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    • 8. 发明授权
    • Modified .beta..sub.2 -microglobulin
    • 改良的β2-微球蛋白
    • US5175113A
    • 1992-12-29
    • US550919
    • 1990-03-29
    • Mogens H. NissenJesper ZeuthenFlemming S. LarsenLars ThimMogens Christensen
    • Mogens H. NissenJesper ZeuthenFlemming S. LarsenLars ThimMogens Christensen
    • A61K38/00C07K14/74C07K16/28G01N33/68
    • C07K14/70539C07K16/2833G01N33/6893A61K38/00Y10S436/804
    • Substantially pure modified .beta..sub.2 -microglobulin (m.beta..sub.2 m) of the formula I ##STR1## wherein R.sub.1 is 24-amino acid residue, with the sequence Ile-Gln-Arg-Thr-Pro-Lys-Ile-Gln-Val-Tyr-Ser-Arg-His-Pro-Ala-Glu-Asn-Gly-Lys-Ser-Asn-Phe-Leu-Asn, R.sub.2 is a 30-amino acid residue with the sequence Tyr-Val-Ser-Gly-Phe-His-Pro-Ser-Asp-Ile-Glu-Val-Asp-Leu-Leu-Lys-Asn-Gly-Glu-Arg-Ile-Gly-Lys-Val-Glu-His-Ser-Asp-Leu-Ser, R.sub.3 is a 20-amino acid residue with the sequence Trp-Ser-Phe-Tyr-Leu-Leu-Tyr-Tyr-Glu-Phe-Thr-Pro-Thr-Glu-Lys-Asp-Glu-Tyr-Ala, R.sub.4 is a 19-amino acid residue with the sequence Arg-Val-Asn-His-Val-Thr-Leu-Ser-Gln-Pro-Lys-Ile-Val-Lys-Trp-Asp-Arg-Asp-Met, X is Phe, Phe-Ser, or Phe-Ser-Lys, and Y is Asp, Lys-Asp, or Ser-Lys-Asp is disclosed. The presence of the protein in body fluids is a diagnostic and/or prognostic marker for the development of a variety of disorders such as different types of cancer and diseases involving the immune system. Also disclosed are specific anti-m.beta..sub.2 m antibodies used for the detection and quantification of m.beta..sub.2 m.
    • 其中R1是24个氨基酸残基的具有Ile-Gln-Arg-Thr-Pro-Lys-Ile-Gln-Val-Tyr序列的基本上纯的经修饰的β2-微球蛋白(mβ2m) -Ser-Arg-His-Pro-Ala-Glu-Asn-Gl y-Lys-Ser-Asn-Phe-Leu-Asn,R2是30-氨基酸残基,具有序列Tyr-Val-Ser-Gly-Phe -His-Pro-Ser-Asp-Ile-Glu-Val-Asp-Leu-Leu-Lys-Asn-Gl y-Glu-Arg-Ile-Gly-Lys-Val-Glu-His-Ser-Asp-Leu- Ser,R3是具有序列Trp-Ser-Phe-Tyr-Leu-Leu-Tyr-Tyr-Glu-Phe-Thr-Pro-Thr-Glu-Lys-Asp-Glu-Tyr- Ala,R4是序列Arg-Val-Asn-His-Val-Thr-Leu-Ser-Gln-Pro-Lys-Ile-Val-Lys-Trp-Asp-Arg-As p- Met,X是Phe,Phe-Ser或Phe-Ser-Lys,Y是Asp,Lys-Asp或Ser-Lys-Asp。 体液中蛋白质的存在是用于发展各种疾病如诊断和/或预后的标志物,例如不同类型的癌症和涉及免疫系统的疾病。 还公开了用于检测和定量m 2 m的特异性抗-mβ2m抗体。