Aberrant keratinization of reticular oral lichen planus is related to elastolysis

Shih Chung Liao, Po Chen Hsieh, Jehn-Shun Huang, Chia Wen Hsu, Kuo Yuan

研究成果: Article同行評審

4 引文 斯高帕斯(Scopus)

摘要

Objective. Aberrant keratinization is common in oral lichen planus (OLP) on buccal mucosa. Because elastin is crucial for maintaining the nonkeratinized phenotype of oral mucosa, we examined whether inflammatory elastases and the accompanying elastolysis were related to this feature. Study Design. Protein and mRNA levels of keratinization-associated keratins (K1/10), nonkeratinization- associated keratins (K4/13), elastin, neutrophil elastase, and macrophage metalloelastase (MMP-12) were compared between normal alveolar mucosa and reticular OLP from buccal mucosa. Normal alveolar mucosae were cultured ex vivo on an organ culture system with and without elastase treatment. After 14 days, the mucosae were examined for 4 keratin expressions. Results. The expressions of K1/10 and elastases increased, whereas those of K4/13 and elastin decreased in OLP. The nonkeratinized mucosa in the organ culture began to express K1/10 when elastase degraded the inherent elastin. Conclusions. Our study demonstrated that elastolysis in reticular OLP may be related to its aberrant keratinization.

原文English
頁(從 - 到)808-816
頁數9
期刊Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
113
發行號6
DOIs
出版狀態Published - 2012 一月 1

All Science Journal Classification (ASJC) codes

  • Surgery
  • Oral Surgery
  • Pathology and Forensic Medicine
  • Dentistry (miscellaneous)
  • Radiology Nuclear Medicine and imaging

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