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    • 23. 发明授权
    • WD-40 derived peptides and uses thereof
    • WD-40衍生的肽及其用途
    • US06423684B1
    • 2002-07-23
    • US08487072
    • 1995-06-07
    • Daria Mochly-RosenDorit Ron
    • Daria Mochly-RosenDorit Ron
    • A61K3816
    • C07K14/00C07K5/1024C07K14/4722C07K14/705
    • The present invention relates to a polypeptide composition effective to alter the activity of a first protein that interacts with a second protein, where the second protein contains at least one WD-40 region. The polypeptides of the present invention typically have between 4 and 50 amino acids whose sequence is the same as a sequence of the same length in the WD-40 region of the second protein. The invention further includes a method of altering the activity of the above described first protein. In one embodiment of the invention the polypeptide composition is effective to alter the activity of a protein kinase C, where the protein kinase C interacts with a second protein, and the second protein contains at least one WD-40 region (e.g., RACK1).
    • 本发明涉及有效改变与第二种蛋白质相互作用的第一种蛋白质的活性的多肽组合物,其中第二种蛋白质含有至少一种WD-40区域。 本发明的多肽通常具有4至50个氨基酸,其序列与第二蛋白质的WD-40区域中相同长度的序列相同。 本发明还包括改变上述第一种蛋白质的活性的方法。 在本发明的一个实施方案中,多肽组合物有效地改变蛋白激酶C的活性,其中蛋白激酶C与第二蛋白质相互作用,第二蛋白质含有至少一个WD-40区域(例如RACK1)。
    • 24. 发明授权
    • Selective lysis of malaria infected erythrocytes
    • 疟疾感染红细胞的选择性裂解
    • US06384015B1
    • 2002-05-07
    • US08831993
    • 1997-04-01
    • Shervin K. Pishevar
    • Shervin K. Pishevar
    • A61K3816
    • A61K38/1703Y02A50/411
    • The invention provides methods and compositions for inhibiting the development of intracellular parasites by treating such cells with an effective concentration of a magainin, PGLa or XPF peptide under conditions whereby the development of the parasite in the cell is inhibited. The targeted parasites have been found to increase in the accessibility of the plasma membrane of said cell to the peptide, and particularly, to effect an increase in the cytopathic, especially lytic, sensitivity of the cell to the peptide. In one application, the invention provides methods for treating blood infected with a Plasmodium species, by contacting the blood with magainin 2 under conditions whereby the development of the Plasmodium in the infected erythrocytes is inhibited and the infected erythrocytes evidence relatively increased cytolytic sensitivity to the magainin.
    • 本发明提供了通过在有效浓度的magainin,PGLa或XPF肽处理这种细胞的条件下抑制细胞内寄生虫的发育的方法和组合物,由此细胞中寄生虫的发育受到抑制。 已经发现靶向的寄生虫增加所述细胞的质膜对肽的可及性,特别是增加细胞对肽的细胞病变,特别是溶解的敏感性。 在一个应用中,本发明提供了用于治疗感染疟原虫物种的血液的方法,其通过使血液与马卡宁2接触,其中感染的红细胞中的疟原虫的发育被抑制并且感染的红细胞证实对magainin的溶细胞敏感性相对增加 。