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Yin yang 1 expression in human tumors

Apostolos Zaravinos1, Demetrios A Spandidos

  • 1Department of Clinical Virology, School of Medicine, University of Crete, Heraklio, Greece. azaravinos@gmail.com

Cell Cycle (Georgetown, Tex.)
|January 19, 2010
PubMed

Insights

Yin Yang 1 (YY1) transcription factor shows a dual role in human cancers. Its expression levels, whether high or low, influence cancer development differently across various tumor types.

Area of Science:

  • Molecular Biology
  • Genetics
  • Oncology

Background:

  • Yin Yang 1 (YY1) is a transcription factor regulating genes crucial for cell proliferation and differentiation.
  • YY1's function can activate or repress transcription based on its binding context.
  • Dysregulation of YY1 is implicated in various human diseases, including cancer.

Purpose of the Study:

  • To investigate the role of YY1 expression levels in different human cancer types.
  • To analyze the association between YY1 transcript levels and cancer development, progression, and metastasis.
  • To consolidate existing knowledge on YY1 regulation in the context of cancer.

Main Methods:

  • Computational analysis of thirty-six publicly available Gene Expression Omnibus (GEO) datasets.
  • Comparison of YY1 transcript levels in various cancer types versus normal tissues, benign tumors, and metastatic counterparts.
  • Review of relevant literature on YY1 regulation and its role in cancer.

Main Results:

  • YY1 transcript levels exhibit significant differences across various human cancer types when compared to normal tissues.
  • Overexpression of YY1 is observed in some cancers, while underexpression is noted in others.
  • The study identified a context-dependent, dual role for YY1 in cancer development.

Conclusions:

  • YY1 plays a significant, albeit complex, role in human tumorigenesis.
  • Altered YY1 expression (over or under) is a hallmark of specific cancer types.
  • Further research into YY1's regulatory mechanisms is warranted for therapeutic strategies.

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