Biodistribution of10 b in glioma orthotopic xenograft mouse model after injection of l-para-boronophenylalanine and sodium borocaptate

Результат исследования: Научные публикации в периодических изданияхстатьярецензирование

Аннотация

Boron neutron capture therapy (BNCT) is based on the ability of the boron-10 (10 B) isotope to capture epithermal neutrons, as a result of which the isotope becomes unstable and decays into kinetically active elements that destroy cells where the nuclear reaction has occurred. The boron-carrying compounds—L-para-boronophenylalanine (BPA) and sodium mercaptoundecahydro-closo-dodecaborate (BSH)—have low toxicity and, today, are the only representatives of such compounds approved for clinical trials. For the effectiveness and safety of BNCT, a low boron content in normal tissues and substantially higher content in tumor tissue are required. This study evaluated the boron concentration in intracranial grafts of human glioma U87MG cells and normal tissues of the brain and other organs of mice at 1, 2.5 and 5 h after administration of the boron-carrying compounds. A detailed statistical analysis of the boron biodistribution dynamics was performed to find a ‘window of opportunity’ for BNCT. The data demonstrate variations in boron accumulation in different tissues depending on the compound used, as well as significant inter-animal variation. The protocol of administration of BPA and BSH compounds used did not allow achieving the parameters necessary for the successful course of BNCT in a glioma orthotopic xenograft mouse model.

Язык оригиналаанглийский
Номер статьи722
ЖурналBiomedicines
Том9
Номер выпуска7
DOI
СостояниеОпубликовано - июл 2021

Предметные области OECD FOS+WOS

  • 1.06 БИОЛОГИЧЕСКИЕ НАУКИ
  • 1.06.CQ БИОХИМИЯ И МОЛЕКУЛЯРНАЯ БИОЛОГИЯ
  • 3.01.QA МЕДИЦИНА, ИССЛЕДОВАТЕЛЬСКАЯ И ЭКСПЕРИМЕНТАЛЬНАЯ
  • 3.01.TU ФАРМАКОЛОГИЯ И ФАРМАЦИЯ

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