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Updated: Apr 28, 2026

Fluorescence-based Monitoring of PAD4 Activity via a Pro-fluorescence Substrate Analog
Published on: November 5, 2014
PAR-4: a possible new target for age-related disease
Wu Qinan1, Zhang Ling, Chen Bing
1The First Affiliated Hospital of the Third Military Medical University, Endocrine Department , Post number: 400038, Chongqing , China chenbingxnyy@126.com.
Introduction:
Apoptosis plays an important role in age-related disease, and prostate apoptosis response-4 (PAR-4) is a novel apoptosis-inducing factor that regulates apoptosis in most cells. Recent studies suggest that PAR-4 plays an important role in the progression of many age-related diseases. This review highlights the significance of PAR-4 and builds a strong case supporting its role as a possible therapeutic target in age-related disease.
Areas Covered:
This review covers the advancements over the last 15 years with respect to PAR-4 and its significance in age-related disease. Additionally, it provides knowledge regarding the significance of PAR-4 in age-related disease as well as its role in apoptotic signaling pathways, endoplasmic reticulum (ER) stress, and other mechanisms that may induce age-related disease.
Expert Opinion:
PAR-4 may be a potential therapeutic target that can trigger selective apoptosis in cancer cells. It is induced by ER stress and increased ER stress, and it is involved in the activity of the dopamine D2 receptor. Abnormal expression of PAR-4 may be associated with cardiovascular disease and diabetes. PAR-4 agonists and inhibitors must be identified before gene therapy can commence.
Insights
Prostate apoptosis response-4 (PAR-4) is crucial in age-related diseases and apoptosis. Targeting PAR-4 offers a potential therapeutic strategy for these conditions, particularly in cancer cells.
Area of Science:
- Molecular Biology
- Cellular Biology
- Gerontology
Background:
- Apoptosis is vital in age-related diseases.
- Prostate apoptosis response-4 (PAR-4) is a key apoptosis-inducing factor.
- PAR-4's role in age-related disease progression is increasingly recognized.
Purpose of the Study:
- To review advancements in PAR-4 research over the last 15 years.
- To highlight PAR-4's significance in age-related diseases.
- To explore PAR-4 as a potential therapeutic target.
Main Methods:
- Literature review of studies on PAR-4 and age-related diseases.
- Analysis of PAR-4's involvement in apoptotic signaling pathways.
- Examination of PAR-4's role in endoplasmic reticulum (ER) stress.
Main Results:
- PAR-4 is implicated in various age-related disease mechanisms.
- ER stress induces PAR-4 expression.
- PAR-4 is linked to dopamine D2 receptor activity.
Conclusions:
- PAR-4 is a promising therapeutic target for selective apoptosis induction in cancer cells.
- Abnormal PAR-4 expression is associated with cardiovascular disease and diabetes.
- Identification of PAR-4 agonists and inhibitors is necessary for gene therapy.
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