EFFECT OF BETA- SITOSTEROL ON EXPRESSION OF TGF- β, IGF-1 AND TNF-α mRNA IN LPS INDUCED FIBROBLAST CELL LINE- A MOLECULAR STUDY

Main Article Content

Nishitha Arun
Sindhu Ramesh
Selvaraj Jayaraman
Anjali Sankar

Keywords

Transforming growth factor-beta (TGF-β), Tumour Necrosis Factor–α (TNF-α), lipopolysaccharide (LPS), Insulin Growth Factor (IGF-1), Beta Sitosterol, Fibroblast, medical

Abstract

Introduction


The lipopolysaccharides(LPS) found in the gram negative bacteria is one of the important factors for the inflammation of pulp and periapical tissues. LPS is reported to increase inflammation by increasing TNF-α and downregulates growth factors like TGF-β and IGF-1. Phytosterols have a prominent anti-inflammatory function and wound healing capacity. The Aim of the study was to determine the effect of Beta Sitosterol on the expression of TGF-β, IGF-1, and TNF-α mRNA in LPS treated fibroblast cell lines.


Results
LPS induced fibroblast cultures showed an increase in the expression of TNF-α mRNA and reduced expression of TGF-β and IGF-1 mRNA. Treatment with Beta Sitosterol reduced the expression of TNF-α mRNA and increased the expression of TGF-β and IGF-1 mRNA in LPS induced fibroblast cell culture.


Conclusion
Beta sitosterol increased the expression of growth factors and downregulated the inflammatory factors thus potentiating its use in inflammatory conditions. It can be effectively used as intracanal medicament or pulp capping agent. Nevertheless, there is a need for controlled trials to establish its effectiveness clinically.


 

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