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The Promotion of Cell Proliferation by Food-Derived Bioactive Peptides: Sources and Mechanisms

Yuhao Yan,Yinuo Liu,Xinwei Zhang,Liting Zan,Xibi Fang

Published 2025 in Metabolites

ABSTRACT

Cell proliferation plays a pivotal role in multiple physiological processes, including osteoporosis alleviation, wound healing, and immune enhancement. Numerous novel peptides with cell proliferation-promoting activity have been identified. These peptides exert their functions by modulating key cellular signaling pathways, thereby regulating diverse biological processes related to cell proliferation. This work summarizes peptides derived from animals and plants that stimulate cell proliferation, focusing on their amino acid composition, physicochemical properties, and preparation techniques. Furthermore, we highlight the major signaling pathways—such as the PI3K/Akt, MAPK/ERK, and Wnt/β-catenin pathways—that have been implicated in the mechanistic studies of food-derived peptides. Through the analysis and summary of previous studies, we observe a notable lack of in vivo animal models and clinical trials, indicating that these may represent promising directions for future research on food-derived bioactive peptides. Meanwhile, the potential safety concerns of proliferation-enhancing peptides—such as immunogenicity, appropriate dosage, and gastrointestinal stability—warrant greater attention. In summary, this review provides a comprehensive overview of the sources and mechanisms of cell proliferation-promoting peptides and addresses the challenges in industrializing bioactive peptide-based functional foods; therefore, further research in this area is encouraged.

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