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


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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