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OP449 inhibits breast cancer growth without adverse metabolic effects.


ABSTRACT: Hyperinsulinemia is associated with a decrease in breast cancer recurrence-free survival and overall survival. Inhibition of insulin receptor signaling is associated with glycemic dysregulation. SET is a direct modulator of PP2A, which negatively regulates the PI3K/AKT/mTOR pathway. OP449, a SET inhibitor, decreases AKT/mTOR activation. The effects of OP449 treatment on breast cancer growth in the setting of pre-diabetes, and its metabolic implications are currently unknown. We found that the volumes and weights of human MDA-MB-231 breast cancer xenografts were greater in hyperinsulinemic mice compared with controls (P?

SUBMITTER: Shlomai G 

PROVIDER: S-EPMC5678946 | biostudies-literature | 2017 Oct

REPOSITORIES: biostudies-literature

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OP449 inhibits breast cancer growth without adverse metabolic effects.

Shlomai Gadi G   Zelenko Zara Z   Antoniou Irini Markella IM   Stasinopoulos Marilyn M   Tobin-Hess Aviva A   Vitek Michael P MP   LeRoith Derek D   Gallagher Emily Jane EJ  

Endocrine-related cancer 20171001 10


Hyperinsulinemia is associated with a decrease in breast cancer recurrence-free survival and overall survival. Inhibition of insulin receptor signaling is associated with glycemic dysregulation. SET is a direct modulator of PP2A, which negatively regulates the PI3K/AKT/mTOR pathway. OP449, a SET inhibitor, decreases AKT/mTOR activation. The effects of OP449 treatment on breast cancer growth in the setting of pre-diabetes, and its metabolic implications are currently unknown. We found that the vo  ...[more]

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