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Memory T Cells
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Memory T cells are a type of long-lived T lymphocytes that are formed after the initial exposure to a specific antigen. They play a crucial role in the adaptive immune system by providing rapid and enhanced immune responses upon subsequent encounters with the same antigen.
Once primed, effector T helper cells produce lineage-defining cytokines to combat the original pathogen. A subset of these cells persists as memory or effector-memory populations. These memory T cells play a dual role in host protection by:
- Responding rapidly to reinfection.
- Directly instructing myeloid cells to express licensing cytokines.
see also:
[Acquired Immune System / Adaptiv…
References (Sources)
- CCR8 Expression Defines Tissue-Resident Memory T Cells in Human Skin
- Innate control of adaptive immunity and adaptive instruction of innate immunity: bi-directional flow of information
- Redefining Memory T Cell Subsets
- Survival of tissue-resident memory T cells requires exogenous lipid uptake and metabolism