The present invention provides pegylated hemoglobins comprising a thiocarbamoyl-phenyl-polyethylene glycol (PEG) attached to hemoglobin, and comprising a polyethylene glycol (PEG) attached to hemoglobin by an acyl group. The invention also provides methods of preparing pegylated hemoglobins using isothiocyanato phenyl carbamate of PEG and using isothiocyanato phenyl di-PEG carbamate. The invention further provides compositions and blood substitutes comprising pegylated hemoglobins and methods of treating a subject which comprise administering to the subject blood substitutes comprising non-hypertensive pegylated hemoglobins.
本发明提供了包含
硫代
氨基甲酰基苯基聚
乙二醇(P
EG)连接到血红蛋白的聚
乙二醇化血红蛋白,以及包含通过酰基连接到血红蛋白的聚
乙二醇(P
EG)的聚
乙二醇化血红蛋白。该发明还提供了使用P
EG的异
硫氰酸苯基氨基甲酸酯和使用异
硫氰酸苯基二P
EG氨基甲酸酯制备聚
乙二醇化血红蛋白的方法。该发明还提供了包含聚
乙二醇化血红蛋白的组合物和血液替代品,以及治疗受试者的方法,包括向受试者施用包含非高血压聚
乙二醇化血红蛋白的血液替代品。