肥大細胞干細胞因子在人慢性根尖周病中的表達
[Abstract]:Objective: to observe the expression of stem cell factor (stem cell factor,SCF) in mast cells (mast cells,MCs) of patients with chronic periapical disease, and to investigate the pathogenesis of SCF positive MCs in periapical disease and the formation of periapical fibrous tissue. In particular, the role of periapical cysts in the formation of fibrous tissue. Methods: from July 2011 to June 2013, 30 cases of apical cyst or apical granuloma, including 15 cases of apical granuloma and 15 cases of apical cyst, were selected from Liwan Stomatological Teaching Hospital of Jinan University. 20 cases of normal control group were extracted from healthy premolars due to orthodontics. The specimens were fixed with 10% formaldehyde for more than 48 hours. Tissue specimens were embedded in paraffin wax, stained with HE and stained with HE, and their histological changes were observed under optical microscope. The number of MCs and MCs degranulation were observed by immunohistochemical method, and immunofluorescence double staining was used. The number of tryptase-SCF double positive MCs in tissues of each group was observed under fluorescence microscope. Results: the results of immunohistochemical staining showed that the number of MCs and degranulated MCs in the chronic periapical disease tissues of the two groups was significantly higher than that in the control group (P0.01), and the number of MCs and MCs in the apical cyst group was significantly higher than that in the apical granuloma group (P0.05). The results of double immunofluorescence staining showed that the density of tryptaseSCF double positive MCs in the tissue of chronic periapical disease was significantly higher than that in the control group (P0.01), and the density of tryptase-SCF double positive MCs in the apical cyst group was significantly higher than that in the apical granuloma group (P0.05). There was no significant difference in the density of immunohistochemical staining MCs and immunofluorescence double staining MCs in each group (P0.05). Conclusion the double positive mast cells play an important role in the inflammatory damage of chronic periapical disease, especially in the formation of fibrous tissue of the apical cyst. The occurrence of the inflammatory damage in chronic periapical disease and the occurrence of the double positive mast cells of Tryptase-SCF may play an important role in the pathogenesis of chronic periapical disease. Progress and its persistence are relevant.
【作者單位】: 武警廣東省總隊醫(yī)院口腔科;暨南大學醫(yī)學院口腔醫(yī)學系;
【基金】:廣東省醫(yī)學科研基金資助項目(No.A2013454)
【分類號】:R781.34
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