DOI: 10.4103/jisp.jisp_396_25 ISSN: 0972-124X

Bioactive insights into the therapeutic potential of Cissus quadrangularis in periodontitis: An in silico docking approach

H. Nilofer Farjana, G. Mohan Valiathan, Bagavad Gita Jayaraman, V. Ramya, J. Angelin Fiona, Anitha Balaji

Abstract:

Background:

Periodontitis triggers the activation of immune cells in response to bacterial toxins, leading to the production of reactive oxygen species and inflammatory mediators, such as tumor necrosis factor-alpha (TNF-α) and interleukin (IL)-1 β, which cause connective tissue damage and bone loss. Phytonutrients extracted from Cissus quadrangularis (CQ) have exhibited potential osteogenic, antioxidant, and anti-inflammatory activities.

Objective:

The objective of this study is to identify and characterize the major bioactive phytochemicals present in the ethanolic extract of CQ using Gas Chromatography-Mass Spectrometry (GC-MS), which may provide therapeutic benefits in periodontal disease. To perform in silico molecular docking analyses to study the interactions of the bioactive phytoconstituents of CQ with pro-inflammatory cytokines (TNF-α and IL-6) and anti-inflammatory cytokines (IL-4 and IL-10) to explore their therapeutic relevance in adjunctive periodontal therapy.

Materials and Methods:

The ethanolic extract of the sample was analyzed using GC-MS. The biomolecules derived from CQ, namely Diethyl Phthalate, Methyl 9-octadecenoate, n-Hexadecanoic acid methyl ester, and Methyl vanillate, were subjected to molecular docking analysis using AutoDock 4.0.

Results:

Twenty-one compounds were identified from the ethanol extract of CQ by the GC-MS method. Ethanol 2-2 oxybis (32.31%) was found to be the most prevalent compound with anti-inflammatory and osteogenic properties. CQ docking with cytokine targets IL-4, IL-10, TNF-α, and transforming growth factor-beta (TGF-β) showed a potential binding energy (–5.9 kcal/mol).

Conclusion:

The integration of GC-MS profiling with in silico molecular docking analysis suggests that the phytoconstituents of CQ may interact with key cytokine targets, including TNF-α, IL-4, IL-10, and TGF-β. These findings highlight a possible role of C. quadrangularis in modulating inflammatory and immune responses. This warrants further investigation of its therapeutic potential in the adjunctive management of periodontitis.

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