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Evaluation of progesterone receptor expression in eosinophils using real-time quantitative PCR
Joeri L E Aerts1, Marie-Rose Christiaens, Philippe Vandekerckhove
1Experimental Laboratory Medicine, University Hospital Leuven, University of Leuven, Louvain, Belgium. joeri_aerts@nih.gov
Biochimica Et Biophysica Acta
|July 2, 2002
Summary
Progesterone
Area of Science:
- Immunology and Endocrinology
Background:
- Progesterone exhibits immune-suppressant activities, primarily studied in lymphocytes.
- Progesterone's suppressive effect on eosinophilia is noted but not extensively investigated.
Purpose of the Study:
- To determine if progesterone's effect on eosinophils is mediated by the classical progesterone receptor (PR).
Main Methods:
- Development and validation of a real-time quantitative PCR (RQ-PCR) assay for classical PR expression.
- Analysis of PR expression in breast cancer cell lines, biopsies, and human peripheral blood eosinophils.
Main Results:
- The developed RQ-PCR assay was validated on breast cancer samples.
- No evidence of classical PR expression was found in isolated human eosinophils.
Conclusions:
- Progesterone's suppressive effects on eosinophils are likely not mediated through the classical progesterone receptor (PR).
- Further research is needed to elucidate the mechanisms behind progesterone's influence on eosinophils.