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. Author manuscript; available in PMC: 2021 Sep 30.
Published in final edited form as: Chem Res Toxicol. 2019 Jul 30;32(8):1689–1698. doi: 10.1021/acs.chemrestox.9b00217

Table 2.

Meana Relative UGT Expression in Human Tissue Specimens.b

NNAL-O-Gluc NNAL-N-Gluc
UGT1A9 UGT1A10 UGT2B7 UGT2B17 UGT1A4 UGT2B10
esophagus mean 1.16 × 10−02 1.87 × 10−02 4.81 × 10−03 2.91 × 10−03 7.64 × 10−03 9.00 × 10−03
SE 6.45 × 10−03 8.75 × 10−03 1.52 × 10−03 1.58 × 10−03 2.75 × 10−03 5.53 × 10−03
% total 30.5% 49.2% 12.7% 7.7% 45.9% 54.1%
# BLQ 0 of 12 0 of 12 3 of 12 2 of 12 0 of 12 0 of 12
floor of mouth mean 9.18 × 10−03 1.16 × 10−02 3.06 × 10−03 1.43 × 10−03 1.10 × 10−02 4.67 × 10−03
SE 3.63 × 10−03 3.35 × 10−03 1.78 × 10−03 7.57 × 10−04 3.41 × 10−03 2.20 × 10−03
% total 36.3% 46.0% 12.1% 5.7% 70.3% 29.7%
# BLQ 0 of 4 0 of 4 2 of 4 1 of 4 0 of 4 0 of 4
larynx mean 2.12 × 10−02 5.26 × 10−02 1.65 × 10−02 1.62 × 10−02 1.51 × 10−02 1.18 × 10−02
SE 1.07 × 10−02 1.74 × 10−02 1.25 × 10−02 1.36 × 10−02 5.72 × 10−03 8.66 × 10−03
% total 19.9% 49.4% 15.5% 15.2% 56.3% 43.7%
# BLQ 0 of 8 0 of 8 2 of 8 2 of 8 0 of 8 0 of 8
tongue mean 1.68 × 10−02 2.18 × 10−02 1.24 × 10−02 5.02 × 10−03 1.86 × 10−02 1.15 × 10−02
SE 1.14 × 10−02 1.48 × 10−02 7.46 × 10−03 3.04 × 10−03 1.35 × 10−02 7.01 × 10−03
% total 30.0% 38.9% 22.1% 9.0% 61.7% 38.3%
# BLQ 0 of 6 1 of 6 1 of 6 0 of 6 1 of 6 1 of 6
tonsil mean 4.35 × 10−03 5.40 × 10−03 3.47 × 10−03 1.68 × 10−03 4.30 × 10−03 3.19 × 10−03
SE 1.12 × 10−03 1.29 × 10−03 9.61 × 10−04 6.90 × 10−04 9.48 × 10−04 7.83 × 10−04
% total 29.2% 36.2% 23.3% 11.3% 57.4% 42.6%
# BLQ 0 of 6 0 of 6 1 of 6 1 of 6 0 of 6 0 of 6
a

Mean relative expression (arbitrary units) was calculated to include UGTs with no expression.

b

The % total for the expression of each UGT was calculated separately for NNAL-O-Gluc and NNAL-N-Gluc enzymes. BLQ, below limit of quantification (mean Ct > 35 cycles).