
Lipid metabolism in mammary neoplasia and potential therapeutic targets
Abstract
Benign and malignant mammary neoplasias are common in women and domestic dogs and cats. Dogs and cats share (more so than rodent models) many of the risk factors, including increased incidence with age, for spontaneous mammary neoplasia. Dogs are affected by both benign and malignant types of tumors while in cats malignant neoplasms are the most common. Human mammary neoplasia is characterized by altered lipid metabolism. For example, the expression of fatty acid synthase (named oncogene antigen, OA 519) was identified as a marker for aggressive human breast cancer more than two decades ago. Considering lipogenesis is enhanced in breast and other types of cancer, many have suggested on the need to develop inhibitors of selected steps along the lipogenetic pathway as targets for chemotherapy. Several such agents are at different phases of development. The objective of this review is to provide an overview of lipid synthesis in normal and neoplastic mammary glands and potential chemotherapeutic targets affecting lipid metabolism. We conclude by suggesting the use of dogs and cats as animal models may hasten the development of therapeutic approaches.
Keywords
References
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DOI: http://dx.doi.org/10.14259%2Fcs.v1i2.67
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