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Spatio-Temporal Radiation Biology with Conventionally or Laser-Accelerated Particles for ELIMED

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Authors
Ristić-Fira, Aleksandra
Bulat, Tanja M.
Keta, Otilija D.
Romano, Francesco
Cirrone, Giuseppe Antonio Pablo
Cuttone, Giacomo
Petrović, Ivan M.
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Abstract
The aim of this study is to investigate the behavior of radio-resistant human malignant cells, thus enabling better understanding of radiobiological effects of ions in such a case. Radiation sources such as accelerated continuous ion beams and laser technology-based ultra short radiation sources with energy of around 10 MeV will be used. The HTB140 melanoma cells are chosen since it has been shown that they represent the limit case of cellular radio-resistance among the studied tumour cell lines. These cells are particularly interesting as they provide data on the very edge of inactivation capacity of each beam line that is tested. After exposing the cell monolayers to continuous radiations of low (gamma-rays) and high (protons) linear energy transfer, the kinetics of disappearance of the phosphorylated histone H2AX (gamma-H2AX) foci per cell will be determined. The same procedure will be performed with the pulsed high dose rate protons. Detection and quantification of gamma-H2AX foci ...will be performed by immunohistochemical 3D time-dependent imaging analyses using laser scanning confocal microscopy. Immunoblotting will enable the follow-up of the relation between gamma-H2AX and cell cycle arrest via the p53/p21 pathway. In such a way the spatio-temporal changes on sub-cellular level will be visualized, quantified and compared. These results will show whether there is a difference in the effects on cells between continuous and pulsed irradiation mode. Therefore, they will contribute to the database that might promote pulsed sources for medical treatments of malignant growths.

Source:
AIP Conference Proceedings, 2013, 1546, 101-104
Note:
  • 2nd MEDical and Multidisciplinary Applications at ELI (ELIMED) Workshop and Panel, Oct 18-19, 2012, Lab Nazl Sud (LNS), Catania, Italy

DOI: 10.1063/1.4816616

ISSN: 0094-243X

WoS: 000324289100017

Scopus: 2-s2.0-84881287413
[ Google Scholar ]
URI
https://vinar.vin.bg.ac.rs/handle/123456789/7005
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  • WoS Import
Institution/Community
Vinča
TY  - CONF
AU  - Ristić-Fira, Aleksandra
AU  - Bulat, Tanja M.
AU  - Keta, Otilija D.
AU  - Romano, Francesco
AU  - Cirrone, Giuseppe Antonio Pablo
AU  - Cuttone, Giacomo
AU  - Petrović, Ivan M.
PY  - 2013
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7005
AB  - The aim of this study is to investigate the behavior of radio-resistant human malignant cells, thus enabling better understanding of radiobiological effects of ions in such a case. Radiation sources such as accelerated continuous ion beams and laser technology-based ultra short radiation sources with energy of around 10 MeV will be used. The HTB140 melanoma cells are chosen since it has been shown that they represent the limit case of cellular radio-resistance among the studied tumour cell lines. These cells are particularly interesting as they provide data on the very edge of inactivation capacity of each beam line that is tested. After exposing the cell monolayers to continuous radiations of low (gamma-rays) and high (protons) linear energy transfer, the kinetics of disappearance of the phosphorylated histone H2AX (gamma-H2AX) foci per cell will be determined. The same procedure will be performed with the pulsed high dose rate protons. Detection and quantification of gamma-H2AX foci will be performed by immunohistochemical 3D time-dependent imaging analyses using laser scanning confocal microscopy. Immunoblotting will enable the follow-up of the relation between gamma-H2AX and cell cycle arrest via the p53/p21 pathway. In such a way the spatio-temporal changes on sub-cellular level will be visualized, quantified and compared. These results will show whether there is a difference in the effects on cells between continuous and pulsed irradiation mode. Therefore, they will contribute to the database that might promote pulsed sources for medical treatments of malignant growths.
C3  - AIP Conference Proceedings
T1  - Spatio-Temporal Radiation Biology with Conventionally or Laser-Accelerated Particles for ELIMED
VL  - 1546
SP  - 101
EP  - 104
DO  - 10.1063/1.4816616
ER  - 
@conference{
author = "Ristić-Fira, Aleksandra and Bulat, Tanja M. and Keta, Otilija D. and Romano, Francesco and Cirrone, Giuseppe Antonio Pablo and Cuttone, Giacomo and Petrović, Ivan M.",
year = "2013",
abstract = "The aim of this study is to investigate the behavior of radio-resistant human malignant cells, thus enabling better understanding of radiobiological effects of ions in such a case. Radiation sources such as accelerated continuous ion beams and laser technology-based ultra short radiation sources with energy of around 10 MeV will be used. The HTB140 melanoma cells are chosen since it has been shown that they represent the limit case of cellular radio-resistance among the studied tumour cell lines. These cells are particularly interesting as they provide data on the very edge of inactivation capacity of each beam line that is tested. After exposing the cell monolayers to continuous radiations of low (gamma-rays) and high (protons) linear energy transfer, the kinetics of disappearance of the phosphorylated histone H2AX (gamma-H2AX) foci per cell will be determined. The same procedure will be performed with the pulsed high dose rate protons. Detection and quantification of gamma-H2AX foci will be performed by immunohistochemical 3D time-dependent imaging analyses using laser scanning confocal microscopy. Immunoblotting will enable the follow-up of the relation between gamma-H2AX and cell cycle arrest via the p53/p21 pathway. In such a way the spatio-temporal changes on sub-cellular level will be visualized, quantified and compared. These results will show whether there is a difference in the effects on cells between continuous and pulsed irradiation mode. Therefore, they will contribute to the database that might promote pulsed sources for medical treatments of malignant growths.",
journal = "AIP Conference Proceedings",
title = "Spatio-Temporal Radiation Biology with Conventionally or Laser-Accelerated Particles for ELIMED",
volume = "1546",
pages = "101-104",
doi = "10.1063/1.4816616"
}
Ristić-Fira, A., Bulat, T. M., Keta, O. D., Romano, F., Cirrone, G. A. P., Cuttone, G.,& Petrović, I. M.. (2013). Spatio-Temporal Radiation Biology with Conventionally or Laser-Accelerated Particles for ELIMED. in AIP Conference Proceedings, 1546, 101-104.
https://doi.org/10.1063/1.4816616
Ristić-Fira A, Bulat TM, Keta OD, Romano F, Cirrone GAP, Cuttone G, Petrović IM. Spatio-Temporal Radiation Biology with Conventionally or Laser-Accelerated Particles for ELIMED. in AIP Conference Proceedings. 2013;1546:101-104.
doi:10.1063/1.4816616 .
Ristić-Fira, Aleksandra, Bulat, Tanja M., Keta, Otilija D., Romano, Francesco, Cirrone, Giuseppe Antonio Pablo, Cuttone, Giacomo, Petrović, Ivan M., "Spatio-Temporal Radiation Biology with Conventionally or Laser-Accelerated Particles for ELIMED" in AIP Conference Proceedings, 1546 (2013):101-104,
https://doi.org/10.1063/1.4816616 . .

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