I can not find the exact article but these were some I read as well.  I will try and find the specific paper later, at work right now.

Eicosapentaenoic acid in combination with EPHA2 inhibition shows efficacy in preclinical models of triple-negative breast cancer by disrupting cellular cholesterol efflux.

(PMID:30459358 PMCID:PMC6430703)

Molecular and Cellular Biology, Genetics

Abstract 4536: Polyunsaturated fatty acids alter the epigenetic landscape in triple-negative breast cancer (TNBC)

Amy M. Chattin, Mykelti O’Brien and Ronald S. Pardini

Amy M. Chattin

University of Nevada, Reno, Reno, NV.

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  Ronald S. Pardini

  University of Nevada, Reno, Reno, NV.

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  DOI: 10.1158/1538-7445.AM2016-4536 Published July 2016

1.    Bethan Hussey, Martin R. Lindley & Sarabjit S. Mastana (2017) Omega 3 fatty acids, inflammation and DNA methylation: an overview, Clinical Lipidology, 12:1, 24-32, DOI: 10.1080/17584299.2017.1319454