首页> 外国专利> Manufacture and use of single-stranded RNA synthesized in vitro for introduction into mammalian cells to induce a biological or biochemical effect

Manufacture and use of single-stranded RNA synthesized in vitro for introduction into mammalian cells to induce a biological or biochemical effect

机译:体外合成并用于引入哺乳动物细胞以诱导生物或生化作用的单链RNA的制造和使用

摘要

An ex vivo or in vitro method for obtaining the expression of at least one protein of interest in a cell comprising: contacting a cell with an RNA composition comprising in vitro synthesized RNA encoding at least one protein of interest, in wherein said RNA composition has been treated with RNase III in a buffered aqueous solution comprising magnesium cations at a concentration of about 1-4 mM and a salt that provides an ionic strength equivalent to at least about 50-300 mM acetate of potassium or potassium glutamate, in which less than 0.01% of the mass of the RNA of said treated RNA composition is double stranded RNA greater than about 40 base pairs in length, so that said at least one Protein of interest is expressed in said cell.
机译:一种获得至少一种目的蛋白在细胞中表达的离体或体外方法,该方法包括:使细胞与包含编码至少一种目的蛋白的体外合成RNA的RNA组合物接触,其中所述RNA组合物已经被在含有约1-4 mM浓度的镁阳离子和盐的盐水溶液中用RNase III处理过,该盐水溶液的离子强度至少等于约50-300 mM乙酸钾或谷氨酸钾的乙酸盐,其中小于0.01所述处理的RNA组合物的RNA质量的%是长度大于约40个碱基对的双链RNA,使得所述至少一种目的蛋白质在所述细胞中表达。

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