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Journal Articles

Recombinant soluble alphabeta T cell receptors protect T cells from immune suppression: requirement for aggregated multimeric, disulfide-linked alphabeta heterodimers.

V Paliwal, W Ptak, J Sperl, E Braswell, P W Askenase
Journal: The Journal of Immunology
J Immunol (1997) 159 (4): 1718–1727.
https://doi.org/10.4049/jimmunol.159.4.1718
Published: 15 August 1997
View article titled, Recombinant soluble alphabeta T cell receptors protect T cells from immune suppression: requirement for aggregated multimeric, disulfide-linked alphabeta heterodimers.
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Journal Articles

Delayed-type hypersensitivity in mast cell-deficient mice: dependence on platelets for expression of contact sensitivity.

G P Geba, W Ptak, G M Anderson, V Paliwal, R E Ratzlaff, J Levin, P W Askenase
Journal: The Journal of Immunology
J Immunol (1996) 157 (2): 557–565.
https://doi.org/10.4049/jimmunol.157.2.557
Published: 15 July 1996
View article titled, Delayed-type hypersensitivity in mast cell-deficient mice: dependence on platelets for expression of contact sensitivity.
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Journal Articles

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.

W Ptak, M Szczepanik, R Ramabhadran, P W Askenase
Journal: The Journal of Immunology
J Immunol (1996) 156 (3): 976–986.
https://doi.org/10.4049/jimmunol.156.3.976
Published: 01 February 1996
View article titled, 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.
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Journal Articles

Adoptive cell transfer of contact sensitivity-initiation mediated by nonimmune cells sensitized with monoclonal IgE antibodies. Dependence on host skin mast cells.

H Matsuda, H Ushio, V Paliwal, W Ptak, P W Askenase
Journal: The Journal of Immunology
J Immunol (1995) 154 (10): 5080–5092.
https://doi.org/10.4049/jimmunol.154.10.5080
Published: 15 May 1995
View article titled, Adoptive cell transfer of contact sensitivity-initiation mediated by nonimmune cells sensitized with monoclonal IgE antibodies. Dependence on host skin mast cells.
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Journal Articles

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.

P W Askenase, M Szczepanik, M Ptak, V Paliwal, W Ptak
Journal: The Journal of Immunology
J Immunol (1995) 154 (8): 3644–3653.
https://doi.org/10.4049/jimmunol.154.8.3644
Published: 15 April 1995
View article titled, 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.
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Journal Articles

Monoclonal, antigen-specific, T cell contrasuppressor factor expresses determinants of TCR alpha-chain (not necessarily TCR beta-chain), having a molecular mass of about 40 kDa.

V Paliwal, A M Friedman, W Ptak, P W Askenase
Journal: The Journal of Immunology
J Immunol (1994) 152 (6): 2811–2820.
https://doi.org/10.4049/jimmunol.152.6.2811
Published: 15 March 1994
View article titled, Monoclonal, antigen-specific, T cell contrasuppressor factor expresses determinants of TCR alpha-chain (not necessarily TCR beta-chain), having a molecular mass of about 40 kDa.
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Journal Articles

Gamma delta T cells assist alpha beta T cells in adoptive transfer of contact sensitivity.

W Ptak, P W Askenase
Journal: The Journal of Immunology
J Immunol (1992) 149 (11): 3503–3508.
https://doi.org/10.4049/jimmunol.149.11.3503
Published: 01 December 1992
View article titled, Gamma delta T cells assist alpha beta T cells in adoptive transfer of contact sensitivity.
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Journal Articles

Initiation of delayed-type hypersensitivity by low doses of monoclonal IgE antibody. Mediation by serotonin and inhibition by histamine.

W Ptak, G P Geba, P W Askenase
Journal: The Journal of Immunology
J Immunol (1991) 146 (11): 3929–3936.
https://doi.org/10.4049/jimmunol.146.11.3929
Published: 01 June 1991
View article titled, Initiation of delayed-type hypersensitivity by low doses of monoclonal IgE antibody. Mediation by serotonin and inhibition by histamine.
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Journal Articles

Delayed-type hypersensitivity initiation by early-acting cells that are antigen mismatched or MHC incompatible with late-acting, delayed-type hypersensitivity effector T cells.

W Ptak, W R Herzog, P W Askenase
Journal: The Journal of Immunology
J Immunol (1991) 146 (2): 469–475.
https://doi.org/10.4049/jimmunol.146.2.469
Published: 15 January 1991
View article titled, Delayed-type hypersensitivity initiation by early-acting cells that are antigen mismatched or MHC incompatible with late-acting, delayed-type hypersensitivity effector T cells.
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Journal Articles

The DTH-initiating Thy-1+ cell is double-negative (CD4-, CD8-) and CD3-, and expresses IL-3 receptors, but no IL-2 receptors.

W R Herzog, N R Ferreri, W Ptak, P W Askenase
Journal: The Journal of Immunology
J Immunol (1989) 143 (10): 3125–3133.
https://doi.org/10.4049/jimmunol.143.10.3125
Published: 15 November 1989
View article titled, The DTH-initiating Thy-1+ cell is double-negative (CD4-, CD8-) and CD3-, and expresses IL-3 receptors, but no IL-2 receptors.
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Journal Articles

Nude mice produce a T cell-derived antigen-binding factor that mediates the early component of delayed-type hypersensitivity.

W R Herzog, R Meade, A Pettinicchi, W Ptak, P W Askenase
Journal: The Journal of Immunology
J Immunol (1989) 142 (6): 1803–1812.
https://doi.org/10.4049/jimmunol.142.6.1803
Published: 15 March 1989
View article titled, Nude mice produce a T cell-derived antigen-binding factor that mediates the early component of delayed-type hypersensitivity.
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Journal Articles

Immunoregulatory role of Ig isotypes. II. Activation of cells that block induction of contact sensitivity responses by antibodies of IgG2a and IgG2b isotypes.

W Ptak, C A Janeway, Jr, P M Flood
Journal: The Journal of Immunology
J Immunol (1988) 141 (3): 765–773.
https://doi.org/10.4049/jimmunol.141.3.765
Published: 01 August 1988
View article titled, Immunoregulatory role of Ig isotypes. II. Activation of cells that block induction of contact sensitivity responses by antibodies of IgG2a and IgG2b isotypes.
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Journal Articles

Immunoregulatory role of Ig isotypes. I. Induction of contrasuppressor T cells for contact sensitivity responses by antibodies of the IgM, IgG1, and IgG3 isotypes.

W Ptak, P M Flood, C A Janeway, Jr, J Marcinkiewicz, D R Green
Journal: The Journal of Immunology
J Immunol (1988) 141 (3): 756–764.
https://doi.org/10.4049/jimmunol.141.3.756
Published: 01 August 1988
View article titled, Immunoregulatory role of Ig isotypes. I. Induction of contrasuppressor T cells for contact sensitivity responses by antibodies of the IgM, IgG1, and IgG3 isotypes.
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Journal Articles

Cellular interactions in the adoptive transfer of contact sensitivity: characterization of an antigen-nonspecific Vicia villosa-adherent T cell needed for adoptive transfer into naive recipients.

W Ptak, D R Green, P Flood
Journal: The Journal of Immunology
J Immunol (1986) 137 (6): 1822–1828.
https://doi.org/10.4049/jimmunol.137.6.1822
Published: 15 September 1986
View article titled, Cellular interactions in the adoptive transfer of contact sensitivity: characterization of an antigen-nonspecific Vicia villosa-adherent T cell needed for adoptive transfer into naive recipients.
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Journal Articles

Mechanism of action of a T suppressor factor (TsF) in contact sensitivity: the T cell target for TsF activity in adoptive transfer of immunity is not effector cell.

P Flood, W Ptak, D R Green
Journal: The Journal of Immunology
J Immunol (1986) 137 (6): 1829–1835.
https://doi.org/10.4049/jimmunol.137.6.1829
Published: 15 September 1986
View article titled, Mechanism of action of a T suppressor factor (TsF) in contact sensitivity: the T cell target for TsF activity in adoptive transfer of immunity is not effector cell.
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Journal Articles

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.

W Ptak, M Bereta, M Ptak, P W Askenase
Journal: The Journal of Immunology
J Immunol (1986) 136 (5): 1564–1570.
https://doi.org/10.4049/jimmunol.136.5.1564
Published: 01 March 1986
View article titled, 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.
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Journal Articles

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.

W Ptak, M Bereta, M Ptak, P W Askenase
Journal: The Journal of Immunology
J Immunol (1986) 136 (5): 1554–1563.
https://doi.org/10.4049/jimmunol.136.5.1554
Published: 01 March 1986
View article titled, 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.
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Journal Articles

Suppression and contrasuppression in the induction of contact sensitivity by the administration of cellbound antigen-antibody complexes.

W Ptak, M Bereta, M Ptak, G M Iverson, D R Green
Journal: The Journal of Immunology
J Immunol (1985) 135 (4): 2312–2318.
https://doi.org/10.4049/jimmunol.135.4.2312
Published: 01 October 1985
View article titled, Suppression and contrasuppression in the induction of contact sensitivity by the administration of cellbound antigen-antibody complexes.
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Journal Articles

Characterization of two different Ly-1+ T cell populations that mediate delayed-type hypersensitivity.

H Van Loveren, K Kato, R Meade, D R Green, M Horowitz, W Ptak, P W Askenase
Journal: The Journal of Immunology
J Immunol (1984) 133 (5): 2402–2411.
https://doi.org/10.4049/jimmunol.133.5.2402
Published: 01 November 1984
View article titled, Characterization of two different Ly-1+ T cell populations that mediate delayed-type hypersensitivity.
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Journal Articles

Antigen-specific T contrasuppressor factor in cell-mediated immunity: interactions leading to eradication of the tolerant state.

W Ptak, M Bereta, M Ptak, R K Gershon, D R Green
Journal: The Journal of Immunology
J Immunol (1984) 133 (3): 1124–1130.
https://doi.org/10.4049/jimmunol.133.3.1124
Published: 01 September 1984
View article titled, Antigen-specific T contrasuppressor factor in cell-mediated immunity: interactions leading to eradication of the tolerant state.
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