Maternal intake of high n-6 polyunsaturated fatty acid diet during pregnancy causes transgenerational increase in mammary cancer risk in mice

Autor: Nguyen M. Nguyen, Fabia de Oliveira Andrade, Lu Jin, Xiyuan Zhang, Madisa Macon, M. Idalia Cruz, Carlos Benitez, Bryan Wehrenberg, Chao Yin, Xiao Wang, Jianhua Xuan, Sonia de Assis, Leena Hilakivi-Clarke
Jazyk: angličtina
Rok vydání: 2017
Předmět:
Zdroj: Breast Cancer Research, Vol 19, Iss 1, Pp 1-13 (2017)
Druh dokumentu: article
ISSN: 1465-542X
DOI: 10.1186/s13058-017-0866-x
Popis: Abstract Background Maternal and paternal high-fat (HF) diet intake before and/or during pregnancy increases mammary cancer risk in several preclinical models. We studied if maternal consumption of a HF diet that began at a time when the fetal primordial germ cells travel to the genital ridge and start differentiating into germ cells would result in a transgenerational inheritance of increased mammary cancer risk. Methods Pregnant C57BL/6NTac mouse dams were fed either a control AIN93G or isocaloric HF diet composed of corn oil high in n-6 polyunsaturated fatty acids between gestational days 10 and 20. Offspring in subsequent F1–F3 generations were fed only the control diet. Results Mammary tumor incidence induced by 7,12-dimethylbenz[a]anthracene was significantly higher in F1 (p
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