Cloned human IL 1ra (IL 1 receptor antagonist, IL 1ra) cDNA is inserted into pHSVLac, resulting in recombinant named pHSV IL 1ra. pHSVLac and pHSV IL 1ra were packaged into HSV 1 particles using HSV 1 ts K as helper v...Cloned human IL 1ra (IL 1 receptor antagonist, IL 1ra) cDNA is inserted into pHSVLac, resulting in recombinant named pHSV IL 1ra. pHSVLac and pHSV IL 1ra were packaged into HSV 1 particles using HSV 1 ts K as helper virus. The results showed that: (i) vero cell infected by pHSV IL 1ra particles showed IL 1ra expression; expression of β galactosidase is observed in meninges and some neurons closed to ventricular and maintained for 8 weeks in rats after intracerebroventricular injection of pHSV IL 1ra particles; (ii) transgenic expression of IL 1ra by pHSV IL 1ra injection significantly inhibited seizure attacks of P77PMC rat. These studies indicate that HSV 1 vector expressing IL 1ra in brain attenuated seizure attacks of P77PMC rat.展开更多
文摘Cloned human IL 1ra (IL 1 receptor antagonist, IL 1ra) cDNA is inserted into pHSVLac, resulting in recombinant named pHSV IL 1ra. pHSVLac and pHSV IL 1ra were packaged into HSV 1 particles using HSV 1 ts K as helper virus. The results showed that: (i) vero cell infected by pHSV IL 1ra particles showed IL 1ra expression; expression of β galactosidase is observed in meninges and some neurons closed to ventricular and maintained for 8 weeks in rats after intracerebroventricular injection of pHSV IL 1ra particles; (ii) transgenic expression of IL 1ra by pHSV IL 1ra injection significantly inhibited seizure attacks of P77PMC rat. These studies indicate that HSV 1 vector expressing IL 1ra in brain attenuated seizure attacks of P77PMC rat.