Natural killer cell activity in lymphocytic choriomeningitis virus-infected β2-microglobulin-deficient mice

Allan J. Zajac, Daniel Muller, Katrina Pederson, Jeffrey A Frelinger, Daniel G. Quinn

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

We have investigated the induction and role of natural killer (NK) activity in lymphocytic choriomeningitis virus (LCMV)-infected β2-microglobulin-deficient (β2m-) mice. We demonstrate that LCMV infection is more effective than polyinosinic:poiycytidylic acid (poly I:C) at stimulating NK activity in β2m- .In addition, β2m- NK cells respond poorly to in vitro treatment with IL-12. The target specificity of the virally induced NK cells is similar to that previously reported for chemically induced β2m- NK cells. In both cases they can lyse YAC-1 tumor cells but are unable to kill β2m- orβ2m+ T cell blasts. We have also found that the time course of induction of NK and cytotoxic T lymphocyte (CTL) activity by LCMV in β2m- mice is delayed compared with normal mice. Maximal NK and CTL activity is attained at day 8 and 10 post-infection respectively in β2m- compared with day 4 and 6-8 in B6 mice. Whereas normal mice die ̃7 days following intracranial infection with LCMV, the course of disease in β2-m mice is protracted and characterized by a marked loss of body weight. We show that although the CD4+ CTL response in these mice is intimately involved in mediating weight loss, the virus-induced NK cells do not appear to play a role in the disease.

Original languageEnglish (US)
Pages (from-to)1545-1556
Number of pages12
JournalInternational Immunology
Volume7
Issue number10
DOIs
StatePublished - Oct 1995
Externally publishedYes

Fingerprint

Lymphocytic choriomeningitis virus
Viruses
Natural Killer Cells
T-cells
Virus
Mouse
Cell
T Lymphocytes
Cytotoxic T-Lymphocytes
Infection
Virus Diseases
Proof by induction
Poly I
Tumors
Blast
Interleukin-12
Cells
Specificity
Weight Loss
Tumor

Keywords

  • 12, polyinosinic:polycytidylic acid
  • Cytotoxic T cells
  • IL-12

ASJC Scopus subject areas

  • Statistics, Probability and Uncertainty
  • Applied Mathematics
  • Public Health, Environmental and Occupational Health
  • Neuropsychology and Physiological Psychology
  • Transplantation
  • Immunology

Cite this

Natural killer cell activity in lymphocytic choriomeningitis virus-infected β2-microglobulin-deficient mice. / Zajac, Allan J.; Muller, Daniel; Pederson, Katrina; Frelinger, Jeffrey A; Quinn, Daniel G.

In: International Immunology, Vol. 7, No. 10, 10.1995, p. 1545-1556.

Research output: Contribution to journalArticle

Zajac, Allan J. ; Muller, Daniel ; Pederson, Katrina ; Frelinger, Jeffrey A ; Quinn, Daniel G. / Natural killer cell activity in lymphocytic choriomeningitis virus-infected β2-microglobulin-deficient mice. In: International Immunology. 1995 ; Vol. 7, No. 10. pp. 1545-1556.
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