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Immunomodulatory effects of the botanical compound LCS101: implications for cancer treatment

Authors Rachmut IH, Samuels N, Melnick SJ, Ramachandran C, Sharabi Y, Pavlovsky A, Maimon Y, Shoham J

Received 24 December 2012

Accepted for publication 4 February 2013

Published 24 April 2013 Volume 2013:6 Pages 437—445

DOI https://doi.org/10.2147/OTT.S42038

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3


Itzchak H Rachmut,1 Noah Samuels,2,* Steven J Melnick,3 Cheppail Ramachandran,4 Yedida Sharabi,1 Anya Pavlovsky,1 Yair Maimon,5 Jacob Shoham1

1The Gonda-Goldschmied Center, Bar-Ilan University, Ramat-Gan, Israel; 2Center for Integrative Complementary Medicine, Shaare Zedek Medical Center, Jerusalem, Israel; 3Department of Pathology, 4Research Institute, Miami Children's Hospital, Miami, FL, USA; 5Refuot Integrative Medical Center, Tel Aviv, Israel

*Joint first author

Objective: To examine the effects of LSC101, a botanical compound, on adaptive and innate immunity.
Materials and methods: LCS101 preparations were tested for batch-to-batch consistency using high-performance liquid chromatography. T-cell activation was quantified in murine spleen cells using 3H-thymidine incorporation, and cytokine production analyzed with enzyme-linked immunosorbent assay. Natural killer cell activity was tested on human blood cells using flow cytometry, and cytotoxicity measured by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide and apoptosis using a FACSCalibur. Effects on interferon-γ production in fluorouracil/doxorubicin-treated mice were tested with enzyme-linked immunosorbent assay.
Results: High-performance liquid chromatography analysis demonstrated batch-to-batch consistency. T-cell proliferation was increased, and a dose-dependent activation of natural killer cells and macrophage tumor necrosis factor-α secretion were observed with LCS101 treatment. Interferon-γ levels, reduced following fluorouracil treatment, were corrected in treated animals. No toxicity or compromised treatment outcomes were associated with LCS101 exposure.
Conclusions: LCS101 demonstrated significant effects on a number of immune processes. Further research is needed in order to understand the molecular immunomodulatory pathways affected by this compound, as well as clinical implications for treatment.

Keywords: botanical compound, immunomodulation, T-cell immunity, NK cells, interferon-gamma, TNF-alpha

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