Benzyl isothiocyanate inhibits human brain glioblastoma multiforme GBM 8401 cell xenograft tumor in nude mice in vivo

Yi Shih Ma, Jen Jyh Lin, Chin Chung Lin, Jin Cherng Lien, Shu Fen Peng, Ming Jen Fan, Fei Ting Hsu, Jing Gung Chung

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Abstract

Benzyl isothiocyanate (BITC), a member of isothiocyanates (ITCs), has been shown to induce cell death in many human cancer cells, but there is no further report to show BITC suppresses glioblastoma multiforme cells in vivo. In the present study, we investigate the effects of BITC on the inhibition of GBM 8401/luc2 cell generated tumor on athymic nude mice. We established a luciferase expressing stable clone named as GBM 8401/luc2. Thirty male mice were inoculated subcutaneously with GBM 8401/luc2 cells to generate xenograft tumor mice model. Group I was treated with 110 μL phosphate-buffered solution plus 10 μL dimethyl sulfoxide, Group II-III with BITC (5 or 10 μmol/100 μL/day, relatively). Mice were given oral treatment of BITC by gavage for 21 days. Results showed that BITC did not affect the body weights. After anesthetized, the photons emitted from mice tumor were detected with Xenogen IVIS imaging system 200 and higher dose of BITC have low total photon flux than that of lower dose of BITC. Results also showed that higher dose of BITC have low total tumor volumes and weights than that of low dose of BITC. Isolated tumors were investigated by immunohistochemical analysis and results showed that BITC at both dose of treatment weakly stained with anti-MCL1 and -XIAP. However, both dose of BITC treatments have strong signals of caspase-3 and Bax. Overall, these data demonstrated that BITC suppressed tumor properties in vivo. Overall, based on these observations, BITC can be used against human glioblastoma multiforme in the future.

Original languageEnglish
Pages (from-to)1097-1104
Number of pages8
JournalEnvironmental Toxicology
Volume33
Issue number11
DOIs
Publication statusPublished - Nov 1 2018

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Keywords

  • benzyl isothiocyanate
  • human brain glioblastoma multiforme GBM 8401 cell
  • in vivo
  • nude mice
  • xenograft tumor

ASJC Scopus subject areas

  • Toxicology
  • Management, Monitoring, Policy and Law
  • Health, Toxicology and Mutagenesis

Cite this

Ma, Y. S., Lin, J. J., Lin, C. C., Lien, J. C., Peng, S. F., Fan, M. J., Hsu, F. T., & Chung, J. G. (2018). Benzyl isothiocyanate inhibits human brain glioblastoma multiforme GBM 8401 cell xenograft tumor in nude mice in vivo. Environmental Toxicology, 33(11), 1097-1104. https://doi.org/10.1002/tox.22581