Abstract:
:The potential of gadolinium neutron-capture therapy (Gd-NCT) for cancer was evaluated using chitosan nanoparticles as a novel gadolinium device. The nanoparticles, incorporating 1200 microg of natural gadolinium, were administered intratumorally twice in mice bearing subcutaneous B16F10 melanoma. The thermal neutron irradiation was performed for the tumor site, with the fluence of 6. 32x10(12) neutrons/cm(2), 8 h after the second gadolinium administration. After the irradiation, the tumor growth in the nanoparticle-administered group was significantly suppressed compared to that in the gadopentetate solution-administered group, despite radioresistance of melanoma and the smaller Gd dose than that administered in past Gd-NCT trials. This study demonstrated the potential usefulness of Gd-NCT using gadolinium-loaded nanoparticles.
journal_name
Cancer Lettjournal_title
Cancer lettersauthors
Tokumitsu H,Hiratsuka J,Sakurai Y,Kobayashi T,Ichikawa H,Fukumori Ydoi
10.1016/s0304-3835(99)00388-2keywords:
subject
Has Abstractpub_date
2000-03-31 00:00:00pages
177-82issue
2eissn
0304-3835issn
1872-7980pii
S0304383599003882journal_volume
150pub_type
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