cardinal Tien Junior College of Healthcare and Management, New Taipei City 231, Taiwan
| | - Cai-Mei Zheng
- Research Center of Urology and Kidney, Taipei Medical University, Taipei 110, Taiwan;
- Division of Nephrology, Department of Internal Medicine, Taipei Medical University, Shuang Ho Hospital, Ministry of New Taipei City 235, Taiwan
- Division of Nephrology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan
| | - Yi-Chou Hou
- Division of Nephrology, Department of Medicine, Cardinal-Tien Hospital, New Taipei City 231, Taiwan;
- School of Medicine, Fu Jen Catholic University, New Taipei City 242, Taiwan
| | - Kuo-Cheng Lu
- Division of Nephrology, Department of Medicine, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan
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17
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E Costa RAP, Granato DC, Trino LD, Yokoo S, Carnielli CM, Kawahara R, Domingues RR, Pauletti BA, Neves LX, Santana AG, Paulo JA, Aragão AZB, Heleno Batista FA, Migliorini Figueira AC, Laurindo FRM, Fernandes D, Hansen HP, Squina F, Gygi SP, Paes Leme AF. ADAM17 cytoplasmic domain modulates Thioredoxin-1 conformation and activity. Redox Biol 2020; 37:101735. [PMID: 33011677 PMCID: PMC7513893 DOI: 10.1016/j.redox.2020.101735] [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: 07/14/2020] [Revised: 08/26/2020] [Accepted: 09/17/2020] [Indexed: 12/15/2022] Open
Abstract
The activity of Thioredoxin-1 (Trx-1) is adjusted by the balance of its monomeric, active and its dimeric, inactive state. The regulation of this balance is not completely understood. We have previously shown that the cytoplasmic domain of the transmembrane protein A Disintegrin And Metalloprotease 17 (ADAM17cyto) binds to Thioredoxin-1 (Trx-1) and the destabilization of this interaction favors the dimeric state of Trx-1. Here, we investigate whether ADAM17 plays a role in the conformation and activation of Trx-1. We found that disrupting the interacting interface with Trx-1 by a site-directed mutagenesis in ADAM17 (ADAM17cytoF730A) caused a decrease of Trx-1 reductive capacity and activity. Moreover, we observed that ADAM17 overexpressing cells favor the monomeric state of Trx-1 while knockdown cells do not. As a result, there is a decrease of cell oxidant levels and ADAM17 sheddase activity and an increase in the reduced cysteine-containing peptides in intracellular proteins in ADAM17cyto overexpressing cells. A mechanistic explanation that ADAM17cyto favors the monomeric, active state of Trx-1 is the formation of a disulfide bond between Cys824 at the C-terminal of ADAM17cyto with the Cys73 of Trx-1, which is involved in the dimerization site of Trx-1. In summary, we propose that ADAM17 is able to modulate Trx-1 conformation affecting its activity and intracellular redox state, bringing up a novel possibility for positive regulation of thiol isomerase activity in the cell by mammalian metalloproteinases.
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Affiliation(s)
- Rute A P E Costa
- Laboratório Nacional de Biociências, LNBio, CNPEM, Campinas, São Paulo, Brazil
| | - Daniela C Granato
- Laboratório Nacional de Biociências, LNBio, CNPEM, Campinas, São Paulo, Brazil
| | - Luciana D Trino
- Laboratório Nacional de Biociências, LNBio, CNPEM, Campinas, São Paulo, Brazil
| | - Sami Yokoo
- Laboratório Nacional de Biociências, LNBio, CNPEM, Campinas, São Paulo, Brazil
| | | | - Rebeca Kawahara
- Laboratório Nacional de Biociências, LNBio, CNPEM, Campinas, São Paulo, Brazil
| | - Romênia R Domingues
- Laboratório Nacional de Biociências, LNBio, CNPEM, Campinas, São Paulo, Brazil
| | | | | | - Aline G Santana
- Laboratório Nacional de Biociências, LNBio, CNPEM, Campinas, São Paulo, Brazil
| | - Joao A Paulo
- Department of Cell Biology, Harvard Medical School, Boston, USA
| | - Annelize Z B Aragão
- Laboratório Nacional de Biociências, LNBio, CNPEM, Campinas, São Paulo, Brazil
| | | | | | - Francisco R M Laurindo
- Instituto Do Coração, Faculdade de Medicina, Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - Denise Fernandes
- Instituto Do Coração, Faculdade de Medicina, Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - Hinrich P Hansen
- Department of Internal Medicine I, University Hospital Cologne, CECAD Research Center, Cologne, Germany
| | - Fabio Squina
- Universidade de Sorocaba, Departamento de Processos Tecnológicos e Ambientais, São Paulo, Brazil
| | - Steven P Gygi
- Department of Cell Biology, Harvard Medical School, Boston, USA
| | - Adriana F Paes Leme
- Laboratório Nacional de Biociências, LNBio, CNPEM, Campinas, São Paulo, Brazil.
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18
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Hosseini E, Hojjati S, Afzalniaye Gashti S, Ghasemzadeh M. Collagen-dependent platelet dysfunction and its relevance to either mitochondrial ROS or cytosolic superoxide generation: a question about the quality and functional competence of long-stored platelets. Thromb J 2020; 18:18. [PMID: 32884450 PMCID: PMC7457792 DOI: 10.1186/s12959-020-00233-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Accepted: 08/07/2020] [Indexed: 01/28/2023] Open
Abstract
Background Upon vascular damage, the exposed subendothelial matrix recruits circulating platelets to site of injury while inducing their firm adhesion mainly via GPVI-collagen interaction. GPVI also supports aggregatory and pro-coagulant functions in arterial shear rate even on the matrix other than collagen. Reactive oxygen species (ROS) modulate these stages of thrombosis; however augmented oxidant stress also disturbs platelet functions. Stored-dependent platelet lesion is associated with the increasing levels of ROS. Whether ROS accumulation is also relevant to collagen-dependent platelet dysfunction is the main interest of this study. Methods Fresh PRP-PCs (platelet concentrates) were either stimulated with potent ROS-inducers PMA and CCCP or stored for 5 days. Intra-platelet superoxide (O2 --) or mitochondrial-ROS and GPVI expression were detected by flowcytometery. GPVI shedding, platelet aggregation and spreading/adhesion to collagen were analyzed by western blot, aggregometry and fluorescence-microscopy, respectively. Results Mitochondrial-ROS levels in 5 days-stored PCs were comparable to those induced by mitochondrial uncoupler, CCCP while O2 -- generations were higher than those achieved by PMA. Shedding levels in 5 days-stored PCs were higher than those induced by these potent stimuli. GPVI expressions were reduced comparably in CCCP treated and 5 days-stored PCs. Platelet adhesion was also diminished during storage while demonstrating significant reverse correlation with GPVI shedding. However, only firm adhesion (indicated by platelets spreading or adhesion surface area) was relevant to GPVI expression. Platelet adhesion and aggregation also showed reverse correlations with both O2-- and mitochondrial-ROS formations; nonetheless mitochondrial-ROS was only relevant to firm adhesion. Conclusion As a sensitive indicator of platelet activation, GPVI shedding was correlated with either simple adhesion or spreading to collagen, while GPVI expression was only relevant to platelet spreading. Thereby, if the aim of GPVI evaluation is to examine platelet firm adhesion, expression seems to be a more specific choice. Furthermore, the comparable levels of ROS generation in 5 days-stored PCs and CCCP treated platelets, indicated that these products are significantly affected by oxidative stress. Reverse correlation of accumulating ROS with collagen-dependent platelet dysfunction is also a striking sign of an oxidant-induced lesion that may raise serious question about the post-transfusion quality and competence of longer-stored platelet products.
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Affiliation(s)
- Ehteramolsadat Hosseini
- Blood Transfusion Research Centre, High Institute for Research and Education in Transfusion Medicine, Iranian Blood Transfusion Organization Building, Hemmat Exp Way, Next to the Milad Tower, Tehran, Iran
| | - Saba Hojjati
- Blood Transfusion Research Centre, High Institute for Research and Education in Transfusion Medicine, Iranian Blood Transfusion Organization Building, Hemmat Exp Way, Next to the Milad Tower, Tehran, Iran
| | - Safoora Afzalniaye Gashti
- Blood Transfusion Research Centre, High Institute for Research and Education in Transfusion Medicine, Iranian Blood Transfusion Organization Building, Hemmat Exp Way, Next to the Milad Tower, Tehran, Iran
| | - Mehran Ghasemzadeh
- Blood Transfusion Research Centre, High Institute for Research and Education in Transfusion Medicine, Iranian Blood Transfusion Organization Building, Hemmat Exp Way, Next to the Milad Tower, Tehran, Iran
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19
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ROS in Platelet Biology: Functional Aspects and Methodological Insights. Int J Mol Sci 2020; 21:ijms21144866. [PMID: 32660144 PMCID: PMC7402354 DOI: 10.3390/ijms21144866] [Citation(s) in RCA: 96] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 06/26/2020] [Accepted: 07/07/2020] [Indexed: 12/22/2022] Open
Abstract
Reactive oxygen species (ROS) and mitochondria play a pivotal role in regulating platelet functions. Platelet activation determines a drastic change in redox balance and in platelet metabolism. Indeed, several signaling pathways have been demonstrated to induce ROS production by NAPDH oxidase (NOX) and mitochondria, upon platelet activation. Platelet-derived ROS, in turn, boost further ROS production and consequent platelet activation, adhesion and recruitment in an auto-amplifying loop. This vicious circle results in a platelet procoagulant phenotype and apoptosis, both accounting for the high thrombotic risk in oxidative stress-related diseases. This review sought to elucidate molecular mechanisms underlying ROS production upon platelet activation and the effects of an altered redox balance on platelet function, focusing on the main advances that have been made in platelet redox biology. Furthermore, given the increasing interest in this field, we also describe the up-to-date methods for detecting platelets, ROS and the platelet bioenergetic profile, which have been proposed as potential disease biomarkers.
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20
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Sfera A, Osorio C, Jafri N, Diaz EL, Campo Maldonado JE. Intoxication With Endogenous Angiotensin II: A COVID-19 Hypothesis. Front Immunol 2020; 11:1472. [PMID: 32655579 PMCID: PMC7325923 DOI: 10.3389/fimmu.2020.01472] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 06/05/2020] [Indexed: 12/13/2022] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 has spread rapidly around the globe. However, despite its high pathogenicity and transmissibility, the severity of the associated disease, COVID-19, varies widely. While the prognosis is favorable in most patients, critical illness, manifested by respiratory distress, thromboembolism, shock, and multi-organ failure, has been reported in about 5% of cases. Several studies have associated poor COVID-19 outcomes with the exhaustion of natural killer cells and cytotoxic T cells, lymphopenia, and elevated serum levels of D-dimer. In this article, we propose a common pathophysiological denominator for these negative prognostic markers, endogenous, angiotensin II toxicity. We hypothesize that, like in avian influenza, the outlook of COVID-19 is negatively correlated with the intracellular accumulation of angiotensin II promoted by the viral blockade of its degrading enzyme receptors. In this model, upregulated angiotensin II causes premature vascular senescence, leading to dysfunctional coagulation, and immunity. We further hypothesize that angiotensin II blockers and immune checkpoint inhibitors may be salutary for COVID-19 patients with critical illness by reversing both the clotting and immune defects (Graphical Abstract).
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Affiliation(s)
- Adonis Sfera
- Patton State Hospital, San Bernardino, CA, United States
| | - Carolina Osorio
- Department of Psychiatry, Loma Linda University, Loma Linda, CA, United States
| | - Nyla Jafri
- Patton State Hospital, San Bernardino, CA, United States
| | - Eddie Lee Diaz
- Patton State Hospital, San Bernardino, CA, United States
| | - Jose E Campo Maldonado
- Department of Medicine, The University of Texas Rio Grande Valley, Edinburg, TX, United States
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21
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Reducing state attenuates ectodomain shedding of GPVI while restoring adhesion capacities of stored platelets: evidence addressing the controversy around the effects of redox condition on thrombosis. J Thromb Thrombolysis 2020; 50:123-134. [PMID: 32409937 DOI: 10.1007/s11239-020-02137-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Thrombosis involves different stages including platelet adhesion to the site of injury, aggregatory events governed by integrin activation, pro-inflammatory responses recruiting leukocytes and finally, pro-coagulant activity which results in fibrin generation and clot formation. As important signaling agents, reactive oxygen species (ROS) reduce thrombus volume and growth, however given such a multistage mechanism, it is not well-elucidated how ROS inhibition modulates thrombosis. PRP-platelet concentrates (PCs) were either treated with ROS-reducing agents (1 mM NAC or 30 μM NOX inhibitor, VAS2870) or kept untreated during storage. Shedding and expression of platelet adhesion receptors in presence of inhibitors, agonists and CCCP (as controls) were analyzed by flow cytometery and western blot respectively. Besides above parameters, platelet adhesion to collagen in stored platelets was examined in presence of ROS inhibitors using fluorescence-microscopy. Highest levels of adhesion receptors shedding were achieved by ionophore and CCCP while collagen induces much more GPVI shedding than that of GPIbα. ROS inhibition reduced receptors shedding from day 3 of storage while enhanced their expressions. ROS inhibition not only did not reduce platelet adhesion capacity but it also enhanced platelets adhesion (in presence of NAC) or spreading (in presence of VAS2870) in 5 days-stored PCs. While reducing state significantly inhibits platelet aggregation and thrombus growth, our results indicated that as a first stage of thrombosis, platelet adhesion is resistance to such inhibitory effects. These findings highlight the fact that integrin-dependent platelet activation is much more vulnerable to the inhibition of ROS generation than GPVI-dependent platelet adhesion. Presumably, inhibition of platelet activating signals by ROS inhibitors preserves platelet adhesiveness to collagen due to lessening GPVI shedding.
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22
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Wang H, Yuan R, Cao Q, Wang M, Ren D, Huang X, Wu M, Zhang L, Zhao X, Huo X, Pan Y, Liu Q. Astragaloside III activates TACE/ADAM17‐dependent anti‐inflammatory and growth factor signaling in endothelial cells in a p38‐dependent fashion. Phytother Res 2020; 34:1096-1107. [PMID: 32197276 DOI: 10.1002/ptr.6603] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 10/31/2019] [Accepted: 11/30/2019] [Indexed: 01/01/2023]
Affiliation(s)
- Haifang Wang
- Shaanxi and Xianyang Key Laboratory of Integrated Traditional and Western Medicine for Prevention and Treatment of Cardiovascular Diseases, Institute of Integrated MedicineShaanxi University of Chinese Medicine Xianyang China
| | - Ruihua Yuan
- Shaanxi and Xianyang Key Laboratory of Integrated Traditional and Western Medicine for Prevention and Treatment of Cardiovascular Diseases, Institute of Integrated MedicineShaanxi University of Chinese Medicine Xianyang China
| | - Qingwen Cao
- Division of Medical ManagementShaanxi Provincial Hospital of Traditional Chinese Medicine Xi'an China
| | - Mian Wang
- Shaanxi and Xianyang Key Laboratory of Integrated Traditional and Western Medicine for Prevention and Treatment of Cardiovascular Diseases, Institute of Integrated MedicineShaanxi University of Chinese Medicine Xianyang China
| | - Dezhi Ren
- Department of CardiologyShaanxi Provincial Hospital of Traditional Chinese Medicine Xi'an China
| | - Xiaoyan Huang
- Laboratory CenterShaanxi Provincial People's Hospital Xi'an China
| | - Min Wu
- Laboratory CenterShaanxi Provincial People's Hospital Xi'an China
| | - Linping Zhang
- Laboratory CenterShaanxi Provincial People's Hospital Xi'an China
| | - Xiangrong Zhao
- Laboratory CenterShaanxi Provincial People's Hospital Xi'an China
| | - Xueping Huo
- Laboratory CenterShaanxi Provincial People's Hospital Xi'an China
| | - Yalei Pan
- Shaanxi Collaborative Innovation Center of Chinese Medicine Resources Industrialization, State Key Laboratory of Research and Development of Characteristic Qin Medicine Resources (Cultivation), Shaanxi Innovative Drug Research CenterShaanxi University of Chinese Medicine Xianyang China
| | - Qinshe Liu
- Shaanxi and Xianyang Key Laboratory of Integrated Traditional and Western Medicine for Prevention and Treatment of Cardiovascular Diseases, Institute of Integrated MedicineShaanxi University of Chinese Medicine Xianyang China
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23
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Dutta P, Sultana S, Dey R, Bishayi B. Regulation of Staphylococcus aureus-induced CXCR1 expression via inhibition of receptor mobilization and receptor shedding during dual receptor (TNFR1 and IL-1R) neutralization. Immunol Res 2020; 67:241-260. [PMID: 31290001 DOI: 10.1007/s12026-019-09083-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Our earlier studies proposed a radically new idea suggesting interdependency between TNF-α/TNFR1 and IL-1β/IL-1R pathways in modulation of Staphylococcus aureus-induced CXCL8/CXCR1 axis. However, the effects of inhibition of cytokine receptor mobilization at intracellular level and surface TNFR1 and IL-1R shedding on S. aureus-induced CXCR1 expression have not been studied so far in peritoneal macrophages. This study aimed to investigate the role of inhibition of receptor mobilization from the intracellular pool (using brefeldin A) and surface receptor shedding (using TAPI-1) on CXCR1 expression during dual receptor (TNFR1 plus IL-1R) neutralization in peritoneal macrophages isolated from wild-type Swiss Albino mice. Release of superoxide anion, nitric oxide, and hydrogen peroxide was measured and cytokine production was done by ELISA. Expression of surface receptors (TNFR1, IL-1R, and CXCR1) and inflammatory mediators was studied by Western blot. It was observed that S. aureus-infected macrophages showed elevated ROS production, secretion of TNF-α, IL-1β, and CXCL8, along with increased expression of surface receptors (TNFR1, IL-1R, and CXCR1), and inflammatory markers (iNOS and COX-2) compared with control or treated groups (p < 0.05). However, prior treatment of macrophages with BFA or TAPI-1 in the presence of anti-TNFR1 antibody and IRAP during S. aureus infection showed significant reduction of all these parameters (p < 0.05). We can conclude that targeting of TNFR1 and IL-1R (with major focus on surface expression study) either through blockage of intracellular receptor trafficking pathway or via surface receptor shedding diminishes TNFR1/IL-1R interaction and consequently downregulates CXCR1 expression along with inflammatory signalling pathways during bacterial infections.
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Affiliation(s)
- Puja Dutta
- Department of Physiology, Immunology Laboratory, University of Calcutta, University Colleges of Science and Technology, 92 APC Road, Calcutta, West Bengal, 700009, India
| | - Sahin Sultana
- Department of Physiology, Immunology Laboratory, University of Calcutta, University Colleges of Science and Technology, 92 APC Road, Calcutta, West Bengal, 700009, India
| | - Rajen Dey
- Department of Physiology, Immunology Laboratory, University of Calcutta, University Colleges of Science and Technology, 92 APC Road, Calcutta, West Bengal, 700009, India
| | - Biswadev Bishayi
- Department of Physiology, Immunology Laboratory, University of Calcutta, University Colleges of Science and Technology, 92 APC Road, Calcutta, West Bengal, 700009, India.
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24
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Sultana S, Bishayi B. Potential anti-arthritic and anti-inflammatory effects of TNF-α processing inhibitor-1 (TAPI-1): A new approach to the treatment of S. aureus arthritis. Immunobiology 2019; 225:151887. [PMID: 31822434 DOI: 10.1016/j.imbio.2019.11.022] [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: 09/12/2019] [Accepted: 11/26/2019] [Indexed: 12/22/2022]
Abstract
Treatment of septic arthritis has become more challenging due to the rise of multidrug resistant strains of Staphylococcus aureus (S. aureus) in recent years. Failure of antibiotic therapies has compelled to initiate the search for new alternatives. This study aimed to unveil the potential anti-arthritic effects of TAPI-1 (TNF-α processing inhibitor-1), an inhibitor that inhibits TACE (TNF-α converting enzyme) mediated release of soluble TNF-α and its receptors along with attenuation of other inflammatory and joint destructive factors responsible for the progression of arthritis. Male Swiss albino mice were inoculated with live S. aureus (5 × 106 cells/mouse) for the development of septic arthritis. TAPI-1 was administered intraperitoneally (10 mg/kg body weight) post S. aureus infection at regular intervals. Throughout the experiment, the severity of arthritis was obtained to be significantly low after TAPI-1 administration. Arthritis index and histopathology confirmed effectiveness of TAPI-1 in mitigating inflammation induced paw swelling and less bone-cartilage destruction in the arthritic knee joints. Lower levels of soluble tumor necrosis factor alpha (sTNF-α) and soluble tumor necrosis factor alpha receptor-1 (sTNFR-1) were detected in the TAPI-1 treated group suggesting TAPI-1 mediated blocking of TACE with subsequent inhibition of TNF-α signalling. Treatment with TAPI-1 lowered the levels of reactive species; matrix metalloproteinase-2 (MMP-2), receptor activator of nuclear factor kappa-B ligand (RANKL) and osteopontin (OPN) denoting less matrix degradation and less osteoclastic bone resorption. Together, this experimental work authenticates TAPI-1 as an alternative therapeutic intervention for the treatment of S. aureus arthritis.
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Affiliation(s)
- Sahin Sultana
- Department of Physiology, Immunology and Microbiology Laboratory, University of Calcutta, University Colleges of Science and Technology, 92 APC Road, Calcutta 700 009, West Bengal, India
| | - Biswadev Bishayi
- Department of Physiology, Immunology and Microbiology Laboratory, University of Calcutta, University Colleges of Science and Technology, 92 APC Road, Calcutta 700 009, West Bengal, India.
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Barley-ß-glucans reduce systemic inflammation, renal injury and aortic calcification through ADAM17 and neutral-sphingomyelinase2 inhibition. Sci Rep 2019; 9:17810. [PMID: 31780737 PMCID: PMC6882851 DOI: 10.1038/s41598-019-54306-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Accepted: 11/06/2019] [Indexed: 11/18/2022] Open
Abstract
In chronic kidney disease (CKD), hyperphosphatemia-induced inflammation aggravates vascular calcification (VC) by increasing vascular smooth muscle cell (VSMC) osteogenic differentiation, ADAM17-induced renal and vascular injury, and TNFα-induction of neutral-sphingomyelinase2 (nSMase2) to release pro-calcifying exosomes. This study examined anti-inflammatory β-glucans efficacy at attenuating systemic inflammation in health, and renal and vascular injury favoring VC in hyperphosphatemic CKD. In healthy adults, dietary barley β-glucans (Bβglucans) reduced leukocyte superoxide production, inflammatory ADAM17, TNFα, nSMase2, and pro-aging/pro-inflammatory STING (Stimulator of interferon genes) gene expression without decreasing circulating inflammatory cytokines, except for γ-interferon. In hyperphosphatemic rat CKD, dietary Bβglucans reduced renal and aortic ADAM17-driven inflammation attenuating CKD-progression (higher GFR and lower serum creatinine, proteinuria, kidney inflammatory infiltration and nSMase2), and TNFα-driven increases in aortic nSMase2 and calcium deposition without improving mineral homeostasis. In VSMC, Bβglucans prevented LPS- or uremic serum-induced rapid increases in ADAM17, TNFα and nSMase2, and reduced the 13-fold higher calcium deposition induced by prolonged calcifying conditions by inhibiting osteogenic differentiation and increases in nSMase2 through Dectin1-independent actions involving Bβglucans internalization. Thus, dietary Bβglucans inhibit leukocyte superoxide production and leukocyte, renal and aortic ADAM17- and nSMase2 gene expression attenuating systemic inflammation in health, and renal injury and aortic calcification despite hyperphosphatemia in CKD.
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S J RD, Kumar B P. In Silico Screening for Anti-inflammatory Bioactive Molecules from Ayurvedic Decoction, Balaguluchyadi kashayam. Curr Comput Aided Drug Des 2019; 16:435-450. [PMID: 31749431 DOI: 10.2174/1573409915666191015113753] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 06/12/2019] [Accepted: 09/20/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Balaguluchyadi kashayam, a polyherbal Ayurvedic decoction prepared from Sidacordifolia L., Tinospora cordifolia (Willd.) Miers, and Cedrusdeodara (Roxb. ex D.Don) G.Don, is used in Ayurveda for the treatment of chronic inflammatory conditions. Although this herbal decoction has been used for a long period for treating chronic inflammatory conditions, the mechanism of action of the decoction in reducing inflammatory conditions associated with chronic inflammation has not been clearly understood. Mass spectroscopy-based identification of bioactive molecules present in the decoction and its interaction with enzymes/proteins involved in the pathogenesis of chronic inflammation has been carried and reported in this study. INTRODUCTION Polyherbalism is one of the major principles of Ayurveda. Various phytoconstituents with different activities in the polyherbal decoction act on multi targets of a wide range of diseases. Balaguluchyadi kashayam is a polyherbal decoction prescribed for chronic inflammatory etiologies and the present study aims to evaluate the binding potential of the compounds, identified from Balaguluchyadi kashayam to enzymes/proteins involved in the development and progression of chronic inflammation. METHODS The bioactive compounds present in the Balaguluchyadi Kashayam fractions were extracted by preparative HPLC and identified using UPLC MS Q-TOF. The physicochemical characteristics and ADMET properties of the compounds were calculated using Mol soft, Swiss ADME and OSIRIS data warrior software. Then the binding interactions between the molecules and the proinflammatory mediators such as 5 Lipoxygenase, Cyclooxygenase 2, Tumor necrosis factoralpha convertase enzyme (TACE) and Caspase 1 were determined using molecular docking software Auto Dock 4.0 (http://autodock.scripps.edu/downloads). RESULTS The identified bioactive molecules in the decoction showed a good binding affinity towards the enzymes/proteins involved in the development and progression of chronic inflammation compared to the binding affinity of known inhibitors/drugs to the respective enzymes/proteins. CONCLUSION The bioactive molecules identified in Balaguluchyadi Kashayam could be developed as potential therapeutic molecules against enzymes/proteins involved in the development and progression of chronic inflammation.
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Affiliation(s)
- Rahitha Devi S J
- Inflammation Research Lab, School of Biosciences, Mahatma Gandhi University, Priyadarshini Hills, Kottayam, Kerala 686560, India
| | - Prakash Kumar B
- Inflammation Research Lab, School of Biosciences, Mahatma Gandhi University, Priyadarshini Hills, Kottayam, Kerala 686560, India
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Pennell EN, Shiels R, Vidimce J, Wagner KH, Shibeeb S, Bulmer AC. The impact of bilirubin ditaurate on platelet quality during storage. Platelets 2019; 31:884-896. [PMID: 31747815 DOI: 10.1080/09537104.2019.1693038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Bilirubin ditaurate (BRT), a conjugated bilirubin analogue, has demonstrated anti-platelet characteristics following acute ex vivo exposure. Scavenging of mitochondrial superoxide and attenuation of granule exocytosis suggested a potential benefit for including BRT for storage. With no reports of cytotoxicity following acute exposure, the impact of 35µM BRT on platelet function was investigated, in clinically suppled units, for up to seven days. Exposure to 35µM BRT significantly reduced mitochondrial membrane potential and increased glucose consumption until exhaustion after 72 hours. Platelet aggregation and activation was significantly impaired by BRT. Mitochondrial superoxide production and phosphatidylserine expression were significantly elevated following glucose exhaustion, with decreased viability observed from day five onwards. Lactate accumulation and loss of bicarbonate, support a metabolic disturbance, leading to a decline of quality following BRT inclusion. Although acute ex vivo BRT exposure reported potentially beneficial effects, translation from acute to chronic exposure failed to combat declining platelet function during storage. BRT exposure resulted in perturbations of platelet quality, with the utility of BRT during storage therefore limited. However, these are the first data of prolonged platelet exposure to analogues of conjugated bilirubin and may improve our understanding of platelet function in the context of conjugated hyperbilirubinemia.
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Affiliation(s)
- Evan Noel Pennell
- School of Medical Science, Griffith University , Gold Coast, Australia
| | - Ryan Shiels
- School of Medical Science, Griffith University , Gold Coast, Australia
| | - Josif Vidimce
- School of Medical Science, Griffith University , Gold Coast, Australia
| | - Karl-Heinz Wagner
- Research Platform Active Aging, Department of Nutritional Science, University of Vienna , Vienna Austria
| | - Sapha Shibeeb
- School of Medical Science, Griffith University , Gold Coast, Australia.,Endeavour College of Natural Health , Melbourne, Australia
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Hosseini E, Mohtashami M, Ghasemzadeh M. Down-regulation of platelet adhesion receptors is a controlling mechanism of thrombosis, while also affecting post-transfusion efficacy of stored platelets. Thromb J 2019; 17:20. [PMID: 31660046 PMCID: PMC6806620 DOI: 10.1186/s12959-019-0209-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Accepted: 09/10/2019] [Indexed: 12/14/2022] Open
Abstract
Physiologically, upon platelet activation, uncontrolled propagation of thrombosis is prevented by regulating mechanisms which affect the expression and function of either platelet adhesion receptors or integrins. Receptor ectodomain shedding is an elective mechanism which is mainly involved in down-regulation of adhesion receptors GPIbα and GPVI. Platelet integrin αIIbβ3 can also be modulated with a calpain-dependent proteolytic cleavage. In addition, activating signals may induce the internalization of expressed receptors to selectively down-regulate their intensity. Alternatively, further activation of platelets is associated with microvesiculation as a none-selective mechanism which leads to the loss of membrane- bearing receptors. In a non-physiological condition, the storage of therapeutic platelets has also shown to be associated with the unwilling activation of platelets which triggers receptors down-regulation via aforementioned different mechanisms. Notably, herein the changes are time-dependent and not controllable. While the expression and shedding of pro-inflammatory molecules can induce post-transfusion adverse effects, stored-dependent loss of adhesion receptors by ectodomain shedding or microvesiculation may attenuate post-transfusion adhesive functions of platelets causing their premature clearance from circulation. In its first part, the review presented here aims to describe the mechanisms involved in down-regulation of platelet adhesion receptors. It then highlights the crucial role of ectodomain shedding and microvesiculation in the propagation of "platelet storage lesion" which may affect the post-transfusion efficacy of platelet components.
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Affiliation(s)
- Ehteramolsadat Hosseini
- 1Blood Transfusion Research Centre, High Institute for Research and Education in Transfusion Medicine, Iranian Blood Transfusion Organization Building, Hemmat Exp. Way, Next to the Milad Tower, PO Box: 14665-1157, Tehran, Iran
| | - Maryam Mohtashami
- 1Blood Transfusion Research Centre, High Institute for Research and Education in Transfusion Medicine, Iranian Blood Transfusion Organization Building, Hemmat Exp. Way, Next to the Milad Tower, PO Box: 14665-1157, Tehran, Iran
| | - Mehran Ghasemzadeh
- 1Blood Transfusion Research Centre, High Institute for Research and Education in Transfusion Medicine, Iranian Blood Transfusion Organization Building, Hemmat Exp. Way, Next to the Milad Tower, PO Box: 14665-1157, Tehran, Iran.,2Australian Center for Blood Diseases, Monash University, Melbourne, Victoria 3004 Australia
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Saad MI, Rose-John S, Jenkins BJ. ADAM17: An Emerging Therapeutic Target for Lung Cancer. Cancers (Basel) 2019; 11:E1218. [PMID: 31438559 PMCID: PMC6769596 DOI: 10.3390/cancers11091218] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 08/07/2019] [Accepted: 08/17/2019] [Indexed: 12/23/2022] Open
Abstract
Lung cancer is the leading cause of cancer-related mortality, which histologically is classified into small-cell lung cancer (SCLC) and non-small cell lung cancer (NSCLC). NSCLC accounts for approximately 85% of all lung cancer diagnoses, with the majority of patients presenting with lung adenocarcinoma (LAC). KRAS mutations are a major driver of LAC, and are closely related to cigarette smoking, unlike mutations in the epidermal growth factor receptor (EGFR) which arise in never-smokers. Although the past two decades have seen fundamental progress in the treatment and diagnosis of NSCLC, NSCLC still is predominantly diagnosed at an advanced stage when therapeutic interventions are mostly palliative. A disintegrin and metalloproteinase 17 (ADAM17), also known as tumour necrosis factor-α (TNFα)-converting enzyme (TACE), is responsible for the protease-driven shedding of more than 70 membrane-tethered cytokines, growth factors and cell surface receptors. Among these, the soluble interleukin-6 receptor (sIL-6R), which drives pro-inflammatory and pro-tumourigenic IL-6 trans-signaling, along with several EGFR family ligands, are the best characterised. This large repertoire of substrates processed by ADAM17 places it as a pivotal orchestrator of a myriad of physiological and pathological processes associated with the initiation and/or progression of cancer, such as cell proliferation, survival, regeneration, differentiation and inflammation. In this review, we discuss recent research implicating ADAM17 as a key player in the development of LAC, and highlight the potential of ADAM17 inhibition as a promising therapeutic strategy to tackle this deadly malignancy.
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Affiliation(s)
- Mohamed I Saad
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, Victoria 3168, Australia
- Department of Molecular and Translational Sciences, Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton, Victoria 3168, Australia
| | - Stefan Rose-John
- Institute of Biochemistry, Christian-Albrechts-University, D-24098 Kiel, Germany
| | - Brendan J Jenkins
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, Victoria 3168, Australia.
- Department of Molecular and Translational Sciences, Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton, Victoria 3168, Australia.
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Utermöhlen O, Jakobshagen K, Blissenbach B, Wiegmann K, Merz T, Hefti JP, Krönke M. Emergence of AnnexinVpos CD31neg CD42blow/neg extracellular vesicles in plasma of humans at extreme altitude. PLoS One 2019; 14:e0220133. [PMID: 31369589 PMCID: PMC6675110 DOI: 10.1371/journal.pone.0220133] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Accepted: 07/09/2019] [Indexed: 12/02/2022] Open
Abstract
Background Hypobaric hypoxia has been reported to cause endothelial cell and platelet dysfunction implicated in the formation of microvascular lesions, and in its extremes may contribute to vascular leakage in high altitude pulmonary edema or blood brain barrier disruption leading to cerebral micro-hemorrhage (MH). Platelet function in the development of microvascular lesions remained ill defined, and is still incompletely understood. In this study platelet- and endothelial cell-derived extracellular vesicles (PEV and EEV, respectively) and cell adhesion molecules were characterized in plasma samples of members of a high altitude expedition to delineate the contribution of platelets and endothelial cells to hypobaric hypoxia-induced vascular dysfunction. Methods and findings In this observational study, platelet and endothelial cell-derived extracellular vesicles were analysed by flow-cytometry in plasma samples from 39 mountaineers participating in a medical research climbing expedition to Himlung Himal, Nepal, 7,050m asl. Megakaryocyte/platelet-derived AnnexinVpos, PECAM-1 (CD31) and glycoprotein-1b (GP1b, CD42b) positive extracellular vesicles (PEV) constituted the predominant fraction of EV in plasma samples up to 6,050m asl. Exposure to an altitude of 7,050m led to a marked decline of CD31pos CD42neg EEV as well as of CD31pos CD42bpos PEV at the same time giving rise to a quantitatively prevailing CD31neg CD42blow/neg subpopulation of AnnexinVpos EV. An almost hundredfold increase in the numbers of this previously unrecognized population of CD31neg CD42blow/neg EV was observed in all participants reaching 7,050m asl. Conclusions The emergence of CD31neg CD42blow/neg EV was observed in all participants and thus represents an early hypoxic marker at extreme altitude. Since CD31 and CD42b are required for platelet-endothelial cell interactions, these hypobaric hypoxia-dependent quantitative and phenotypic changes of AnnexinVpos EV subpopulations may serve as early and sensitive indicators of compromised vascular homeostasis.
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Affiliation(s)
- Olaf Utermöhlen
- Institute for Medical Microbiology, Immunology and Hygiene, University Hospital Cologne, Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), Cologne, Germany
| | - Kristin Jakobshagen
- Institute for Medical Microbiology, Immunology and Hygiene, University Hospital Cologne, Cologne, Germany
| | - Birgit Blissenbach
- Institute for Medical Microbiology, Immunology and Hygiene, University Hospital Cologne, Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Cologne, Germany
| | - Katja Wiegmann
- Institute for Medical Microbiology, Immunology and Hygiene, University Hospital Cologne, Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Cologne, Germany
| | - Tobias Merz
- Department of Intensive Care Medicine, University Hospital and University of Bern, Bern, Switzerland
- Cardiovascular Intensive Care Unit, Auckland City Hospital, Auckland, New Zealand
| | - Jacqueline Pichler Hefti
- Department of Intensive Care Medicine, University Hospital and University of Bern, Bern, Switzerland
- Department of Pneumology, University Hospital and University of Bern, Bern, Switzerland
- * E-mail: (MK); (JP)
| | - Martin Krönke
- Institute for Medical Microbiology, Immunology and Hygiene, University Hospital Cologne, Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Cologne, Germany
- * E-mail: (MK); (JP)
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Eid RA, Alkhateeb MA, El-Kott AF, Eleawa SM, Zaki MSA, Alaboodi SA, Salem Al-Shudiefat AAR, Aldera H, Alnamar NM, Alassiri M, Khalil MA. A high-fat diet rich in corn oil induces cardiac fibrosis in rats by activating JAK2/STAT3 and subsequent activation of ANG II/TGF-1β/Smad3 pathway: The role of ROS and IL-6 trans-signaling. J Food Biochem 2019; 43:e12952. [PMID: 31368573 DOI: 10.1111/jfbc.12952] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 05/30/2019] [Accepted: 05/31/2019] [Indexed: 12/20/2022]
Abstract
This study compared the effect of low-fat diet (LFD) and high-fat diet rich in corn oil (HFD-CO) on left ventricular (LV) fibrosis in rats and examined their effect of angiotensin II (ANG II), JAK/STAT, and TGF-1β/smad3 pathways. As compared to LFD which didn't affect any of the measured parameters, HFD-CO-induced type 2 diabetes phenotype and increased LV collagen synthesis. Mechanistically, it increased LV levels of ROS, ANG II, ACE, IL-6, s-IL-6Rα, TGF-β1, Smad-3, and activities of JAK1/2 and STAT1/3. AG490, a JAK2 inhibitor, partially ameliorated these effect while Losartan, an AT1 inhibitor completely abolished collagen synthesis. However, with both treatments, levels of ANG II, IL-6, and s-IL-6Rα, and activity of JAK1/STAT3 remained high, all of which were normalized by co-administration of NAC or IL-6 neutralizing antibody. In conclusion: HFD-CO enhances LV collage synthesis by activation of JAK1/STAT3/ANG II/TGF-1β/smad3 pathway. PRACTICAL APPLICATIONS: We report that chronic consumption of a high-fat diet rich in corn oil (HFD-CO) induces diabetes mellitus phenotype 2 associated with left ventricular (LV) cardiac fibrosis in rats. The findings of this study show that HFD-CO, and through the increasing generation of ROS and IL-6 levels and shedding, could activate LV JAK1/2-STAT1/3 and renin-angiotensin system (RAS) signaling pathways, thus creating a positive feedback between the two which ultimately leads to activation of TGF-1β/Smad3 fibrotic pathway. Herein, we also report a beneficial effect of the antioxidant, NAC, or IL-6 neutralizing antibody in preventing such adverse effects of such HFD-CO. However, this presents a warning message to the current sudden increase in idiopathic cardiac disorders, especially with the big shift in our diets toward n-6 PUFA.
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Affiliation(s)
- Refaat A Eid
- Department of Clinica Pathology and Anatomy, College of Medicine, King Khalid University (KKU), Abha, Kingdom of Saudi Arabia
| | - Mahmoud A Alkhateeb
- Basic Medical Sciences (Physiology Section), College of Medicine, King Saud bin Abdulaziz University for Health Sciences (KSAU-HS), Riyadh, Kingdom of Saudi Arabia
| | - Attalla Farag El-Kott
- Department of Biology, College of Science, King Khalid University (KKU), Abha, Kingdom of Saudi Arabia.,Department of Zoology, Faculty of Science, Damanhour University, Damanhour, Egypt
| | - Samy M Eleawa
- Department of Applied Medical Sciences, College of Health Sciences, PAAET, Safat, Kuwait
| | - Mohamed Samir Ahmed Zaki
- Department of Anatomy, College of Medicine, King Khalid University (KKU), Abha, Kingdom of Saudi Arabia.,Department of Histology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Sultan Abdullah Alaboodi
- Central laboratories, Huraymala General Hospital, Ministry of Health, Riyadh, Kingdom of Saudi Arabia
| | | | - Hussain Aldera
- Basic Medical Sciences (Physiology Section), College of Medicine, King Saud bin Abdulaziz University for Health Sciences (KSAU-HS), Riyadh, Kingdom of Saudi Arabia.,King Abdullah International Medical Research Center, Riyadh, Kingdom of Saudi Arabia
| | | | - Mohammed Alassiri
- Basic Medical Sciences (Physiology Section), College of Medicine, King Saud bin Abdulaziz University for Health Sciences (KSAU-HS), Riyadh, Kingdom of Saudi Arabia.,King Abdullah International Medical Research Center, Riyadh, Kingdom of Saudi Arabia
| | - Mohammad A Khalil
- Department of Basic Medical Sciences, College of Medicine, King Fahid Medical City (KFMC), Riyadh, Kingdom of Saudi Arabia
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Refsnes M, Skuland T, Lilleaas E, Øvrevik J, Låg M. Concentration‐dependent cytokine responses of silica nanoparticles and role of ROS in human lung epithelial cells. Basic Clin Pharmacol Toxicol 2019; 125:304-314. [DOI: 10.1111/bcpt.13221] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 03/04/2019] [Indexed: 01/09/2023]
Affiliation(s)
- Magne Refsnes
- Department of Air Pollution and Noise Norwegian Institute of Public Health Oslo Norway
| | - Tonje Skuland
- Department of Air Pollution and Noise Norwegian Institute of Public Health Oslo Norway
| | - Edel Lilleaas
- Department of Air Pollution and Noise Norwegian Institute of Public Health Oslo Norway
| | - Johan Øvrevik
- Department of Air Pollution and Noise Norwegian Institute of Public Health Oslo Norway
| | - Marit Låg
- Department of Air Pollution and Noise Norwegian Institute of Public Health Oslo Norway
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Association of Oxidative Stress and Platelet Receptor Glycoprotein GPIbα and GPVI Shedding During Nonsurgical Bleeding in Heart Failure Patients With Continuous-Flow Left Ventricular Assist Device Support. ASAIO J 2019; 64:462-471. [PMID: 28953486 DOI: 10.1097/mat.0000000000000680] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Nonsurgical bleeding (NSB) in heart failure (HF) patients with continuous-flow left ventricular assist device (CF-LVAD) support is the most common clinical complication. The aim of this study was to investigate the association between oxidative stress and platelet glycoproteins GPIbα and GPVI shedding on the incidence of NSB in CF-LVAD patients. Fifty-one HF patients undergoing CF-LVAD implantation and 11 healthy volunteers were recruited. Fourteen patients developed NSB (bleeder group) during 1 month follow-up duration, while others were considered nonbleeder group (n = 37). Several biomarkers of oxidative stress were quantified at baseline and weekly intervals in all patients. Surface expression and plasma elements of platelet receptor glycoproteins GPIbα and GPVI were measured. Oxidative stress biomarkers and platelet GPIbα and GPVI receptor-shedding (decreased surface expression and higher plasma levels) were found to be preexisting conditions in baseline samples of both groups of HF patients when compared with healthy volunteers. Significantly elevated oxidative stress biomarkers and platelet glycoprotein receptor shedding were observed in postimplant bleeder group temporarily when compared with nonbleeder group. Strong significant associations between biomarkers of oxidative stress and platelet glycoprotein receptor shedding were observed, suggesting a possible role of oxidative stress in platelet integrin shedding leading to NSB in CF-LVAD patients. Receiver operating characteristic analyses of GPIbα and GPVI indicated that the likelihood of NSB had a predictive power of bleeding complication in CF-LVAD patients. In conclusion, elevated oxidative stress may play a role in GPIbα and GPVI shedding in the event of NSB. Thus, oxidative stress and GPIbα and GPVI shedding may be used as potential biomarkers for bleeding risk stratification in those patients.
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Shu G, Chen Y, Liu T, Ren S, Kong Y. Antimicrobial Peptide Cathelicidin-BF Inhibits Platelet Aggregation by Blocking Protease-Activated Receptor 4. Int J Pept Res Ther 2019. [DOI: 10.1007/s10989-018-9677-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Zhou J, Sun J, Markova DZ, Li S, Kepler CK, Hong J, Huang Y, Chen W, Xu K, Wei F, Ye W. MicroRNA-145 overexpression attenuates apoptosis and increases matrix synthesis in nucleus pulposus cells. Life Sci 2019; 221:274-283. [DOI: 10.1016/j.lfs.2019.02.041] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Revised: 02/18/2019] [Accepted: 02/19/2019] [Indexed: 12/13/2022]
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Mechanisms of receptor shedding in platelets. Blood 2018; 132:2535-2545. [DOI: 10.1182/blood-2018-03-742668] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 10/12/2018] [Indexed: 02/07/2023] Open
Abstract
Abstract
The ability to upregulate and downregulate surface-exposed proteins and receptors is a powerful process that allows a cell to instantly respond to its microenvironment. In particular, mobile cells in the bloodstream must rapidly react to conditions where infection or inflammation are detected, and become proadhesive, phagocytic, and/or procoagulant. Platelets are one such blood cell that must rapidly acquire and manage proadhesive and procoagulant properties in order to execute their primary function in hemostasis. The regulation of platelet membrane properties is achieved via several mechanisms, one of which involves the controlled metalloproteolytic release of adhesion receptors and other proteins from the platelet surface. Proteolysis effectively lowers receptor density and reduces the reactivity of platelets, and is a mechanism to control robust platelet activation. Recent research has also established clear links between levels of platelet receptors and platelet lifespan. In this review, we will discuss the current knowledge of metalloproteolytic receptor regulation in the vasculature with emphasis on the platelet receptor system to highlight how receptor density can influence both platelet function and platelet survival.
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Wei G, Luo Q, Wang X, Wu X, Xu M, Ding N, Zhao Y, Zhong L, Wang J, Wu Y, Li X, Liu Y, Ju W, Li Z, Zeng L, Xu K, Qiao J. Increased GPIbα shedding from platelets treated with immune thrombocytopenia plasma. Int Immunopharmacol 2018; 66:91-98. [PMID: 30445311 DOI: 10.1016/j.intimp.2018.11.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Revised: 11/08/2018] [Accepted: 11/08/2018] [Indexed: 12/19/2022]
Abstract
Immune thrombocytopenia (ITP) is a heterogeneous autoimmune disease, characterized by accelerated platelet destruction/clearance or decreased platelet production. ADAM17-mediated platelet receptor GPIbα extracellular domain shedding has been shown to be involved in platelet clearance. Whether GPIbα shedding participates in the pathogenesis of ITP remains poorly understood. This study aims to investigate the role of GPIbα shedding in the development of ITP via incubating normal platelets with ITP plasma to mimic ITP in vivo environment. Plasma was isolated from ITP patients or healthy control and incubated with platelets in vitro followed by measuring GPIbα expression by flow cytometry and western blot, ADAM17 expression by western blot, ROS generation and platelet activation by flow cytometry. Compared with control plasma, ITP plasma-treated platelet displayed significantly reduced GPIbα surface expression, increased ADAM17 expression and ROS generation. However, metalloproteinase inhibitor GM6001 blocked the ITP-plasma-induced decrease in GPIbα surface expression, increase in ADAM17 expression and platelet activation. In addition, inhibitors of NADPH oxidase or mitochondria respiration significantly inhibited ROS generation from ITP plasma-treated platelets. Moreover, ROS inhibition or blocking FcγRIIa attenuated the decrease in GPIbα surface expression, platelet activation and ROS generation (for blocking FcγRIIa) in ITP plasma-treated platelets. In conclusion, ITP plasma induces platelet receptor GPIbα extracellular domain shedding, suggesting that it might participate in the pathogenesis of ITP and targeting it might be a novel approach for treating ITP.
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Affiliation(s)
- Guangyu Wei
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China; Department of Hematology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, China; Key Laboratory of Bone Marrow Stem Cell, Jiangsu Province, Xuzhou, China
| | - Qi Luo
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China; Department of Hematology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, China; Key Laboratory of Bone Marrow Stem Cell, Jiangsu Province, Xuzhou, China
| | - Xiamin Wang
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China; Department of Hematology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, China; Key Laboratory of Bone Marrow Stem Cell, Jiangsu Province, Xuzhou, China
| | - Xiaoqing Wu
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China; Department of Hematology, Xinyi City Hospital, Xuzhou, China
| | - Mengdi Xu
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China; Department of Hematology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, China; Key Laboratory of Bone Marrow Stem Cell, Jiangsu Province, Xuzhou, China
| | - Ning Ding
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China
| | - Yan Zhao
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China
| | - Lamei Zhong
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China
| | - Jurui Wang
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China
| | - Yulu Wu
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China
| | - Xiaoqian Li
- Department of Hematology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Yun Liu
- Department of Clinical Laboratory, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Wen Ju
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China; Department of Hematology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, China; Key Laboratory of Bone Marrow Stem Cell, Jiangsu Province, Xuzhou, China
| | - Zhenyu Li
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China; Department of Hematology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, China; Key Laboratory of Bone Marrow Stem Cell, Jiangsu Province, Xuzhou, China
| | - Lingyu Zeng
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China; Key Laboratory of Bone Marrow Stem Cell, Jiangsu Province, Xuzhou, China
| | - Kailin Xu
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China; Department of Hematology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, China; Key Laboratory of Bone Marrow Stem Cell, Jiangsu Province, Xuzhou, China.
| | - Jianlin Qiao
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China; Department of Hematology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, China; Key Laboratory of Bone Marrow Stem Cell, Jiangsu Province, Xuzhou, China.
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Babur Ö, Ngo ATP, Rigg RA, Pang J, Rub ZT, Buchanan AE, Mitrugno A, David LL, McCarty OJT, Demir E, Aslan JE. Platelet procoagulant phenotype is modulated by a p38-MK2 axis that regulates RTN4/Nogo proximal to the endoplasmic reticulum: utility of pathway analysis. Am J Physiol Cell Physiol 2018; 314:C603-C615. [PMID: 29412690 PMCID: PMC6008067 DOI: 10.1152/ajpcell.00177.2017] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Revised: 02/05/2018] [Accepted: 02/05/2018] [Indexed: 01/01/2023]
Abstract
Upon encountering physiological cues associated with damaged or inflamed endothelium, blood platelets set forth intracellular responses to ultimately support hemostatic plug formation and vascular repair. To gain insights into the molecular events underlying platelet function, we used a combination of interactome, pathway analysis, and other systems biology tools to analyze associations among proteins functionally modified by reversible phosphorylation upon platelet activation. While an interaction analysis mapped out a relative organization of intracellular mediators in platelet signaling, pathway analysis revealed directional signaling relations around protein kinase C (PKC) isoforms and mitogen-activated protein kinases (MAPKs) associated with platelet cytoskeletal dynamics, inflammatory responses, and hemostatic function. Pathway and causality analysis further suggested that platelets activate a specific p38-MK2 axis to phosphorylate RTN4 (reticulon-4, also known as Nogo), a Bcl-xl sequestration protein and critical regulator of endoplasmic reticulum (ER) physiology. In vitro, we find that platelets drive a p38-MK2-RTN4-Bcl-xl pathway associated with the regulation of the ER and platelet phosphatidylserine exposure. Together, our results support the use of pathway tools in the analysis of omics data sets as a means to help generate novel, mechanistic, and testable hypotheses for platelet studies while uncovering RTN4 as a putative regulator of platelet cell physiological responses.
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Affiliation(s)
- Özgün Babur
- Department of Molecular and Medical Genetics, Oregon Health & Science University , Portland, Oregon
- Computational Biology Program, Oregon Health & Science University , Portland, Oregon
| | - Anh T P Ngo
- Department of Biomedical Engineering, Oregon Health & Science University , Portland, Oregon
| | - Rachel A Rigg
- Department of Biomedical Engineering, Oregon Health & Science University , Portland, Oregon
| | - Jiaqing Pang
- Department of Biomedical Engineering, Oregon Health & Science University , Portland, Oregon
| | - Zhoe T Rub
- Department of Biomedical Engineering, Oregon Health & Science University , Portland, Oregon
| | - Ariana E Buchanan
- Knight Cardiovascular Institute, School of Medicine, Oregon Health & Science University , Portland, Oregon
| | - Annachiara Mitrugno
- Department of Biomedical Engineering, Oregon Health & Science University , Portland, Oregon
| | - Larry L David
- Department of Biochemistry and Molecular Biology, Oregon Health & Science University , Portland, Oregon
| | - Owen J T McCarty
- Department of Biomedical Engineering, Oregon Health & Science University , Portland, Oregon
- Department of Cell, Developmental, & Cancer Biology, Oregon Health & Science University , Portland, Oregon
- Division of Hematology & Medical Oncology, Oregon Health & Science University , Portland, Oregon
| | - Emek Demir
- Department of Molecular and Medical Genetics, Oregon Health & Science University , Portland, Oregon
- Computational Biology Program, Oregon Health & Science University , Portland, Oregon
| | - Joseph E Aslan
- Department of Biochemistry and Molecular Biology, Oregon Health & Science University , Portland, Oregon
- Knight Cardiovascular Institute, School of Medicine, Oregon Health & Science University , Portland, Oregon
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Gaweł‐Bęben K, Ali N, Ellis V, Velasco G, Poghosyan Z, Ager A, Knäuper V. TMEFF2 shedding is regulated by oxidative stress and mediated by ADAMs and transmembrane serine proteases implicated in prostate cancer. Cell Biol Int 2018; 42:273-280. [PMID: 28762604 PMCID: PMC5836882 DOI: 10.1002/cbin.10832] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Accepted: 07/26/2017] [Indexed: 12/19/2022]
Abstract
TMEFF2 is a type I transmembrane protein with two follistatin (FS) and one EGF-like domain over-expressed in prostate cancer; however its biological role in prostate cancer development and progression remains unclear, which may, at least in part, be explained by its proteolytic processing. The extracellular part of TMEFF2 (TMEFF2-ECD) is cleaved by ADAM17 and the membrane-retained fragment is further processed by the gamma-secretase complex. TMEFF2 shedding is increased with cell crowding, a condition associated with the tumour microenvironment, which was mediated by oxidative stress signalling, requiring jun-kinase (JNK) activation. Moreover, we have identified that TMEFF2 is also a novel substrate for other proteases implicated in prostate cancer, including two ADAMs (ADAM9 and ADAM12) and the type II transmembrane serine proteinases (TTSPs) matriptase-1 and hepsin. Whereas cleavage by ADAM9 and ADAM12 generates previously identified TMEFF2-ECD, proteolytic processing by matriptase-1 and hepsin produced TMEFF2 fragments, composed of TMEFF2-ECD or FS and/or EGF-like domains as well as novel membrane retained fragments. Differential TMEFF2 processing from a single transmembrane protein may be a general mechanism to modulate transmembrane protein levels and domains, dependent on the repertoire of ADAMs or TTSPs expressed by the target cell.
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Affiliation(s)
- Katarzyna Gaweł‐Bęben
- School of MedicineUniversity of Information Technology and Management in Rzeszow2 Sucharskiego Str.35‐225 RzeszowPoland
- School of DentistryCollege of Biomedical and Life SciencesCardiff UniversityCardiffCF14 4XYUnited Kingdom
| | - Nazim Ali
- School of DentistryCollege of Biomedical and Life SciencesCardiff UniversityCardiffCF14 4XYUnited Kingdom
- School of MedicineUniversity of KeeleKeeleST5 5BGUnited Kingdom
| | - Vincent Ellis
- School of Biological SciencesUniversity of East AngliaNorwich Research ParkNorwichNR4 7TJUnited Kingdom
| | - Gloria Velasco
- Departamento de Bioquímica y Biología Molecular Facultad de MedicinaUniversidad de Oviedo33006 OviedoSpain
| | - Zaruhi Poghosyan
- School of MedicineCollege of Biomedical and Life SciencesCardiff UniversityCardiffCF14 4XYUnited Kingdom
| | - Ann Ager
- School of MedicineCollege of Biomedical and Life SciencesCardiff UniversityCardiffCF14 4XYUnited Kingdom
| | - Vera Knäuper
- School of DentistryCollege of Biomedical and Life SciencesCardiff UniversityCardiffCF14 4XYUnited Kingdom
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Ghasemzadeh M, Hosseini E, Roudsari ZO, Zadkhak P. Intraplatelet reactive oxygen species (ROS) correlate with the shedding of adhesive receptors, microvesiculation and platelet adhesion to collagen during storage: Does endogenous ROS generation downregulate platelet adhesive function? Thromb Res 2018; 163:153-161. [DOI: 10.1016/j.thromres.2018.01.048] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2017] [Revised: 01/02/2018] [Accepted: 01/26/2018] [Indexed: 01/01/2023]
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41
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Nurden A. Platelets, inflammation and tissue regeneration. Thromb Haemost 2017; 105 Suppl 1:S13-33. [DOI: 10.1160/ths10-11-0720] [Citation(s) in RCA: 469] [Impact Index Per Article: 67.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2010] [Accepted: 02/04/2011] [Indexed: 12/20/2022]
Abstract
SummaryBlood platelets have long been recognised to bring about primary haemostasis with deficiencies in platelet production and function manifesting in bleeding while upregulated function favourises arterial thrombosis. Yet increasing evidence indicates that platelets fulfil a much wider role in health and disease. First, they store and release a wide range of biologically active substances including the panoply of growth factors, chemokines and cytokines released from α-granules. Membrane budding gives rise to microparticles (MPs), another active participant within the blood stream. Platelets are essential for the innate immune response and combat infection (viruses, bacteria, micro-organisms). They help maintain and modulate inflammation and are a major source of pro-inflammatory molecules (e.g. P-selectin, tissue factor, CD40L, metalloproteinases). As well as promoting coagulation, they are active in fibrinolysis; wound healing, angiogenesis and bone formation as well as in maternal tissue and foetal vascular remodelling. Activated platelets and MPs intervene in the propagation of major diseases. They are major players in atherosclerosis and related diseases, pathologies of the central nervous system (Alzheimers disease, multiple sclerosis), cancer and tumour growth. They participate in other tissue-related acquired pathologies such as skin diseases and allergy, rheumatoid arthritis, liver disease; while, paradoxically, autologous platelet-rich plasma and platelet releasate are being used as an aid to promote tissue repair and cellular growth. The above mentioned roles of platelets are now discussed.
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42
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Foote CA, Martinez-Lemus LA. Uncovering novel roles for matrix metalloproteinases in preeclampsia. Am J Physiol Heart Circ Physiol 2017; 313:H687-H689. [PMID: 28710071 DOI: 10.1152/ajpheart.00374.2017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 07/05/2017] [Accepted: 07/05/2017] [Indexed: 11/22/2022]
Affiliation(s)
- Christopher A Foote
- Dalton Cardiovascular Research Center and Department of Medical Pharmacology and Physiology, University of Missouri, Columbia, Missouri
| | - Luis A Martinez-Lemus
- Dalton Cardiovascular Research Center and Department of Medical Pharmacology and Physiology, University of Missouri, Columbia, Missouri
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Mondal NK, Chen Z, Trivedi JR, Sorensen EN, Pham SM, Slaughter MS, Griffith BP, Wu ZJ. Oxidative stress induced modulation of platelet integrin α2bβ3 expression and shedding may predict the risk of major bleeding in heart failure patients supported by continuous flow left ventricular assist devices. Thromb Res 2017; 158:140-148. [PMID: 28915447 DOI: 10.1016/j.thromres.2017.09.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 08/24/2017] [Accepted: 09/07/2017] [Indexed: 11/15/2022]
Abstract
INTRODUCTION Oxidative stress and platelet integrin α2bβ3 plays important role in the process of hemostasis and thrombosis. We hypothesized that device-induced patient specific oxidative stress and integrin α2bβ3 shedding may be linked to major bleeding complication (MBC) in heart failure (HF) patients supported by continuous flow left ventricular assist devices (CF-LVADs). MATERIALS AND METHODS We recruited 47patients implanted with CF-LVADs and 15 healthy volunteers. Fourteen patients developed MBC (bleeder group) within one month after implantation while others were considered non-bleeder group (n=33). Oxidative stresses were evaluated by measuring reactive oxygen species (ROS) in platelets, superoxide dismutase (SOD) activity, total antioxidant capacity (TAC) and oxidized low density lipoprotein (oxLDL). Assessments of α2bβ3 were carried out using flow cytometry and ELISA. RESULTS Biomarkers of oxidative stress and α2bβ3 shedding (decreased surface expression and higher plasma levels) were found to be preexisting condition in all HF patients prior to CF-LVAD implantation compared to the healthy volunteers. Significantly elevated levels of ROS and oxLDL; concomitant depletion of SOD and TAC; and α2bβ3 shedding were observed in the bleeder group temporarily in comparison to the non-bleeder group after CF-LVAD implantation. A significantly strong association between α2bβ3 shedding and biomarkers of oxidative stress was observed; suggesting a potential role of oxidative stress in platelet integrin shedding leading to MBC after CF-LVAD implantation. Moreover, a receiver operating characteristic (ROC) analysis indicated that the likelihood of MBC data from Integrin α2bβ3 shedding had a predictive power of MBC in CF-LVAD patients. CONCLUSIONS Oxidative stress might play a potential role in accelerating α2bβ3 shedding and platelet dysfunction, resulting in MBC in CF-LVAD patients. Integrin α2bβ3 shedding may be used to refine bleeding risk stratification in CF-LVAD patients.
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Affiliation(s)
- Nandan K Mondal
- Department of Cardiovascular and Thoracic Surgery, Cardiovascular Innovation Institute, University of Louisville School of Medicine, Louisville, KY, United States; Department of Surgery, Artificial Organs Laboratory, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Zengsheng Chen
- Department of Cardiovascular and Thoracic Surgery, Cardiovascular Innovation Institute, University of Louisville School of Medicine, Louisville, KY, United States; Department of Surgery, Artificial Organs Laboratory, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Jaimin R Trivedi
- Department of Cardiovascular and Thoracic Surgery, Cardiovascular Innovation Institute, University of Louisville School of Medicine, Louisville, KY, United States
| | - Erik N Sorensen
- Department of Clinical Engineering, University of Maryland Medical Center, Baltimore, MD, United States
| | - Si M Pham
- Department of Surgery, Artificial Organs Laboratory, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Mark S Slaughter
- Department of Cardiovascular and Thoracic Surgery, Cardiovascular Innovation Institute, University of Louisville School of Medicine, Louisville, KY, United States
| | - Bartley P Griffith
- Department of Surgery, Artificial Organs Laboratory, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Zhongjun J Wu
- Department of Cardiovascular and Thoracic Surgery, Cardiovascular Innovation Institute, University of Louisville School of Medicine, Louisville, KY, United States; Department of Surgery, Artificial Organs Laboratory, University of Maryland School of Medicine, Baltimore, MD, United States.
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Abstract
Ex vivo production of human platelets has been pursued as an alternative measure to resolve limitations in the supply and safety of current platelet transfusion products. To this end, induced pluripotent stem cells (iPSCs) are considered an ideal global source, as they are not only pluripotent and self-renewing, but are also available from basically any person, have relatively few ethical issues, and are easy to manipulate. From human iPSCs, megakaryocyte (MK) lines with robust proliferation capacity have been established by the introduction of specified sets of genes. These expandable MKs are also cryopreservable and thus would be suitable as master cells for good manufacturing practice (GMP)-grade production of platelets, assuring availability on demand and safety against blood-borne infections. Meanwhile, developments in bioreactors that physically mimic the in vivo environment and discovery of substances that promote thrombopoiesis have yielded competent platelets with improved efficiency. The derivation of platelets from iPSCs could further resolve transfusion-related alloimmune complications through the manufacturing of autologous products and human leukocyte antigen (HLA)-compatible platelets from stocked homologous HLA-type iPSC libraries or by manipulation of HLAs and human platelet antigens (HPAs). Considering these key advances in the field, HLA-deleted platelets could become a universal product that is manufactured at industrial level to safely fulfill almost all demands. In this review, we provide an overview of the ex vivo production of iPSC-derived platelets toward clinical applications, a production that would revolutionize the blood transfusion system and lead the field of iPSC-based regenerative medicine.
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Affiliation(s)
- N Sugimoto
- Department of Clinical Application, Center for iPS Cell Research and Application, Kyoto University, Kyoto, Japan
| | - K Eto
- Department of Clinical Application, Center for iPS Cell Research and Application, Kyoto University, Kyoto, Japan
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45
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Stivala S, Gobbato S, Infanti L, Reiner MF, Bonetti N, Meyer SC, Camici GG, Lüscher TF, Buser A, Beer JH. Amotosalen/ultraviolet A pathogen inactivation technology reduces platelet activatability, induces apoptosis and accelerates clearance. Haematologica 2017; 102:1650-1660. [PMID: 28729303 PMCID: PMC5622849 DOI: 10.3324/haematol.2017.164137] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Accepted: 07/13/2017] [Indexed: 01/03/2023] Open
Abstract
Amotosalen and ultraviolet A (UVA) photochemical-based pathogen reduction using the Intercept™ Blood System (IBS) is an effective and established technology for platelet and plasma components, which is adopted in more than 40 countries worldwide. Several reports point towards a reduced platelet function after Amotosalen/UVA exposure. The study herein was undertaken to identify the mechanisms responsible for the early impairment of platelet function by the IBS. Twenty-five platelet apheresis units were collected from healthy volunteers following standard procedures and split into 2 components, 1 untreated and the other treated with Amotosalen/UVA. Platelet impedance aggregation in response to collagen and thrombin was reduced by 80% and 60%, respectively, in IBS-treated units at day 1 of storage. Glycoprotein Ib (GpIb) levels were significantly lower in IBS samples and soluble glycocalicin correspondingly augmented; furthermore, GpIbα was significantly more desialylated as shown by Erythrina Cristagalli Lectin (ECL) binding. The pro-apoptotic Bak protein was significantly increased, as well as the MAPK p38 phosphorylation and caspase-3 cleavage. Stored IBS-treated platelets injected into immune-deficient nonobese diabetic/severe combined immunodeficiency (NOD/SCID) mice showed a faster clearance. We conclude that the IBS induces platelet p38 activation, GpIb shedding and platelet apoptosis through a caspase-dependent mechanism, thus reducing platelet function and survival. These mechanisms are of relevance in transfusion medicine, where the IBS increases patient safety at the expense of platelet function and survival.
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Affiliation(s)
- Simona Stivala
- Laboratory for Platelet Research, Center for Molecular Cardiology, University of Zurich, Switzerland.,Department of Internal Medicine, Cantonal Hospital Baden, Switzerland
| | - Sara Gobbato
- Laboratory for Platelet Research, Center for Molecular Cardiology, University of Zurich, Switzerland.,Department of Internal Medicine, Cantonal Hospital Baden, Switzerland
| | - Laura Infanti
- Regional Blood Transfusion Service of the Swiss Red Cross, Basel, Switzerland
| | - Martin F Reiner
- Laboratory for Platelet Research, Center for Molecular Cardiology, University of Zurich, Switzerland.,Department of Internal Medicine, Cantonal Hospital Baden, Switzerland
| | - Nicole Bonetti
- Laboratory for Platelet Research, Center for Molecular Cardiology, University of Zurich, Switzerland.,Department of Internal Medicine, Cantonal Hospital Baden, Switzerland
| | - Sara C Meyer
- Division of Hematology and Department of Biomedicine, University Hospital Basel, Switzerland
| | | | - Thomas F Lüscher
- Department of Cardiology, University Heart Center, University Hospital Zurich, Switzerland
| | - Andreas Buser
- Regional Blood Transfusion Service of the Swiss Red Cross, Basel, Switzerland
| | - Jürg H Beer
- Laboratory for Platelet Research, Center for Molecular Cardiology, University of Zurich, Switzerland .,Department of Internal Medicine, Cantonal Hospital Baden, Switzerland
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Mishra HK, Ma J, Walcheck B. Ectodomain Shedding by ADAM17: Its Role in Neutrophil Recruitment and the Impairment of This Process during Sepsis. Front Cell Infect Microbiol 2017; 7:138. [PMID: 28487846 PMCID: PMC5403810 DOI: 10.3389/fcimb.2017.00138] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Accepted: 04/04/2017] [Indexed: 12/13/2022] Open
Abstract
Neutrophils are specialized at killing bacteria and are recruited from the blood in a rapid and robust manner during infection. A cascade of adhesion events direct their attachment to the vascular endothelium and migration into the underlying tissue. A disintegrin and metalloproteinase 17 (ADAM17) functions in the cell membrane of neutrophils and endothelial cells by cleaving its substrates, typically in a cis manner, at an extracellular site proximal to the cell membrane. This process is referred to as ectodomain shedding and it results in the downregulation of various adhesion molecules and receptors, and the release of immune regulating factors. ADAM17 sheddase activity is induced upon cell activation and rapidly modulates intravascular adhesion events in response to diverse environmental stimuli. During sepsis, an excessive systemic inflammatory response against infection, neutrophil migration becomes severely impaired. This involves ADAM17 as indicated by increased levels of its cleaved substrates in the blood of septic patients, and that ADAM17 inactivation improves neutrophil recruitment and bacterial clearance in animal models of sepsis. Excessive ADAM17 sheddase activity during sepsis thus appears to undermine in a direct and indirect manner the necessary balance between intravascular adhesion and de-adhesion events that regulate neutrophil migration into sites of infection. This review provides an overview of ADAM17 function and regulation and its potential contribution to neutrophil dysfunction during sepsis.
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Affiliation(s)
- Hemant K Mishra
- Department of Veterinary and Biomedical Sciences, University of MinnesotaSt. Paul, MN, USA
| | - Jing Ma
- Department of Veterinary and Biomedical Sciences, University of MinnesotaSt. Paul, MN, USA
| | - Bruce Walcheck
- Department of Veterinary and Biomedical Sciences, University of MinnesotaSt. Paul, MN, USA
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47
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Redox Proteomics and Platelet Activation: Understanding the Redox Proteome to Improve Platelet Quality for Transfusion. Int J Mol Sci 2017; 18:ijms18020387. [PMID: 28208668 PMCID: PMC5343922 DOI: 10.3390/ijms18020387] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Revised: 01/27/2017] [Accepted: 02/07/2017] [Indexed: 12/13/2022] Open
Abstract
Blood banks use pathogen inactivation (PI) technologies to increase the safety of platelet concentrates (PCs). The characteristics of PI-treated PCs slightly differ from those of untreated PCs, but the underlying reasons are not well understood. One possible cause is the generation of oxidative stress during the PI process. This is of great interest since reactive oxygen species (ROS) act as second messengers in platelet functions. Furthermore, there are links between protein oxidation and phosphorylation, another mechanism that is critical for cell regulation. Current research efforts focus on understanding the underlying mechanisms and identifying new target proteins. Proteomics technologies represent powerful tools for investigating signaling pathways involving ROS and post-translational modifications such as phosphorylation, while quantitative techniques enable the comparison of the platelet resting state versus the stimulated state. In particular, redox cysteine is a key player in platelet activation upon stimulation by different agonists. This review highlights the experiments that have provided insights into the roles of ROS in platelet function and the implications for platelet transfusion, and potentially in diseases such as inflammation and platelet hyperactivity. The review also describes the implication of redox mechanism in platelet storage considerations.
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48
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Hirata S, Murata T, Suzuki D, Nakamura S, Jono‐Ohnishi R, Hirose H, Sawaguchi A, Nishimura S, Sugimoto N, Eto K. Selective Inhibition of ADAM17 Efficiently Mediates Glycoprotein Ibα Retention During Ex Vivo Generation of Human Induced Pluripotent Stem Cell-Derived Platelets. Stem Cells Transl Med 2016; 6:720-730. [PMID: 28297575 PMCID: PMC5442763 DOI: 10.5966/sctm.2016-0104] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Accepted: 09/01/2016] [Indexed: 12/17/2022] Open
Abstract
Donor‐independent platelet concentrates for transfusion can be produced in vitro from induced pluripotent stem cells (iPSCs). However, culture at 37°C induces ectodomain shedding on platelets of glycoprotein Ibα (GPIbα), the von Willebrand factor receptor critical for adhesive function and platelet lifetime in vivo, through temperature‐dependent activation of a disintegrin and metalloproteinase 17 (ADAM17). The shedding can be suppressed by using inhibitors of panmetalloproteinases and possibly of the upstream regulator p38 mitogen‐activated protein kinase (p38 MAPK), but residues of these inhibitors in the final platelet products may be accompanied by harmful risks that prevent clinical application. Here, we optimized the culture conditions for generating human iPSC‐derived GPIbα+ platelets, focusing on culture temperature and additives, by comparing a new and safe selective ADAM17 inhibitor, KP‐457, with previous inhibitors. Because cultivation at 24°C (at which conventional platelet concentrates are stored) markedly diminished the yield of platelets with high expression of platelet receptors, 37°C was requisite for normal platelet production from iPSCs. KP‐457 blocked GPIbα shedding from iPSC platelets at a lower half‐maximal inhibitory concentration than panmetalloproteinase inhibitor GM‐6001, whereas p38 MAPK inhibitors did not. iPSC platelets generated in the presence of KP‐457 exhibited improved GPIbα‐dependent aggregation not inferior to human fresh platelets. A thrombus formation model using immunodeficient mice after platelet transfusion revealed that iPSC platelets generated with KP‐457 exerted better hemostatic function in vivo. Our findings suggest that KP‐457, unlike GM‐6001 or p38 MAPK inhibitors, effectively enhances the production of functional human iPSC‐derived platelets at 37°C, which is an important step toward their clinical application. Stem Cells Translational Medicine2017;6:720–730
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Affiliation(s)
- Shinji Hirata
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
- Kaken Pharmaceutical Co., Ltd., Tokyo, Japan
| | | | - Daisuke Suzuki
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Sou Nakamura
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Ryoko Jono‐Ohnishi
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Hidenori Hirose
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
- Kyoto Development Center, Megakaryon Co., Ltd., Kyoto, Japan
| | - Akira Sawaguchi
- Department of Anatomy, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
| | - Satoshi Nishimura
- Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
| | - Naoshi Sugimoto
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Koji Eto
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
- Department of Innovation Stem Cell Therapy, Chiba University Graduate School of Medicine, Chiba, Japan
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Au AE, Josefsson EC. Regulation of platelet membrane protein shedding in health and disease. Platelets 2016; 28:342-353. [PMID: 27494300 DOI: 10.1080/09537104.2016.1203401] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Extracellular proteolysis of platelet plasma membrane proteins is an event that ensues platelet activation. Shedding of surface receptors such as glycoprotein (GP) Ibα, GPV and GPVI as well as externalized proteins P-selectin and CD40L releases soluble ectodomain fragments that are subsequently detectable in plasma. This results in the irreversible functional downregulation of platelet receptor-mediated adhesive interactions and the generation of biologically active fragments. In this review, we describe molecular insights into the regulation of platelet receptor and ligand shedding in health and disease. The scope of this review is specially focused on GPIbα, GPV, GPVI, P-selectin and CD40L where we: (1) describe the basic physiological regulation of expression and shedding of these proteins in hemostasis illustrate alterations in receptor expression during (2) apoptosis and (3) ex vivo storage relevant for blood banking purposes; (4) discuss considerations to be made when analyzing and interpreting shedding of platelet membrane proteins and finally; (5) collate clinical evidence that quantify these platelet proteins during disease.
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Affiliation(s)
- Amanda E Au
- a The Walter and Eliza Hall Institute of Medical Research, Cancer & Haematology Division , 1G Royal Parade, Melbourne , Australia.,b Department of Medical Biology , The University of Melbourne , Melbourne , Australia
| | - Emma C Josefsson
- a The Walter and Eliza Hall Institute of Medical Research, Cancer & Haematology Division , 1G Royal Parade, Melbourne , Australia.,b Department of Medical Biology , The University of Melbourne , Melbourne , Australia
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50
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Kamhieh-Milz J, Mustafa SA, Sterzer V, Celik H, Keski S, Khorramshahi O, Movassaghi K, Hoheisel JD, Alhamdani MSS, Salama A. Secretome profiling of apheresis platelet supernatants during routine storage via antibody-based microarray. J Proteomics 2016; 150:74-85. [PMID: 27478071 DOI: 10.1016/j.jprot.2016.07.028] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Revised: 07/25/2016] [Accepted: 07/27/2016] [Indexed: 02/07/2023]
Abstract
Platelet storage lesions (PSLs) occur during platelet concentrate (PC) storage. Adverse transfusion reactions (ATRs) have been demonstrated to be more frequent in older PCs and removal of the supernatant prior to transfusion reduces their occurrence. Proteomic profiling of PC supernatants was thus performed to identify proteins associated with PSLs and ATRs. Twenty-four PCs were investigated daily from day 0 to day 9 for platelet pre-activation (PPA), platelet-derived extracellular vesicles (PEVs), and platelet function. Using antibody microarrays, 673 extracellular proteins were analysed in PC supernatants on days 0, 3, 5, 7, and 9. During 5days of storage, PPA and PEVs continuously increased (P<0.0001). Platelet function was observed to remain stable within the first 5days (P=0.1751) and decreased thereafter. Comparison of all time points to day 0 revealed the identification of 136 proteins that were significantly changed in abundance during storage, of which 72 were expressed by platelets. Network analysis identified these proteins to be predominantly associated with exosomes (P=4.61×10-8, n=45 genes) and two clusters with distinct functions were found with one being associated with haemostasis and the other with RNA binding. These findings may provide an explanation for ATRs. SIGNIFICANCE Changes in platelet concentrate (PC) supernatants during storage have been so far only poorly addressed and high abundant proteins burden the identification of quantitative changes in the secretome. We applied a high-throughput antibody microarray allowing for the sensitive quantification of 673 extracellular factors. PCs account for the highest number of adverse transfusion reactions (ATRs). ATRs have been demonstrated to be more frequent in older PCs and removal of the supernatant prior to transfusion reduces their occurrence. Comprehensive interpretation of the changing proteins in the secretome during platelet storage under blood banking conditions may help to identify mechanisms leading to the occurrence of adverse transfusion reactions.
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Affiliation(s)
- Julian Kamhieh-Milz
- Institute of Transfusion Medicine, Charité University Medicine Berlin, Augustenburger Platz 1, 13349 Berlin, Germany.
| | - Shakhawan A Mustafa
- Division of Functional Genome Analysis, Deutsches Krebsforschungszentrum (DKFZ), Im Neuenheimer Feld 280, 69120 Heidelberg, Germany; Kurdistan Institution for Strategic Studies and Scientific Research, Gullabax 335, Shorsh St., Sulaimani, Kurdistan Region, Iraq
| | - Viktor Sterzer
- Institute of Transfusion Medicine, Charité University Medicine Berlin, Augustenburger Platz 1, 13349 Berlin, Germany
| | - Hatice Celik
- Institute of Transfusion Medicine, Charité University Medicine Berlin, Augustenburger Platz 1, 13349 Berlin, Germany
| | - Sahime Keski
- Institute of Transfusion Medicine, Charité University Medicine Berlin, Augustenburger Platz 1, 13349 Berlin, Germany
| | - Omid Khorramshahi
- Institute of Transfusion Medicine, Charité University Medicine Berlin, Augustenburger Platz 1, 13349 Berlin, Germany
| | - Kamran Movassaghi
- Institute of Transfusion Medicine, Charité University Medicine Berlin, Augustenburger Platz 1, 13349 Berlin, Germany
| | - Jörg D Hoheisel
- Division of Functional Genome Analysis, Deutsches Krebsforschungszentrum (DKFZ), Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
| | - Mohamed S S Alhamdani
- Division of Functional Genome Analysis, Deutsches Krebsforschungszentrum (DKFZ), Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
| | - Abdulgabar Salama
- Institute of Transfusion Medicine, Charité University Medicine Berlin, Augustenburger Platz 1, 13349 Berlin, Germany
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