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Profiling of Estrogen-regulated MicroRNAs in Breast Cancer Cells
Published on: February 21, 2014
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Structure-activity relationship study of estrogen receptor down-regulators with a diphenylmethane skeleton
Shun Nanjyo1, Kenji Ohgane1, Hiromasa Yoshioka1
1Institute for Quantitative Biosciences, the University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-0032, Japan.
Bioorganic & Medicinal Chemistry
|April 4, 2019
Summary
A new high-throughput assay quantifies selective estrogen receptor (ER) down-regulators (SERDs) activity. This method aids in understanding SERD mechanisms and developing new breast cancer treatments.
Area of Science:
- Pharmacology
- Biochemistry
- Oncology
Background:
- Selective estrogen receptor (ER) down-regulators (SERDs) are crucial for treating ER-positive breast cancers.
- The exact mechanisms and structure-activity relationships of SERDs remain incompletely understood.
- Current methods like Western blotting are low-throughput and lack quantification for SERD evaluation.
Purpose of the Study:
- To develop a quantitative, high-throughput assay for assessing SERD activity.
- To investigate the structure-activity relationship of novel diphenylmethane derivatives as SERDs.
Main Methods:
- Established stable HEK-293 cell lines expressing ERα fused with emerald luciferase.
- Designed and synthesized new diphenylmethane derivatives.
- Evaluated SERD activity using a luciferase-based assay, measuring EC50 and Emax.
Main Results:
- Developed a novel, quantitative, high-throughput assay for SERD evaluation.
- Successfully synthesized and tested new diphenylmethane derivatives for SERD activity.
- Characterized the potency (EC50) and efficacy (Emax) of candidate SERDs.
Conclusions:
- The developed assay provides a robust platform for evaluating SERDs.
- This system facilitates the study of SERD structure-activity relationships.
- The findings contribute to the development of more effective ER-positive breast cancer therapies.
Keywords:
DegradationDown-regulationEstrogen receptorSERDStructural developmentStructure-activity relationshipMore Related Videos
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