{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,20]],"date-time":"2025-10-20T00:23:00Z","timestamp":1760919780324,"version":"build-2065373602"},"reference-count":45,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2006,1,1]],"date-time":"2006-01-01T00:00:00Z","timestamp":1136073600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Periodontology"],"published-print":{"date-parts":[[2006,1]]},"abstract":"<jats:p><jats:bold>Background:<\/jats:bold> Gingival overgrowth is a side effect associated with cyclosporin A (CsA) therapy. The lesion is characterized by increased epithelial thickness, enlargement of connective tissue, and increased vascularization. The aim of this experimental study was to examine the role of vascular endothelial growth factor (VEGF) in the pathogenesis of CsA\u2010induced gingival overgrowth.<\/jats:p><jats:p><jats:bold>Methods:<\/jats:bold> Twenty male Wistar rats were divided into two groups of 10 animals each. For the development of gingival overgrowth, one group received CsA therapy subcutaneously in a daily dose of 10 mg\/kg for 60 days, and the other group was used as a control. At the end of the experimental period, rats were subsequently decapitated, and the mandibles with the surrounding gingiva and soft tissue were removed. Half of each sample was used for histomorphometric analysis, and the other half was used for biochemical analysis. Histomorphometric analysis included the measurements of the number and diameter of blood vessel profiles under a microscope, and biochemical analysis included the assessment of VEGF concentration by enzyme\u2010linked immunosorbent assay (ELISA).<\/jats:p><jats:p><jats:bold>Results:<\/jats:bold> The histomorphometric findings showed that the number of blood vessel profiles increased in the CsA group compared to the control group (<jats:italic>P<\/jats:italic> &lt;0.001), although the increase in the diameter of blood vessel profiles was not significant (<jats:italic>P<\/jats:italic> &gt;0.05). The biochemical findings showed that in vivo VEGF expression was higher in the CsA group compared to the control group (<jats:italic>P<\/jats:italic> &lt;0.001).<\/jats:p><jats:p><jats:bold>Conclusion:<\/jats:bold> The results of this study suggest that increased VEGF expression may be associated with the pathogenesis of CsA\u2010induced gingival overgrowth.<\/jats:p>","DOI":"10.1902\/jop.2006.77.1.54","type":"journal-article","created":{"date-parts":[[2006,1,5]],"date-time":"2006-01-05T08:36:06Z","timestamp":1136450166000},"page":"54-60","source":"Crossref","is-referenced-by-count":24,"title":["Increased Expression of Vascular Endothelial Growth Factor in Cyclosporin A\u2010Induced Gingival Overgrowth in Rats"],"prefix":"10.1002","volume":"77","author":[{"given":"Burcu 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