Inhibition of human lymphoma cell‐line colony formation by lymphocytes from patients with lymphoma and cancer hospital employees

B. Drewinko, G. M. Mavligit, U. Ambus, E. M. Hersh

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Abstract

Inhibition of human lymphoma cell‐line colony formation (ICF) was induced by peripheral blood lymphocytes (PBL) from patients with lymphoma and apparently healthy cancer hospital personnel. PBL from patients with nonlymphoma neoplasms and from normal blood bank donors did not elicit ICF. ICF was most marked when PBL were cocultivated for 24 hours in a ratio of 1000:1 with target lymphoma cells that had been cultured for 24 hours before exposure. No significant ICF was observed when target cells consisted of human neurogenic sarcoma, melanoma, colon adenocarcinoma, or Chinese hamster cells. It is possible that ICF is elicited by PBL sensitized to a cross‐reacting antigen present on the membrane of cultured lymphoma cells. This antigen may be synthesized by a transmissible etiologic factor.

Original languageEnglish (US)
Pages (from-to)2929-2937
Number of pages9
JournalCancer
Volume37
Issue number6
DOIs
StatePublished - Jun 1976

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ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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