作者: Hideo Inoue , Makoto Kakitani , Toshifumi Mikayama , Toshihiko Kadoya
DOI:
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摘要: Disclosed are PEG-modified "interleukin-6" derivatives (PEG-IL-6) having an extended plasma half-life, as well enhanced in vivo IL-6 biological activities. Methods for producing the modified glycosylated and unglycosylated proteins or polypeptides, as, their use treating hematopoietic disorders difficiencies, particularly acute thrombocytopenia, also disclosed. The PEG is example form of formula: (see formula 1) (wherein n m each integer 7 to 600, R1 R2 lower alkyl).