目的 探討豬-猴異種血管移植超急性排斥反應(yīng)(HAR)的機理。
方法 豬股靜脈原位異種移植于恒河猴,發(fā)生HAR后通過免疫組化檢測移植血管IgG、IgM、C3及C4的沉積。
結(jié)果 大量IgM、C3和C4沉積于移植靜脈內(nèi)皮,未發(fā)現(xiàn)IgG沉積于移植血管內(nèi)皮。
結(jié)論 豬-猴異種移植HAR是由異種自然抗體IgM與異抗原特異結(jié)合啟動,進而以經(jīng)典途徑激活補體系統(tǒng)而發(fā)生。
引用本文: 文軍,陳耿臻,沈文律. 豬-猴異種血管移植免疫反應(yīng)初探. 中國普外基礎(chǔ)與臨床雜志, 2001, 8(4): 218-219. doi: 復制
版權(quán)信息: ?四川大學華西醫(yī)院華西期刊社《中國普外基礎(chǔ)與臨床雜志》版權(quán)所有,未經(jīng)授權(quán)不得轉(zhuǎn)載、改編
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- 3. Lawson JH, Platt JL. Molecular barriers to xenotransplantation〔J〕. Transplantation, 1996; 62(2)∶303.
- 4. Miyagawa S, Hirose H, Shirakura R, et al. The mechanism of discordant xenograft rejection 〔J〕. Transplantation, 1988; 46(3)∶825.
- 5. Dalmasso AP, Vercellotti GM, Fishel RJ, et al. Mechanism of complement activation in the hyperacute rejection of porcine organs transplanted into primate recipients 〔J〕. Am Pathology, 1992; 140(6)∶1157.
- 6. Zhao Z, Termignon JL, Cardoso J, et al. Hyperacute xenograft rejection in the swinetohuman donorrecipient combination 〔J〕. Transplantation, 1994; 57(2)∶245.