Cited by 45Microbial infections and disease researchClinical Laboratory Practices and Quality ControlViral Infectious Diseases and Gene Expression in Insects

False and mycoplasma-contaminated leukemia-lymphoma cell lines: time for a reappraisal

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Drexler, Hans G., Dirks, Wilhelm G., MacLeod, Roderick A.F., Uphoff, Cord C.·2017·International Journal of Cancer

Abstract

Leukemia–lymphoma cell lines are important research tools in a variety of fields. To represent adequate model systems it is of utmost importance that cell lines faithfully model the primary tumor material and are not cross‐contaminated with unrelated cell material (or contaminated with mycoplasma). As it has been previously reported that cross‐contaminated cell lines represent a significant problem, it is of interest to know whether any improvement in the prevalence of such “false cell lines” had occurred since we called the alert in 1999. A retrospective review of our data archives covered 848 cell lines received from 1990 to 2014 from 290 laboratories in 23 countries spanning the spectrum of leukemia–lymphoma entities. Two variables were considered: authenticity and freedom from mycoplasma infection. Regarding provenance, we separately considered primary sources (original investigators having established the cell lines or reference repositories) and secondary sources. The percentages of mycoplasma‐contaminated cell lines decreased significantly over the 25‐year timespan. Among primary sourced material: mycoplasma‐contamination fell from 23% to 0%; among secondary sourced: from 48% to 21%. The corresponding figures for cross‐contamination declined from 15% to 6%, while among material obtained from secondary sources prevalence remained remarkably high, throughout the time periods at 14–18%. Taken together, our data indicate that using non‐authenticated cell lines from secondary sources carries a risk of about 1:6 for obtaining a false cell line. The use of authentic leukemia–lymphoma cell lines holds important translational value for their model character and the reproducibility of the laboratory data in the clinical arena.

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  • The International Journal of Cancer observed cell line problems in approximately one fifth of submitted manuscripts over the three-year period from 2018 to 2021.

    “The International Journal of Cancer (”

    From The history, landscape, and outlook of human cell line authentication and security (2024) · cites this paper as [9]

    The Introduction (p. 1209–1210) says the study examined 848 leukemia-lymphoma cell lines received between 1990 and 2014, not manuscripts submitted to the International Journal of Cancer between 2018 and 2021. The Discussion (p. 1213) estimates that about one in six circulating cell-line cultures were cross-contaminated; that figure does not describe a share of submitted manuscripts. (LLM, conf=0.89)

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  • Swift actions against mycoplasma led to a significant reduction in primary cell line contamination and secondary contamination.

    “These swift actions led to a significant reduction in primary cell line contamination and secondary contamination [9,14].”

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Research works printed but not linked: 7

  1. MacLeod RAF, Dirks WG, Kaufmann M, et al. Widespread intraspecies cross-contamination of human tumor cell lines arising at source. Int J Cancer 1999;83:555-63.
  2. H€ ane B, T€ ummler M, J€ ager K, et al. Differences in DNA fingerprints of continuous leukemia- lymphoma cell lines from different sources. Leu- kemia 1992;6:1129-33.
  3. MacLeod RAF, Kaufmann M, Drexler HG. Cytogenetic harvesting of commonly used tumor cell lines. Nat Protoc 2007;2:372-82.
  4. MacLeod RAF, Drexler HG. Classical and molec- ular cytogenetic analysis. Methods Mol Biol 2013; 946:39-60.
  5. Freshney RI. Authentication of cell lines: ignore at your peril! Expert Rev Anticancer Ther 2008;8:311-4.
  6. Shoemaker RH. The NCI60 human tumour cell line anticancer drug screen. Nat Rev Cancer 2006; 6:813-23. Tumor Markers and Signatures 1214 Cross-contamination and mycoplasma-contamination Int. J. Cancer: 140, 1209-1214 (2017)
  7. V C 2016 UICC 10970215, 2017, 5, Downloaded from https://onlinelibrary.wiley.com/doi/10.1002/ijc.30530 by Readcube (Labtiva Inc.), Wiley Online Library on [20/08/2023]. See the Terms and Conditions (https://onlinelibrary.wiley.com/terms-and-conditions) on Wiley Online Library for rules of use; OA articles are governed by the applicable Creative Commons License · DOI

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Authors
Drexler, H. G., Dirks, W. G., MacLeod, R. A. F., & Uphoff, C. C.
Affiliations
Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures (DE)
Corresponding author
Drexler, Hans G.
Venue
International Journal of Cancer
Publisher
Wiley
Published
2017-01-18
Volume
140
Issue
5
Pages
1209-1214
ISSN
  • 0020-7136 (ISSN-L)
  • 1097-0215
OpenAlex
W2554648560
Cited by
45
References
17
Citations by year
2025: 1 · 2024: 4 · 2023: 6 · 2022: 10 · 2021: 5 · 2020: 6 · 2019: 3 · 2018: 6 · 2017: 3
FWCI
4.10
Type
journal article
Language
en
Open access
Locations
  • International Journal of Cancer (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Microbiology › Microbial infections and disease research
  • Health Sciences › Medicine › Physiology › Clinical Laboratory Practices and Quality Control
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Viral Infectious Diseases and Gene Expression in Insects
Keywords
leukemia-lymphoma cell lines, mycoplasma contamination, cross-contamination, cell line authentication
MeSH terms
Humans, Karyotyping, Leukemia, Lymphoma, Mycoplasma, Retrospective Studies, DNA Fingerprinting, In Situ Hybridization, Cell Line, Tumor

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