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Suitable alpha helical peptides to activate or inhibit cell death
专利权人:
Dana-Farber Cancer Institute, Inc.;President and Fellows of Harvard College
发明人:
Walenski, Loren D.,Verdine, Gregory,Korsmeyer, Stanley J.
申请号:
ES10195495
公开号:
ES2586387T3
申请日:
2004.11.05
申请国别(地区):
ES
年份:
2016
代理人:
摘要:
An α-helical polypeptide suitable for activating or inhibiting cell death of formula (I): ** Formula ** in which: each R1 and R2 are independently H, C1-C20 alkyl, C2-C20 alkenyl, C2-C20 alkynyl , arylalkyl, cycloalkylalkyl, heteroarylalkyl or heterocyclylalkyl; R3 is a crosslinker that is C1-C20 alkyl, C2-C20 alkenyl or C2-C20 alkynyl; where R3 is substituted with 0 to 6 R5; R5 is halogen, alkyl, OR6, N (R6) 2, SR6, SOR6, SO2R6, CO2R6, R6, an epoxide, a fluorescent moiety or a radioisotope; R6 is H, alkyl or a therapeutic agent; x is an integer selected from 2, 3 or 6; each y is independently an integer from 0 to 100; z is an integer from 1 to 10; and each Xaa is independently an alpha-amino acid; and wherein the polypeptide is transported or actively transported through the cell membrane, as determined in an assay comprising preparing a fluorescently labeled polypeptide, applying the fluorescently labeled polypeptide to an intact cell and testing the cell in as for cell fluorescence by microscopy or high performance cell fluorescence detection.Un polipéptido α-helicoidal adecuado para activar o inhibir la muerte celular de fórmula (I): **Fórmula** en la que: cada R1 y R2 son independientemente H, alquilo C1-C20, alquenilo C2-C20, alquinilo C2-C20, arilalquilo, cicloalquilalquilo, heteroarilalquilo o heterociclilalquilo; R3 es un reticulante que es alquilo C1-C20, alquenilo C2-C20 ó alquinilo C2-C20; donde R3 está sustituido con de 0 a 6 R5; R5 es halógeno, alquilo, OR6, N(R6)2, SR6, SOR6, SO2R6, CO2R6, R6, un epóxido, un resto fluorescente o un radioisótopo; R6 es H, alquilo o un agente terapéutico; x es un número entero seleccionado de 2, 3 ó 6; cada y es independientemente un número entero de 0 a 100; z es un número entero de 1 a 10; y cada Xaa es independientemente un alfa-aminoácido; y en donde el polipéptido es transportado o es transportado activamente a través de la membrana celular, según se determina en un ensayo que comprende preparar un polipéptido marc
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