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Environ Toxicol. 2018 Nov;33(11):1097-1104. doi: 10.1002/tox.22581. Epub 2018 Jul 4.

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

Author information

1
School of Chinese Medicine for Post-Baccalaureate, I-Shou University, Kaohsiung, Taiwan.
2
Department of Chinese Medicine, E-Da Hospital, Kaohsiung, Taiwan.
3
Division of Cardiology, China Medical University Hospital, Taichung, Taiwan.
4
Department of Chinese Medicine, Feng-Yuan Hospital, Ministry of Health and Welfare, Executive Yuan, Taichung, Taiwan.
5
General Education Center, Central Taiwan University of Science and Technology, Taichung, Taiwan.
6
School of Pharmacy, China Medical University, Taichung, Taiwan.
7
Department of Medical Research, China Medical University Hospital, Taichung, Taiwan.
8
Department of Biotechnology, Asia University, Taichung, Taiwan.
9
Department of Medical Imaging, Taipei Medical University Hospital, Taipei, Taiwan.
10
Department of Radiology, School of Medicine, Taipei Medical University, Taipei, Taiwan.
11
Department of Biological Science and Technology, China Medical University, Taichung, Taiwan.

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.

KEYWORDS:

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

PMID:
29972272
DOI:
10.1002/tox.22581
[Indexed for MEDLINE]

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