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Updated: Jul 2, 2026
In Vitro Evaluation of Oncogenic Transformation in Human Mammary Epithelial Cells
Published on: September 24, 2020
Investigation of the metabolic activity of a bovine mammary epithelial cell line (BME-UV1)
M Caruso1, C Belloli, A Zaghini
1Department of Veterinary Public Health, University of Bari, Strada prov. per Casamassima km 3, Valenzano 70010, Bari, Italy. martacrs@hotmail.com
Abstract:
The metabolic activity of a mammary epithelial cell line (BME-UV1) was evaluated on monolayers exposed, in serum free medium, to different concentrations (2-4-8 muM) of aflatoxin B1 (AFB1), a mycotoxin eliminated into milk especially as hydroxylated metabolite aflatoxin M1 (AFM1). After 4, 8, 12, 24 h of treatment, a dose and time dependent production of AFM1 has been detected. As the enzymes involved in the hydroxylation of AFB1 in bovine hepatocytes are mainly CYP1A and CYP3A, the results suggest that BME-UV1 express CYP450 isoenzymes which metabolize AFB1 thus representing a potential model for the investigation of the metabolic activity of bovine mammary epithelial tissue.
