Effectiveness of a mycoplasma elimination reagent on a mycoplasma-contaminated hybridoma cell line |
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Authors: | Kumar Ashok Ali Arif Yerneni Lakshmana K |
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Institution: | Cell Biology Laboratory, Institute of Pathology (ICMR), Safdarjung Hospital Campus, New Delhi, India. |
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Abstract: | Mycoplasma contamination in cell culture is a frequently occurring serious limitation to biomedical research, particularly when it affects the irreplaceable cell lines. Although there are few reports of its successful elimination through rigorous protocols, it is the usual practice to destroy the infected cultures. Lately, a physical method using a mycoplasma-eliminating surfactin was described to effectively eliminate mycoplasma contamination from infected cell lines upon single use. We made an attempt using surfactin, an anti-mycoplasma biosurfactant, to eliminate mycoplasma from an extensively infected irreplaceable hybridoma cell line. There were apparent indications of limited elimination, suggesting the possible usefulness of surfactin in achieving total decontamination. However, it was observed that surfactin was toxic to the infected hybridoma cells plated at various cell densities and exposure times. It is suggested that preliminary tests should be performed to determine the cytotoxicity of surfactin with sufficient back-ups of the contaminated cell culture before decontamination is attempted. Additionally, possible ways to enhance its effectiveness are discussed. |
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