The function of the intraepithelial lymphocyte (IEL) network of T cell receptor (TCR) γδ+ (Vγ5+) dendritic epidermal T cells (DETC) was evaluated by examining several mouse strains genetically deficient in γδ T cells (δ−/− mice), and in δ−/− mice reconstituted with DETC or with different γδ cell subpopulations. NOD.δ−/− and FVB.δ−/− mice spontaneously developed localized, chronic dermatitis, whereas interestingly, the commonly used C57BL/6.δ−/− strain did not. Genetic analyses indicated a single autosomal recessive gene controlled the dermatitis susceptibility of NOD.δ−/− mice. Furthermore, allergic and irritant contact dermatitis reactions were exaggerated in FVB.δ−/−, but not in C57BL/6.δ−/− mice. Neither spontaneous nor augmented irritant dermatitis was observed in FVB.β−/− δ−/− mice lacking all T cells, indicating that αβ T cell–mediated inflammation is the target for γδ-mediated down-regulation. Reconstitution studies demonstrated that both spontaneous and augmented irritant dermatitis in FVB.δ−/− mice were down-regulated by Vγ5+ DETC, but not by epidermal T cells expressing other γδ TCRs. This study demonstrates that functional impairment at an epithelial interface can be specifically attributed to absence of the local TCR-γδ+ IEL subset and suggests that systemic inflammatory reactions may more generally be subject to substantial regulation by local IELs.
Resident Skin-specific γδ T Cells Provide Local, Nonredundant Regulation of Cutaneous Inflammation
M. Girardi,Julia M. Lewis,E. Glusac,R. Filler,L. Geng,A. Hayday,R. Tigelaar
Published 2002 in Journal of Experimental Medicine
ABSTRACT
PUBLICATION RECORD
- Publication year
2002
- Venue
Journal of Experimental Medicine
- Publication date
2002-04-01
- Fields of study
Biology, Medicine
- Identifiers
- External record
- Source metadata
Semantic Scholar, PubMed
CITATION MAP
EXTRACTION MAP
CLAIMS
CONCEPTS
- allergic and irritant contact dermatitis reactions
Skin inflammatory responses induced by allergen exposure or chemical irritation and scored in the mouse dermatitis tests.
Aliases: contact dermatitis reactions, allergic dermatitis and irritant dermatitis
박진우 (dztg5apj7m) extractionB (s683577b42) reviewAnonymous (12632b8b5f) reviewjihoonc (k5vuy3tzcm) review - c57bl/6.δ−/− mice
C57BL/6 background mice genetically deficient in γδ T cells and used as a comparison strain in the dermatitis assays.
Aliases: C57BL/6.delta knockout mice, C57BL/6 gamma-delta-deficient mice
박진우 (dztg5apj7m) extractionB (s683577b42) reviewAnonymous (12632b8b5f) reviewjihoonc (k5vuy3tzcm) review - epidermal t cells expressing other γδ tcrs
Epidermal γδ T cells bearing T-cell receptors other than Vγ5, used as an alternative reconstitution population.
Aliases: other γδ epidermal T cells, non-Vγ5 γδ epidermal T cells
박진우 (dztg5apj7m) extractionB (s683577b42) reviewAnonymous (12632b8b5f) reviewjihoonc (k5vuy3tzcm) review - fvb.β−/− δ−/− mice
FVB background mice lacking both β-chain and δ-chain T-cell receptors, leaving them without conventional αβ or γδ T cells.
Aliases: FVB beta and delta double knockout mice, FVB.β knockout δ knockout mice
박진우 (dztg5apj7m) extractionB (s683577b42) reviewAnonymous (12632b8b5f) reviewjihoonc (k5vuy3tzcm) review - fvb.δ−/− mice
FVB background mice genetically deficient in γδ T cells and used for dermatitis and reconstitution experiments.
Aliases: FVB.delta knockout mice, FVB gamma-delta-deficient mice
박진우 (dztg5apj7m) extractionB (s683577b42) reviewAnonymous (12632b8b5f) reviewjihoonc (k5vuy3tzcm) review - localized, chronic dermatitis
Persistent skin inflammation confined to specific local sites on the mouse skin.
Aliases: chronic localized dermatitis, localized chronic dermatitis
박진우 (dztg5apj7m) extractionB (s683577b42) reviewAnonymous (12632b8b5f) reviewjihoonc (k5vuy3tzcm) review - nod.δ−/− mice
NOD background mice genetically deficient in γδ T cells and used to examine susceptibility to skin inflammation.
Aliases: NOD.delta knockout mice, NOD gamma-delta-deficient mice
박진우 (dztg5apj7m) extractionB (s683577b42) reviewAnonymous (12632b8b5f) reviewjihoonc (k5vuy3tzcm) review - vγ5+ detc
Resident dendritic epidermal T cells that express the Vγ5 T-cell receptor and populate the epidermis.
Aliases: Vγ5 positive dendritic epidermal T cells, Vγ5+ dendritic epidermal T cells, DETC
박진우 (dztg5apj7m) extractionB (s683577b42) reviewAnonymous (12632b8b5f) reviewjihoonc (k5vuy3tzcm) review - αβ t cell-mediated inflammation
Inflammatory responses driven by conventional alpha-beta T cells in the skin.
Aliases: alpha beta T cell-mediated inflammation, αβ-mediated inflammation
박진우 (dztg5apj7m) extractionB (s683577b42) reviewAnonymous (12632b8b5f) reviewjihoonc (k5vuy3tzcm) review
REFERENCES
Showing 1-85 of 85 references · Page 1 of 1