Cytotoxic effect of aqueous ethanolic extract of Luffa cylindrica leaves on cancer stem cells CD44/24 in breast cancer patients with various molecular sub-types using tissue samples in vitro.

Authors:
Dr. Mohamed Ashour, MD/PhD.
Dr. Mohamed Ashour, MD/PhD.
National Institute of Occupational Safety and Health
Dr.
Occupational medcine
Egypt, Cairo | Egypt

J Ethnopharmacol 2019 Apr 14;238:111877. Epub 2019 Apr 14.

Medical Research Department, National Institute of Occupational Safety and Health, Egypt. Electronic address:

Ethnopharmacological Relevance: Luffa cylindrica (L.) M.Roem is a climbing plant its parts have been used as traditional medicine for the treatment of different types of diseases including diarrhea, inflammation, cancer and viral infections. The parts used include fruit, seeds and leaves.

Aim Of The Study: Our study aims to investigate the effect of the aqueous-ethanol extract of Luffa cylindrica leaves on breast cancer stem cells CD44/24 and other cell sub-populations using clinical samples with different molecular sub-types of breast cancer in vitro.

Materials And Methods: Breast tissues were obtained from patients undergoing surgery for the removal of breast tumors after complete clinical and pathological investigations. Tissue samples were processed to cell suspensions and treated with the extract in the tissue culture laboratory. Percentages of cell sub-populations within tumors and viability were measured by flowcytometry using clusters of differentiation as cell markers.

Results: Our results revealed that there were decreases in the total cell viability, CD44/24 and total CD24 cell sub-populations percentages after treatment with the extract, this may be an important indication of using Luffa leaves extract in the treatment of breast cancer or in combination with the traditional treatments.

Conclusion: Luffa cylindrica has proven to have anticancer activity on three different subtypes of breast cancer including luminal A, luminal B and Her2/neu enriched more over it has cytotoxic effect on both bulk tumor cells as well as cancer stem cells sub population CD44/24 which possess high tumorigenic potency, these results were confirmed by measuring their viable number after treatment and sphere formation assay results.

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Source
https://linkinghub.elsevier.com/retrieve/pii/S03788741193063
Publisher Site
http://dx.doi.org/10.1016/j.jep.2019.111877DOI Listing
April 2019
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