Breast cancer cell growth/motility is influenced by metal compounds

Risultato della ricerca: Other contribution


Triple-negative breast cancer (TNBC) is a highly "aggressive" malignant neoplasm with limited treatment options due to the lack of expression of estrogen and progesterone receptors and HER2/neu. In search of novel molecules displaying anti-TNBC activities, the TNBC cell line MDA-MB231 was exposed to cadmium chloride and/or manganese chloride, and a biological characterization of the effect observed was performed. The data obtained demonstrate a cytotoxic effect exerted by cadmium chloride with drastic changes affecting gene expressions and production of reactive oxygen species. Conversely, manganese chloride was effective in increasing cell number and promoting cell invasive ability. Such effect was reverted by coexposure with cadmium chloride. Thus, metal compounds appear to be able to modulate the biological behavior of TNBC cells, although addressing them to different fates. The data obtained suggest that high environmental pollution with manganese chloride might increase the risk of breast tumorigenesis. On the other hand, the restraining modulatory property of cadmium chloride looks promising and deserves a more detailed mechanistic study aimed to the identification of possible molecular targets instrumental in inhibiting the expansion of malignant breast cancer.
Lingua originaleEnglish
Numero di pagine1
Stato di pubblicazionePublished - 2019


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