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Article in Chinese | WPRIM | ID: wpr-602246


Objective To investigate Feining granule on prevention and treatment of rat with radiation-induced lung injur ( RILI) and its effect on cytokine transforming growth factor-β1(TGF-β1), interleukin-1 (IL-1), interleukin-6 (IL-6).Methods 105 SD female rats were selected, according to random number table, and divided into seven groups: normal group, model group, dexamethasone group(positive drug), Feining granule low-dose group (FN low-dose group), FN medial-dose group, FN high-dose group and FN prevention group, 15 rats in each group.Except for normal group, all remaining groups received the X-ray irradiation of 15Gy, DT30Gy/2f/1w.FN prevention group were intragastric infused with FN granule one week before irradiation, and the other groups 48 h after irradiation.Five rats were sacrificed randomly at 2, 4, 6 weeks respectively, and right lung tissues were taken out.The contents of TGF-β1, IL-1 and IL-6 were detected by immunohistochemical method.ResuIts TGF-β1, IL-1 and IL-6 contents in lung tissue of model group at 2, 4, 6 weeks were higher than those of normal group (P<0.05).The above indicators after treated by Feining granule were lower than those of model group at each time (P<0.05),with a concentration-dependence manner to some extent.The above indicators in FN high-, medial-and low-dose group were higher than those in dexamethasone group (P<0.05), to some extent.However, the above indicators in FN prevention group were lower than those in dexamethasone group ( P<0.05 ) .ConcIusion Feining granule could prevent and cure radiation induced lung injury through decreasing TGF-β1, IL-1 and IL-6 content.The efficacy of dexamethasone is stronger than FN treatment groups, but is weaker than FN prevention.