Table 2.

Frequencies of MMP2 alleles and genotypes in SSc, in the diffuse cutaneous subset, in SSc patients with fibrosing alveolitis and controls. Data are no. (%).

FeatureSScdcSScFAControlsp*
rs-1306 prom
   AlleleC1364 (78)467 (78)542 (78)1544 (76)0.24
T392 (22)129 (22)156 (22)486 (24)
   GenotypesCC535 (61)187 (63)217 (62)596 (59)0.3
TC294 (33)93 (31)108 (31)352 (35)
TT49 (6)18 (6)24 (7)67 (6)
rs-790 prom
   AlleleT1341 (78)467 (79)533 (78)1529 (76)0.22
G377 (22)113 (21)147 (22)720 (24)
   GenotypesTT528 (61)183 (63)214 (63)592 (59)0.28
TG285 (33)91 (31)105 (31)345 (34)
GG46 (6)16 (6)21 (6)64 (7)
rs-735 prom
   AlleleC1518 (87)521 (89)613 (89)1752 (88)0.62
T216 (13)67 (11)73 (11)236 (12)
   GenotypesCC669 (77)232 (79)274 (80)769 (77)0.35
TC188 (22)57 (19)65 (19)214 (22)
TT14 (1)5 (2)4 (1)11 (1)
rs1292301
   AlleleC1135 (65)399 (68)460 (65)1326 (65)0.84
T611 (35)191 (32)232 (35)704 (35)
   GenotypesCC372 (43)136 (46)153 (44)436 (43)0.83
TC391 (45)127 (43)154 (44)454 (45)
TT110 (12)32 (11)39 (12)125 (12)
rs7201
   AlleleA972 (56)330 (57)385 (56)1090 (55)0.58
C760 (44)250 (43)299 (44)884 (45)
   GenotypesAA285 (33)101 (35)111 (32)313 (32)0.61
AC402 (46)128 (44)163 (48)464 (47)
CC179 (21)61 (21)68 (20)210 (21)
rs243849
   AlleleC1445 (83)488 (83)585 (85)1650 (83)0.77
T299 (17)100 (17)103 (15)350 (17)
   GenotypesCC602 (69)205 (70)251 (73)686 (69)0.74
TC241 (28)78 (27)83 (24)278 (28)
TT29 (3)11 (3)10 (3)36 (3)
  • * Comparison of frequencies of minor allele and homozygous genotype between SSc and controls. dcSSc: diffuse cutaneous systemic sclerosis; FA: SSc patients with fibrosing alveolitis.