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Effect of intraperitoneal injection of hydrogen and hydrogen-rich saline in neonatal rats with hyperoxia-induced lung injury / 重庆医学
Chongqing Medicine ; (36): 3466-3469, 2017.
Article in Chinese | WPRIM | ID: wpr-614952
ABSTRACT
Objective To observe and comparatively analysize the effect of intraperitoneal injection of hydrogen and hydrogen-rich saline in neonatal rats with hyperoxia-induced lung injury.Methods Sprague-Dawley(SD) newborn rats were randomly divided into six groups(n=10).air group(A),air+ hydrogen-rich saline group(B),air+hydrogen group(C),hyperoxia group(D),hyperoxia+hydrogen-rich saline group (E) and hyperoxia+ hydrogen group(F).The group A,B and C were exposed to air and group D,E and F were exposed to 95 % oxygen.The group B and E were intraperitoneally injected with hydrogen-rich saline (10 mL/kg,twice daily),while the groups C and F with hydrogen (10 mL/kg,twice daily).The group A and D were injected with normal saline(10 mL/kg,twice daily).Lung tissue and serum samples were collected on 15 d of experiment.The pathological changes of lung tissue and radiate alveoli count (RAC) were observed by HE staining.The content of HYP in lung tissue was detected by the alkaline hydrolysis method,serum SOD and MDA levels were measured.The expression of α-SMA in lung tissue was detected by immunohistochemistry SP method.Results Compared with the A group,RAC and SOD activities in the D group were significantly decreased,while the HYP and MDA levels and α-SMA expression were significantly increased.Hydrogen intervention could significantly alleviate these changes caused by hyperoxia.while intraperitoneal injection of hydrogen got better effect than intraperitoneal injection of hydrogen-rich saline.Conclusion Hydrogen can extenuate the indexes of hyperoxia-induced lung oxidative damage,impairment development and fibrosis to a certain extent.Intraperitoneal injection of hydrogen has slightly better effect than hydrogen-rich saline.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chongqing Medicine Year: 2017 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chongqing Medicine Year: 2017 Type: Article