Σάββατο 23 Φεβρουαρίου 2019

Reticular and erosive oral lichen planus have a distinct metabolomic profile: A preliminary study using gas chromatography‐mass spectrometry

Abstract

Background

Oral Lichen Planus is a chronic inflammatory disorder that affects the oral mucosa, with the reticular and erosive forms representing the primary clinical variants of the disease. Previous studies have shown that metabolic alterations may well be involved in the pathogenesis of the disease; however, the molecular mechanisms related to the clinicopathological differences between erosive and reticular forms remain unknown.

Methods

A comparative metabolomic analysis was performed on formalin‐fixed and paraffin‐embedded tissue samples of erosive (n=6) and reticular (n=10) oral lichen planus using gas chromatography‐mass spectrometry.

Results

The metabolomic analysis showed a distinct profile between the two clinical variants. Five metabolites (cyclohexanamine, glycine, mannitol/sorbitol, methyl palmitate, and trehalose) were significantly diminished in erosive oral lichen planus as compared to the reticular form.

Conclusions

Reticular and erosive forms of oral lichen planus have a distinct metabolic profile. However, further studies using a large number of fresh tissue samples are necessary to confirm this data.

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