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Pentagalloyl Glucose: A Review of Anticancer Properties, Molecular Targets, Mechanisms of Action, Pharmacokinetics, and Safety Profile

Journal

MOLECULES
Volume 28, Issue 12, Pages -

Publisher

MDPI
DOI: 10.3390/molecules28124856

Keywords

pentagalloyl glucose; gallotannin; anticancer; molecular targets; mechanisms; pharmacokinetics; safety profile

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Pentagalloyl glucose (PGG) is a natural compound found in various plants and herbs that exhibits broad-spectrum anticancer properties and acts on multiple molecular targets and signaling pathways. It inhibits cancer growth, angiogenesis, and metastasis, and can enhance the efficacy of chemotherapy and radiotherapy. However, further research is needed to investigate the pharmacokinetics and safety profile of PGG to determine its clinical application in cancer therapy.
Pentagalloyl glucose (PGG) is a natural hydrolyzable gallotannin abundant in various plants and herbs. It has a broad range of biological activities, specifically anticancer activities, and numerous molecular targets. Despite multiple studies available on the pharmacological action of PGG, the molecular mechanisms underlying the anticancer effects of PGG are unclear. Here, we have critically reviewed the natural sources of PGG, its anticancer properties, and underlying mechanisms of action. We found that multiple natural sources of PGG are available, and the existing production technology is sufficient to produce large quantities of the required product. Three plants (or their parts) with maximum PGG content were Rhus chinensis Mill, Bouea macrophylla seed, and Mangifera indica kernel. PGG acts on multiple molecular targets and signaling pathways associated with the hallmarks of cancer to inhibit growth, angiogenesis, and metastasis of several cancers. Moreover, PGG can enhance the efficacy of chemotherapy and radiotherapy by modulating various cancer-associated pathways. Therefore, PGG can be used for treating different human cancers; nevertheless, the data on the pharmacokinetics and safety profile of PGG are limited, and further studies are essential to define the clinical use of PGG in cancer therapies.

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