Generation of long-term human cytolytic cell lines with persistent natural killer activity

A. M. Krensky, K. A. Ault, C. S. Reiss, J. L. Strominger, S. J. Burakoff

Research output: Contribution to journalArticlepeer-review

Abstract

Human cell lines maintained by in vitro stimulation with the HLA-A, B-negative, DR-positive, Epstein Barr virus-transformed, lymphoblastoid cell line Daudi in the presence of conditioned medium demonstrated significant NK activity for over 6 wk in continuous culture. These cells lyse K562 and a broad panel of lymphoblastoid cell lines but do not lyse normal peripheral blood lymphocytes or pokeweed mitogen blasts. They possess the sheep red blood cell receptor but lack other T cell markers (Lyt-3+, OKT3-). Natural killer activity correlated with the presence of a Mac 1-positive subpopulation of cells present in these long-term lines.

Original languageEnglish (US)
Pages (from-to)1748-1751
Number of pages4
JournalJournal of Immunology
Volume129
Issue number4
StatePublished - 1982

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

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