Expression of tumor necrosis factor alpha and matrix metalloproteinase-9 in surgically induced necrotizing scleritis

Kyoung Yul Seo, Hyung Keun Lee, Eung Kweon Kim, Joon H. Lee

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Background: Surgically induced necrotizing scleritis is primarily managed with immunosuppressive regimens. Such treatments can alter inflammatory cytokines and products such as tumor necrosis factor-α (TNF-α) and matrix metalloproteinase-9 (MMP-9), which are an important proinflammatory cytokine and a tissue-degrading protease involved in necrosis of some ocular tissues. Object: To evaluate TNF-α and MMP-9 in the tear or sclera of surgically induced necrotizing scleritis. Methods: After tear collection from healthy and diseased eyes of 2 patients, immunoblot analysis using monoclonal antibody specific for human TNF-α and MMP-9 was performed. In another patient, scleral tissues were obtained during scleral allograft surgery, and the same immunoblot analysis was done. Results: The level of TNF-α and MMP-9 was increased in tear fluid from patients compared to that of control volunteers and returned to the control level after treatment. The diseased sclera showed an increased expression of MMP-9 compared to that of the normal donor sclera. Conclusions: TNF-α and MMP-9 may suggest disease activity of surgically induced necrotizing scleritis and can be altered by proper immunosuppressive treatment.

Original languageEnglish
Pages (from-to)66-70
Number of pages5
JournalOphthalmic Research
Volume38
Issue number2
DOIs
Publication statusPublished - 2006 Feb 1

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Scleritis
Matrix Metalloproteinase 9
Tumor Necrosis Factor-alpha
Tears
Sclera
Immunosuppressive Agents
Scleral Diseases
Cytokines
Eye Diseases
Allografts
Volunteers
Peptide Hydrolases
Necrosis
Therapeutics
Monoclonal Antibodies
Tissue Donors

All Science Journal Classification (ASJC) codes

  • Ophthalmology
  • Sensory Systems
  • Cellular and Molecular Neuroscience

Cite this

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title = "Expression of tumor necrosis factor alpha and matrix metalloproteinase-9 in surgically induced necrotizing scleritis",
abstract = "Background: Surgically induced necrotizing scleritis is primarily managed with immunosuppressive regimens. Such treatments can alter inflammatory cytokines and products such as tumor necrosis factor-α (TNF-α) and matrix metalloproteinase-9 (MMP-9), which are an important proinflammatory cytokine and a tissue-degrading protease involved in necrosis of some ocular tissues. Object: To evaluate TNF-α and MMP-9 in the tear or sclera of surgically induced necrotizing scleritis. Methods: After tear collection from healthy and diseased eyes of 2 patients, immunoblot analysis using monoclonal antibody specific for human TNF-α and MMP-9 was performed. In another patient, scleral tissues were obtained during scleral allograft surgery, and the same immunoblot analysis was done. Results: The level of TNF-α and MMP-9 was increased in tear fluid from patients compared to that of control volunteers and returned to the control level after treatment. The diseased sclera showed an increased expression of MMP-9 compared to that of the normal donor sclera. Conclusions: TNF-α and MMP-9 may suggest disease activity of surgically induced necrotizing scleritis and can be altered by proper immunosuppressive treatment.",
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Expression of tumor necrosis factor alpha and matrix metalloproteinase-9 in surgically induced necrotizing scleritis. / Seo, Kyoung Yul; Lee, Hyung Keun; Kim, Eung Kweon; Lee, Joon H.

In: Ophthalmic Research, Vol. 38, No. 2, 01.02.2006, p. 66-70.

Research output: Contribution to journalArticle

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