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MOTACABTAGENE LUREVGEDLEUCEL

UNII:7CH7MR6SN5
Type:INGREDIENT SUBSTANCE
Formula:
Preferred Substance Name:MOTACABTAGENE LUREVGEDLEUCEL
GSRS Full Record:

  • ALLOGENEIC T CELLS OBTAINED FROM PERIPHERAL BLOOD BY LEUKAPHERESIS, GENETICALLY MODIFIED BY CRISPR/CAS9 (CLUSTERED REGULARLY INTERSPACED SHORT PALINDROMIC REPEATS/CRISPR-ASSOCIATED PROTEIN 9) MEDIATED GENE EDITING CONSISTING OF TWO GUIDE RNAS (GRNAS) INTRODUCED TRANSIENTLY AS CAS9-GRNA RIBONUCLEOPROTEIN (RNP) COMPLEX FOR THE TARGETED DISRUPTION OF THE T CELL RECEPTOR ALPHA CHAIN CONSTANT (TRAC) AND .BETA.2 MICROGLOBULIN (B2M) LOCI AND THE INSERTION OF AN ANTI-B CELL MATURATION ANTIGEN (BCMA) CAR TRANSGENE INTO THE TRAC LOCUS VIA AN ADENO-ASSOCIATED VIRUS SEROTYPE 6 (AAV6) VECTOR. THE CAR IS COMPOSED OF A HUMANIZED SINGLE-CHAIN VARIABLE FRAGMENT (SCFV) TARGETING BCMA, FOLLOWED BY A CD8 HINGE AND TRANSMEMBRANE REGION, A 4-1BB (CD137) COSTIMULATORY DOMAIN AND A CD3.ZETA. SIGNALLING DOMAIN. EXPRESSION OF THE CAR IS DRIVEN BY THE ELONGATION FACTOR, EF-1.ALPHA., PROMOTER AND IS TERMINATED BY A SYNTHETIC POLY A SEQUENCE. THE BCMA EXPRESSION CASSETTE IS FLANKED BY TWO TRAC HOMOLOGY ARMS GUIDING THE EXPRESSION CASSETTE TO THE TRAC LOCUS. THE T CELLS ARE CULTURED IN THE PRESENCE OF GROWTH MEDIUM CONTAINING INTERLEUKIN 2 (IL-2) AND 7 (IL-7) AND ARE 30% CAR+ T CELLS, 0.4% TCR+ AND 30% B2M+
  • Motacabtagene Lurevgedleucel
  • motacabtagene lurevgedleucel [INN]



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