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RESEARCH PRODUCT

Cytokine profile of breast cell lines after different radiation doses

Francesco Paolo CammarataMaria Carla GilardiValentina BravatàFederica Maria Di MaggioGiusi I Forte 1Domenico LioLuigi Minafra 1*Giorgio Ivan RussoGiuseppa Augello

subject

0301 basic medicineIonizing radiationRadiology Nuclear Medicine and ImagingCell SurvivalCytokine profileBreast NeoplasmsInflammationRadiationRadiation ToleranceIonizing radiation03 medical and health sciences0302 clinical medicineBreast cancerbreast cancerCell Line TumormedicinecytokineHumansskin and connective tissue diseasesCell survivalRadiological and Ultrasound TechnologyChemistrybreast cancer cytokines inflammation Ionizing radiation Breast Neoplasms Cell Line Tumor Cell Survival Culture Media Conditioned Dose-Response Relationship Radiation Humans Phenotype Radiation ToleranceDose-Response Relationship Radiationmedicine.diseasecytokinesDose–response relationship030104 developmental biologyPhenotypeCell cultureinflammation030220 oncology & carcinogenesisCulture Media ConditionedImmunologyCancer researchmedicine.symptomBreast NeoplasmHuman

description

Purpose: Ionizing radiation (IR) treatment activates inflammatory processes causing the release of a great amount of molecules able to affect the cell survival. The aim of this study was to analyze the cytokine signature of conditioned medium produced by non-tumorigenic mammary epithelial cell line MCF10A, as well as MCF7 and MDA-MB-231 breast cancer cell lines, after single high doses of IR in order to understand their role in high radiation response. Materials and methods: We performed a cytokine profile of irradiated conditioned media of MCF10A, MCF7 and MDA-MB-231 cell lines treated with 9 or 23 Gy, by Luminex and ELISA analyses. Results: Overall, our results show that both 9 Gy and 23 Gy of IR induce the release within the first 72 h of cytokines and growth factors potentially able to influence the tumor outcome, with a dose-independent and cell-line dependent signature. Moreover, our results show that the cell-senescence phenomenon does not correlate with the amount of ‘senescence-associated secretory phenotype’ (SASP) molecules released in media. Thus, additional mechanisms are probably involved in this process. Conclusions: These data open the possibility to evaluate cytokine profile as useful marker in modulating the personalized radiotherapy in breast cancer care.

10.1080/09553002.2017.1362504http://www.cnr.it/prodotto/i/380115