用Rh(D)阳性红细胞吸收制备抗-D试剂血清

目的　解决人源Rh试剂血清制备困难 ,节约Rh阴性红细胞。方法　①将A、B型含有抗 D的 2种血浆混合 ,经过稀释中和后的血浆完全抗体效价下降到只有 2 ;②采用D抗原位点结合被完全封闭的相应ABO血型Rh(D)阳性红细胞 ,吸收中和后的抗 A、抗 B。结果　既吸收了抗 A、抗 B ,又未使抗 D效价降低 ,检测效价及特异性符合Rh抗 D试剂血清要求。结论　采用中和后再吸收的方法 ,解决了人源Rh试剂血清制备困难 ,可节约大量Rh阴性红细胞。

Preparation of anti-Rh(D) reagent serum by using Rh(D) positive erythrocyte absorption

Objective To develop a new method of preparing anti-Rh(D) reagent serum in order to help overcome the shortage of Rh(D) negative red blood cells(RBCs). Methods Anti-Rh(D) containing type A and B sera were mixed. Through dilution and neutralization, the titer of complete antibodies decreased to 2. Anti-Rh(D) saturated Rh(D)positive RBCs were prepared by adding anti-Rh(D) containing serum to Rh(D) positive RBCs so that all the Rh factors on the cells were saturated. The anti-Rh(D) saturated type A and type B RBCs were added to the mixed plasma to absorb the remaining anti-A and anti-B. Results The acquired regent sera had a high anti-Rh(D) titer with a high specificity. Conclusion Anti-Rh(D) saturated Rh(D) positive RBCs absorption after neutralization can help with the production of human origin anti-Rh(D) reagent serum and save a large amount of Rh(D) negative evythvocytes.