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Nasal tolerance induces antigen-specific CD4+CD25- regulatory T cells that can transfer their regulatory capacity to naive CD4+ T cells. 2003

Wendy W J Unger, and Wendy Jansen, and Danielle A W Wolvers, and Astrid G S van Halteren, and Georg Kraal, and Janneke N Samsom
Department of Molecular Cell Biology, VU University Medical Center, PO Box 7057, 1007 MB Amsterdam, The Netherlands.

The mucosal immune system is uniquely adapted to elicit immune responses against pathogens but also to induce tolerogenic responses to harmless antigens. In mice, nasal application of ovalbumin (OVA) leads to suppression of both T(h)1 and T(h)2 responses. This tolerance can be transferred to naive mice by CD4(+) T(r) cells from the spleen. Using the allotypic Ly5 system, we were able to demonstrate in vivo that T(r) cells not only suppress naive CD4(+) T cells, but also induce them to differentiate into T(r) cells. The effector function of these mucosal T(r) cells is not restricted by cytokine polarization, since T(r) cells from T(h)1-tolerant mice can suppress a T(h)2 response and vice versa. Transfer of splenic CD4(+)CD25(+) and CD4(+)CD25(-) T cell subsets from OVA-tolerized mice revealed that both subsets were equally able to suppress a delayed-type hypersensitivity response in acceptor mice. In contrast to the CD25(-) T cell subset, the CD25(+) cells were not specific for the antigen used for tolerization. Together, these findings demonstrate a role for CD4(+)CD25(-) T(r) cells in mucosal tolerance, which suppresses CD4(+) T cells in an antigen-specific fashion, irrespective of initial T(h)1/T(h)2 skewing of the immune response. This offers a major advantage in the manipulation of mucosal tolerance for the treatment of highly cytokine-polarized disorders such as asthma and autoimmune diseases.

UI MeSH Term Description Entries
D007108 Immune Tolerance The specific failure of a normally responsive individual to make an immune response to a known antigen. It results from previous contact with the antigen by an immunologically immature individual (fetus or neonate) or by an adult exposed to extreme high-dose or low-dose antigen, or by exposure to radiation, antimetabolites, antilymphocytic serum, etc. Immunosuppression (Physiology),Immunosuppressions (Physiology),Tolerance, Immune
D008213 Lymphocyte Activation Morphologic alteration of small B LYMPHOCYTES or T LYMPHOCYTES in culture into large blast-like cells able to synthesize DNA and RNA and to divide mitotically. It is induced by INTERLEUKINS; MITOGENS such as PHYTOHEMAGGLUTININS, and by specific ANTIGENS. It may also occur in vivo as in GRAFT REJECTION. Blast Transformation,Blastogenesis,Lymphoblast Transformation,Lymphocyte Stimulation,Lymphocyte Transformation,Transformation, Blast,Transformation, Lymphoblast,Transformation, Lymphocyte,Activation, Lymphocyte,Stimulation, Lymphocyte
D009297 Nasal Mucosa The mucous lining of the NASAL CAVITY, including lining of the nostril (vestibule) and the OLFACTORY MUCOSA. Nasal mucosa consists of ciliated cells, GOBLET CELLS, brush cells, small granule cells, basal cells (STEM CELLS) and glands containing both mucous and serous cells. Nasal Epithelium,Schneiderian Membrane,Epithelium, Nasal,Membrane, Schneiderian,Mucosa, Nasal
D010047 Ovalbumin An albumin obtained from the white of eggs. It is a member of the serpin superfamily. Serpin B14
D005260 Female Females
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D015375 Receptors, Interleukin-2 Receptors present on activated T-LYMPHOCYTES and B-LYMPHOCYTES that are specific for INTERLEUKIN-2 and play an important role in LYMPHOCYTE ACTIVATION. They are heterotrimeric proteins consisting of the INTERLEUKIN-2 RECEPTOR ALPHA SUBUNIT, the INTERLEUKIN-2 RECEPTOR BETA SUBUNIT, and the INTERLEUKIN RECEPTOR COMMON GAMMA-CHAIN. IL-2 Receptors,Interleukin-2 Receptor,Interleukin-2 Receptors,Receptors, IL-2,Receptors, T-Cell Growth Factor,T-Cell Growth Factor Receptors,IL-2 Receptor,IL2 Receptor,IL2 Receptors,Interleukin 2 Receptor,Receptor, TCGF,T-Cell Growth Factor Receptor,TCGF Receptor,TCGF Receptors,IL 2 Receptor,IL 2 Receptors,Interleukin 2 Receptors,Receptor, IL-2,Receptor, IL2,Receptor, Interleukin 2,Receptor, Interleukin-2,Receptors, IL 2,Receptors, IL2,Receptors, Interleukin 2,Receptors, T Cell Growth Factor,Receptors, TCGF,T Cell Growth Factor Receptor,T Cell Growth Factor Receptors
D015496 CD4-Positive T-Lymphocytes A critical subpopulation of T-lymphocytes involved in the induction of most immunological functions. The HIV virus has selective tropism for the T4 cell which expresses the CD4 phenotypic marker, a receptor for HIV. In fact, the key element in the profound immunosuppression seen in HIV infection is the depletion of this subset of T-lymphocytes. T4 Cells,T4 Lymphocytes,CD4-Positive Lymphocytes,CD4 Positive T Lymphocytes,CD4-Positive Lymphocyte,CD4-Positive T-Lymphocyte,Lymphocyte, CD4-Positive,Lymphocytes, CD4-Positive,T-Lymphocyte, CD4-Positive,T-Lymphocytes, CD4-Positive,T4 Cell,T4 Lymphocyte
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus
D019264 Adoptive Transfer Form of passive immunization where previously sensitized immunologic agents (cells or serum) are transferred to non-immune recipients. When transfer of cells is used as a therapy for the treatment of neoplasms, it is called adoptive immunotherapy (IMMUNOTHERAPY, ADOPTIVE). Adoptive Cell Transfer,Adoptive Cell Transfers,Adoptive Transfers,Cell Transfer, Adoptive,Cell Transfers, Adoptive

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