Journal of oral biology and craniofacial research · 2020
Correlation of VEGF and MMP-2 levels in oral lichen planus: An in vivo immunohistochemical study.
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Hazzaa Hala H, El Shiekh Marwa A M, Abdelgawad Nora, Gouda Ossama M, Kamal Naglaa M
Аннотация
BACKGROUND: This study aimed to investigate the relation between vascular endothelial growth factors (VEGF) and matrix metalloproteinase-2 (MMP-2) in different oral lichen planus (OLP) forms compared to control patients.
METHODS: Biopsies from 60 patients were selected and equally distributed as follows: reticular/popular OLP (R/PLP), atrophic/erosive OLP (A/ELP) patients, healthy subjects (Control). All biopsies were immune-histochemical stained and statistically analyzed for VEGF and MMP-2 expression.
RESULTS: Immune-expression of VEGF was significant between OLP and control (P-value <0.001). OLP showed a higher epithelial expression of VEGF in A/ELP compared to R/PLP (15.19 ± 2.53). In connective tissue (CT), R/PLP showed a higher VEGF expression (11.57 ± 2.32) compared to A/ELP (9.87 ± 2.48); (p < 0.001), with no significant difference (P-value ≥ 0.05). A significant epithelial expression of MMP-2 was seen in A/ELP compared to R/PLP (21.32 ± 7.08). R/PLP showed a higher expression of MMP-2 (20.45 ± 6.28) in CT compared to A/ELP group (17.66 ± 6.94), with a non-significant difference (P-value = 1.000). In A/ELP, a positive correlation between VEGF and MMP-2 was detected in CT, r = 0.761, with a weak correlation was noticed in epithelium r = 0.163. A negative correlation was noted between VEGF and MMP-2 in R/PLP in CT, r = -0.368, with a moderate positive correlation in epithelium, r = 0.655.
CONCLUSION: MMP-2 and VEGF protein profiles support a role in the pathogenesis of OLP. Based the MMP-2 and VEGF findings in the A/ELP group, this pathway may have a role in the malignant transformation of these lesions. Both observations invite further study.
METHODS: Biopsies from 60 patients were selected and equally distributed as follows: reticular/popular OLP (R/PLP), atrophic/erosive OLP (A/ELP) patients, healthy subjects (Control). All biopsies were immune-histochemical stained and statistically analyzed for VEGF and MMP-2 expression.
RESULTS: Immune-expression of VEGF was significant between OLP and control (P-value <0.001). OLP showed a higher epithelial expression of VEGF in A/ELP compared to R/PLP (15.19 ± 2.53). In connective tissue (CT), R/PLP showed a higher VEGF expression (11.57 ± 2.32) compared to A/ELP (9.87 ± 2.48); (p < 0.001), with no significant difference (P-value ≥ 0.05). A significant epithelial expression of MMP-2 was seen in A/ELP compared to R/PLP (21.32 ± 7.08). R/PLP showed a higher expression of MMP-2 (20.45 ± 6.28) in CT compared to A/ELP group (17.66 ± 6.94), with a non-significant difference (P-value = 1.000). In A/ELP, a positive correlation between VEGF and MMP-2 was detected in CT, r = 0.761, with a weak correlation was noticed in epithelium r = 0.163. A negative correlation was noted between VEGF and MMP-2 in R/PLP in CT, r = -0.368, with a moderate positive correlation in epithelium, r = 0.655.
CONCLUSION: MMP-2 and VEGF protein profiles support a role in the pathogenesis of OLP. Based the MMP-2 and VEGF findings in the A/ELP group, this pathway may have a role in the malignant transformation of these lesions. Both observations invite further study.