Table 3. Psoriasis susceptibility loci by genome-wide linkage scans Locus Location Reference PSORS1 6p213 Trembath et al. 1997. Nair et al. 1997 Jenisch et al. 1998. Enlund et al, 1999 Balendran et al. 1999. samuelsson et al 1999. oka et al. 1999. Nair et al. 2000 PSORS2 17q24-g25 Tomfohrde et al. 1994. Nair et al. 199 Enlund et al. 1999. samuelsson et al. 1999 PSORS3 4q34 M atthews et al. 1996 PSORS4 1021 Bhalerao and Bowcock 1998, Capon et al 1999 PSORS5 3q21 I Samuelsson et al. 1999, Veal et al.2001 PSORS6 19013 Lee et al. 2000 PSORS7 1p35-p34 Veal et al. 2001 PSORS8 16q12-q13 Nair et al 1997, Karason et al. 2003 D PSORSO 4q31-q32 hang Xuejun, 2002PSORS9 4q31-q32 zhang Xuejun,2002