Potential anti-hepatocellular carcinoma properties and mechanisms of action of clerodane diterpenes isolated from Polyalthia longifolia seeds

Diterpenes are secondary metabolites that have attracted much attention due to their potential biological activities including anti-cancer potential. The aim of the current study is to assess the anticancer potential of the six known clerodane diterpenes ( 1 – 6 ) isolated from Polyalthia longifolia...

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Published in:Scientific reports 2022-06, Vol.12 (1), p.9267-9267, Article 9267
Main Authors: Tatipamula, Vinay Bharadwaj, Thonangi, Chandi Vishala, Dakal, Tikam Chand, Vedula, Girija Sastry, Dhabhai, Bhanupriya, Polimati, Haritha, Akula, Annapurna, Nguyen, Ha Thi
Format: Article
Language:English
Subjects:
631/45
631/67
631/92
Cytotoxicity
Diabetes
Disease control
Diterpenes
Drug dosages
Hepatocellular carcinoma
Humanities and Social Sciences
Liver cancer
MDM2 protein
Medical prognosis
Metabolites
Molecular modelling
multidisciplinary
Polyalthia longifolia
Science
Science (multidisciplinary)
Secondary metabolites
Seeds
Tumor necrosis factor-α
Tumors
Vitamin D
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Summary:Diterpenes are secondary metabolites that have attracted much attention due to their potential biological activities including anti-cancer potential. The aim of the current study is to assess the anticancer potential of the six known clerodane diterpenes ( 1 – 6 ) isolated from Polyalthia longifolia seeds and their underlying molecular mechanisms. These compounds were evaluated for their cytotoxicity in vitro by using MTT assays. The “two-phase model” with NDEA and PB ad libitum was used for induction of HCC and sorafenib was used as the standard drug. Prophylactic studies were carried out for compounds 4/6 at both low (5 mg/kg b.w) and high (10 mg/kg b.w) doses. Based on the MTT assay results, the two best compounds, 4 and 6 , were selected for in vivo studies. The results showed that treatment with compound 4/6 significantly restored the changes in biochemical parameters and liver morphology observed in (NDEA + PB)-induced HCC rats. Additionally, the docking studies showed that compound 4/6 interacted with several key proteins such as MDM2, TNF-α, FAK, thereby inhibiting these proteins and reversing the negative impacts of NDEA. In conclusion, our results suggested that compounds 4 and 6 are potential therapeutic agents for HCC, mostly due to their ability to control typical cancer pathways.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-022-13383-y