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Effect of Postasphyxial-Serum in Neonate on Expression of Omi/HtrA2 in Renal Tubular Cells / 实用儿科临床杂志
Journal of Applied Clinical Pediatrics ; (24)1992.
Article in Chinese | WPRIM | ID: wpr-639565
ABSTRACT
Objective To explore the effect of postasphyxial-serum in neonate on expression of serine protease Omi/HtrA2 in renal tubular cells(HK-2).Methods Human renal proximal tubular cell line HK-2 cell was used as target cell.The cultural cells in orifice were divided into control group and asphyxia-serum attacking group.Blood was cowected from asphyxia newborns by means of femoral venous puncture,then the serum was garthered,anticoagulated by liquemie,3 000 r/min centrifuged 20 min,abstracted serum,thermostatic waterbathed the serum at 56 ℃,so that to inactivate addiment,filtered germ by micropore filte,the attacking concentrtion of serum was 200 mL/L,the cells of the asphyxia-serum attacking group were attacked by asphyxia-serum,and the cells of control group were cultivated with normal nutritive medium when the cells was needed.After 24 hours,the cells were tixed,then the expression of Omi/HtrA2 in cytoplast was detected by the use of immunohistochemical method.Results Omi/HtrA2 was inaurate or yellow brown and localized to the cytoplast.The rate of the cell expressed Omi/HtrA2 was(9.0?2.5)% in control group,after stimulated with postasphyxial-serum,in asphyxia group the rate of the cell expressed Omi/HtrA2 was(25.15?3.5)%,there was significant difference between 2 groups(t=-15.322 P

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Applied Clinical Pediatrics Year: 1992 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Applied Clinical Pediatrics Year: 1992 Type: Article