Abstract：
:Aspirin is integral to the secondary prevention of cardiovascular disease and acts to impair the development of platelet-mediated atherothromboembolic events by irreversible inhibition of platelet cyclooxygenase-1 (COX-1). Inhibition of this enzyme prevents the synthesis of the potent pro-aggregatory prostanoid thromboxane A2. A large number of patients continue to experience atherothromboembolic events despite aspirin therapy, so-called 'aspirin treatment failure', and this is multifactorial in aetiology. Approximately 10% however do not respond appropriately to aspirin in a phenomenon known as 'aspirin resistance', which is defined by various laboratory techniques. In this review we discuss the reasons for aspirin resistance in a systematic manner, starting from prescription of the drug and ending at the level of the platelet. Poor medication adherence has been shown to be a cause of apparent aspirin resistance, and may in fact be the largest contributory factor. Also important is high platelet turnover due to underlying inflammatory processes, such as atherosclerosis and its complications, leading to faster regeneration of platelets, and hence of COX-1, at a rate that diminishes the efficacy of once daily dosing. Recent developments include the identification of platelet glycoprotein IIIa as a potential biomarker (as well as possible underlying mechanism) for aspirin resistance and the discovery of an anion efflux pump that expels intracellular aspirin from platelets. The absolute as well as relative contributions of such factors to the phenomenon of aspirin resistance are the subject of continuing research.
journal_name
Pharmacol Therjournal_title
Pharmacology & therapeuticsauthors
Floyd CN,Ferro Adoi
10.1016/j.pharmthera.2013.08.005subject
Has Abstractpub_date
2014-01-01 00:00:00pages
69-78issue
1eissn
0163-7258issn
1879-016Xpii
S0163-7258(13)00181-2journal_volume
141pub_type
杂志文章,评审abstract：:Neutrophils form an essential part of innate immunity against infection. Cancer chemotherapy-induced neutropenia (CCIN) is a condition in which the number of neutrophils in a patient's bloodstream is decreased, leading to increased susceptibility to infection. Granulocyte colony-stimulating factor (GCSF) has been the ...
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abstract：:The widespread coronavirus SARS-CoV-2 has already infected over 4 million people worldwide, with a death toll over 280,000. Current treatment of COVID-19 patients relies mainly on antiviral drugs lopinavir/ritonavir, arbidol, and remdesivir, the anti-malarial drugs hydroxychloroquine and chloroquine, and traditional C...
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journal_title：Pharmacology & therapeutics
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journal_title：Pharmacology & therapeutics
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journal_title：Pharmacology & therapeutics
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更新日期：2011-07-01 00:00:00
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journal_title：Pharmacology & therapeutics
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journal_title：Pharmacology & therapeutics
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journal_title：Pharmacology & therapeutics
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journal_title：Pharmacology & therapeutics
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journal_title：Pharmacology & therapeutics
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journal_title：Pharmacology & therapeutics
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journal_title：Pharmacology & therapeutics
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journal_title：Pharmacology & therapeutics
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journal_title：Pharmacology & therapeutics
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journal_title：Pharmacology & therapeutics
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journal_title：Pharmacology & therapeutics
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journal_title：Pharmacology & therapeutics
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更新日期：2009-07-01 00:00:00
abstract：:During the past decade, it has become evident that dopamine plays an important role in the regulation of renal function and blood pressure. Dopamine exerts its actions via a class of cell-surface receptors coupled to G-proteins that belong to the rhodopsin family. Dopamine receptors have been classified into two famil...
journal_title：Pharmacology & therapeutics
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journal_title：Pharmacology & therapeutics
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doi：10.1016/j.pharmthera.2008.08.008
更新日期：2008-11-01 00:00:00
abstract：:Changes in dNTP pools have been studied by a number of investigators, in a wide range of cell types. The in vitro pertubations in dNTP pool levels induced, in particular, by deoxynucleosides which act as allosteric modulators, are not totally consistent with current 'in vitro models' of ribonucleotide reductase functi...
journal_title：Pharmacology & therapeutics
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更新日期：1985-01-01 00:00:00
abstract：:The coronavirus disease 2019 (COVID-19) pandemic is caused by a newly emerged coronavirus (CoV) called Severe Acute Respiratory Syndrome coronavirus 2 (SARS-CoV-2). COVID-19 patients with cardiovascular disease (CVD) comorbidities have significantly increased morbidity and mortality. The use of angiotensin-converting ...
journal_title：Pharmacology & therapeutics
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doi：10.1016/j.pharmthera.2020.107628
更新日期：2020-11-01 00:00:00
