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Quantitative Analysis of Dietary Vitamin A Metabolites in Murine Ocular and Non-Ocular Tissues Using High-Performance Liquid Chromatography
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Published on: December 27, 2024

Carbonyl Reductase 3 (CBR3) Mediates 9-cis-Retinoic Acid-Induced Cytostatis and is a Potential Prognostic Marker for

Shuri Ohkura-Hada1, Nobuo Kondoh, Akiyuki Hada

  • 1Department of Biochemistry, National Defense Medical College, 3-2 Namiki, Tokorozawa-shi.

The Open Dentistry Journal
|December 18, 2008
PubMed

Insights

Retinoic acid (RA) may suppress oral cancer growth by activating the CBR3 gene. CBR3 gene expression could serve as a biomarker for oral malignancy detection.

Area of Science:

  • Molecular Biology
  • Oncology
  • Biochemistry

Background:

  • Oral squamous cell carcinoma (OSCC) is a significant global health concern.
  • Understanding the molecular drivers of OSCC growth is crucial for developing targeted therapies.
  • Retinoic acid (RA) is known to have anti-cancer properties, but its precise mechanisms in OSCC are not fully elucidated.

Purpose of the Study:

  • To investigate the molecular mechanisms underlying growth suppression by retinoic acid (RA) in oral squamous cell carcinomas (OSCCs).
  • To identify potential molecular markers associated with RA's cytostatic effects in OSCC.

Main Methods:

  • Analysis of gene expression in OSCC samples.
  • Investigation of the role of the CBR3 gene in response to RA treatment.
  • Evaluation of CBR3 expression as a potential diagnostic marker.

Main Results:

  • Retinoic acid (RA) treatment led to the activation of the endogenous CBR3 gene in OSCC cells.
  • CBR3 gene expression was found to be significantly altered in oral squamous cell carcinomas.
  • Elevated CBR3 expression correlates with the cytostatic effects induced by RA.

Conclusions:

  • The findings suggest that retinoic acid (RA) exerts its growth-suppressive effects in OSCC, at least partly, through the activation of the CBR3 gene.
  • CBR3 gene expression represents a potential biomarker for identifying oral malignancy and predicting response to RA-based therapies.

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