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. Author manuscript; available in PMC: 2010 Sep 1.
Published in final edited form as: Toxicol Appl Pharmacol. 2009 Jun 16;239(2):200–207. doi: 10.1016/j.taap.2009.06.007

Table 7.

Arsenic metabolism and extended AS3MT haplotype frequencies in the study population.

Haplotypes 1(ATT) 2(GTT) 3(ACT) 4(ATC) 5(ACC) 6(GCT) 7(GCC)
N 100 72 9 34 1 13 5
% iAslll+V 17.7 16.9 25 16.6 19.9 21 14.3
% MAslll+V 11.3a 10.2a 19 10.2a 9.2 16 9
% DMAslll+V 71a 72.9a 56 73.2a 70.1 63 76.7
MAslll+V/iAslll+V 0.77 0.74 0.77 0.89 0.46 0.76 0.66
DMAslll+V/MAslll+V 8.7 10 4.5 9.8 7.7 6 8.8
% iAsV 9.2a,b 8.8a,b 14.5 8.0a,b 15 12.6 10.3
% iAsIII 8.5 8.1 10.2 8.6 5 8.4 4
% MAsV 3.3 2.5 3.3 3.6 2 2.2 1.6
% MAsIII 8a 7.7a 15.5 6.6a 7 13.5 7.3
% DMAsV 23.4 23.8 30.5 25 12.4 22.4 20.6
% DMAsIII 47.6a 49.1a 26 48.2a 58.6 40.9 56.2

Values are a geometric mean of each arsenic metabolite.

a

Compared with 3(ACT) haplotype.

b

Compared with 6(GCT) haplotype, significant at p<0.05, using ANOVA and the Holm–Sidak test.