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Cytometry B Clin Cytom. 2021 May;100(3):370-376. doi: 10.1002/cyto.b.21950. Epub 2020 Aug 28.

Use of the cell division assay to diagnose Fanconi anemia patients' hypersensitivity to mitomycin C.

Cytometry. Part B, Clinical cytometry

Ola Hammarsten, Aida Muslimovic, Sofia Thunström, Torben Ek, Pegah Johansson

Affiliations

  1. Department of Laboratory Medicine, Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden.
  2. Laboratory of Clinical Chemistry, Sahlgrenska University Hospital, Gothenburg, Sweden.
  3. Clinical Genetics, Sahlgrenska University Hospital, Gothenburg, Sweden.
  4. Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Academy, Gothenburg University, Gothenburg, Sweden.
  5. Children's Cancer Centre, Queen Silvia Children's Hospital, Gothenburg, Sweden.

PMID: 32857894 PMCID: PMC8246776 DOI: 10.1002/cyto.b.21950

Abstract

The recently reported cell division assay (CDA) was optimized to measure the relative sensitivity of cells to cytotoxic drugs in vitro. Here, we investigated the in vitro hypersensitivity of lymphocytes from Fanconi anemia (FA) patients, to cytotoxic drugs using CDA. Peripheral blood mononuclear cells (PBMC) as well as cell lines derived from FA patients were treated with two DNA interstrand crosslinking (ICL) agents, mitomycin C and cyclophosphamide. Our data indicate that the CDA detects hypersensitivity of cells from FA patients to mitomycin C. Further, cell lines derived from FA-patients were also hypersensitive to mitomycin C as well as cyclophosphamide, when assayed by the CDA. This study suggests that the CDA is a useful alternative for the diagnosis of FA patients' hypersensitivity to ICL agents.

© 2020 The Authors. Cytometry Part B: Clinical Cytometry published by Wiley Periodicals LLC on behalf of International Clinical Cytometry Society.

Keywords: DNA interstrand crosslinking (ICL) agents; Fanconi anemia (FA); cell division assay (CDA); flow cytometry; mitomycin C

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