Human recombinant interleukin-2 augments in vitro blastogenesis of bovine and porcine lymphocytes

Jeffrey L Stott, B. W. Fenwick, Bennie Osburn

Research output: Contribution to journalArticlepeer-review

20 Scopus citations


The recent cloning of the human gene encoding interleukin 2 (IL-2) has provided the means for economical production of large quantities of the pure lymphokine for clinical studies. Human recombinant interleukin 2 (HrIL-2) has been reported to have in vitro and in vivo immunomodulating effects in the murine system, suggesting the cloned gene product has cross-species activity. Bovine and porcine peripheral blood lymphocytes were tested for responsiveness to HrIL-2 in a lymphocyte blastogenesis assay. Not only was the HrIL-2 highly stimulatory but it also reconstituted lymphocyte responsiveness to maximal values following incubation with suboptimal concentrations of mitogen plus exogenous lymphokine. These studies suggest that HrIL-2 has the potential of serving as an in vivo modulator of immunoresponsiveness in domestic species. The contribution to food animal medicine will be considerable if administration of the lymphokine results in augmentation of antigen-specific immune responses when applied as an adjuvant, non-specific booster of pre-existing immunity, or for therapy of immunosuppression.

Original languageEnglish (US)
Pages (from-to)31-38
Number of pages8
JournalVeterinary Immunology and Immunopathology
Issue number1-2
StatePublished - 1986

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Immunology
  • veterinary(all)


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