מחקר על ההשפעה הסלקטיבית של פורמולת צמחי מרפא והגנה מפני תופעות הלוואי של כימותרפיה שימושים בטיפול בחולי סרטן
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Selective anticancer effects and protection from chemotherapy by the botanical compound LCS101: Implications for cancer treatment
Zoya Cohen1*, Yair Maimon1*, Merav Yoeli-Lerner1,Peiying Yang2, Noah Samuels1 and Raanan Berger3
1 Tal Center for Integrative Medicine, Institute of Oncology, Sheba Medical Center, Tel Hashomer, Israel;
2 Department of General Oncology, The University of Texas M.D. Anderson Cancer Center,
Houston, TX, USA;
3 Institute of Oncology, Sheba Medical Center, Tel Hashomer, Israel
*Contributed equally
Abstract:
There is a need for new options for reducing the side effects of cancer treatment, without compromising efficacy, enabling patients to complete treatment regimens. The botanical compound LCS101 exhibits inhibitory effects on cancer cell growth, and reduces chemotherapy-induced hematological toxicities. The aim of the present study is to examine the selectivity of the effects of the compound, alone and in conjunction
with conventional chemotherapy agents, on cancer cell proliferation. The effects of LCS101 were tested on a number of cancer cell lines (breast, MCF7, MDA-MB‑231; colorectal, HCT116; prostate, PC-3, DU-145) and on non-tumorigenic
normal human epithelial cells (breast, MCF10A; prostate, EP#2). Cell viability was analyzed using an XTT assay and observed by light microscopy. Necrosis and apoptosis were examined using FACS analysis and immunoblotting. LCS101 selectively induced cell death in breast, colon and prostate cancer cell lines, as measured by XTT assay. Light microscopy and FACS analysis showed changes indicative of a necrotic
process. LCS101 was also found to induce PARP-1 reduction in breast cancer cells, with no effect on non-tumorigenic breast epithelial cells. While LCS101 increased cell death in cancer cells exposed to doxorubicin and 5-FU, it showed a protective effect on non-tumorigenic human epithelial cells from chemotherapy-induced cell death. A similar selective effect was observed with apoptosis-associated PARP-1 cleavage.
The findings demonstrate that the anti-proliferative effects exhibited by the botanical compound LCS101 are selective to cancer cells, and offer protection to non-tumorigenic normal epithelial cells from chemotherapy agents.
International Journal of Oncology Received August 10, 2014; Accepted September 25, 2014
DOI: 10.3892/ijo.2014.2711
Pubmed link
