01-02-2018 дата публикации
Номер: US20180028688A1
Принадлежит:
There are provided herein, inter alia, complexes, compositions and methods for the delivery of therapeutic, diagnostic and imaging agents, including nucleic acid, into a cell. The complexes, compositions and methods may facilitate complexation, protection, delivery and release of oligonucleotides and polyanionic cargos into target cells, tissues, and organs both in vitro and in vivo. 1. A cell-penetrating complex comprising a nucleic acid non-covalently bound to a cationic amphipathic polymer , said cationic amphipathic polymer comprising a pH-sensitive immolation domain.2. The cell-penetrating complex of claim 1 , wherein said cationic amphipathic polymer comprises a pH-sensitive immolation domain and a lipophilic polymer domain.3. The cell-penetrating complex of claim 2 , wherein said cationic amphipathic polymer has the formula:{'br': None, 'sup': 1A', '1', '1', '2', '2', '2A, 'sub': z1', 'z2', 'z3', 'z4', 'z5, 'R-[L-[(LP)-(IM)-(LP)]-L-R]'}wherein{'sup': '1A', 'sub': 3', '3', '3', '3', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '3', '4', '2', '2', '2', '2', '2', '2', '2', '3', '3', '3', '3', '2', '2', '2', '2', '2', '2', '2', '2, 'Ris hydrogen, halogen, —CCl, —CBr, —CF, —CI, CHCl, —CHBr, —CHF, —CHI, —CHCl, —CHBr, —CHF, —CHI, —CN, —OH, —NH, —COOH, —CONH, —NO, —SH, —SOH, —SOH, —SONH, —NHNH, —ONH, —NHC(O)NHNH, —NHC(O)NH, —NHSOH, —NHC(O)H, —NHC(O)OH, —NHOH, —OCCl, —OCF, —OCBr, —OCI, —OCHCl, —OCHBr, —OCHI, —OCHF, —OCHCl, —OCHBr, —OCHI, —OCHF, substituted or unsubstituted alkyl, substituted or unsubstituted heteroalkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocycloalkyl, substituted or unsubstituted aryl, or substituted or unsubstituted heteroaryl;'}{'sup': '2A', 'sub': 3', '3', '3', '3', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '3', '4', '2', '2', '2', '2', '2', '2', '2', '3', '3', '3', '3', '2', '2', '2', '2', '2', '2', '2', '2, 'Ris hydrogen, halogen, —CCl, —CBr, —CF, —CI, CHCl, —CHBr, —CHF, —CHI, —CHCl, ...
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