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    • 1. 发明申请
    • Methods for Isolating and Characterizing Endogenous mRNA-Protein (mRNP) Complexes
    • 分离和表征内源性mRNA蛋白(mRNP)复合物的方法
    • US20080248479A1
    • 2008-10-09
    • US12049862
    • 2008-03-17
    • Jack D. KeeneScott A. TenenbaumCraig C. Carson
    • Jack D. KeeneScott A. TenenbaumCraig C. Carson
    • C12Q1/68
    • G01N33/5008C07H21/02C12Q1/6804C12Q1/6809C12Q2600/158G01N33/5023G01N33/5308G01N33/68G01N33/6803G01N33/6845C12Q2522/101
    • Cellular mRNA-protein (mRNP) complexes are partitioned in vivo by contacting a biological sample with at least one ligand that specifically binds at least one component of a mRNP complex. Suitable biological samples comprise at least one mRNA-protein (mRNP) complex and include cell cultures, cell extracts, and whole tissue, including tumor tissue. Ligands include antibodies that specifically bind RNA-binding or RNA-associated proteins present in the mRNP complex. The mRNP complex is separated by binding the ligand with a binding molecule specific for the ligand, where the binding molecule is attached to a solid support. The mRNP complex is collected by removing the mRNP complex from the solid support. After collecting the mRNP complex, the mRNA bound within the complex may be characterized and identified. Subsets of the total mRNA population of a cell may accordingly be characterized, and a gene expression profile of the cell obtained.
    • 通过使生物样品与至少一种特异性结合mRNP复合物的至少一种组分的配体接触,在体内分配细胞mRNA-蛋白(mRNP)复合物。 合适的生物样品包含至少一种mRNA-蛋白(mRNP)复合物,并且包括细胞培养物,细胞提取物和包括肿瘤组织的整个组织。 配体包括特异性结合存在于mRNP复合物中的RNA结合或RNA相关蛋白的抗体。 通过将配体与对配体特异性的结合分子结合来分离mRNP复合物,其中结合分子连接到固体支持物上。 通过从固体支持物上除去mRNP复合物来收集mRNP复合物。 在收集mRNP复合物后,可以鉴定和鉴定复合物内结合的mRNA。 因此可以对细胞的总mRNA群体的亚群进行表征,并获得所获得的细胞的基因表达谱。