ArticleZhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences2023
Protective effect of heme chloride on hypoxia-induced tissue injury in mice.
Article in Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors at 1 institution in 1 country.
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Abstract
objectivesHeme chloride (Hemin) is an in vitro purified form of natural heme and an important raw material for anti-anemia and antitumor drugs. This study aims to analyze the protective effect of Hemin on tissue damage in low-pressure oxygen chamber simulated plateau hypoxic mice, and explore its role in anti-plateau hypoxia.
methodsThirty male BALB/c mice were randomly divided into a blank group, a positive drug group (acetazolomide, 200 mg/kg), a Hemin low-dose group (15 mg/kg), a Hemin medium-dose group (30 mg/kg), and a Hemin high-dose group (60 mg/kg) with intraperitoneal injection. The anti-hypoxic activity of Hemin was explored by atmospheric closed hypoxia experiment and the optimal dose was screened. Thirty-six male BALB/c mice were randomly divided into a blank group, a hypoxia group, a positive drug group, and a Hemin high-dose group. The plasma inflammatory factor levels and oxidative stress indicators malondialdehyde (MDA), glutataione (GSH), and superoxide dismutase (SOD) levels of myocardium, brain, lung, and liver tissues were measured in different groups with hypoxia for 24 h. The degree of histopathological damage of mice was observed with HE staining. The degree of protection of Hemin against tissue hypoxia injury was detected with the hypoxia probe piperidazole.
resultsCompared with the blank group, the survival time of mice in the positive drug group, the Hemin medium-dose group, and high-dose group was significantly extended (all
conclusionsHemin has an effect of improvement on oxidative stress and inflammatory response caused by hypoxia, and has obvious protective effect on tissue damage caused by hypoxia.
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