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. 1993 Jun;67(6):3644–3648. doi: 10.1128/jvi.67.6.3644-3648.1993

An immortalized human fibroblast cell line is permissive for human cytomegalovirus infection.

T Compton 1
PMCID: PMC237717  PMID: 8388516

Abstract

Human foreskin fibroblasts (HFF) were immortalized via retrovirus-mediated gene transfer of the E6 and E7 genes of human papillomavirus type 16. An immortalized fibroblast (IF) cell line which was morphologically akin to the parental cell line was isolated. The IF cell line was evaluated for permissiveness to human cytomegalovirus (HCMV) infection after the IF cell line surpassed the normal passage limitation of diploid fibroblasts. Western immunoblot analysis of representative HCMV-encoded immediate-early (72-kDa), early (gB), and late (gH) gene products demonstrated that the IF cell line produced these proteins analogous to those produced by the parental HFF cells. Similar quantities of infectious virus were produced in the IF and HFF cell lines as determined in one-step growth curve experiments. Compared with the HFF cells, morphologically identical plaques were produced in the IF cell line in approximately 10 to 12 days postinfection. These findings indicate that fibroblast cell lines immortalized with transforming genes of human papillomavirus retain complete permissiveness to HCMV infection and support plaque formation. The IF cell line will be useful for future genetic analysis of HCMV.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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