Spleen natural killer (NK) activity was Investigated In cells from C57BL/6J mice treated with
various chemotherapeutic agents; 51Cr-labeled YAC-1 lymphoma cells were used as …

A marked increase in natural killer (NK) activity is observed with lymphoid cells prepared
from SJL/J mouse spleen and lymph nodes, in which a transplantable reticulum‐cell …

A procedure for enrichment in recombinant interleukin-2 (rIL2)-activated natural killer (NK)
cells was developed and used for in vitro generation of antitumor effector cells from the …

In a comprehensive study of 30 leukemia patients, it was found that a measurable fraction of
fresh leukemic blasts from 8 of 8 adult patients with chronic myelogenous leukemia (CML) in …

Natural killer (NK) activity of human peripheral blood lymphocytes (HPBL) was studied in 32
alcoholics and 15 control subjects in a 4‐h chromium release assay using K562 tumor target …

The influence of surgical stress on the natural killer (NK) activity of peripheral blood
lymphocytes in patients with carcinoma of the lung or gastrointestinal system was studied …

The identity of cells producing interferon among human peripheral blood lymphocytes in
contact with tumor cells was investigated. The producer cells were target cell‐adherent …

To define critical parameters concerning interferon (IFN) effects upon natural killer (NK) cells
in vivo, we gave cancer patients serial weekly intramuscular injections of purified …

In vitro culture of normal lymphohemopoietic cells is a complex event leading to the
generation of a diverse group of effector cells. When murine spleen cells are cultured by …

The in vitro cytotoxicity of rat natural killer cells was augmented by the incubation of normal
spleen cells with a soluble factor derived from the 24‐h culture of spleen cells and various …