Abstract
Myxofibrosarcoma (MFS) is a rare and aggressive mesenchymal malignancy characterized by complex karyotypes with heterogeneous clinical features. The standard treatment for primary MFS is curative resection; however, the utility of systemic chemotherapy and radiotherapy has not been established. Although patient-derived cancer cell lines are a key bioresource for developing novel therapies, the number of MFS cell lines available from public cell banks is limited by the rarity of the disease, and large-scale drug screening has not yet been performed. To address this issue, we aimed to establish and characterize a novel MFS cell line. We successfully established a cell line, NCC-MFS6-C1, which harbors genetic abnormalities common in MFS and exhibits aggressive phenotypes such as continuous growth, spheroid formation, and invasion in tissue culture conditions. We performed drug screening using NCC-MFS6-C1 along with five MFS cell lines established in our laboratory and clarified the response spectrum of 214 existing anticancer agents. We found that two anticancer agents, gemcitabine and romidepsin, showed considerable antiproliferative effects, and these observations were concordant with the findings of our previous report, in which these agents attenuated the proliferation of five previously reported MFS cell lines. We conclude that NCC-MFS6-C1 is a useful resource for studying MFS.
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Acknowledgements
We thank Drs. E. Kobayashi, F. Nakatani, S. Iwata, K. Ogura, K. Ozaki, S. Fukushima, K. Sato, S. Ishihara Y. Toda (Department of Musculoskeletal Oncology), K. Yokoyama (Department of Diagnostic Pathology), and the National Cancer Center Hospital for sampling tumor tissue specimens from surgically resected materials. We also appreciate the technical assistance provided by Mrs. Y. Kuwata (Division of Rare Cancer Research) and the technical support provided by Mrs. Y. Shiotani, Mr. N. Uchiya, and Dr. T. Imai (Central Animal Division, National Cancer Center Research Institute). We wish to thank Editage (www.editage.jp) for providing English language editing services, and constructive comments on this manuscript. Technical assistance was rendered by the Fundamental Innovative Oncology Core of the National Cancer Center.
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This research was supported by the Japan Agency for Medical Research and Development (Grant Number: 20ck0106537h0002).
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The ethics committee of National Cancer Center approved the use of clinical materials for this study (Approval Numbers 2004–050). Animal experiments were conducted in accordance with the guidelines of the Institute for Laboratory Animal Research of the National Cancer Center Research Institute.
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Yoshimatsu, Y., Noguchi, R., Sin, Y. et al. Establishment and characterization of NCC-MFS6-C1: a novel patient-derived cell line of myxofibrosarcoma. Human Cell 35, 1993–2001 (2022). https://doi.org/10.1007/s13577-022-00749-7
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DOI: https://doi.org/10.1007/s13577-022-00749-7