Globally, breast cancer is the most diagnosed invasive cancer among women. Current therapies (e.g., chemotherapy) show numerous limitations due to the lack of selectivity and involved side effects, which urgently asks for novel approaches with enhanced tumor-killing efficacy. We previously demonstrated that MXenes, new bioactive nanomaterials with promising photophysical properties, are capable to increase the efficiency of the targeted breast cancer photothermal therapy (PTT). In this work, we investigated the effect of few- and multi-layer Ti3C2Tx MXenes mediated-PTT on two different 3D reliable breast cancer models such as conventional and bio-printed spheroids. We performed PTT on both cancer models using a non-toxic MXene concentration of 50 µg/mL. After PTT, a significant reduction in the cell viability along with a notable increase in reactive oxygen species (ROS) was observed. Moreover, we studied the effect of PTT on the migration of macrophages and endothelial cells toward cancer regions in both 3D models. Our results indicate that PTT mediated by both few- and multi-layer MXenes significantly modulates the tumor progression through cells’ death by increasing the temperature, which holds particularly true for the bio-printed model.

Perini, G., Rosenkranz, A., Friggeri, G., Zambrano, D., Rosa, E., Augello, A., Palmieri, V., De Spirito, M., Papi, M., Advanced usage of Ti3C2Tx MXenes for photothermal therapy on different 3D breast cancer models, <<BIOMÉDECINE & PHARMACOTHÉRAPIE>>, 2022; 153 (September): N/A-N/A. [doi:10.1016/j.biopha.2022.113496] [https://hdl.handle.net/10807/230270]

Advanced usage of Ti3C2Tx MXenes for photothermal therapy on different 3D breast cancer models

Perini, Giordano
Primo
Investigation
;
Rosa, Enrico
Software
;
De Spirito, Marco
Penultimo
Formal Analysis
;
Papi, Massimiliano
Ultimo
Investigation
2022

Abstract

Globally, breast cancer is the most diagnosed invasive cancer among women. Current therapies (e.g., chemotherapy) show numerous limitations due to the lack of selectivity and involved side effects, which urgently asks for novel approaches with enhanced tumor-killing efficacy. We previously demonstrated that MXenes, new bioactive nanomaterials with promising photophysical properties, are capable to increase the efficiency of the targeted breast cancer photothermal therapy (PTT). In this work, we investigated the effect of few- and multi-layer Ti3C2Tx MXenes mediated-PTT on two different 3D reliable breast cancer models such as conventional and bio-printed spheroids. We performed PTT on both cancer models using a non-toxic MXene concentration of 50 µg/mL. After PTT, a significant reduction in the cell viability along with a notable increase in reactive oxygen species (ROS) was observed. Moreover, we studied the effect of PTT on the migration of macrophages and endothelial cells toward cancer regions in both 3D models. Our results indicate that PTT mediated by both few- and multi-layer MXenes significantly modulates the tumor progression through cells’ death by increasing the temperature, which holds particularly true for the bio-printed model.
2022
Inglese
Perini, G., Rosenkranz, A., Friggeri, G., Zambrano, D., Rosa, E., Augello, A., Palmieri, V., De Spirito, M., Papi, M., Advanced usage of Ti3C2Tx MXenes for photothermal therapy on different 3D breast cancer models, <<BIOMÉDECINE & PHARMACOTHÉRAPIE>>, 2022; 153 (September): N/A-N/A. [doi:10.1016/j.biopha.2022.113496] [https://hdl.handle.net/10807/230270]
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