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Updated: Jun 21, 2026

Profiling of Estrogen-regulated MicroRNAs in Breast Cancer Cells

Profiling of Estrogen-regulated MicroRNAs in Breast Cancer Cells

Published on: February 21, 2014

Gene expression profiling in breast cancer.

Selim M Nasser¹

¹Department of Pathology, Clemenceau Medical Center, Beirut, Lebanon. selim.nasser@lau.edu.lb

Le Journal Medical Libanais. the Lebanese Medical Journal

|July 24, 2009

Summary

This summary is machine-generated.

Gene expression profiling offers new breast cancer markers and classifications, but accuracy concerns necessitate further validation before clinical use.

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Last Updated: Jun 21, 2026

Profiling of Estrogen-regulated MicroRNAs in Breast Cancer Cells

Profiling of Estrogen-regulated MicroRNAs in Breast Cancer Cells

Published on: February 21, 2014

Area of Science:

Oncology
Genomics
Biomarker Discovery

Background:

Traditional clinicopathologic parameters inadequately capture breast cancer heterogeneity.
Gene expression profiling (GEP) emerges as a tool to address this limitation.
GEP aids in classifying breast cancer and identifying prognostic/predictive markers.

Purpose of the Study:

To evaluate the potential of gene expression profiling in breast cancer management.
To discuss the challenges and limitations of implementing GEP tests in clinical settings.
To highlight the need for further validation of GEP assays.

Main Methods:

Analysis of gene expression patterns in breast cancer tissues.
Development and commercialization of prognostic and predictive assays based on GEP.
Review of current literature on GEP applications in oncology.

Main Results:

GEP has led to novel classifications of breast cancer.
New prognostic and predictive tests are being developed.
Clinical adoption of GEP tests faces significant challenges.

Conclusions:

GEP shows promise for improving breast cancer patient management.
The accuracy of GEP technologies is often overestimated.
Rigorous validation and clinical trials are essential before routine integration into practice.