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The effects of Zinc Protoporphyrin and Heme on the expression of HO-1 in cochlear and the change of auditory brainstem response on diffuse traumatic brain injury model of rats / 中国基层医药
Article in Chinese | WPRIM | ID: wpr-598188
Responsible library: WPRO
ABSTRACT
Objective To explore the effects of Zinc Protoporphyrin and Heme on the expression of HO-1 in cochlear and the change of auditory brainstem response on diffuse traumatic brain injury model of rats.Methods Diffuse traumatic brain injury model of rats were established and randomly divided into thirteen groups.Then auditory brainstem response examination,light microscope,immunohistochemistry technique were used to evaluate the change of auditory brainstem response and the expression of HO-1 in cochlear.Results The differences of auditory brainstem response threshold and latency of wave between the experimental and the normal control group were obvious(P<0.05).The expression of HO-1 in the control group was normal,whereas there were obvious changes of inner ear HO-1 expression in the traumatic groups.The grey value of HO-1 expression in trauma group,Znpp group and heme group was significantly associated with auditory function change(P<0.05).Conclusion There were influence of Zinc Protoporphyrin and Hemeon the inner ear HO-1 expression and the change of auditory brainstem response with diffuse traumatic brain injury model of rats.The protective effect of heme on auditory function may be associated with the increased expression of HO-1.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Primary Medicine and Pharmacy Year: 2012 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Primary Medicine and Pharmacy Year: 2012 Type: Article