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Chimeric Gapped Oligomeric Compounds

  • US 20080261904A1
  • Filed: 06/03/2004
  • Published: 10/23/2008
  • Est. Priority Date: 06/03/2004
  • Status: Abandoned Application
First Claim
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1. A composition comprising first and second chemically synthesized oligomeric compounds, wherein:

  • at least a portion of the first oligomeric compound is capable of hybridizing with at least a portion of the second oligomeric compound,at least a portion of the first oligomeric compound is complementary to and capable of hybridizing to a selected target nucleic acid,the first oligomeric compound comprises a contiguous sequence of from about 12 to about 30 nucleosides linked by internucleoside linking groups wherein the sequence of the first oligomeric compound is divided into an internal region flanked by two external regions;

    the sugar soups of each of the three regions differ from the sugar groups of the other two regions and each region comprises modified ribofuranosyl moieties or one region comprises β

    -D-ribofuranosyl moieties and the other two regions comprise modified ribofuranosyl moieties;

    the second oligomeric compound comprises a contiguous sequence of from about 12 to about 30 nucleosides linked by internucleoside linking groups; and

    each of the first and second oligomeric compounds optionally comprises a phosphate group, a 3′

    -overhang or a conjugate group.

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