Aging of natural and acquired immunity of mice. I. Decreased natural killer cell function and hybrid resistance

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Abstract

Two (natural resistance) functions, natural killer (NK) cell activity against YAC-1 lymphoma cells and rejection by irradiated mice of parental-strain or H-2 allogeneic bone marrow cell grafts (hybrid or allogeneic resistance) were compared in mice at ages between 10 weeks and 26 months. NK cell numbers, as assessed by target-binding cells, decreased to one-half that of young mouse spleen cells, whereas NK lytic function was much more depressed. Hybrid, but not allogeneic, resistance to marrow grafts was weakened by 17 months of age. The immunogenicity of marrow stem cells of old Fl hybrid mice had not changed. The interferon inducer polyinosinic:polycytidylic acid (pI:pC) restored hybrid resistance to marrow grafts but only weakly boosted NK cell function in old mice. Incubation of spleen cells of old mice with β interferon resulted in a weak boosting ofNK cell activity. No cells capable of inhibiting NK cell function were detected in the spleens of old mice. These findings in old mice were similar to findings in young mice treated with 89 Sr, with the exceptions that both hybrid and allogeneic resistance to marrow grafts are defective in 89 Sr-treated mice and pT.pC failed to restore hybrid resistance in mice treated with 89 Sr. This loss of (natural resistance) by aged mice, perhaps mediated by marrow-dependent effector cells, can partially explain the increased incidence of tumors in aging populations.

Original languageEnglish (US)
Pages (from-to)15-24
Number of pages10
JournalCancer Investigation
Volume1
Issue number1
DOIs
StatePublished - Jan 1 1983
Externally publishedYes

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Adaptive Immunity
Innate Immunity
Natural Killer Cells
Bone Marrow
Transplants
Spleen
Interferon Inducers
Poly I-C
Bone Marrow Cells
Interferons
Lymphoma
Stem Cells
Cell Count

All Science Journal Classification (ASJC) codes

  • Oncology
  • Cancer Research

Cite this

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abstract = "Two (natural resistance) functions, natural killer (NK) cell activity against YAC-1 lymphoma cells and rejection by irradiated mice of parental-strain or H-2 allogeneic bone marrow cell grafts (hybrid or allogeneic resistance) were compared in mice at ages between 10 weeks and 26 months. NK cell numbers, as assessed by target-binding cells, decreased to one-half that of young mouse spleen cells, whereas NK lytic function was much more depressed. Hybrid, but not allogeneic, resistance to marrow grafts was weakened by 17 months of age. The immunogenicity of marrow stem cells of old Fl hybrid mice had not changed. The interferon inducer polyinosinic:polycytidylic acid (pI:pC) restored hybrid resistance to marrow grafts but only weakly boosted NK cell function in old mice. Incubation of spleen cells of old mice with β interferon resulted in a weak boosting ofNK cell activity. No cells capable of inhibiting NK cell function were detected in the spleens of old mice. These findings in old mice were similar to findings in young mice treated with 89 Sr, with the exceptions that both hybrid and allogeneic resistance to marrow grafts are defective in 89 Sr-treated mice and pT.pC failed to restore hybrid resistance in mice treated with 89 Sr. This loss of (natural resistance) by aged mice, perhaps mediated by marrow-dependent effector cells, can partially explain the increased incidence of tumors in aging populations.",
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Aging of natural and acquired immunity of mice. I. Decreased natural killer cell function and hybrid resistance. / Fitzgerald-Bocarsly, Patricia; Bennett, Michael.

In: Cancer Investigation, Vol. 1, No. 1, 01.01.1983, p. 15-24.

Research output: Contribution to journalArticle

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