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    • 3. 发明申请
    • SULFATION OF WNT PATHWAY PROTEINS
    • WNT途径蛋白质的硫化
    • WO2011156252A3
    • 2012-02-02
    • PCT/US2011039223
    • 2011-06-06
    • ENZO BIOCHEM INCRABBANI JOSHUADONEGAN JAMES J
    • RABBANI JOSHUADONEGAN JAMES J
    • C07K14/51C07K14/47C07K14/705C07K14/71C07K16/18C07K16/22C07K16/28
    • C07K16/22C07K14/47C07K14/51C07K14/705C07K14/71C07K2317/54C07K2317/55C07K2317/76
    • Provided is a protein comprising an antibody binding site that binds to a sulfated epitope of a Wnt pathway protein that is not Wnt5A, Wnt11, or Wnt3a. Also provided is a composition comprising an isolated, and purified Wnt pathway protein, where the protein is sulfated but not glycosylated. Additionally provided is a preparation of a Wnt pathway protein comprising at least one sulfation site and at least one glycosylation site, where all of the Wnt pathway protein in the preparation is glycosylated but not sulfated. Further provided is a composition comprising a peptide less than 75 amino acids or amino acid analogs, the peptide consisting of a fragment of a Wnt pathway protein, wherein the fragment is sulfated. A modified Wnt pathway protein comprising a sulfation site that, is not present, in the native Wnt pathway protein is also provided. Also provided is a method of detecting or quantifying a sulfated Wnt pathway protein in a preparation. Additionally, a modified Wnt pathway protein, lacking a sulfation site that, is present in the native Wnt pathway protein is provided. Also provided, is methods of treating a subject having a disease exacerbated by Wnt activation. Additionally, a method of treating a subject having a disease exacerbated by Wnt inhibition is provided.
    • 提供了包含结合不是Wnt5A,Wnt11或Wnt3a的Wnt途径蛋白的硫酸化表位的抗体结合位点的蛋白质。 还提供了包含分离的和纯化的Wnt途径蛋白质的组合物,其中蛋白质被硫酸化但不被糖基化。 另外提供了包含至少一个硫酸化位点和至少一个糖基化位点的Wnt途径蛋白质的制剂,其中所述制剂中的所有Wnt途径蛋白质被糖基化但不硫酸化。 还提供了包含小于75个氨基酸或氨基酸类似物的肽的组合物,所述肽由Wnt途径蛋白质的片段组成,其中所述片段被硫酸化。 还提供了包含未存在于天然Wnt途径蛋白中的硫酸化位点的修饰的Wnt途径蛋白。 还提供了在制剂中检测或定量硫酸化Wnt途径蛋白的方法。 另外,提供了在天然Wnt途径蛋白中存在缺乏硫酸化位点的修饰的Wnt途径蛋白。 还提供了治疗患有由Wnt活化加重的疾病的受试者的方法。 另外,提供了治疗由Wnt抑制加剧的疾病的受试者的方法。