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Initiation of Metastatic Breast Carcinoma by Targeting of the Ductal Epithelium with Adenovirus-Cre: A Novel Transgenic Mouse Model of Breast Cancer
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Initiation of Metastatic Breast Carcinoma by Targeting of the Ductal Epithelium with Adenovirus-Cre: A Novel Transgenic Mouse Model of Breast Cancer

Published on: March 26, 2014

Nek2A contributes to tumorigenic growth and possibly functions as potential therapeutic target for human breast

Shuling Wang1, Weidong Li, Ning Liu

  • 1Department of Breast Cancer Pathology and Research Laboratory, Tianjin Medical University Cancer Institute and Hospital, Key Laboratory of Breast Cancer Prevention and Therapy, Tianjin Medical University, Ministry of Education, Key Laboratory of Cancer Prevention and Therapy, Tianjin, China.

Journal of Cellular Biochemistry
|January 12, 2012
PubMed

Insights

NIMA-related kinases 2A (Nek2A) is upregulated in breast cancer, correlating with disease progression and poor prognostic factors. Inhibiting Nek2A reduces cancer cell proliferation, suggesting it as a therapeutic target.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cell Biology

Background:

  • NIMA-related kinases 2A (Nek2A) is a key regulator of centrosome function.
  • Aberrant centrosome regulation is implicated in cancer development.

Purpose of the Study:

  • To investigate Nek2A expression in breast cancer.
  • To determine the role of Nek2A in breast cancer progression.
  • To evaluate Nek2A as a potential diagnostic biomarker and therapeutic target.

Main Methods:

  • Detected Nek2A mRNA and protein expression in breast cancer cell lines (MCF-10A, MCF-10DCIS.com, MCF-10CA1a) and human breast tissues (normal, DCIS, IDC).
  • Correlated Nek2A expression with clinicopathological factors.
  • Studied the effects of ectopic Nek2A expression and Nek2A knockdown on cell behavior.

Main Results:

  • Nek2A mRNA and protein were significantly upregulated in breast cancer cell lines and tissues.
  • Nek2A expression correlated with molecular subtypes, ER, PR, Ki-67, histological grade, and lymph node metastasis.
  • Ectopic Nek2A expression caused abnormal centrosomes; Nek2A knockdown inhibited proliferation and induced cell cycle arrest.

Conclusions:

  • Nek2A is closely associated with breast carcinoma development and progression.
  • Nek2A may serve as a novel biomarker for breast cancer diagnosis.
  • Nek2A represents a potential therapeutic target, particularly for ductal carcinoma in situ (DCIS).

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