FZR1 as a novel biomarker for breast cancer neoadjuvant chemotherapy prediction.

FZR1 as a novel biomarker for breast cancer neoadjuvant chemotherapy prediction.
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FZR1 作为乳腺癌新辅助化疗预测的新型生物标志物。

DOI:
10.1038/s41419-020-03004-9
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发表时间:
2020-09-25
影响因子:
9
通讯作者:
Yue S
Yue S
中科院分区:
生物学1区
文献类型:
--
作者:
Liu S;Wang H;Li J;Zhang J;Wu J;Li Y;Piao Y;Pan L;Xiang R;Yue S

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保乳手术的概念是乳腺癌治疗的一项显著成就。越来越多的人在手术前使用新辅助化疗来缩小肿瘤。新辅助化疗缩小了肿瘤的大小,使手术对周围组织的损害更小,并将局部不能手术的疾病降级为可手术的疾病。然而,无效的新辅助化疗可能会增加延迟手术、发展不能切除的疾病和转移肿瘤扩散的风险。在乳腺癌的治疗中,预测新辅助化疗效果的生物标志物很少。在本研究中,我们通过临床患者队列评价和分子机制研究,确定FZR1可以作为乳腺癌新辅助化疗的一种新的生物标志物。转录数据分析表明,FZR1的表达与新辅助化疗的疗效有关。从机制上,我们证明了FZR1在化疗药物诱导的细胞凋亡和细胞周期停滞中起关键作用。FZR1通过破坏SER15位点的磷酸化参与了P53的稳定。我们在动物实验和临床患者队列中证明,通过IHC定量检测FZR1的表达可以作为新辅助化疗的有效预测指标。为了使乳腺癌患者获得更多的益处,我们建议在临床上使用FZR1 IHC评分来预测新辅助化疗的效果。
The concept of breast-conserving surgery is a remarkable achievement of breast cancer therapy. Neoadjuvant chemotherapy is being used increasingly to shrink the tumor prior to surgery. Neoadjuvant chemotherapy is reducing the tumor size to make the surgery with less damaging to surrounding tissue and downstage locally inoperable disease to operable. However, non-effective neoadjuvant chemotherapy could increase the risks of delaying surgery, develop unresectable disease and metastatic tumor spread. The biomarkers for predicting the neoadjuvant chemotherapy effect are scarce in breast cancer treatment. In this study, we identified that FZR1 can be a novel biomarker for breast cancer neoadjuvant chemotherapy according to clinical patient cohort evaluation and molecular mechanism investigation. Transcriptomic data analysis indicated that the expression of FZR1 is correlated with the effect of neoadjuvant chemotherapy. Mechanistically, we demonstrate that FZR1 is pivotal to the chemotherapy drugs induced apoptosis and cell cycle arrest. FZR1 is involved in the stability of p53 by impairing the phosphorylation at ser15 site. We demonstrate that the expression of FZR1 detected by quantification of IHC can be an effective predictor of neoadjuvant chemotherapy in animal experiment and clinical patient cohort. To obtain more benefit for breast cancer patient, we propose that the FZR1 IHC score using at the clinical to predict the effect of neoadjuvant chemotherapy.
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