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Gaceta médica de México
versión On-line ISSN 2696-1288versión impresa ISSN 0016-3813
Resumen
FLORES-GARCIA, Mirthala et al. Tyrame [N-(3-hydroxy-1:3:5(10)-estratrien-17β-yl)-4-hydroxy-phenethylamine], antithrombotic aminoestrogen that decreases microvesicle formation. Gac. Méd. Méx [online]. 2021, vol.157, n.6, pp.608-612. Epub 13-Dic-2021. ISSN 2696-1288. https://doi.org/10.24875/gmm.21000201.
Background:
Estrogens that are used as contraceptives or in replacement therapy are associated with an increase in the risk for developing thrombosis, mainly during the first year of treatment and in women with associated risk factors.
Objective:
To synthesize, characterize and identify the anticoagulant, antiplatelet aggregation and microvesicle-reducing effect of the new aminoestrogen Tyrame.
Material and methods:
CD1 strain mice were used, which had Tyrame (0, 1 and 2 mg/100 g) subcutaneously administered. At 24 h, a blood sample was obtained to determine whole-blood clotting time, microvesicles concentration and inhibitory effect on platelet aggregation.
Results:
Blood clotting time increased up to 1.5 times in comparison with the control. Platelet aggregation inhibition had different magnitude depending on the agonist agent employed, and was complete with collagen. Both effects had a dose-dependent relationship. The microvesicles decreased up to six times with respect to the control.
Conclusions:
Tyrame reduces platelet aggregation and microvesicle formation, which emphasizes its potential therapeutic utility as an estrogen free of thrombotic effects.
Palabras llave : Thyrame; Aminoestrogens; Thrombosis; Microvesicles.