New antigens involved in membranous nephropathy beyond phospholipase A2 receptor

Table 2 Clinical and immunomicroscopy findings in protocadherin patients[35,36]

Patient	Age (yr)	Urinary protein (g/24h)	Serum creatinine (mg/dL)	Immunofluorescence	IgG
1	73	3.2	1.1	IgG 3+; C1q 1+	IgG1 2+; IgG3 1+; IgG4 1+
2	66	9.6	1.3	IgG 2+	IgG1 1+; IgG4 2+
3	68	NA	1.1	IgG 2+	IgG4 2+
4	59	3	1.1	IgG 2+; C3 1+	1gG 1+; IgG2 2+; IgG3 2+; IgG4 3+
5	61	7	1.9	IgG 3+; C3 1+	IgG1 2+; IgG3 2+
6	38	3	1	IgG 1+	NA
7	37	1.4	1.76	IgG3 +	IgG4 1+
8	67	4.3	1.2	IgG 3+	NA
9	75	7	1	IgG 3+; C3 1+	NA
10	70	1	1.6	IgG 3+; C3 1+	NA
11	64	8.4	1.2	IgG 3+; C3 3+	IgG3 2+; IgG2 2+
12	61	3.9	1	IgG 3+	IgG4 2+; IgG2 1+
13	66	23.3	3.8	IgG 3+; IgA 2+	IgG4 2+; IgG2 2+
14	72	21	1.3	IgG 1+	NA

NA: Not applicable. IgG: Immunoglobulin G; IgA: Immunoglobulin A.