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- ItemRadiobiological effects of wound fluid on breast cancer cell lines and human-derived tumor spheroids in 2D and microfluidic culture([London] : Macmillan Publishers Limited, part of Springer Nature, 2022) Jeibouei, Shabnam; Hojat, Ali; Mostafavi, Ebrahim; Aref, Amir Reza; Kalbasi, Alireza; Niazi, Vahid; Ajoudanian, Mohammad; Mohammadi, Farzaneh; Saadati, Fariba; Javadi, Seyed Mohammadreza; Shams, Forough; Moghaddam, Maryam; Karami, Farshid; Sharifi, Kazem; Moradian, Farid; Akbari, Mohammad Esmaeil; Zali, HakimehIntraoperative radiotherapy (IORT) could abrogate cancer recurrences, but the underlying mechanisms are unclear. To clarify the effects of IORT-induced wound fluid on tumor progression, we treated breast cancer cell lines and human-derived tumor spheroids in 2D and microfluidic cell culture systems, respectively. The viability, migration, and invasion of the cells under treatment of IORT-induced wound fluid (WF-RT) and the cells under surgery-induced wound fluid (WF) were compared. Our findings showed that cell viability was increased in spheroids under both WF treatments, whereas viability of the cell lines depended on the type of cells and incubation times. Both WFs significantly increased sub-G1 and arrested the cells in G0/G1 phases associated with increased P16 and P21 expression levels. The expression level of Caspase 3 in both cell culture systems and for both WF-treated groups was significantly increased. Furthermore, our results revealed that although the migration was increased in both systems of WF-treated cells compared to cell culture media-treated cells, E-cadherin expression was significantly increased only in the WF-RT group. In conclusion, WF-RT could not effectively inhibit tumor progression in an ex vivo tumor-on-chip model. Moreover, our data suggest that a microfluidic system could be a suitable 3D system to mimic in vivo tumor conditions than 2D cell culture.