How Natural Therapies Can Combat Neoplastic Disease by Targeting Key Survival Mechanisms and Signaling Pathways.
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therapeutics-02-00005.pdf
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Resource type
Journal article
Date published
March 5, 2025
Abstract
Plant extracts are increasingly becoming an answer to expensive, high-dose, synthesized chemotherapy, with milder side effects and easier accessibility. Many botanical plants contain active ingredients, such as terpenoids and alkaloids, which may combat cancer; however, studies need to be performed to test whether they are solely effective enough and whether the extracted compounds are selective for the tumor itself. Many chemotherapy drugs were initially of botanical origin, such as vincristine from Catharanthus roseus and paclitaxel from the Taxus baccata tree. The objective of this review is to assess the mechanisms of herbal therapeutics in their role against malignancy. Ajwa, curcumin, ginseng, lycopene, and ursolic acid were all respectively evaluated in the paper for their prevalent properties, their method of extraction, notable usage in medicine, which pathways they activate, and whether the transductions can disrupt cancer formation or proliferation. The findings from the review demonstrated that all the therapeutics exhibited pro-apoptotic behavior, Ajwa and curcumin exerted cell cycle arrest upon neoplasms, and Ajwa, curcumin, and lycopene showed anti-metastatic behavior. Most extracts were tested on colorectal cancer, and the pathways most commonly applied were through BAX/Bcl2 and endoproteases, such as caspase-3 and caspase-9, indicating predominantly mitochondrial apoptosis. In addition, cell cycle arrest was noted to occur during the G2/M phase via Wnt/β-catenin in both curcumin and ginseng, independently of the Wnt/β-catenin pathway in Ajwa constituents, reducing cell viability. All of these studies were demonstrated in vitro within varieties of single cell cultures, which did not take into account bioavailability nor properly demonstrate the tumor microenvironment, which may not yield the same results in vivo. Clinical trials need to be undergone to appropriately test effective dosages, as if a compound is strongly pro-apoptotic, it may not be selective just to tumor cells but also to healthy cells, which may impair their functions.
Project(s)
Priority 1: Ecosystem Stewardship
Journal title
Therapeutics
Volume
2
Article number
5
Publisher
MDPI AG
Place of publication
Basel, Switzerland
eISSN
2813-9909
Date accepted
February 24, 2025
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In Copyright
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IF = unknown.