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Apples are consumed lavishly worldwide, while demand is increasing for the management of the huge apple-waste amounts that lead to significant disposal costs and ecological issues. Additionally, apples represent fruits with several bioactive constituents, which are key factors in a healthy, balanced diet. In the present study, an extensive review is presented regarding the bioactive compounds of an apple processing by-product, namely apple pomace, mentioning their significance as viable ingredients/substances in foods and cosmetics aiming at chronic disease prevention and health promotion.

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Factor XI inhibitors - Rising stars in anti-thrombotic therapy?

J Neurol Sci

September 2024

Department of Neurology with Experimental Neurology, Charité-Universitätsmedizin Berlin, Berlin, Germany; Center for Stroke Research Berlin (CSB), Berlin, Germany; Berlin Institute of Health (BiH), Berlin, Germany; German Center for cardiovascular Research (DZHK), Berlin, Germany. Electronic address:

The "holy grail" of preventing and treating thrombosis and thromboembolism would be a drug that was highly effective (preventing clots) and at the same time had a low risk of bleeding. From a hemostasiological perspective, the inhibition of factor XI represents a promising target because a reduced level of factor XI protects against thrombosis without significantly increasing the risk of spontaneous bleeding. Currently, three different classes of drugs of factor XI-inhibition are tested.

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Natural and synthetic colorants present in food can modulate hemostasis, which includes the coagulation process and blood platelet activation. Some colorants have cardioprotective activity as well. However, the effect of genipin (a natural blue colorant) and synthetic blue colorants (including patent blue V and brilliant blue FCF) on hemostasis is not clear.

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Development of New Peptidomimetic NADPH Oxidase Inhibitors with Antithrombotic Properties.

ChemMedChem

October 2024

Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 13, 50019, Sesto Fiorentino, Florence, Italy.

The ability of synthetic peptides inhibitors of NOX1 to effectively block the production of ROS by the enzyme was studied with different methodologies. Specifically, taking advantage of our understanding of the active epitope of the regulatory NOX1 subunit NOXA1 as a potent inhibitor of NOX1-derived O⋅ formation, a panel of peptidomimetic derivatives of this peptide were designed and synthesized with the aim of improving their activity and increasing their stability in plasma. The results highlighted that improved efficacy and potency was found for both the peptide-peptoid hybrid GS2, whereas stapled peptide AC5 and its precursor showed higher stability despite lower biological potency.

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The phenyl(piperidin-4-yl)methanone fragment (here referred to as the benzoylpiperidine fragment) is a privileged structure in the development of new drugs considering its presence in many bioactive small molecules with both therapeutic (such as anti-cancer, anti-psychotic, anti-thrombotic, anti-arrhythmic, anti-tubercular, anti-parasitic, anti-diabetic, and neuroprotective agents) and diagnostic properties. The benzoylpiperidine fragment is metabolically stable, and it is also considered a potential bioisostere of the piperazine ring, thus making it a feasible and reliable chemical frame to be exploited in drug design. Herein, we discuss the main therapeutic and diagnostic agents presenting the benzoylpiperidine motif in their structure, covering articles reported in the literature since 2000.

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