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MicroRNA-122 expression during isoniazid anti-tuberculosis drug-induced liver injury in mice / 中国药理学与毒理学杂志
Chinese Journal of Pharmacology and Toxicology ; (6): 569-574, 2014.
Article in Chinese | WPRIM | ID: wpr-455049
ABSTRACT
OBJECTlVE To study the reIationship between microRNA(miRNA)-122 and Iiver injury in-duced by anti-tubercuIosis drugs,and to discover the new biomarkers for earIy diagnosis of this type of Iiver injury. METHODS mice were given 2 mL isoniazid oraIIy at 90 mg·kg-1 . BIood and Iiver tissue sampIes were coIIected at 1,3,5,7,14,21 and 28 d after administration of isoniazid. Serum gIutamic-pyruvic transaminase( GPT)and gIutamic-oxaIoacetic transaminase( GOT)IeveIs were determined using an automatic biochemicaI anaIyzer. Cu/ Zn-superoxide dismutase( Cu/ Zn-SOD ) activity and maIondiaIdehyde( mDA)content were detected by biochemicaI method. ReaI-time qPCR was used to measure the expression of miRNA-122. RESULTS GPT and GOT IeveIs were significantIy higher at 14 and 21 d(P﹤0.05)than in the controI. Cu/ Zn-SOD began to decIine whiIe mDA began to increase after 5 d(P﹤0.05). miRNA-122,which progressiveIy decreased after administration,was reduced to the mini-mum 0.58 ±0.02 at 14 d. There were good correIations between miRNA-122 and GPT,Cu/ Zn-SOD, mDA(the correIation coefficients were -0.370,0.268,and -0.298,respectiveIy),but no correIation with GOT was observed. CONCLUSlON The tissue miRNA-122 profiIe can be used as a sensitive marker for anti-tubercuIosis drug-induced Iiver injury,which couId contribute to the earIy diagnosis of Iiver injury.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Pharmacology and Toxicology Year: 2014 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Pharmacology and Toxicology Year: 2014 Type: Article