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Selective growth of T lymphocytes occurred when unfractionated normal human bone marrow cells were cultured with conditioned medium obtained from phytohemagglutinin-stimulated normal human lymphocytes (Ly-CM). Cultures of up to 90 percent T cells have been maintained for more than 9 months. The T cells exhibited a strict growth dependence upon Ly-CM and were consistently negative for Epstein-Barr viral information.
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Morgan et al. (Fri,) studied this question.
synapsesocial.com/papers/69dcd76b93ad366770e52ed7 — DOI: https://doi.org/10.1126/science.181845
Doris A. Morgan
Allegheny College
Francis W. Ruscetti
University of Maryland, Baltimore
Robert C. Gallo
The Wistar Institute
Science
National Cancer Institute
Bionetics (United States)
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