Role of Post-Intraoperative Radiation Therapy Wound Fluids in Interaction with White Blood Cells on Cancer Cell Growth
Intraoperative radiation therapy (IORT), is a promising method which has been widely applied in breast cancer lumpectomy. Although its effect on destructing remaining cancer cells was approved, maintaining or draining post intraoperative radiation therapy wound fluids (PIWF) is challenging.Moreover, the roles of immune cells in interaction with PIWFs have not been studied before which is the main investigation of this paper.
Surgical wound fluids were collected from 24 IDC patients one day afterlumpectomy. The patients were divided into control and IORT groups. The collected wound fluids were centrifuged for 20 minutes at 2000 rpm. The concentration of tumor-associated cytokines and inflammasomes were recorded using the immunoassays.
PIWFs stimulate the residue of cancer cells in cavity sides causing disease progression. Here we have focused on the effect of PIWFs on the proactivation or deactivation of WBCs in the tumor bed environment. By sequential imaging in time-transient intervals from the interaction between WBCs and cancer cells, PIWFs have no additive proactivating effect on immune cells.
PIWFs have significant roles in proliferation of cancer cells but did not show an observable role in pro-activating immune cells against cancer cells. The functions of immune cells did not show any independent proactivation in the presence of PIWFs with respect to their activation in the presence of blood serum. It seems that draining the PIWFs may be required. In future research, we will use tumor samples of the patients instead of cell lines to better investigate the personalized immune-tumor interactions of patients.
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