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Table 1 Distribution of anti-Sip1 C-ter antibodies in sera from patients and from healthy donors

From: Identification and characterization of the carboxy-terminal region of Sip-1, a novel autoantigen in Behçet's disease

Serum samples Number of total samples Anti-Sip1 C-ter antibody response, number of positive samples (%)
   IgG IgM IgA
Behçet's disease 56 11 (20) 23 (41) 9 (17)
Systemic lupus erythematosus 32 2 (6) 0 (0) 0 (0)
Systemic sclerosis 24 1 (4) 0 (0) 4 (17)
Primary vasculitis 20 1 (5)a 9 (45)b 3 (15)c
Inflammatory bowel disease 32 1 (3) 0 (0) 1 (3)
Uveitis 17 2 (11) 0 (0) 4 (23)
Healthy donors 40 2 (5) 0 (0) 3 (7)
  1. Sip1 C-ter, carboxy-terminal subunit of Sip1.
  2. aOne patient with microscopic poly-angiitis; bfour patients with Wegener granulomatosis, two with Takayasu's arteritis, two with microscopic poly-angiitis and one with Horton disease; cone patient with Wegener granulomatosis, one with Churg-Strauss syndrome and one with Takayasu's Arteritis