Table 3.

Immunofluorescence findings in patients with mercury-induced MN

Case	IgG	IgA	IgM	C3	C4	C1q	IgG1	IgG3	IgG4
1	1+	N	N	2+	1+	1+	2+	N	1+
2	2+	1+	1+	1+	1+	1+	2+	N	1+
3	2+	N	N	2+	N	N	2+	1+	1+
4	2+	N	N	2+	1+	N	2+	N	1+
5	2+	1+	1+	2+	1+	1+	2+	N	N
6	2+	N	N	2+	N	N	1+	1+	1+
7	2+	N	N	1+	1+	1+	2+	N	1+
8	2+	N	N	2+	1+	N	2+	N	1+
9	2+	N	N	1+	N	N	2+	N	N
10	2+	N	N	2+	1+	1+	2+	N	1+
11	2+	N	N	1+	1+	1+	2+	N	1+

N, negative.