Abstract:
PURPOSE:To evaluate matrix metalloproteinases (MMP)-2, MMP-9, and tissue inhibitor of metalloproteinase (TIMP)-1 expression in a case of conjunctival intraepithelial squamous cell carcinoma (SCC) treated with topical 5-fluorouracil (5-FU) chemotherapy. METHODS:Clinicopathologic case report. RESULTS:A 71-year-old male patient presented with an intraepithelial conjunctival SCC. Because of a recurrence, he was placed on topical 5-FU for 4 weeks that ultimately led to a complete resolution of the disease. Conjunctival biopsies, impression cytologies, and tear samples were taken from the mass and the contralateral healthy eye. An overexpression of MMP-2, MMP-9, and TIMP-1 was observed in the tumor by immunohistochemistry. Clinical resolution of the neoplasm obtained using topical 5-FU was accompanied by a reduction in the expression of MMP-2, MMP-9, and TIMP-1 in tears and dysplastic conjunctival epithelium. CONCLUSIONS:In our case report, we have shown that gelatinase and TIMP-1 are unregulated in conjunctival SCC and can be monitored as a marker of response to topical chemotherapy. Further studies are required to define the role of MMPs in growth and resolution of ocular tumors.
journal_name
Corneajournal_title
Corneaauthors
Iovieno A,Lambiase A,Moretti C,Perrella E,Bonini Sdoi
10.1097/ICO.0b013e318190937dsubject
Has Abstractpub_date
2009-08-01 00:00:00pages
821-4issue
7eissn
0277-3740issn
1536-4798journal_volume
28pub_type
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