메뉴 건너뛰기
.. 내서재 .. 알림
소속 기관/학교 인증
인증하면 논문, 학술자료 등을  무료로 열람할 수 있어요.
한국대학교, 누리자동차, 시립도서관 등 나의 기관을 확인해보세요
(국내 대학 90% 이상 구독 중)
로그인 회원가입 고객센터 ENG
주제분류

추천
검색

이용수

표지
📌
연구주제
📖
연구배경
🔬
연구방법
🏆
연구결과
AI에게 요청하기
추천
검색

초록· 키워드

오류제보하기
Purpose Chronic stress and related hormones are key in cancer progression. Peroxisome proliferator- activated receptor ! (PPAR!) and its agonists was reported that inducing anti-tumor effect. However, the function of PPAR! in pro-tumorigenic effects induced by chronic stress in breast cancer remains unknown. Herein, we have characterized a novel role of PPAR! and vascular endothelial growth factor (VEGF)/fibroblast growth factor 2 (FGF2) signals in breast cancer promoted by chronic stress. Materials and Methods We performed experiments in vivo and in vitro and used bioinformatics data to evaluate the therapeutic potential of PPAR! in breast cancer promoted by stress. Results Chronic stress significantly inhibited the PPAR! expression and promoted breast cancer in vivo. VEGF/FGF2-mediated angiogenesis increased in the chronic stress group compared to the control group. PPAR! agonist pioglitazone (PioG) injection offset the pro-tumorigenic effect of chronic stress. Moreover, specific "2-adrenergic receptor ("2R) antagonist ICI11- 8551 inhibited the effect of chronic stress. In vitro, norepinephrine (NE) treatment had a similar tendency to chronic stress. The effect of NE was mediated by the "2R/adenylate cyclase signaling pathway and suppressed by PioG. PPAR! suppressed VEGF/FGF2 through reactive oxygen species inhibition. Bioinformatics data confirmed that there was a low PPAR! expression in breast invasive carcinoma. Lower PPAR! was associated with a significantly worse survival. Conclusion "2R activation induced by chronic stress and related hormones promotes growth and VEGF/ FGF2-mediated angiogenesis of breast cancer by down-regulating PPAR!. Our findings hint that " receptor and PPAR! as two target molecules and the novel role for their agonists or antagonists as clinical medicine in breast cancer therapy.

목차

등록된 정보가 없습니다.

참고문헌 (0)

참고문헌 신청

함께 읽어보면 좋을 논문

논문 유사도에 따라 DBpia 가 추천하는 논문입니다. 함께 보면 좋을 연관 논문을 확인해보세요!

이 논문의 저자 정보

최근 본 자료

전체보기

댓글(0)

0