Abstract
Synovial sarcoma (SS) is a rare and aggressive mesenchymal malignancy driven by a unique chromosomal translocation that generates the expression of the SS18:SSX fusion protein. It occurs at almost any anatomical site and most commonly in young adults. The standard curative treatment for primary SS is a wide surgical resection combined with radiotherapy and/or neoadjuvant chemotherapy. The prognosis of SS varies among patients, with the 5 years survival rate ranging from 50 to 60% in adults and 90% in children. Although patient-derived cell lines are a useful resource for the development of new therapies, only a few are available from public cell banks. Therefore, this study aimed to establish and characterize a novel SS cell line. We successfully established a novel cell line, NCC-SS5-C1, harboring an SS18-SSX1 fusion gene. NCC-SS5-C1 cells demonstrated constant growth and invasion ability. We performed integrative drug screening using eight SS cell lines, including NCC-SS5-C1 cells, and examined the response spectrum of existing anticancer agents. We conclude that NCC-SS5-C1 is a useful resource for studying SS.
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Acknowledgements
We appreciate the technical support provided by Mesdames Yu Kuwata and Rina Sasaki (Division of Rare Cancer Research, National Cancer Center). We appreciate Takshi Kondo (Hokkaido University School of Medicine) for data mining about cell lines. We thank Editage (www.editage.jp) for their English language editing services and constructive comments on the manuscript. This study was technically assisted by the Fundamental Innovative Oncology Core of the National Cancer Center.
Funding
This research was supported by the Japan Agency for Medical Research and Development (Grant number: 20ck0106537h0002).
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Yoshimatsu, Y., Noguchi, R., Sin, Y. et al. Establishment and characterization of NCC-SS5-C1: a novel patient-derived cell line of synovial sarcoma. Human Cell 35, 1290–1297 (2022). https://doi.org/10.1007/s13577-022-00721-5
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DOI: https://doi.org/10.1007/s13577-022-00721-5