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

Molecular cloning of a novel 97-kd Golgi complex autoantigen associated with Sjögren's syndrome.

OBJECTIVE: To identify a Golgi complex autoantigen bound by Sjögren's syndrome (SS) autoantibodies. METHODS: Serum from a patient with secondary SS and anti-Golgi antibodies was used as a probe to isolate a complementary DNA (cDNA) insert from a HeLa cDNA library. RESULTS: A 3.7-kb cDNA encoding a 56-kd recombinant protein was immunoprecipitated by the human anti-Golgi serum and immune rabbit serum. Western blot analysis showed that the immune rabbit sera recognized a protein of 97 kd (golgin-97), suggesting that the isolated clone contained a partial cDNA. The 5' upstream sequence was obtained by rapid amplification of the cDNA ends. The complete cDNA contained 4,860 basepairs, encoding a protein with a calculated Mr of 88 kd. Antibodies to golgin-97 were found in 12 (20%) of 60 sera known to have anti-Golgi autoantibodies, and the majority of these sera (8 of 12, or 75%) were from patients who had secondary SS. CONCLUSION: Golgin-97 is a unique Golgi complex antigen that appears to be a target of SS autoantibodies.[1]


  1. Molecular cloning of a novel 97-kd Golgi complex autoantigen associated with Sjögren's syndrome. Griffith, K.J., Chan, E.K., Lung, C.C., Hamel, J.C., Guo, X., Miyachi, K., Fritzler, M.J. Arthritis Rheum. (1997) [Pubmed]
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