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Effects of cytochalasin and alkaloid drugs on the biological expression of herpes simplex virus type 2 DNA

Experimental Cell Research, ISSN: 0014-4827, Vol: 103, Issue: 1, Page: 15-22
1976
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Article Description

Pretreatment of rabbit kidney cells with cytochalasins B and D (CB, CD) enhanced herpes simplex virus type 2 (HSV-2) DNA infectivity 3- to 6-fold over values obtained using the standard CaCl 2 technique. Cells were pretreated with CB for 4–6 h to achieve infectivity enhancement. A lower concentration of CD, and shorter pretreatment periods, resulted in comparable DNA infectivity. Separate exposure of cells to colchicine, colcemid, or vinblastine increased DNA infectivity 7-, 6-, and 5-fold, respectively, over control values. Additional enhancement was obtained when CD was used together with any one of the aforementioned drugs. Maximal enhancement of HSV-2 DNA infectivity was obtained by pretreating recipient cells with a drug mixture containing colchicine, colcemid, and CD. This treatment maximized infectivity levels 20- to 30-fold over CaCl 2 control values.

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