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    • 73. 发明申请
    • RNA PROCESSING PROTEIN COMPLEXES AND USES THEREOF
    • RNA加工蛋白复合物及其用途
    • WO2005003316A2
    • 2005-01-13
    • PCT/US2004/021334
    • 2004-07-02
    • PTC THERAPEUTICS, INC.TROTTA, Christopher, R.PAUSHKIN, Sergey
    • TROTTA, Christopher, R.PAUSHKIN, Sergey
    • C12N
    • C12Q1/6897C07K14/47C12N9/22
    • The invention provides human protein complexes with endonuclease activity. In particular, the invention provides human protein complexes with tRNA splicing endonuclease activity and/or 3' end pre-mRNA endonuclease activity. The invention also provides a splice variant of human Sen2, namely human Sen2deltaEx8, and human protein complexes comprising human Sen2deltaEx8. The human Sen2deltaEx8 complexes have pre-tRNA cleavage activity and/or 3' end pre-mRNA endonuclease activity. The invention also provides human protein complexes with pre-ribosomal RNA cleavage activity. The invention also provides antibodies that immunospecifically bind to a complex described herein or a component thereof, and methods of diagnosing, preventing, treating, managing or ameliorating a disorder utilizing such antibodies. The present invention also provides methods utilizing the complexes described herein, inter alia , in screening, diagnosis, and therapy. The invention further provides methods of preparing and purifying the complexes. The present invention further provides methods of identifying a compound that modulates the expression of a component of a complex described herein, the formation of a complex described herein or the activity of a complex described herein, and methods of preventing, treating, managing or ameliorating a disorder, such as a proliferative disorder, or a symptom thereof utilizing a compound identified in accordance with the methods.
    • 本发明提供具有内切核酸酶活性的人蛋白复合物。 特别地,本发明提供具有tRNA剪接核酸内切酶活性和/或3'末端pre-mRNA内切酶活性的人蛋白复合物。 本发明还提供人Sen2的剪接变体,即人Sen2deltaEx8,以及包含人Sen2deltaEx8的人蛋白复合物。 人Sen2deltaEx8复合物具有pre-tRNA切割活性和/或3'末端pre-mRNA内切核酸酶活性。 本发明还提供具有前核糖体RNA切割活性的人蛋白复合物。 本发明还提供免疫特异性结合本文所述的复合物或其组分的抗体,以及利用此类抗体诊断,预防,治疗,控制或改善病症的方法。 本发明还提供了利用本文所述的复合物,特别是在筛选,诊断和治疗中的方法。 本发明还提供了制备和纯化复合物的方法。 本发明还提供了鉴定调节本文所述复合物组分的表达,本文所述的复合物的形成或本文所述复合物的活性的化合物的方法,以及预防,治疗,治疗或改善 障碍,例如增殖性疾病,或其症状,利用根据该方法鉴定的化合物。