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TREATMENT SUPPLEMENT AGENT INCLUDING miR-500a-3p FOR BREAST CANCER WITH TOLERANCE TO ANTICANCER AGENT AND METHOD FOR RECOVERING SENSITIVITY TO ANTICANCER AGENT BY EXPRESSING OR ADDING miR-500a-3p
TREATMENT SUPPLEMENT AGENT INCLUDING miR-500a-3p FOR BREAST CANCER WITH TOLERANCE TO ANTICANCER AGENT AND METHOD FOR RECOVERING SENSITIVITY TO ANTICANCER AGENT BY EXPRESSING OR ADDING miR-500a-3p
The present invention relates to a method for recovering sensitivity to an anticancer agent of a breast cancer patient with anticancer agent tolerance by expressing or adding miR-500a-3p and to a treatment supplement agent including miR-500a-3p. According to the present invention, a mechanism that tolerance for an anti-hormone treatment agent such as tamoxifen as a breast cancer treatment agent is generated; activation of miR-500a-3p in a breast cancer cell with LY6K overexpression recovers sensitivity to tamoxifen by re-expression of ER; and a method for preventing anticancer agent tolerance and recovering sensitivity to an anticancer agent. In addition, according to the present invention, a reverse correlation between LY6K and ER. Sensitivity to tamoxifen can be increased as upward regulation of miR-500a-3p, which is induced by ER, inhibits expression of LY6K in an ER-negative breast cancer cell.;COPYRIGHT KIPO 2016
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