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Home NEWS Science News Cancer

Plant compound shows promise against triple-negative breast cancer

Bioengineer by Bioengineer
April 27, 2021
in Cancer
Reading Time: 3 mins read
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Cells from women with African American ancestry responded more strongly to the compound

IMAGE

Credit: Samia Messeha, Florida Agricultural and Mechanical University

Findings from a new cell study suggest that the natural plant compound sanguinarine could be a promising tool for targeting triple-negative breast cancer cells. The researchers also found that breast cancer cells derived from people with African American ancestry were more sensitive to sanguinarine than those of European origin.

“Triple negative breast cancer is especially aggressive in African American women, who are also more likely to develop this type of breast cancer than women of European descent,” said Samia Messeha, PhD, a research associate in the College of Pharmacy and Pharmaceutical Science at Florida Agricultural and Mechanical University. “There is intense interest in finding new therapeutic strategies to fight this cancer.”

About 10-20% of breast cancers are triple-negative, which means the cancer lacks — or is negative for — receptors for estrogen or progesterone and doesn’t make excess amounts of a protein called HER2. The absence of hormone receptors means these tumors don’t respond to the hormone-based therapies used for other types of breast cancer.

Messeha will present the research at the American Society for Investigative Pathology annual meeting during the virtual Experimental Biology (EB) 2021 meeting, to be held April 27-30.

Sanguinarine, a natural compound found in bloodroot and other medicinal plants, has been shown to have anti-bacterial, anti-inflammatory and anti-cancer effects. To better understand the mechanisms involved in the compound’s anti-cancer effects, Messeha and her team used sanguinarine to treat two groups of triple negative breast cancer cells — one derived from women with African American ancestry and the other from women of European origin.

Although both groups of cancer cells showed reduced cell viability and growth when treated with sanguinarine, the researchers observed more pronounced effects for the cells derived from women with African American ancestry. The researchers also found that the treatment activated different genes in each group of cells, which could help explain why some patients don’t respond to certain therapies.

“Our findings suggest that sanguinarine could have therapeutic potential for patients with triple negative breast cancer, particularly African American women with the disease,” said Messeha.

The researchers plan to investigate sanguinarine’s effects in more triple negative breast cancer cell lines and study the effects of sanguinarine in combination with common drugs used to treat this breast cancer.

Samia Messeha will present the findings from 2:30 p.m.-2:45 p.m. Wednesday April 28 (abstract). Contact the media team for more information or to obtain a free press pass to access the meeting.

Images available.

###

About the virtual Experimental Biology 2021 meeting

Experimental Biology is an annual meeting comprised of thousands of scientists from five host societies and multiple guest societies. With a mission to share the newest scientific concepts and research findings shaping clinical advances, the meeting offers an unparalleled opportunity for exchange among scientists from across the United States and the world who represent dozens of scientific areas, from laboratory to translational to clinical research.
http://www.experimentalbiology.org #expbio

About the American Society for Investigative Pathology (ASIP)

ASIP is a society of biomedical scientists who investigate mechanisms of disease. Investigative pathology is an integrative discipline that links the presentation of disease in the whole organism to its fundamental cellular and molecular mechanisms. ASIP advocates for the practice of investigative pathology and fosters the professional career development and education of its members. http://www.asip.org

Find more news briefs and tipsheets at: https://www.eurekalert.org/meetings/eb/2021/newsroom/

Media Contact
Nancy Lamontagne
[email protected]

Tags: Alternative MedicineBiologyBreast CancercancerMedicine/HealthPharmaceutical SciencePharmaceutical Sciences
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