Probiotics are living microorganisms found in certain foods or supplements that can provide health benefits when consumed in adequate amounts. The term “microbiota” refers to the collection of microbes, including beneficial bacteria, that naturally inhabit the human body and help keep us healthy.
The many other benefits of probiotics include maintaining proper immune system function. Because of this, they have been proposed in the treatment of certain diseases, including breast cancer.
Research on the effects of probiotics on breast cancer is still in its early stages, however, some preliminary studies suggest that certain strains of probiotics could have beneficial effects.
One way to approach these studies is through cell lines. Cell lines are cells, usually cancerous, grown in a laboratory.
The aim of this Master’s thesis is to analyse the possible effects on cancer of a probiotic strain using a breast cancer cell line. For this purpose, we add the probiotic supernatant to the cells in different concentrations and observe the effects it produces.
Keywords: Probiotics, breast cancer, microbiota, cell line, cell culture.
Directed by: Ana I. Álvarez Mercado
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