Abstract:
:Cell substrate DNA was shown to be an abundant contaminant in the clarified preparations of the Sabin type 1, 2 and 3 poliovaccines produced on a continuous cell line (4647). The size of the DNA, as evaluated for the Sabin type 1 poliovaccine, was highly heterogeneous, ranging from 100 to 20,000 base pairs. In view of potential oncogenicity of this DNA a simple and efficient procedure for its elimination is proposed. The method is based on use of protamine sulphate which at the concentration of 2.0 mg ml-1 precipitated cell DNA almost completely without affecting the virus titres.
journal_name
Vaccinejournal_title
Vaccineauthors
Amosenko FA,Svitkin YV,Popova VD,Terletskaya EN,Timofeev AV,Elbert LB,Lashkevich VA,Drozdov SGdoi
10.1016/0264-410x(91)90156-zsubject
Has Abstractpub_date
1991-03-01 00:00:00pages
207-9issue
3eissn
0264-410Xissn
1873-2518pii
0264-410X(91)90156-Zjournal_volume
9pub_type
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