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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Abnormal expression and function of Fas ligand of lacrimal glands and peripheral blood in Sjögren's syndrome patients with enlarged exocrine glands.

The objective of our study was to investigate the possibility of Fas ligand protein abnormalities in certain types of Sjögren's syndrome patients with enlarged exocrine glands. Fas ligand expression by lymphocytes infiltrating the lacrimal glands and by peripheral blood monocytes in Sjögren's syndrome patients with enlarged exocrine glands was assessed immunohistologically and by immunoblotting. Cytotoxicity of peripheral blood monocytes and sensitivity to steroids in Sjögren's syndrome patients with enlarged exocrine glands were studied by functional assay. Minimal Fas ligand expression was detected in the lymphocytes of the lacrimal glands and a decreased level of Fas ligand was found in peripheral blood monocytes as assessed by immunoblotting. Functional assay confirmed the decreased cytotoxicity of lymphocytes in Sjögren's syndrome patients with enlarged exocrine glands, and that it is not affected by anti-Fas ligand antibody. By contrast, the sensitivity of lymphocytes in Sjögren's syndrome patients with enlarged exocrine glands to steroids was increased. These observations suggest that abnormal expression and function of Fas ligand occurs in Sjögren's syndrome patients with enlarged exocrine glands.[1]

References

  1. Abnormal expression and function of Fas ligand of lacrimal glands and peripheral blood in Sjögren's syndrome patients with enlarged exocrine glands. Tsubota, K., Fujita, H., Tadano, K., Onoda, N., Tsuzaka, K., Takeuchi, T. Clin. Exp. Immunol. (2002) [Pubmed]
 
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