Study The Effects Of Capsaicin On Triple Negative Breast Cancer Cells | 92077
Journal of Clinical & Experimental Pathology
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Triple negative breast cancer (TNBC) is one of the most aggressive types of breast cancer. It accounts for 12% of breast
cancer cases. It lacks of estrogen receptor (ER), progesterone receptor (PR), and human epidermal receptor 2 (HER-2)
which limits its treatment options and enhances its ability to metastasize and raises the risk of recurrence. Patients with
TNBC are not responsive to conventional targeted breast cancer therapies. Capsaicin (CAP) is the most abundant and potent
capsaicinoid produced in chili pepper fruits. Capsaicin has been used for its analgesic and anti-inflammatory effects. Moreover,
several studies have shown that capsaicin has anti-carcinogenic properties in various types of human cancers. The aim of this
study is to investigate the effects of capsaicin in human TNBC by using the BT-20 cell line. The results showed that capsaicin
demonstrated concentration and time-dependent inhibitory activity on BT-20 cell viability as determined by MTS assay.
Capsaicin produced cell viability inhibition at concentrations 150 and 250 μM at 24 and 48 h while at 72h it caused inhibition
on cell viability at concentrations of 100, 150 and 250 μM. Capsaicin showed significant 5 fold increase in cytochrome C release
at 250 μM as well as significant 1.6 fold increase in caspase 3/7 activity at 250 μM. Which are markers of apoptotic activation.
In conclusion, capsaicin showed an inhibitory effect on cell growth and enhance apoptosis. These results will provide useful
information regarding the development of a new therapy that can help in treating TNBC.
Moudi Alasmari is a PhD candidate in pharmacology at Massachusetts College of Pharmacy and Health Sciences University (MCPHS University, Boston, USA). She completed her MS in pharmacology in 2014 from MCPHS University. She is a Pharm D graduate from King Abdulaziz University (KAU, Jeddah, KSA) in 2009. She has experience in neuroscience research. She did 3 poster presentations and wrote 1 article under submission in this field. Also, she has been working in breast cancer research and she did one poster presentation about the anticancer activity of annona muricata extract on triple negative breast cancer cells and isolation/charcterization of active compounds.