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Appl Radiat Isot. 2012 Jan;70(1):6-12. doi: 10.1016/j.apradiso.2011.07.001. Epub 2011 Jul 13.

Boron neutron capture in prostate cancer cells.

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  • 1Department of Biological Sciences, Northern Illinois University, DeKalb, IL 60115-2862, USA.


A modified enhanced thermal neutron beam (METNB) assembly at Fermilab was used to irradiate borylphenylalanine (BPA) treated human prostate cancer cells, DU 145. Acceptable cellular uptake levels of BPA and no BPA cytotoxicity were observed. In the absence of BPA, the relative biological effectiveness (RBE) of the METNB was determined to be 2.3-4.8 times greater than gamma rays. An additional 1.2 or 1.4 fold relative enhancement from boron neutron capture (RE(BNC)) was observed for METNB irradiated DU 145 cells treated with 4.9 or 12mM BPA, respectively. The additional cell killing of the BPA loaded DU 145 cells by the METNB at Fermilab is evidence for a BNC enhanced cell killing.

Copyright © 2011 Elsevier Ltd. All rights reserved.

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