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Published in: BMC Complementary Medicine and Therapies 1/2017

Open Access 01-12-2017 | Research article

RETRACTED ARTICLE: Moringa isothiocyanate complexed with α-cyclodextrin: a new perspective in neuroblastoma treatment

Authors: Sabrina Giacoppo, Renato Iori, Patrick Rollin, Placido Bramanti, Emanuela Mazzon

Published in: BMC Complementary Medicine and Therapies | Issue 1/2017

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Abstract

Background

Several lines of evidence suggest the consume of natural products for cancer prevention or treatment. In particular, isothiocyanates (ITCs) exerting anti-cancer properties, have received great interest as potential chemotherapeutic agents.
This study was designed to assess the anti-proliferative activities of a new preparation of Moringa oleifera-derived 4-(α-L-rhamnopyranosyloxy)benzyl ITC (moringin) complexed with alpha-cyclodextrin (moringin + α-CD; MAC) on SH-SY5Y human neuroblastoma cells. This new formulation arises in the attempt to overcome the poor solubility and stability of moringin alone in aqueous media.

Methods

SH-SY5Y cells were cultured and exposed to increasing concentrations of MAC (1.0, 2.5 and 5.0 μg). Cell proliferation was examined by MTT and cell count assays. The cytotoxic activity of the MAC complex was assessed by lactate dehydrogenase (LDH) assay and trypan blue exclusion test. In addition, western blotting analyses for the main apoptosis-related proteins were performed.

Results

Treatment of SH-SY5Y cells with the MAC complex reduced cell growth in concentration dependent manner. Specifically, MAC exhibited a potent action in inhibiting the PI3K/Akt/mTOR pathway, whose aberrant activation was found in many types of cancer. MAC was also found to induce the nuclear factor-κB (NF-κB) p65 activation by phosphorylation and its translocation into the nucleus. Moreover, treatment with MAC was able to down-regulate MAPK pathway (results focused on JNK and p38 expression). Finally, MAC was found to trigger apoptotic death pathway (based on expression levels of cleaved-caspase 3, Bax/Bcl-2 balance, p53 and p21).

Conclusion

These findings suggest that use of MAC complex may open novel perspectives to improve the poor prognosis of patients with neuroblastoma.
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Metadata
Title
RETRACTED ARTICLE: Moringa isothiocyanate complexed with α-cyclodextrin: a new perspective in neuroblastoma treatment
Authors
Sabrina Giacoppo
Renato Iori
Patrick Rollin
Placido Bramanti
Emanuela Mazzon
Publication date
01-12-2017
Publisher
BioMed Central
Published in
BMC Complementary Medicine and Therapies / Issue 1/2017
Electronic ISSN: 2662-7671
DOI
https://doi.org/10.1186/s12906-017-1876-z

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