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. 2014 Aug 19;9(8):e104639. doi: 10.1371/journal.pone.0104639

Table 3. Significant dose-responses of PCB 180 based on adipose tissue concentration.

Parameter CES 5% CES 10%
Sex Model CED (µg/g lipid) CED-L (µg/g lipid) Ratio CED/CED-L CED (µg/g lipid) CED-L (µg/g lipid) Ratio CED/CED-L Maximum responseb (%)
Open field behavior
Percent time in inner zone, day 24 F E4 1.55 0.525 2.95 3.17 1.07 2.96 111
Percent distance in inner zone, day 24 F E4 4.12 1.16 3.54 8.69 2.423 3.59 53.0
Habituation, time F E2 1130 739 1.53 2320 1518 1.53 −40.1
Habituation, distance F E2 1340 865 1.55 2740 1777 1.54 −35.2
Hematology
Red blood cell count M E4 598 337 1.77 1890 NAa NA −12.4
Red blood cell count F E2 4170 3327 1.25 8560 6834 1.25 −13.0
Hematocrit M E4 601 247 2.43 2090 NA NA −11.7
Hematocrit F E2 5430 4178 1.30 11100 8582 1.29 −10.1
Hemoglobin M E4 872 227 3.84 NA NA NA −8.59
Hemoglobin F E2 4840 3889 1.24 9930 7989 1.24 −11.3
Platelet count M E4 156 36.4 4.29 539 NA NA 12.0
Red cell distribution width - SD F E3 8370 5756 1.45 10700 9281 1.15 11.1
Clinical chemistry
Chlolesterol M E4 177 91.4 1.94 365 189 1.93 81.7
Chlolesterol F E4 640 387 1.65 1330 813 1.64 53.8
Triglycerides M E4 12.5 7.26 1.72 26.2 15.2 1.73 −62.5
Total protein M E4 1080 575 1.88 2970 1629 1.82 14.2
Glucose M E2 866 632 1.37 1780 1297 1.37 −35.4
Glucose F E2 4450 2648 1.68 9140 5440 1.68 −12.2
Alkaline phosphatase M E2 2300 1393 1.65 4730 2861 1.65 −15.4
Alkaline phosphatase F E4 308 136 2.27 701 309 2.27 −25.7
Albumin M E2 6750 4696 1.44 13200 9174 1.44 5.49
Potassium F E2 7900 5086 1.55 16200 10450 1.55 −7.07
Total Bilirubin F E4 19.4 3.77 5.14 48.2 8.98 5.37 −18.2
Thyroid
Thyroid gland weight M E2 1030 720 1.43 2010 1407 1.43 41.9
Thyroid gland weight F E2 3010 1698 1.77 6190 3488 1.77 −17.6
Relative thyroid gland weight M E2 958 710 1.35 1870 1388 1.35 45.7
Relative thyroid gland weight F E2 3220 1759 1.83 6610 3614 1.83 −16.5
Serum free T4 (S-fT4) M E4 158 117 1.35 328 243 1.35 −67.2
Serum free T4 (S-fT4) F E2 821 683 1.20 1690 1402 1.21 −50.7
Serum free T3 (S-fT3) M E4 428 196 2.18 976 449 2.18 −25.0
Serum free T3 (S-fT3) F E2 2280 1496 1.52 4680 3072 1.52 −22.5
Serum TSHc M E4 0.29 0.04 6.50 0.58 0.09 6.50 5450
Serum TSHc F E2 206 126 1.63 402 246 1.63 1355
Large thyroid follicles (%) F E4 105 52.7 1.99 218 110 1.99 −70.9
Gonadotropins
Serum LH M E2 1160 648 1.79 2390 1331 1.80 −27.8
Serum FSH M E2 1600 1116 1.43 3290 2292 1.44 −21.1
Retinoids
Liver retinol concentration M E4 31.2 18.8 1.66 66.6 40.0 1.66 −44.6
Liver retinol concentration F E2 1000 762 1.31 2060 1565 1.32 −43.9
Liver retinyl esters concentration M E4 108 60.1 1.80 225 126 1.79 −63.4
Liver retinyl esters concentration F E2 793 670 1.18 1630 1375 1.19 −51.9
Liver all-trans RA concentration M E2 1920 1143 1.68 3750 2233 1.68 20.7
Liver 9c-4o-13,14-dh-RA concentration F E4 55.5 39.6 1.40 115 82.1 1.40 −78.2
Liver retinol amount M E2 1860 1111 1.67 3820 2282 1.67 −18.5
Liver retinol amount F E2 2840 1476 1.92 5820 3032 1.92 −18.5
Liver retinyl esters amount M E2 620 525 1.18 1270 1078 1.18 −45.7
Liver retinyl esters amount F E2 1620 1206 1.34 3300 2477 1.33 −30.1
Liver all-trans RA amount M E2 95.1 36.8 2.58 196 76 2.58 92.7
Liver 9c-4o-13,14-dh-RA amount F E4 59.6 37.4 1.59 124 77.9 1.59 −70.3
Kidney retinol concentration M E2 863 640 1.35 1690 1250 1.35 51.9
Kidney retinol concentration F E2 2060 1346 1.53 4030 2630 1.53 30.7
Kidney retinyl esters concentration M E4 42.2 13.6 3.10 85.2 27.5 3.10 256
Kidney all-trans RA concentration F E2 2930 2052 1.43 5720 4009 1.43 20.7
Kidney retinol amount M E2 897 638 1.41 1750 1244 1.41 49.0
Kidney retinol amount F E2 2240 1398 1.60 4370 2731 1.60 28.0
Kidney retinyl esters amount M E4 38.8 12.5 3.11 78.3 25.2 3.11 253
Kidney all-trans RA amount F E2 3290 2092 1.57 6430 4088 1.57 18.2
Serum retinol concentration F E2 2470 1521 1.62 4820 2970 1.62 25.0
Bone densitometry
Cortical area of diaphysis M E2 5930 3506 1.69 12200 7202 1.69 −6.19
Trabecular area of metaphysis F E2 6230 3714 1.68 12200 7255 1.68 9.25
Bone biomechanics
F yield F E2 2860 1647 1.74 5880 3384 1.74 −18.3
Organ weights
Liver weight M E4 42.3 19.8 2.13 88.4 41.3 2.14 65.0
Liver weight F E4 512 263 1.95 1090 565 1.93 43.1
Relative liver weight M E4 61.0 34.8 1.75 127 72.4 1.75 66.0
Relative liver weight F E4 552 359 1.54 1170 766 1.53 44.8
Relative thymus weight M E2 2230 1270 1.76 4350 2480 1.75 17.6
Ovaries weight F E4 201 31.7 6.34 510 79.6 6.41 17.0
Relative ovaries weight F E5 661 67.5 9.79 826 164 5.04 16.0
DNA damage markers CES 100%
Liver p53 F E4 65.2 30.0 2.18 2240 1053 2.13 141
Liver p53 Ser15 F E5 361 124 2.91 438 411 1.07 181
Liver pChk2 Thr68 F E5 337 98.2 3.43 382 165 2.31 185
Liver enzymesd
EROD activity M E4 1.41 0.850 1.66 2.82 1.71 1.65
EROD activity F E5 33.6 15.8 2.13 57.0 29.6 1.93
PROD activity M E5 3.87 2.74 1.41 5.49 4.04 1.36
PROD activity F E5 26.4 13.5 1.96 36.5 20.2 1.81
CYP2B1 mRNA M E5 1.52 0.584 2.60 2.15 0.895 2.40
CYP2B1 mRNA F E5 12.4 5.74 2.16 15.5 7.76 2.00
CYP3A1 mRNA M E4 5.88 3.63 1.62 11.8 7.26 1.63
CYP3A1 mRNA F E4 6.75 3.19 2.12 13.5 6.39 2.11
UGT1A1 mRNA M E2 175 134 1.30 342 262 1.31
UGT1A1 mRNA F E2 423 305 1.30 826 596 1.39
UGT1A6 mRNA M E4 15.6 8.99 1.74 31.3 18.0 1.74
UGT1A6 mRNA F E4 73.8 37.8 1.95 149 76.42 1.95
a

Not available.

b

Calculated as the percent difference between controls and high dose according to the fitted model.

c

Half min value added to zeros.

d

Enzyme induction data from Roos et al., 2011.