Title |
The effects of diet induced obesity on breast cancer associated pathways in mice deficient in SFRP1
|
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Published in |
Molecular Cancer, May 2014
|
DOI | 10.1186/1476-4598-13-117 |
Pubmed ID | |
Authors |
Kelly J Gauger, Lotfi M Bassa, Elizabeth M Henchey, Josephine Wyman, Jennifer Ser-Dolansky, Akihiko Shimono, Sallie S Schneider |
Abstract |
Secreted frizzled-related proteins (SFRPs) are a family of proteins that block the Wnt signaling pathway and loss of Sfrp1 expression is observed in breast cancer. The molecular mechanisms by which obesity contributes to breast tumorigenesis are not well defined, but involve increased inflammation. Mice deficient in Sfrp1 show enhanced mammary gland inflammation in response to diet induced obesity (DIO). Furthermore, mammary glands from Sfrp1-/- mice exhibit increased Wnt signaling, decreased cell death responses, and excessive hyper branching. The work described here was initiated to investigate whether obesity exacerbates the aforementioned pathways, as they each play a key roles in the development of breast cancer. |
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