Abstract
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.
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