Table 1.

Association studies in IgA nephropathy

Candidate genes	Polymorphisms	Onset	Progression	No. of points	Population
TCR Cβ	RFLP (Bgl II)	n		40	German
			y	34	Japanese
TCR Cα	RFLP (Taq I)	y	n	53	Chinese
		n		213	Japanese
			y	84	Japanese
ecNOS	ecNOS4 b/a	n	y	68	Japanese
		n	n	115	Korean
		n	n	70	German
NPYY1R	Y/y	n	y	68	Japanese
IL-1ra	VNTR	y	y	111	Chinese
TNFα	-308A/G	n	y	111	Chinese
TNFβ	RFLP (Ncol)	y		77	British
Sμ, Sα	RFLP (Sacl)	n	y	78	Chinese
AGT	M235T		y	168	Canadian
			n	64	American
		n	n	247	Italian
			n	274	French
AT1R	A1166C		n	64	American
			n	168	Canadian
			n	274	French
ACE	I/D		y	53	Japanese
		n	y	48	Japanese
			y	97	Japanese
		n	y	100	Scottish
		n	n	204	German
			y	64	American
			y	168	Canadian
		n	n	70	German
		n	n	247	Italian
			n	274	French
			n	527	Japanese
		n	n	110	German
PAF	G994T	n	y	89	Japanese
UTR	G38A	n	y	110	German
megsin	C2093T	n	n	110	German
α1	α1hs1/2	n	y	104	French