SEQUENCES OF POTAMOTRYGON SPP. VNAR DOMAINS AS ANTICANCER IMMUNOCARRIERS

Disclosed is an isolated vNAR protein capable of binding to EGFRvIII or to HER2, which comprises: a CDR1 comprising an amino acid sequence from the following group: SEQ. ID. NO. 1, SEQ. ID. NO. 5, SEQ. ID. NO. 9 and SEQ. ID. NO. 13; and a CDR3 comprising an amino acid sequence from the following gro...

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Hauptverfasser: CAMACHO VILLEGAS, Tanya Amanda, PÉREZ PADILLA, Nayeli Arely, REZA ESCOBAR, Elia, PANIKAR SURENDRA, Sandeep, ESQUIVEL SOLÍS, Hugo
Format: Patent
Sprache:eng ; fre ; spa
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Zusammenfassung:Disclosed is an isolated vNAR protein capable of binding to EGFRvIII or to HER2, which comprises: a CDR1 comprising an amino acid sequence from the following group: SEQ. ID. NO. 1, SEQ. ID. NO. 5, SEQ. ID. NO. 9 and SEQ. ID. NO. 13; and a CDR3 comprising an amino acid sequence from the following group: SEQ. ID. NO. 2, SEQ. ID. NO. 6, SEQ. ID. NO. 10 and SEQ. ID. NO. 14. Also disclosed is a pharmaceutical test for diagnosing tumor cells that express EGFRvIII or HER2, which comprises at least: a vNAR protein according to the invention and a marker substance. Further disclosed is a pharmaceutical composition for targeting and delivering different drugs, recombinant proteins and/or molecular markers in tumour cells that express EGFRvIII or HER2, which comprises at least: a vNAR protein according to the invention and at least one drug, recombinant protein and/or molecular marker. Una proteína vNAR aislada con capacidad de unión a EGFRvIII o a HER2, que comprende: un CDR1 que comprende una secuencia de aminoácidos del siguiente grupo: SEQ. ID. NO. 1, SEQ. ID. NO. 5, SEQ. ID. NO. 9, SEQ. ID. NO. 13; y un CDR3 que comprende una secuencia de aminoácidos del siguiente grupo: SEQ. ID. NO. 2, SEQ. ID. NO. 6, SEQ. ID. NO. 10, SEQ. ID. NO. 14. Una prueba farmacéutica para el diagnóstico de células tumorales que expresan EGFRvIII o HER2, que comprende, al menos: una proteína vNAR de conformidad con la presente invención y una sustancia marcadora. Una composición farmacéutica para el direccionamiento y entrega de diversos fármacos, proteínas recombinantes y/o moléculas marcadoras en células tumorales que expresen EGFRvIII o HER2 la cual comprende, al menos: una proteína vNAR de conformidad con la presente invención y al menos un fármaco, proteína recombinante y/o molécula marcadora. L'invention concerne une protéine vNAR isolée à capacité de liaison à EGFRvIII ou à HER2, comprenant : un CDR1 comprenant une séquence d'acides aminés du groupe suivant : SEQ. ID. NO. 1, SEQ. ID. NO. 5, SEQ. ID. NO. 9, SEQ. ID. NO. 13 ; et un CDR3 comprenant une séquence d'acides aminés du groupe suivant : SEQ. ID. NO. 2, SEQ. ID. NO. 6, SEQ. ID. NO. 10, SEQ. ID. NO. 14. L'invention concerne également une sonde pharmaceutique pour le diagnostic de cellules tumorales qui expriment EGFRvIII ou HER2, comprenant, au moins : une protéine vNAR selon la présente invention et une substance de marquage. L'invention concerne enfin une composition pharmaceutique pour l'adressage et l'administration de mé