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Updated: Jul 30, 2025

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Published on: August 13, 2019
The G protein-coupled oestrogen receptor GPER in health and disease: an update
Eric R Prossnitz1,2,3, Matthias Barton4,5
1Department of Internal Medicine, Division of Molecular Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM, USA. eprossnitz@salud.unm.edu.
Abstract:
Oestrogens and their receptors contribute broadly to physiology and diseases. In premenopausal women, endogenous oestrogens protect against cardiovascular, metabolic and neurological diseases and are involved in hormone-sensitive cancers such as breast cancer. Oestrogens and oestrogen mimetics mediate their effects via the cytosolic and nuclear receptors oestrogen receptor-α (ERα) and oestrogen receptor-β (ERβ) and membrane subpopulations as well as the 7-transmembrane G protein-coupled oestrogen receptor (GPER). GPER, which dates back more than 450 million years in evolution, mediates both rapid signalling and transcriptional regulation. Oestrogen mimetics (such as phytooestrogens and xenooestrogens including endocrine disruptors) and licensed drugs such as selective oestrogen receptor modulators (SERMs) and downregulators (SERDs) also modulate oestrogen receptor activity in both health and disease. Following up on our previous Review of 2011, we herein summarize the progress made in the field of GPER research over the past decade. We will review molecular, cellular and pharmacological aspects of GPER signalling and function, its contribution to physiology, health and disease, and the potential of GPER to serve as a therapeutic target and prognostic indicator of numerous diseases. We also discuss the first clinical trial evaluating a GPER-selective drug and the opportunity of repurposing licensed drugs for the targeting of GPER in clinical medicine.
Insights
The G protein-coupled oestrogen receptor (GPER) plays a key role in health and disease. This review covers a decade of GPER research, highlighting its therapeutic potential.
Area of Science:
- Endocrinology and Molecular Biology
Background:
- Oestrogens and their receptors are crucial for physiology and disease, including cardiovascular, metabolic, neurological conditions, and hormone-sensitive cancers.
- Oestrogen receptors include oestrogen receptor-α (ERα), oestrogen receptor-β (ERβ), and the 7-transmembrane G protein-coupled oestrogen receptor (GPER).
- GPER mediates rapid signaling and transcriptional regulation, and its activity is modulated by oestrogen mimetics and drugs like SERMs and SERDs.
Purpose of the Study:
- To summarize advancements in GPER research over the past decade, following the 2011 review.
- To review molecular, cellular, and pharmacological aspects of GPER signaling and function.
- To explore GPER's contribution to physiology, health, and disease, and its potential as a therapeutic target and prognostic indicator.
Main Methods:
- Comprehensive literature review of GPER research published in the last decade.
- Analysis of molecular, cellular, and pharmacological data related to GPER.
- Examination of clinical trial data and drug repurposing opportunities for GPER.
Main Results:
- GPER research has significantly progressed over the last decade.
- GPER is implicated in various physiological and pathological processes.
- The potential of GPER as a therapeutic target and prognostic marker is increasingly recognized.
Conclusions:
- GPER is a significant target for therapeutic intervention and disease prognosis.
- The review discusses the first clinical trial of a GPER-selective drug and drug repurposing strategies.
- Further research into GPER signaling and pharmacology holds promise for novel treatments.
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