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RNAi-mediated knockdown of FANCF suppresses cell proliferation, migration, invasion, and drug resistance potential of breast cancer cells
Zhao, L.; Li, N.; Yu, J.K.; Tang, H.T.; Li, Y.L.; He, M.; Yu, Z.J.; Bai, X.F.; Zheng, Z.H.; Wang, E.H.; Wei, M.J..
  • Zhao, L.; China Medical University. School of Pharmacy. Department of Pharmacology. Heping Ward. Shenyang City. CN
  • Li, N.; China Medical University. School of Pharmacy. Department of Pharmacology. Heping Ward. Shenyang City. CN
  • Yu, J.K.; China Medical University. School of Pharmacy. Department of Pharmacology. Heping Ward. Shenyang City. CN
  • Tang, H.T.; China Medical University. School of Pharmacy. Department of Pharmacology. Heping Ward. Shenyang City. CN
  • Li, Y.L.; China Medical University. School of Pharmacy. Department of Pharmacology. Heping Ward. Shenyang City. CN
  • He, M.; China Medical University. School of Pharmacy. Department of Pharmacology. Heping Ward. Shenyang City. CN
  • Yu, Z.J.; China Medical University. School of Pharmacy. Department of Pharmacology. Heping Ward. Shenyang City. CN
  • Bai, X.F.; China Medical University. School of Pharmacy. Department of Pharmacology. Heping Ward. Shenyang City. CN
  • Zheng, Z.H.; China Medical University. School of Pharmacy. Department of Pharmacology. Heping Ward. Shenyang City. CN
  • Wang, E.H.; China Medical University. School of Pharmacy. Department of Pharmacology. Heping Ward. Shenyang City. CN
  • Wei, M.J.; China Medical University. School of Pharmacy. Department of Pharmacology. Heping Ward. Shenyang City. CN
Braz. j. med. biol. res ; 47(1): 24-34, 01/2014. graf
Article in English | LILACS | ID: lil-697676
ABSTRACT
Fanconi anemia complementation group F protein (FANCF) is a key factor, which maintains the function of FA/BRCA, a DNA damage response pathway. However, the functional role of FANCF in breast cancer has not been elucidated. We performed a specific FANCF-shRNA knockdown of endogenous FANCF in vitro. Cell viability was measured with a CCK-8 assay. DNA damage was assessed with an alkaline comet assay. Apoptosis, cell cycle, and drug accumulation were measured by flow cytometry. The expression levels of protein were determined by Western blot using specific antibodies. Based on these results, we used cell migration and invasion assays to demonstrate a crucial role for FANCF in those processes. FANCF shRNA effectively inhibited expression of FANCF. We found that proliferation of FANCF knockdown breast cancer cells (MCF-7 and MDA-MB-435S) was significantly inhibited, with cell cycle arrest in the S phase, induction of apoptosis, and DNA fragmentation. Inhibition of FANCF also resulted in decreased cell migration and invasion. In addition, FANCF knockdown enhanced sensitivity to doxorubicin in breast cancer cells. These results suggest that FANCF may be a potential target for molecular, therapeutic intervention in breast cancer.
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Full text: Available Index: LILACS (Americas) Main subject: Cell Movement / Cell Proliferation / Fanconi Anemia Complementation Group F Protein / Antineoplastic Agents Limits: Humans Language: English Journal: Braz. j. med. biol. res Journal subject: Biology / Medicine Year: 2014 Type: Article / Project document Affiliation country: China Institution/Affiliation country: China Medical University/CN

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Full text: Available Index: LILACS (Americas) Main subject: Cell Movement / Cell Proliferation / Fanconi Anemia Complementation Group F Protein / Antineoplastic Agents Limits: Humans Language: English Journal: Braz. j. med. biol. res Journal subject: Biology / Medicine Year: 2014 Type: Article / Project document Affiliation country: China Institution/Affiliation country: China Medical University/CN