38 results on '"Askenase P"'
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2. Human platelets can initiate T cell-dependent contact sensitivity through local serotonin release mediated by IgE antibodies.
3. Delayed-type hypersensitivity in mast cell-deficient mice: dependence on platelets for expression of contact sensitivity.
4. Possible involvement of C5/C5a in the efferent and elicitation phases of contact sensitivity.
5. Immune or normal gamma delta T cells that assist alpha beta T cells in elicitation of contact sensitivity preferentially use V gamma 5 and V delta 4 variable region gene segments.
6. Adoptive cell transfer of contact sensitivity-initiation mediated by nonimmune cells sensitized with monoclonal IgE antibodies. Dependence on host skin mast cells.
7. Gamma delta T cells in normal spleen assist immunized alpha beta T cells in the adoptive cell transfer of contact sensitivity. Effect of Bordetella pertussis, cyclophosphamide, and antibodies to determinants on suppressor cells.
8. Antigen receptors on Thy-1+ CD3- CS-initiating cell. In vitro desensitization with hapten-amino acid or hapten-Ficoll conjugates, versus hapten-protein conjugates, suggests different antigen receptors on the immune cells that mediate the early and late components of murine contact sensitivity.
9. Inhibition of IL-2-dependent proliferation by a prostaglandin-dependent suppressor factor.
10. Gamma delta T cells assist alpha beta T cells in adoptive transfer of contact sensitivity.
11. Transforming growth factor-beta 1 inhibits murine immediate and delayed type hypersensitivity.
12. Initiation of delayed-type hypersensitivity by low doses of monoclonal IgE antibody. Mediation by serotonin and inhibition by histamine.
13. Delayed-type hypersensitivity initiation by early-acting cells that are antigen mismatched or MHC incompatible with late-acting, delayed-type hypersensitivity effector T cells.
14. IgE antibody production in guinea pigs treated with cyclophosphamide.
15. A role for mast cells and the vasoactive amine serotonin in T cell-dependent immunity to tumors.
16. Characterization of two different Ly-1+ T cell populations that mediate delayed-type hypersensitivity.
17. Suppression of BCG cell wall-induced delayed-type hypersensitivity by pretreatment with killed BCG: induction of nonspecific suppressor T cells by the adjuvant portion (MDP) and of specific suppressor T cells by the antigen portion (TAP).
18. IgE antibody-mediated cutaneous basophil hypersensitivity reactions in guinea pigs.
19. The DTH-initiating Thy-1+ cell is double-negative (CD4-, CD8-) and CD3-, and expresses IL-3 receptors, but no IL-2 receptors.
20. IgG1 antibody-dependent mediator release after passive systemic sensitization of basophils arriving at cutaneous basophil hypersensitivity reactions.
21. Delayed-type hypersensitivity is mediated by a sequence of two different T cell activities.
22. Isotype-like suppression of T cell-mediated immunity in vivo. I. Delayed-type hypersensitivity specificity of T cell suppression induced by antigen-binding T cell factors that initiate contact sensitivity.
23. Isotype-like suppression of T cell-mediated immunity in vivo. II. Suppression of the early component of contact sensitivity by a Ly-2+ T cell-derived suppressor factor that binds to contact sensitivity-initiating, antigen-specific, Ly-1+ T cell-derived factors that are of different antigen specificities.
24. Release of an endogenous pyrogen from guinea pig leukocytes: the role of T lymphocytes and correlation with suppression (desensitization) of delayed hypersensitivity.
25. Defective elicitation of delayed-type hypersensitivity in W/Wv and SI/SId mast cell-deficient mice.
26. Cutaneous basophil responses and immune resistance of guinea pigs to ticks: passive transfer with peritoneal exudate cells or serum.
27. Interaction of antigen-specific T cell factors with unique "receptors" on the surface of mast cells: demonstration in vitro by an indirect rosetting technique.
28. Reconstitution of an inactive antigen-specific T cell suppressor factor by incubation of the factor with prostaglandins.
29. Rejection of ticks from guinea pigs by anti-hapten-antibody-mediated degranulation of basophils at cutaneous basophil hypersensitivity sites: role of mediators other than histamine.
30. IgE immune complexes induce immediate and prolonged release of leukotriene C4 (LTC4) from rat alveolar macrophages.
31. Sensitization of circulating basophils in guinea pig recipients of passive transfer of cutaneous basophil hypersensitivity (CBH) with immune serum: antigen-specific histamine release in vitro.
32. H-2-dependent cell-mediated immunity in vivo: delayed-type hypersensitivity and contact sensitization induced by fluorescein isothiocyanate-conjugated cells.
33. The antigen-binding T cell factor PCl-F sensitizes mast cells for in vitro release of serotonin. Comparison with monoclonal IgE antibody.
34. Immune serum transfer of cutaneous basophil-associated resistance to ticks: mediation by 7SIgG1 antibodies.
35. Nude mice produce a T cell-derived antigen-binding factor that mediates the early component of delayed-type hypersensitivity.
36. Characterization of tick antigens inducing host immune resistance. I. Immunization of guinea pigs with Amblyomma americanum-derived salivary gland extracts and identification of an important salivary gland protein antigen with guinea pig anti-tick antibodies.
37. Ablation of immunity to Amblyomma americanum by anti-basophil serum: cooperation between basophils and eosinophils in expression of immunity to ectoparasites (ticks) in guinea pigs.
38. A new interpretation of the involvement of serotonin in delayed-type hypersensitivity. Serotonin-2 receptor antagonists inhibit contact sensitivity by an effect on T cells.
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