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Ginsenoside Rg5 as an anticancer drug: a comprehensive review on mechanisms, structure-activity relationship, and
Tilal Elsaman1, Ali Mahmoud Muddathir2, Ebtihal A M Mohieldin3
1Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka, Al Jouf, Saudi Arabia.
Abstract:
Cancer remains one of the leading causes of death in the world. Despite the considerable success of conventional treatment strategies, the incidence and mortality rates are still high, making developing new effective anticancer therapies an urgent priority. Ginsenoside Rg5 (Rg5) is a minor ginsenoside constituent obtained exclusively from ginseng species and is known for its broad spectrum of pharmacological activities. This article aimed to comprehensively review the anticancer properties of Rg5, focusing on action mechanisms, structure-activity relationship (SAR), and pharmacokinetics attributes. The in vitro and in vivo activities of Rg5 have been proven against several cancer types, such as breast, liver, lung, bone, and gastrointestinal (GI) cancers. The modulation of multiple signaling pathways critical for cancer growth and survival mediates these activities. Nevertheless, human clinical studies of Rg5 have not been addressed before, and there is still considerable ambiguity regarding its pharmacokinetics properties. In addition, a significant shortage in the structure-activity relationship (SAR) of Rg5 has been identified. Therefore, future efforts should focus on further optimization by performing extensive SAR studies to uncover the structural features essential for the potent anticancer activity of Rg5. Thus, this review highlights the value of Rg5 as a potential anticancer drug candidate and identifies the research areas requiring more investigation.
Insights
Ginsenoside Rg5 (Rg5) shows promising anticancer potential against various cancers by modulating key signaling pathways. Further research into its pharmacokinetics and structure-activity relationship (SAR) is needed for drug development.
Area of Science:
- Pharmacology
- Natural Products Chemistry
- Oncology
Background:
- Cancer remains a leading global cause of death, necessitating novel therapeutic strategies.
- Ginsenoside Rg5 (Rg5), a compound from ginseng, exhibits diverse pharmacological activities.
- Existing treatments have limitations, driving the search for new anticancer agents.
Purpose of the Study:
- To comprehensively review the anticancer properties of Rg5.
- To focus on Rg5's mechanisms of action, structure-activity relationship (SAR), and pharmacokinetics.
- To identify research gaps and future directions for Rg5 as an anticancer drug.
Main Methods:
- Literature review of in vitro and in vivo studies on Rg5's anticancer effects.
- Analysis of Rg5's impact on cancer-related signaling pathways.
- Evaluation of available data on Rg5's SAR and pharmacokinetics.
Main Results:
- Rg5 demonstrates in vitro and in vivo anticancer activity against breast, liver, lung, bone, and gastrointestinal cancers.
- Rg5's anticancer effects are mediated by modulating multiple critical signaling pathways.
- Significant gaps exist in human clinical data, pharmacokinetics, and detailed SAR for Rg5.
Conclusions:
- Rg5 is a promising candidate for anticancer drug development due to its broad-spectrum activity.
- Further extensive SAR studies are crucial to optimize Rg5's anticancer potency.
- Clinical trials and detailed pharmacokinetic investigations are essential next steps for Rg5 research.
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