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Research Progress of Platelet Metabolism in Regulating Platelet Function and Thrombosis

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Pathology, Diagnostics, and Therapeutics".

Deadline for manuscript submissions: closed (31 August 2022) | Viewed by 4722

Special Issue Editors


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Guest Editor
Department of Internal Medicine, University of Iowa, Iowa City, IA, USA
Interests: Platelet metabolism; arterial thrombosis; deep vein thrombosis; cardiovascular biology; cell signaling

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Guest Editor
Department of Pharmacy, College of Pharmacy, Chungbuk National University, Cheongju, Republic of Korea
Interests: cardiovascular disease; atherosclerosis; vascular endothelial inflammation; blood flow shear stress; microRNA

Special Issue Information

Dear Colleagues, 

The main causes of mortality and morbidity are acute coronary syndrome and stroke, whichresult in immense health and economic burden. The current strategies to prevent acute coronary syndrome and ischemic stroke in at-risk patients depend on antiplatelet drugs (e.g., aspirin, P2Y12 inhibitors), which do not translate into clinical efficacy in one-third of patients. Other potent antiplatelet agents such as glycoprotein IIb/IIIa inhibitors (e.g., abciximab) are associated with bleeding complications and are not suitable for long-term use. Therefore, understanding the cellular mechanism that regulates platelet activation and thrombosis is of considerable importance. Recently, metabolic pathways are increasingly being recognized as potential targets for therapeutic interventions. Although bioenergetic profile studies performed in platelets suggest the existence of metabolic plasticity, very little is known about the mechanistic role of cellular metabolism in platelet function. A recent report showed that platelet metabolic (glycolytic) enzyme can modulate platelet function and thrombosis without altering hemostasis. Thus, targeting different enzymes of metabolic pathways and metabolites of platelets and different cells (neutrophil, monocytes, and endothelial cells) that take part in development of thrombosis could be a potential future goal for antithrombotic therapeutic intervention.

This Special Issue is devoted to discussing new insights into thrombosis, influenced by platelet metabolism or different platelet metabolic enzymes or metabolites. This issue also includes mechanistic insights about platelet lifespan/aging and its metabolism, platelet metabolism during storage, and the effect of temperature on platelet metabolism.

Dr. Manasa K. Nayak
Dr. Dong Ju Son
Guest Editors

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Keywords

  • thrombosis
  • platelet metabolism
  • metabolic enzymes
  • anti-platelet drugs
  • anti-thrombotic drugs
  • metabolic plasticity
  • hemostasis
  • cardiovascular disease
  • platelet lifespan/aging
  • platelet metabolism during storage

Published Papers (2 papers)

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Research

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15 pages, 5400 KiB  
Article
Modulation of ATP Production Influences Inorganic Polyphosphate Levels in Non-Athletes’ Platelets at the Resting State
by Takashi Ushiki, Tomoharu Mochizuki, Katsuya Suzuki, Masami Kamimura, Hajime Ishiguro, Tatsuya Suwabe and Tomoyuki Kawase
Int. J. Mol. Sci. 2022, 23(19), 11293; https://doi.org/10.3390/ijms231911293 - 25 Sep 2022
Cited by 6 | Viewed by 1761
Abstract
Platelets produce inorganic polyphosphate (polyP) upon activation to stimulate blood coagulation. Some researchers have linked polyP metabolism to ATP production, although the metabolic linkage is yet to be elucidated. We found evidence for this possibility in our previous study on professional athletes (versus [...] Read more.
Platelets produce inorganic polyphosphate (polyP) upon activation to stimulate blood coagulation. Some researchers have linked polyP metabolism to ATP production, although the metabolic linkage is yet to be elucidated. We found evidence for this possibility in our previous study on professional athletes (versus non-athletes), and proposed that the regulatory mechanism might be different for these two groups. To explore this aspect further, we investigated the effects of modulated ATP production on polyP levels. Blood samples were obtained from Japanese healthy, non-athletes in the presence of acid-citrate-dextrose. The platelets in the plasma were treated with oligomycin, rotenone, and GlutaMAX to modulate ATP production. PolyP level was quantified fluorometrically and visualized using 4′,6-diamidino-2-phenylindole. Correlations between polyP and ATP or NADH were then calculated. Contrary to the hypothesis, inhibitors of ATP production increased polyP levels, whereas amino acid supplementation produced the opposite effect. In general, however, polyP levels were positively correlated with ATP levels and negatively correlated with NADH levels. Since platelets are metabolically active, they exhibit high levels of ATP turnover rate. Therefore, these findings suggest that ATP may be involved in polyP production in the resting platelets of non-athletes. Full article
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14 pages, 784 KiB  
Review
Modulation of Glycoprotein VI and Its Downstream Signaling Pathways as an Antiplatelet Target
by Eduardo Fuentes
Int. J. Mol. Sci. 2022, 23(17), 9882; https://doi.org/10.3390/ijms23179882 - 31 Aug 2022
Cited by 5 | Viewed by 2289
Abstract
Antiplatelet therapy aims to reduce the risk of thrombotic events while maintaining hemostasis. A promising current approach is the inhibition of platelet glycoprotein GPVI-mediated adhesion pathways; pathways that do not involve coagulation. GPVI is a signaling receptor integral for collagen-induced platelet activation and [...] Read more.
Antiplatelet therapy aims to reduce the risk of thrombotic events while maintaining hemostasis. A promising current approach is the inhibition of platelet glycoprotein GPVI-mediated adhesion pathways; pathways that do not involve coagulation. GPVI is a signaling receptor integral for collagen-induced platelet activation and participates in the thrombus consolidation process, being a suitable target for thrombosis prevention. Considering this, the blocking or antibody-mediated depletion of GPVI is a promising antiplatelet therapy for the effective and safe treatment of thrombotic diseases without a significant risk of bleeding and impaired hemostatic plug formation. This review describes the current knowledge concerning pharmaceutical approaches to platelet GPVI modulation and its downstream signaling pathways in this context. Full article
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