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    • 16. 发明申请
    • ISOLATION OF ANTISENSE OLIGONUCLEOTIDES
    • 分离反义寡核苷酸
    • WO2004048569A1
    • 2004-06-10
    • PCT/SE2003/001784
    • 2003-11-17
    • AMERSHAM BIOSCIENCES ABERIKSSON, KjellJOHANSSON, Bo-Lennart
    • ERIKSSON, KjellJOHANSSON, Bo-Lennart
    • C12N15/10
    • B01D15/3828B01J45/00C07H1/06C07H1/08
    • The present invention relates to a method of isolating fully thioated single stranded antisense oligonucleotides from a biological solution, which method comprises the steps of contacting the biological solution with an immobilised metal ion adsorption chromatography (IMAC) resin to adsorb the antisense oligonucleotides to said resin and subsequently contacting the resin with an eluent under conditions that provide desorption of the antisense oligonucleotides from said resin, wherein the fully thioated antisense oligonucleotides are separated from incorrectly thioated antisense oligonucleotides in said solution. The invention also relates to the use of an immobilised metal ion adsorption chromatography (IMAC) resin for isolation of fully thioated single stranded antisense oligonucleotides from a biological solution.
    • 本发明涉及从生物溶液中分离完全硫酸化的单链反义寡核苷酸的方法,该方法包括使生物溶液与固定金属离子吸附色谱(IMAC)树脂接触以将反义寡核苷酸吸附到所述树脂和 随后在从所述树脂提供反义寡核苷酸解吸的条件下将树脂与洗脱液接触,其中完全硫代反义寡核苷酸与所述溶液中的错误地硫代反义寡核苷酸分离。 本发明还涉及固定化金属离子吸附色谱(IMAC)树脂从生物溶液中分离完全硫代单链反义寡核苷酸的用途。