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

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

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)

Sip1 C-ter, carboxy-terminal subunit of Sip1.
^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

ISSN: 1478-6362