Alloantigens placed into the anterior chamber of the eye induce specific suppression of delayed-type hypersensitivity but normal cytotoxic T lymphocyte and helper T lymphocyte responses

J. Y. Niederkorn, J. W. Streilein

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Abstract

Intracameral inoculation of allogeneic B16F10 melanoma cells (C57BL/6) into LP/J mice resulted in progressively growing intraocular tumors and impaired delayed-type hypersensitivity (DTH) reactivity. Additional experiments showed that DTH responses were specifically down-regulated by splenic T suppressor cells. By contrast, subcutaneous inoculation of B16F10 melanoma cells induced significant DTH responses to the alloantigens expressed on the tumor cells and stimulated brisk rejection of the subcutaneously injected tumor cells. In spite of the T suppressor cell inhibition of DTH reactivity, significant cytotoxic T lymphocyte activity could be demonstrated in lymphoid cell suspensions from hosts harboring allogeneic intraocular tumors. The demonstrated cytotoxic T lymphocyte activity is particularly noteworthy because it occurs in the face of severely suppressed DTH responsiveness and thus implies that the intracameral presentation of alloantigens evokes a precise immunoregulatory process that selectively and concomitantly modulates specific cellular immune components; one immune process (cytotoxic T lymphocyte function) is stimulated whereas the other (DTH responsiveness) is down-regulated.

Original languageEnglish (US)
Pages (from-to)2670-2674
Number of pages5
JournalJournal of Immunology
Volume131
Issue number6
StatePublished - 1983

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Isoantigens
Delayed Hypersensitivity
Anterior Chamber
Cytotoxic T-Lymphocytes
Helper-Inducer T-Lymphocytes
Melanoma
Neoplasms
Suspensions
Lymphocytes

ASJC Scopus subject areas

  • Immunology

Cite this

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title = "Alloantigens placed into the anterior chamber of the eye induce specific suppression of delayed-type hypersensitivity but normal cytotoxic T lymphocyte and helper T lymphocyte responses",
abstract = "Intracameral inoculation of allogeneic B16F10 melanoma cells (C57BL/6) into LP/J mice resulted in progressively growing intraocular tumors and impaired delayed-type hypersensitivity (DTH) reactivity. Additional experiments showed that DTH responses were specifically down-regulated by splenic T suppressor cells. By contrast, subcutaneous inoculation of B16F10 melanoma cells induced significant DTH responses to the alloantigens expressed on the tumor cells and stimulated brisk rejection of the subcutaneously injected tumor cells. In spite of the T suppressor cell inhibition of DTH reactivity, significant cytotoxic T lymphocyte activity could be demonstrated in lymphoid cell suspensions from hosts harboring allogeneic intraocular tumors. The demonstrated cytotoxic T lymphocyte activity is particularly noteworthy because it occurs in the face of severely suppressed DTH responsiveness and thus implies that the intracameral presentation of alloantigens evokes a precise immunoregulatory process that selectively and concomitantly modulates specific cellular immune components; one immune process (cytotoxic T lymphocyte function) is stimulated whereas the other (DTH responsiveness) is down-regulated.",
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T1 - Alloantigens placed into the anterior chamber of the eye induce specific suppression of delayed-type hypersensitivity but normal cytotoxic T lymphocyte and helper T lymphocyte responses

AU - Niederkorn, J. Y.

AU - Streilein, J. W.

PY - 1983

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N2 - Intracameral inoculation of allogeneic B16F10 melanoma cells (C57BL/6) into LP/J mice resulted in progressively growing intraocular tumors and impaired delayed-type hypersensitivity (DTH) reactivity. Additional experiments showed that DTH responses were specifically down-regulated by splenic T suppressor cells. By contrast, subcutaneous inoculation of B16F10 melanoma cells induced significant DTH responses to the alloantigens expressed on the tumor cells and stimulated brisk rejection of the subcutaneously injected tumor cells. In spite of the T suppressor cell inhibition of DTH reactivity, significant cytotoxic T lymphocyte activity could be demonstrated in lymphoid cell suspensions from hosts harboring allogeneic intraocular tumors. The demonstrated cytotoxic T lymphocyte activity is particularly noteworthy because it occurs in the face of severely suppressed DTH responsiveness and thus implies that the intracameral presentation of alloantigens evokes a precise immunoregulatory process that selectively and concomitantly modulates specific cellular immune components; one immune process (cytotoxic T lymphocyte function) is stimulated whereas the other (DTH responsiveness) is down-regulated.

AB - Intracameral inoculation of allogeneic B16F10 melanoma cells (C57BL/6) into LP/J mice resulted in progressively growing intraocular tumors and impaired delayed-type hypersensitivity (DTH) reactivity. Additional experiments showed that DTH responses were specifically down-regulated by splenic T suppressor cells. By contrast, subcutaneous inoculation of B16F10 melanoma cells induced significant DTH responses to the alloantigens expressed on the tumor cells and stimulated brisk rejection of the subcutaneously injected tumor cells. In spite of the T suppressor cell inhibition of DTH reactivity, significant cytotoxic T lymphocyte activity could be demonstrated in lymphoid cell suspensions from hosts harboring allogeneic intraocular tumors. The demonstrated cytotoxic T lymphocyte activity is particularly noteworthy because it occurs in the face of severely suppressed DTH responsiveness and thus implies that the intracameral presentation of alloantigens evokes a precise immunoregulatory process that selectively and concomitantly modulates specific cellular immune components; one immune process (cytotoxic T lymphocyte function) is stimulated whereas the other (DTH responsiveness) is down-regulated.

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