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Treatment of dry eye by autologous serum application in Sjögren’s syndrome
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Abstract

AIM To evaluate the efficacy of autologous serum application for the treatment of dry eye in Sjögren’s syndrome.

METHODS The stability of essential components (EGF, vitamin A, and TGF-β) in preserved serum were examined following preservation at 4°C and −20°C. In a primary clinical trial, 12 patients with Sjögren’s syndrome were treated with autologous serum (diluted to 20% with sterile saline) for 4 weeks, and vital staining of the ocular surface was compared before and after treatment. The effects of serum on mucin (MUC-1) expression were observed in cultured conjunctival epithelial cells in vitro.

RESULTS EGF, vitamin A, and TGF-β were well preserved for up to 1 month in the refrigerator at 4°C and up to 3 months in the freezer at −20°C. Rose bengal and fluorescein scores improved significantly from the initial scores of 5.3 and 5.6 to 1.7 and 2.5 after 4 weeks, respectively. The additive effect of human serum for cultured conjunctival epithelial cells showed significant MUC-1 upregulation on the cell surface.

CONCLUSION Autologous serum application is a safe and efficient way to provide essential components to the ocular surface in the treatment of dry eye associated with Sjögren’s syndrome.

  • autologous serum
  • Sjögren’s syndrome
  • tears ocular surface

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