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Evaluation of epstein-barr virus-associated nuclear antigen with various human cell lines

✍ Scribed by Masahiro Suzuki; Yorio Hinuma

Publisher
John Wiley and Sons
Year
1974
Tongue
French
Weight
574 KB
Volume
14
Category
Article
ISSN
0020-7136

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✦ Synopsis

Abstract

Critical evaluation of the anti‐complement immunofluorescence (ACIF) test for Epstein‐Barr virus‐associated nuclear antigen (EBNA) in known EBV‐associated cell lines was carried out. The ACIF procedure, in which the cell smears were thoroughly air‐dried and fixed with carbon tetrachloride (for 15 min at room temperature), provided reproducible staining results with minimum variations. The fixed smears could be stored for at least 5 weeks at −8° C without loss of reactivity. On the basis of the above evaluation, a total of 59 human cell lines, which had unknown or uncertain association with EBV, were examined for the presence or absence of EBNA by the ACIF procedure. All of the cell lines tested could be judged positive or negative for EBNA. All of 21 lines growing as monolayer or in a mixed state of monolayer and suspension, were negative. Of 38 lines grown in suspension, 36 lymphoblastoid lines were positive but the remaining 2 lines (seemingly not lymphoblastoid) were negative.

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