We have made a preliminary analysis of the results about the effects on tumoral cell line (lymphoid T cell line Jurkat) induced by UVB radiation (dose of 310 mJ/cm(2)) with and without a vegetable mixture. In the present study, we have used two techniques: Fourier transform infrared spectroscopy (FTIR) and flow cytometry. FTIR spectroscopy has the potential to provide the identification of the vibrational modes of some of the major compounds (lipid, proteins and nucleic acids) without being invasive in the biomaterials. The second technique has allowed us to perform measurements of cytotoxicity and to assess the percentage of apoptosis. We already studied the induction of apoptotic process in the same cell line by UVB radiation; in particular, we looked for correspondences and correlations between FTIR spetroscopy and flow cytometry data finding three highly probable spectroscopic markers of apoptosis (Pozzi et al. in Radiat Res 168:698-705, 2007). In the present work, the results have shown significant changes in the absorbance and spectral pattern in the wavenumber protein and nucleic acids regions after the treatments.
UVB radiation induced effects on cells studied by FTIR spectroscopy / DI GIAMBATTISTA, Lucia; Grimaldi, Paola; Gaudenzi, Silvia; Pozzi, Deleana; M., Grandi; Morrone, Stefania; Silvestri, Ida; A., Congiu Castellano. - In: EUROPEAN BIOPHYSICS JOURNAL WITH BIOPHYSICS LETTERS. - ISSN 0175-7571. - STAMPA. - 39:6(2010), pp. 929-934. (Intervento presentato al convegno 19th Meeting of the Italian-Society-of-Pure-and-Applied-Biophysics tenutosi a Rome, ITALY nel SEP 17-20, 2008) [10.1007/s00249-009-0446-9].
UVB radiation induced effects on cells studied by FTIR spectroscopy
DI GIAMBATTISTA, LUCIA;GRIMALDI, Paola;GAUDENZI, Silvia;POZZI, Deleana;MORRONE, Stefania;SILVESTRI, Ida;
2010
Abstract
We have made a preliminary analysis of the results about the effects on tumoral cell line (lymphoid T cell line Jurkat) induced by UVB radiation (dose of 310 mJ/cm(2)) with and without a vegetable mixture. In the present study, we have used two techniques: Fourier transform infrared spectroscopy (FTIR) and flow cytometry. FTIR spectroscopy has the potential to provide the identification of the vibrational modes of some of the major compounds (lipid, proteins and nucleic acids) without being invasive in the biomaterials. The second technique has allowed us to perform measurements of cytotoxicity and to assess the percentage of apoptosis. We already studied the induction of apoptotic process in the same cell line by UVB radiation; in particular, we looked for correspondences and correlations between FTIR spetroscopy and flow cytometry data finding three highly probable spectroscopic markers of apoptosis (Pozzi et al. in Radiat Res 168:698-705, 2007). In the present work, the results have shown significant changes in the absorbance and spectral pattern in the wavenumber protein and nucleic acids regions after the treatments.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
