Clinical Study

Polymorphisms of GLP-1 Receptor Gene and Response to GLP-1 Analogue in Patients with Poorly Controlled Type 2 Diabetes

Table 4

Quantitative trait loci analysis of GLP1R gene variations with 75 g OGTT response to the GLP-1 analogue by multiple linear regression analyses using additive genetic models with or without adjustment of co-valuables, including age, sex, BMI, DM duration, and glycemic states at baseline.

Gene variants (genotypes)75 g OGTT variablesWithout adjustmentWith adjustment
Coefficient (95% CI)Coefficient (95% CI)

rs3765467
(CC, CT, TT)
Glucose_0 minutes−2.969 (−21.346, 15.409)0.7433.705 (−17.762, 25.172)0.724
30 minutes−1.500 (−40.962, 37.962)0.9383.210 (−47.712, 54.132)0.897
60 minutes2.250 (−53.419, 57.919)0.9355.139 (−66.086, 76.364)0.883
90 minutes−15.344 (−69.476, 38.788)0.566−19.554 (−89.583, 50.475)0.569
120 minutes−31.094 (−80.241, 18.053)0.206−38.048 (−100.420, 24.324)0.220
C-peptide_0 minutes−0.151 (−1.102, 0.800)0.747−0.029 (−1.064, 1.007)0.955
30 minutes−0.085 (−1.149, 0.978)0.871−0.021 (−1.185, 1.142)0.970
60 minutes−0.521 (−1.821, 0.779)0.419−0.336 (−1.774, 1.101)0.633
90 minutes−0.457 (−2.379, 1.466)0.630−0.584 (−2.807, 1.638)0.592
120 minutes−1.257 (−3.677, 1.164)0.297−1.392 (−4.231, 1.447)0.321
Insulin_0 minutes−17.459 (−81.946, 47.027)0.584−1.133 (−83.148, 80.882)0.977
30 minutes−18.566 (−82.716, 45.585)0.558−2.694 (−84.957, 79.569)0.947
60 minutes−22.191 (−87.217, 42.835)0.490−3.985 (−87.257, 79.287)0.922
90 minutes−26.144 (−105.761, 53.474)0.507−6.281 (−108.580, 96.019)0.900
120 minutes−34.109 (−121.846, 53.627)0.433−12.734 (−125.719, 100.251)0.818

rs761386
(CC, CT, TT)
Glucose_0 minutes−1.435 (−19.160, 16.290)0.8691.141 (−18.552, 20.834)0.906
30 minutes12.957 (−24.721, 50.634)0.70410.326 (−36.077, 56.729)0.650
60 minutes20.174 (−32.875, 73.222)0.44310.244 (−54.816, 75.304)0.748
90 minutes20.826 (−30.997, 72.650)0.41718.288 (−45.775, 82.352)0.561
120 minutes23.826 (−24.025, 71.677)0.31636.804 (−20.040, 93.649)0.194
C-peptide_0 minutes−0.083 (−1.000, 0.834)0.8540.044 (−0.904, 0.991)0.925
30 minutes0.129 (−0.894, 1.152)0.798−0.073 (−1.137, 0.991)0.889
60 minutes0.519 (−0.732, 1.770)0.4030.159 (−1.162, 1.480)0.806
90 minutes0.542 (−1.305, 2.390)0.553−0.022 (−2.069, 2.024)0.982
120 minutes0.953 (−1.396, 3.302)0.4130.375 (−2.276, 3.026)0.773
Insulin_0 minutes−27.735 (−89.251, 33.781)0.364−25.685 (−99.916, 48.546)0.481
30 minutes−21.800 (−83.393, 39.793)0.474−22.497 (−97.156, 52.161)0.539
60 minutes−17.687 (−80.485, 45.111)0.569−18.393 (−94.197, 57.411)0.620
90 minutes−20.765 (−97.642, 56.111)0.584−21.338 (−114.531, 71.856)0.640
120 minutes−21.678 (−106.715, 63.358)0.606−24.492 (−127.466, 78.483)0.627

OGTT: oral glucose tolerance test.
DM: diabetes mellitus.
BMI: body mass index.