2016
DOI: 10.1016/j.ebiom.2016.01.019
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Modulation of mTOR Signalling Triggers the Formation of Stem Cell-like Memory T Cells

Abstract: Robust, long-lasting immune responses are elicited by memory T cells that possess properties of stem cells, enabling them to persist long-term and to permanently replenish the effector pools. Thus, stem cell-like memory T (TSCM) cells are of key therapeutic value and efforts are underway to characterize TSCM cells and to identify means for their targeted induction.Here, we show that inhibition of mechanistic/mammalian Target of Rapamycin (mTOR) complex 1 (mTORC1) by rapamycin or the Wnt-β-catenin signalling ac… Show more

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Cited by 96 publications
(93 citation statements)
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“…Moreover, T cells transduced with lentiviral shRNAs against BATF also demonstrated a decreased level of pS6K compared with the control T cells (Supplemental Figure 18, C and D). These results are consistent with previous findings that the CD8 + T cells derived from BATF-deficient mice exhibited a decreased level of phosphorylated S6K upon effector differentiation and that the inhibition of the mTOR pathway through AKT inhibition or the mTOR inhibitor rapamycin contributed to the generation of T cells with T SCM and T CM phenotypes (34,40,41). p300 recruits BRD4 to the BATF promoter region and induces BATF transcriptional activity.…”
Section: Jq1-treated T Cells Have Superior In Vivo Persistence and Ansupporting
confidence: 82%
“…Moreover, T cells transduced with lentiviral shRNAs against BATF also demonstrated a decreased level of pS6K compared with the control T cells (Supplemental Figure 18, C and D). These results are consistent with previous findings that the CD8 + T cells derived from BATF-deficient mice exhibited a decreased level of phosphorylated S6K upon effector differentiation and that the inhibition of the mTOR pathway through AKT inhibition or the mTOR inhibitor rapamycin contributed to the generation of T cells with T SCM and T CM phenotypes (34,40,41). p300 recruits BRD4 to the BATF promoter region and induces BATF transcriptional activity.…”
Section: Jq1-treated T Cells Have Superior In Vivo Persistence and Ansupporting
confidence: 82%
“…The number of memory T cells required for initial adoptive transfer therapy will be significantly lower than the current practice as memory cells can be primed in vivo using vaccine to regenerate CTL as needed. Current approaches to induce Tscm-like ACT include 1) Cytokines addition: IL-7, IL-15, IL-21 [70]; 2) using inhibitors for AKT,m-TORC and PI3K [71,72]; 3) activation of NOTCH [73]; 4) Weak TCR signaling during activation [74]; 5)providing additional costimulation e.g. 4-1BB, ICOS [75]; 6) altered metabolism status [76,77].…”
Section: The Influence Of Immunosuppressive Tumor Microenvironment (Tmentioning
confidence: 99%
“…В частности, следует особо под-черкнуть важность сигнального пути через mTOR в самообновлении [31][32][33] и состоянии покоя [34], дифференцировки в эффекторы и клетки памяти [35,36], уровней ROS [23,37] и противоопухолевой ак-тивности [38]. Поскольку дифференцировка клеток связана с их метаболической активностью [39], суще-ствует возможность впервые охарактеризовать мета-болические свойства Т-клеток, которые ассоциирова-ны с усиленной противоопухолевой активностью, и перепрограммировать метаболические пути таким образом, чтобы оптимизировать клиническую эффек-тивность методов лечения, основанных на использо-вании Т-лимфоцитов.…”
Section: т-клетки Cd8unclassified
“…Современные методы их получения акти-вируют Akt и mTOR, приводя к терминальной диффе-ренцировке Т-клеток. Ограничение активности Akt [48] и mTOR [33] в течение примирования или усиле-ние активности STAT-3 [64] и сигнального пути через Wnt-β-катенин человеческих Т-клеток [21] может оста-новить развитие Т-клеток, поддерживая их в состоя-нии, схожем со стволовыми клетками памяти. Это заторможенное развитие эффекторных Т-клеток со-провождается усилением таких метаболических свойств, как редуцированный гликолиз и увеличенное использование окисления жирных кислот, восстанав-ливая таким образом долговременную жизнеспособ-ность и противоопухолевую активность человеческих Т-клеток.…”
Section: т-клетки Cd8unclassified