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SOD2, a Potential Transcriptional Target Underpinning CD44-Promoted Breast Cancer Progression

Nouralhuda Alateyah1, Ishita Gupta2,3, Radoslaw Stefan Rusyniak1

  • 1Biological Sciences Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, Doha P.O. Box 2713, Qatar.

Molecules (Basel, Switzerland)
|February 15, 2022
PubMed

Insights

Superoxide dismutase 2 (SOD2) is identified as a downstream target of CD44 in breast cancer (BC) metastasis. This review explores SOD2

Area of Science:

  • Oncology
  • Molecular Biology
  • Cell Biology

Background:

  • CD44, a cell-adhesion molecule, exhibits a dual role in tumor growth, acting as both a tumor suppressor and promoter.
  • Previous research established a tetracycline-off regulated expression of the CD44 gene in the MCF-7 breast cancer cell line (B5 clone).

Purpose of the Study:

  • To identify downstream transcriptional targets of CD44 involved in breast cancer (BC) metastasis.
  • To elucidate the oncogenic mechanisms of superoxide dismutase 2 (SOD2) in cancer, particularly BC.
  • To review the potential clinical relevance of SOD2 inhibitors.

Main Methods:

  • Utilized cDNA oligo gene expression microarray analysis.
  • Focused on the MCF-7 breast cancer cell line.

Main Results:

  • Identified SOD2 (superoxide dismutase 2) as a potential CD44-downstream transcriptional target.
  • SOD2, encoding a mitochondrial protein, is implicated in BC metastasis.

Conclusions:

  • SOD2 plays a significant role in cell proliferation and invasion by activating signaling pathways that regulate angiogenic abilities in breast tumor cells.
  • Understanding the oncogenic potential of SOD2 is crucial for developing targeted therapies for breast cancer.
Keywords:
CD44SOD2breast cancerhyaluronaninvasion

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