Abstract

The cellular response to cisplatin was assessed in human osteosarcoma cells, using synchrotron-based (SR) Fourier Transform InfraRed nanospectroscopy (nano-FTIR) at the MIRIAM beamline B22 of Diamond Light Source (UK). This label-free mapping method delivered simultaneous morphological and biochemical information on a subcellular level (i.e. 100 s nanometer or better). Based on specific spectral biomarkers, the main biochemical constituents affected by the drug were identified at distinct locations within the cell´s inner body. Cisplatin was shown to have a noteworthy effect on proteins, mostly within the cytoplasm. A clear drug impact on cellular lipids was also observed. Within current literature on s-SNOM, this nanospectroscopy work represents a first successful application in life sciences providing full fingerprint nano-FTIR spectra across intact human cancer cells.

Details

Title
Synchrotron nano-FTIR spectroscopy for probing anticancer drugs at subcellular scale
Author
de Carvalho, Luis A. E. Batista 1 ; Cinque, Gianfelice 2 ; de Carvalho, Ana L. M. Batista 1 ; Marques, Joana 1 ; Frogley, Mark D. 3 ; Vondracek, Hendrik 3 ; Marques, Maria Paula M. 4 

 University of Coimbra, Department of Chemistry, Química-Física Molecular, Coimbra, Portugal (GRID:grid.8051.c) (ISNI:0000 0000 9511 4342) 
 Harwell Science and Innovation Campus, Diamond Light Source, Chilton - Didcot, UK (GRID:grid.18785.33) (ISNI:0000 0004 1764 0696); University of Oxford, Department of Engineering Science, Oxford, UK (GRID:grid.4991.5) (ISNI:0000 0004 1936 8948) 
 Harwell Science and Innovation Campus, Diamond Light Source, Chilton - Didcot, UK (GRID:grid.18785.33) (ISNI:0000 0004 1764 0696) 
 University of Coimbra, Department of Chemistry, Química-Física Molecular, Coimbra, Portugal (GRID:grid.8051.c) (ISNI:0000 0000 9511 4342); University of Coimbra, Department of Life Sciences, Coimbra, Portugal (GRID:grid.8051.c) (ISNI:0000 0000 9511 4342) 
Pages
17166
Publication year
2024
Publication date
2024
Publisher
Nature Publishing Group
e-ISSN
20452322
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
3085059852
Copyright
© The Author(s) 2024. This work is published under http://creativecommons.org/licenses/by-nc-nd/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.