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Sabatino, Marianna; Hu, Jinhui; Sommariva, Michele; Gautam, Sanjivan; Fellowes, Vicki; Hocker, James D.; Dougherty, Sean; Qin, Haiying; Klebanoff, Christopher A.; Fry, Terry J.; Gress, Ronald E.; Kochenderfer, James N.; Stroncek, David F.; Ji, Yun; Gattinoni, Luca
Blood, 07/2016, Letnik: 128, Številka: 4Journal Article
Long-lived, self-renewing, multipotent T memory stem cells (TSCM) can trigger profound and sustained tumor regression but their rareness poses a major hurdle to their clinical application. Presently, clinically compliant procedures to generate relevant numbers of this T-cell population are undefined. Here, we provide a strategy for deriving large numbers of clinical-grade tumor-redirected TSCM starting from naive precursors. CD8+CD62L+CD45RA+ naive T cells enriched by streptamer-based serial-positive selection were activated by CD3/CD28 engagement in the presence of interleukin-7 (IL-7), IL-21, and the glycogen synthase-3β inhibitor TWS119, and genetically engineered to express a CD19-specific chimeric antigen receptor (CD19-CAR). These conditions enabled the generation of CD19-CAR–modified CD8+ TSCM that were phenotypically, functionally, and transcriptomically equivalent to their naturally occurring counterpart. Compared with CD8+ T cells generated with clinical protocols currently under investigation, CD19-CAR–modified CD8+ TSCM exhibited enhanced metabolic fitness and mediated robust, long-lasting antitumor responses against systemic acute lymphoblastic leukemia xenografts. This clinical-grade platform provides the basis for a phase 1 trial evaluating the activity of CD19-CAR–modified CD8+ TSCM in patients with B-cell malignancies refractory to prior allogeneic hematopoietic stem cell transplantation. •A platform for the generation of clinical-grade CD19-CAR–modified TSCM.•CD19-CAR–modified TSCM mediate superior antitumor responses compared with CD19-CAR T cells currently used in clinical trials.
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Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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