Murine arterial thrombus induction mechanism influences subsequent thrombodynamics

Thrombosis Research
Brian Cooley

Abstract

The mechanism of thrombotic induction in experimental models can vary greatly, as can the applied evaluative measures, making comparisons among models difficult. This study comparatively evaluated the arterial thrombodynamic response among injury mechanisms. Thrombotic responses were induced in mouse carotid arteries, with subsequent intravital imaging using rhodamine-6G-labeled platelets to quantitate platelet accumulation over 30minutes. Nine induction methods were evaluated: brief pinch, temporary hard ligation, cautery/heat, needle puncture, intralumenal wire (scratch), intralumenal adventitia/collagen (2 different models), and brief exposures to either iron-based surface electrolytic injury or ferric chloride. The accumulation of platelets was variable among induction methods, with a greater response to more severe injury mechanisms, free radical injury, and exposed collagen. Temporal profiles were generated by normalizing data to peak platelet accumulation for each run; rapid platelet development and subsequent detachment were found for mechanical injuries that maintained vessel integrity (pinch and ligation injuries), with more sustained growth for more severe mechanical (wire) injury or breach of the vessel (needle punc...Continue Reading

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Citations

Aug 17, 2018·Blood Coagulation & Fibrinolysis : an International Journal in Haemostasis and Thrombosis·Bryn KastetterBrian C Cooley
May 11, 2019·American Journal of Physiology. Heart and Circulatory Physiology·Jiqiu ChenRoger J Hajjar
Jul 2, 2019·Current Opinion in Hematology·Moua Yang, Roy L Silverstein
Nov 22, 2016·Blood Advances·Lawrence F BrassTimothy J Stalker
Mar 22, 2020·Journal of Cardiovascular Development and Disease·Amanda B MatraiBrian C Cooley
Dec 20, 2016·Journal of Thrombosis and Haemostasis : JTH·J D WelshL F Brass
Oct 11, 2020·Science Advances·Xiao XuRan Mo
Mar 3, 2019·Free Radical Biology & Medicine·Moua Yang, Roy L Silverstein

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