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Int J Cancer. 1977 Dec 15;20(6):861-8.

Mechanism of the establishment of Epstein-Barr virus genome-containing lymphoid cell lines from infectious mononucleosis patients: studies with phosphonoacetate.


A concentration of disodium phosphonoacetate (PA) has been defined which will reduce the synthesis of infectious EB virus in a producer cell line to 1% of control values but which will not affect the growth of EB virus-transformed cells in a 12-week colony-forming assay. When total mononuclear cells or T-lymphocyte-depleted mononuclear cells from the blood of acute IM patients were cultured in the presence of PA at the above concentration, the regular establishment of EB virus genome-containing cell lines seen in control cultures was almost totally abolished. In further experiments, when T-lymphocyte-depleted IM mononuclear cells were co-cultivated with foetal cells of the opposite sex in the presence and absence of PA, cell lines of mixed or of exclusively foetal origin were obtained not only from control co-cultures but also on those rare occasions when transformed foci developed in PA-treated co-cultures. The results suggest that all cell lines derived from the blood of IM patients are initiated in culture by a two-step process of virus release and secondary infection, and argue against the occurrence of any direct outgrowth of IM cells transformed by the virus in vivo.

[Indexed for MEDLINE]

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