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논문 기본 정보

자료유형
학술저널
저자정보
이영호 (충남대학교) 이상렬 (충남대학교) 권선우 (충남대학교) 이승연 (충남대학교) 박배근 (충남대학교) 홍의주 (충남대학교)
저널정보
충북대학교 동물의학연구소 Journal of Biomedical and Translational Research Journal of Biomedical and Translational Research 제18권 제4호
발행연도
2017.12
수록면
146 - 150 (5page)

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Breast cancer is of enormous concern worldwide and linked with age, sex, hormonal factors, and family history. The treatment of early breast cancer includes treating the disease locally with surgery, radiation therapy, or both and treating microscopic systemic disease with either one or a combination of chemotherapy, endocrine therapy, or biologic therapy. Doxorubicin is a well-known anthracycline antibiotic and antineoplastic drug usually administered to breast cancer patients. However, there have been some reports suggesting that doxorubicin causes side effects such as cardiotoxicity. Furthermore, breast cancer patients on doxorubicin treatment are commonly prescribed steroid suppression therapy. In addition, it has been previously reported that lack of estrogen elevates cardiotoxicity. In this study, we evaluated whether the steroid suppression therapy might influence the cardiotoxicity of doxorubicin. We hypothesized that the presence of a steroid hormone, particularly estrogen, is closely related to doxorubicin action. To investigate the effect of estrogen, mice were divided into four groups: control group, doxorubicin-treated group, ovariectomized group, and ovariectomized plus doxorubicin-treated group. We observed upregulation of inflammatory cytokine gene and downregulation of apoptotic genes in the groups treated with doxorubicin, particularly in the ovariectomized plus doxorubicin-treated group. This suggests that administration of doxorubicin under a non-steroid condition can excessively damage the heart. In summary, combination treatment of hormonal and doxorubicin therapy for breast or many different types of cancer patients must be prescribed with requisite precautions.

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