HeLa cell heterogeneity and coxsackievirus B3 cytopathic effect: implications for inter-laboratory reproducibility of results.

Abstract excerpt

Concerns over cell line identities and contamination have led investigators to acquire fresh stocks of HeLa CCL-2 cells, but results with the HeLa CCL-2 cells do not always reproduce results with HeLa cells that have long history in the laboratory. When used for TCID(50) assays of Coxsackievirus B3/28 (CVB3/28), HeLa CCL-2 cells returned titers for CVB3/28 that were more than ten-fold lower than titers obtained...

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