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Bratislava Medical Journal Vol.115, No.10, p.607-610, 2014 |
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Title: Primary and secondary thrombocytosis induced by exercise and environmental luminosity | ||
Author: W. R. Beck, P. P. Menezes Scariot, C. A. Gobatto | ||
Abstract: We investigated the exercise and different environmental luminosities effects on blood platelets count in order to identify primary and secondary thrombocytosis, respectively. Methods: Forty rats were exposed to standard (SI) or experimental (EI) illumination from 45 days-old. Both groups were exposed to 12 h daylight (2700 K; 565–590 nm; < 60 lux; from 06:00 h to 18:00 h). During dark period SI animals were kept in total darkness while EI remained under red light (> 600 nm, < 15 lux). At 92 days-old, exercised animals were submitted to an acute bout of swimming at individualized intensity and control animals remained at rest. Blood samples were collected immediately after the exercise for platelets count, which were among 849000 ± 115817 and 1085600 ± 177089/mm³ of blood. Exercise (F = 6.91; p = 0.01) and EI (F = 6.66; p = 0.01) increased platelets count, showing no interaction between effects (F = 0.01; p = 0.89). |
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Keywords: thrombocytosis, platelets, exercise, animal model, environmental luminosity. | ||
Year: 2014, Volume: 115, Issue: 10 | Page From: 607, Page To: 610 | |
doi:10.4149/BLL_2014_117 |
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