Abstract:
:The present study was to investigate the protective effects of salvianolic acids (SA) on deformability of red blood cells (RBCs) and its mechanism during the development of acute lung injury (ALI) induced by oleic acid (OA) in rabbits. 32 rabbits were randomized into four groups, normal control group, OA-treated group (0.15 ml/kg), SA-treated group and OA+SA treated group. The blood samples were collected at 0, 10, 30, 60, 90, 120 and 180 min after OA injection. The RBC deformation index, Orientation index and small deformation index were measured by ektacytometry. The concentration of malondialdehyde (MDA) in RBCs was detected by the assay kit. Meanwhile, the pulmonary pathological examination and the blood gas analysis were also performed. The results showed that the deformation index, orientation index and small deformation index decreased during the early phase of ALI, while the concentration of MDA in RBCs increased during the course. Pre-treatment with SA increased the deformability and orientability of RBC significantly and decreased the concentration of MDA in RBCs compared with OA group. Meanwhile, the hypoxia and pulmonary pathological damage were much improved. These results suggest that there were erythrocyte deformability changes in the early phase of ALI. SA has the protective effects on erythrocyte deformability during the development of ALI induced by OA, which might be due to its antioxidant effect. These results are valid in rabbits and in a model of ARDS, it would be interesting to see the effects of SA in patients.
journal_name
Clin Hemorheol Microcircjournal_title
Clinical hemorheology and microcirculationauthors
Xing JJ,Chen X,Tu PF,Jiang Y,Zhao JYsubject
Has Abstractpub_date
2006-01-01 00:00:00pages
507-17issue
4eissn
1386-0291issn
1875-8622journal_volume
34pub_type
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