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Oxidative stress directly or indirectly contributes to the development and progression of various diseases; therefore, regulating oxidative stress is a promising strategy for preventing or treating these conditions. The unique substances in soybeans, soy isoflavones, notably genistein, which have a strong antioxidant capacity, are considered to regulate various signaling pathways, alleviate oxidative stress, and improve gut microbiota imbalance as well as mitochondrial dysfunction. In this literature review, we summarize the latest research on genistein, providing evidence of its development and application as a potential drug for preventing and treating five selected diseases (Parkinson's disease, Alzheimer's disease, diabetes mellitus, cardiovascular disease, and cancers). The literature was searched using keywords that include tripartite combinations of genistein and oxidative stress, along with each of the five selected diseases, from PubMed, Science Direct, and Google Scholar between 2014 and 2024. According to current in vitro, in vivo, and clinical trials, we comprehensively discuss the therapeutic dose used to target various disease entities to achieve optimal efficacy and meet safety requirements. Moreover, considering the poor water solubility and limited bioavailability of genistein, strategies for improving its therapeutic efficacy, such as combining it with exercise, existing medications, and advanced technologies, as well as applying nanotechnology, were assessed. Therefore, this review aims to provide robust evidence for the development and application of genistein as a potential therapeutic agent or functional food for preventing and treating these diseases.
Zhang et al. (Thu,) studied this question.