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Original Research ARTICLE Provisionally accepted The full-text will be published soon. Notify me

Front. Genet. | doi: 10.3389/fgene.2019.00790

ANLN and KDR are jointly prognostic of breast cancer survival and can be modulated for triple negative breast cancer control

  • 1Jiangnan University, China
  • 2Wuxi Medical College, Jiangnan University, China
  • 3Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, China

Purpose: KDR is the primary vascular endothelial growth factor receptor mediating survival, growth and migration of endothelial cells and is expressed also in various tumor cells through autocrine production. The PI3K/Pten pathway is one of the downstream signallings affected by KDR activation and most commonly altered in breast cancer. Here we investigate whether KDR expression is associated with members in PI3K/Pten signalling on the prognosis of breast cancer patients.
Methods: PI3K/Pten pathway components were defined by mapping TCGA protein data to the KEGG database complemented by literature searching, accounting for 36 proteins subject to the interaction analysis with KDR on breast cancer patient survival. The identified interaction gene pair was subjected to in vitro validation following functional analysis.
Results: ANLN was found to interact with KDR at translational and transcriptional levels using the public TCGA protein expression data and five gene expression data sets. Favorable prognosis corresponds to high protein but low gene expression of ANLN when KDR is highly expressed. Externally modulating cells toward low ANLN and high KDR gene expression was shown to transit triple negative cells toward a luminal-like state with increased level of ER and elevated sensitivity to Tamoxifen.
Conclusion: Our study proposes a 2-gene panel prognostic of breast cancer survival and a novel therapeutic strategy for triple negative breast cancer control via transiting cancer cells towards a luminal-like state sensitive to established targeted therapy.

Keywords: Kdr, State transition, subtype, Survival, Interaction, ANLN

Received: 21 Mar 2019; Accepted: 26 Jul 2019.

Edited by:

Aleix Prat, Hospital Clínic de Barcelona, Spain

Reviewed by:

Eva Hernando, New York University, United States
Tomás Pascual Martinez, Department of Medical Oncology, Hospital Clínic of Barcelona, Spain
Jie Tan, The Johns Hopkins Hospital, Johns Hopkins Medicine, United States  

Copyright: © 2019 Dai, Mei, Chen and Cai. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

* Correspondence: Prof. Xiaofeng Dai, Jiangnan University, Wuxi, China, 1281423490@qq.com