In vivo metabolic imaging of mouse tumor models in response to chemotherapy

Maria M. Lukina; Varvara Dudenkova; Anastasia V. Shumilova; Ludmila B. Snopova M.D.; Elena V. Zagaynova; Marina V. Shirmanova

doi:10.1117/12.2252123

2 March 2017 In vivo metabolic imaging of mouse tumor models in response to chemotherapy

Maria M. Lukina, Varvara Dudenkova, Anastasia V. Shumilova, Ludmila B. Snopova M.D., Elena V. Zagaynova, Marina V. Shirmanova

Author Affiliations +

Proceedings Volume 10069, Multiphoton Microscopy in the Biomedical Sciences XVII; 100692G (2017) https://doi.org/10.1117/12.2252123
Event: SPIE BiOS, 2017, San Francisco, California, United States

Abstract

The aim of the study was to estimate energy metabolism in human cervical cancer cells HeLa Kyoto after chemotherapy in vitro and in vivo using two-photon fluorescence lifetime microscopy (FLIM). Cellular metabolism was examined by monitoring of the fluorescence intensities and lifetimes of metabolic cofactors NAD(P)H and FAD. Cancer metabolism was analyzed in dynamics after treatment with cisplatin. Two-photon fluorescence and second harmonic generation microscopies as well as standard histopathology with hematoxylin and eosin were used to characterize cancer tissue structure. We showed an increase of the optical redox ratio FAD/NAD(P)H in cancer cells in vitro and decrease of the relative contribution of free NAD(P)H (ɑ1) in vitro and in vivo, which presumably indicate a shift to more oxidative metabolism after chemotherapy. These data demonstrate the possibility to detect response of cancer cells to chemotherapy using optical metabolic imaging.

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Maria M. Lukina, Varvara Dudenkova, Anastasia V. Shumilova, Ludmila B. Snopova M.D., Elena V. Zagaynova, and Marina V. Shirmanova "In vivo metabolic imaging of mouse tumor models in response to chemotherapy", Proc. SPIE 10069, Multiphoton Microscopy in the Biomedical Sciences XVII, 100692G (2 March 2017); https://doi.org/10.1117/12.2252123

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