T cell differentiation
Process by which immune T cells commit to effector versus regulatory fates; directly controlled by mTOR complex activity.
How immune T cells decide what kind of cell to become - an attacking (effector) cell or a peacekeeping (regulatory) cell. mTOR activity is one of the switches that helps make this decision.
Process by which immune T cells commit to effector versus regulatory fates; directly controlled by mTOR complex activity.
TL;DR. T cell differentiation appears in 9 curated studies in Oliver's mTOR Atlas: 4 in animal models; 3 at the molecular level (cells, biochemistry, structure); 2 reviews. No study in people is recorded for it in the Atlas yet.
Evidence at a glance
| Evidence | What it means | Studies |
|---|---|---|
| A | Animal model | 4 |
| M | Molecular — cells, biochemistry, structure | 3 |
| R | Review — secondary literature, not a new result | 2 |
No direct human evidence in the Atlas for this entity yet — everything below rests on animal or molecular work.
Studies
| Year | Evidence | Study |
|---|---|---|
| 2026 | A | Enforcing mTORC1 activity in therapeutic CD4+ T cells promotes persistence but eventual immune exhaustion SIL2026 Enforced RHEB overexpression (mTORC1 hyperactivation) in therapeutic CD4+ T cells boosts initial proliferation/persistence after adoptive transfer, but drives cells toward an exhausted phenotype (co-inhibitory receptors, impaired re-proliferation on rechallenge) -- a double-edged sword for CAR/TCR-T cell engineering, distinct from the CD8 response to the same manipulation. |
| 2013 | A | Control of amino-acid transport by antigen receptors coordinates the metabolic reprogramming essential for T cell differentiation SIN2013 Antigen-receptor-driven System-L (SLC7A5) amino-acid transport controls mTORC1 and T-cell differentiation. |
| 2013 | A | mTORC1 couples immune signals and metabolic programming to establish T(reg)-cell function ZEN2013 mTORC1 couples immune signals and metabolism to establish regulatory T-cell function. |
| 2011 | A | The kinase mTOR regulates the differentiation of helper T cells through the selective activation of signaling by mTORC1 and mTORC2 DEL2011 mTORC1 and mTORC2 selectively program distinct CD4 helper T-cell lineages. |
| 2026 | M | Amino acid homeostasis by CORVET/HOPS: A metabolic and stress resilience checkpoint for T cells WANG2026 Identifies the CORVET and HOPS endolysosomal tethering complexes as upstream suppliers of intracellular amino acids in activated T cells, acquired via macropinocytosis. Loss of the core subunits VPS18 or VPS11 starves the cell of amino acids, switches on the integrated stress response and shuts down mTORC1; enforced mTORC1 activity rescues the proliferative defect while BIM deletion rescues survival, separating the two failure modes. Places vesicular nutrient acquisition upstream of the canonical lysosomal amino-acid-sensing arm of mTORC1. |
| 2026 | M | TCR-mTORC1 signaling promotes epigenetic stabilization of Foxp3 expression in regulatory T cells via TET protein translation KIN2026 Sustained TCR signaling activates mTORC1, which boosts translation of the TET2 (and likely TET3) DNA-demethylation enzymes; this demethylates the Foxp3 TSDR enhancer and epigenetically locks in stable Foxp3 expression in regulatory T cells. In vivo mTORC1 inactivation increases methylated-TSDR Foxp3+ T cells, confirming the pathway's physiological relevance. |
| 2026 | R | The role of mTORC2/RICTOR in immune cells and inflammatory diseases. XU2026B mTORC2/RICTOR signaling (via AKT, SGK1, PKC) shapes Th1/Th2 differentiation, Treg stability, memory T cell formation, BCR signaling and plasma cell survival, and macrophage/DC/NK function; its role in tissue inflammation is context-dependent (exacerbating osteoarthritis and pancreatitis but restraining pro-inflammatory polarization in colorectal cancer), and dual mTORC1/2 inhibitors (e.g. AZD2014) show early but complicated promise. |
| 2012 | R | Regulation and function of mTOR signalling in T cell fate decisions CHI2012 Review of mTOR signalling in T-cell fate decisions. |
| 2009 | M | The mTOR kinase differentially regulates effector and regulatory T cell lineage commitment DEL2009 T cells lacking mTOR fail to become normal effector cells and default toward regulatory T cells, showing mTOR is a master switch for immune cell fate. |
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