Induction of tolerance to topically applied INCB using TNP-conjugated ultraviolet light-irradiated epidermal cells. [Mice]
Journal Article
·
· J. Immunol.; (United States)
OSTI ID:6297510
Ultraviolet (uv) radiation has profound effects on the immune system both in vitro and in vivo. Recent studies, utilizing uv irradiation of intact animals, have focused on the suppressive effect of uv irradiation on the generation of allergic contact sensitization (ACS). To explore the mechanism(s) by which uv affects ACS, we used a recently described technique of sensitizing mice with the subcutaneous (s.c.) injection of haptenated epidermal cells. uv-treated or untreated mouse epidermal cells (EC) were conjugated with 1 mM trinitrobenzene sulfonate and injected s.c. into syngeneic recipients. Six days later the ear was challenged with 20 ..mu..l of 1% trinitrochlorobenzene (TNCB), and 24 h later ear thickness was measured. Our studies indicate that uv irradiation of EC prior to haptenation not only abrogates their capability of inducing ACS but also induces a state of specific immunologic tolerance. These studies indicate that the s.c. injection of trinitrophenyl conjugated (TNP) uv-irradiated (TNP-uv) EC induces a state of specific immunologic hyporesponsiveness, and passive transfer studies showed that this hyporesponsiveness is in part due to the generation of suppressor T-cells.
- Research Organization:
- National Institutes of Health, Bethesda, MD
- OSTI ID:
- 6297510
- Journal Information:
- J. Immunol.; (United States), Journal Name: J. Immunol.; (United States) Vol. 127:1; ISSN JOIMA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
560152* -- Radiation Effects on Animals-- Animals
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMAL CELLS
ANIMAL TISSUES
ANIMALS
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
BODY
ELECTROMAGNETIC RADIATION
EPIDERMIS
EPITHELIUM
IMMUNE REACTIONS
IMMUNOSUPPRESSION
INJECTION
INTAKE
MAMMALS
MICE
NITRO COMPOUNDS
NITROBENZENE
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANS
RADIATION EFFECTS
RADIATIONS
RADIOINDUCTION
RODENTS
SKIN
SUBCUTANEOUS INJECTION
TISSUES
ULTRAVIOLET RADIATION
VERTEBRATES
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMAL CELLS
ANIMAL TISSUES
ANIMALS
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
BODY
ELECTROMAGNETIC RADIATION
EPIDERMIS
EPITHELIUM
IMMUNE REACTIONS
IMMUNOSUPPRESSION
INJECTION
INTAKE
MAMMALS
MICE
NITRO COMPOUNDS
NITROBENZENE
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANS
RADIATION EFFECTS
RADIATIONS
RADIOINDUCTION
RODENTS
SKIN
SUBCUTANEOUS INJECTION
TISSUES
ULTRAVIOLET RADIATION
VERTEBRATES