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char = .;code = 46
result sql = Immunologic biomarkers in relation to exposure markers of PCBs and dioxins in Flemish adolescents (Belgium).
Immunologic biomarkers in relation to exposure markers of PCBs and dioxins in Flemish adolescents (Belgium).
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char = e;code = 101
char = ;code = 32
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = c;code = 99
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = a;code = 97
char = g;code = 103
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = e;code = 101
char = o;code = 111
char = s;code = 115
char = i;code = 105
char = n;code = 110
char = o;code = 111
char = p;code = 112
char = h;code = 104
char = i;code = 105
char = l;code = 108
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = n;code = 110
char = a;code = 97
char = t;code = 116
char = u;code = 117
char = r;code = 114
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = k;code = 107
char = i;code = 105
char = l;code = 108
char = l;code = 108
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = c;code = 99
char = e;code = 101
char = l;code = 108
char = l;code = 108
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = b;code = 98
char = l;code = 108
char = o;code = 111
char = o;code = 111
char = d;code = 100
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = n;code = 110
char = e;code = 101
char = g;code = 103
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = r;code = 114
char = r;code = 114
char = e;code = 101
char = l;code = 108
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = C;code = 67
char = A;code = 65
char = L;code = 76
char = U;code = 85
char = X;code = 88
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = x;code = 120
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = e;code = 101
char = q;code = 113
char = u;code = 117
char = i;code = 105
char = v;code = 118
char = a;code = 97
char = l;code = 108
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = T;code = 84
char = E;code = 69
char = Q;code = 81
char = s;code = 115
char = );code = 41
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = s;code = 115
char = e;code = 101
char = r;code = 114
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = (;code = 40
char = p;code = 112
char = ;code = 32
char = =;code = 61
char = ;code = 32
char = 0;code = 48
char = .;code = 46
char = 0;code = 48
char = 0;code = 48
char = 9;code = 57
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = p;code = 112
char = ;code = 32
char = =;code = 61
char = ;code = 32
char = 0;code = 48
char = .;code = 46
char = 0;code = 48
char = 5;code = 53
char = ,;code = 44
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = l;code = 108
char = y;code = 121
char = );code = 41
char = .;code = 46
char = ;code = 32
char = I;code = 73
char = n;code = 110
char = c;code = 99
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = e;code = 101
char = r;code = 114
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = C;code = 67
char = A;code = 65
char = L;code = 76
char = U;code = 85
char = X;code = 88
char = ;code = 32
char = T;code = 84
char = E;code = 69
char = Q;code = 81
char = s;code = 115
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = u;code = 117
char = l;code = 108
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = c;code = 99
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = s;code = 115
char = e;code = 101
char = r;code = 114
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = I;code = 73
char = g;code = 103
char = A;code = 65
char = ;code = 32
char = l;code = 108
char = e;code = 101
char = v;code = 118
char = e;code = 101
char = l;code = 108
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = p;code = 112
char = ;code = 32
char = =;code = 61
char = ;code = 32
char = 0;code = 48
char = .;code = 46
char = 0;code = 48
char = 5;code = 53
char = );code = 41
char = .;code = 46
char = ;code = 32
char = F;code = 70
char = u;code = 117
char = r;code = 114
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = m;code = 109
char = o;code = 111
char = r;code = 114
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = l;code = 108
char = e;code = 101
char = v;code = 118
char = e;code = 101
char = l;code = 108
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = f;code = 102
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = I;code = 73
char = g;code = 103
char = E;code = 69
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = m;code = 109
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = u;code = 117
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = r;code = 114
char = a;code = 97
char = d;code = 100
char = i;code = 105
char = o;code = 111
char = a;code = 97
char = l;code = 108
char = l;code = 108
char = e;code = 101
char = r;code = 114
char = g;code = 103
char = o;code = 111
char = s;code = 115
char = o;code = 111
char = r;code = 114
char = b;code = 98
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = e;code = 101
char = s;code = 115
char = t;code = 116
char = s;code = 115
char = );code = 41
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = d;code = 100
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = e;code = 101
char = r;code = 114
char = ,;code = 44
char = ;code = 32
char = h;code = 104
char = o;code = 111
char = u;code = 117
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = u;code = 117
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = m;code = 109
char = i;code = 105
char = t;code = 116
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = g;code = 103
char = r;code = 114
char = a;code = 97
char = s;code = 115
char = s;code = 115
char = ;code = 32
char = p;code = 112
char = o;code = 111
char = l;code = 108
char = l;code = 108
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = s;code = 115
char = o;code = 111
char = ;code = 32
char = s;code = 115
char = i;code = 105
char = g;code = 103
char = n;code = 110
char = i;code = 105
char = f;code = 102
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = n;code = 110
char = e;code = 101
char = g;code = 103
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = s;code = 115
char = o;code = 111
char = c;code = 99
char = i;code = 105
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = C;code = 67
char = A;code = 65
char = L;code = 76
char = U;code = 85
char = X;code = 88
char = ;code = 32
char = T;code = 84
char = E;code = 69
char = Q;code = 81
char = ,;code = 44
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = o;code = 111
char = d;code = 100
char = d;code = 100
char = s;code = 115
char = ;code = 32
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = O;code = 79
char = R;code = 82
char = s;code = 115
char = );code = 41
char = ;code = 32
char = e;code = 101
char = q;code = 113
char = u;code = 117
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = 0;code = 48
char = .;code = 46
char = 6;code = 54
char = 3;code = 51
char = ;code = 32
char = [;code = 91
char = 9;code = 57
char = 5;code = 53
char = %;code = 37
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = f;code = 102
char = i;code = 105
char = d;code = 100
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = v;code = 118
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = (;code = 40
char = C;code = 67
char = I;code = 73
char = );code = 41
char = ,;code = 44
char = ;code = 32
char = 0;code = 48
char = .;code = 46
char = 4;code = 52
char = 2;code = 50
char = -;code = 45
char = 0;code = 48
char = .;code = 46
char = 9;code = 57
char = 6;code = 54
char = ];code = 93
char = ,;code = 44
char = ;code = 32
char = 0;code = 48
char = .;code = 46
char = 6;code = 54
char = 8;code = 56
char = ;code = 32
char = (;code = 40
char = 0;code = 48
char = .;code = 46
char = 5;code = 53
char = -;code = 45
char = 0;code = 48
char = .;code = 46
char = 9;code = 57
char = 3;code = 51
char = );code = 41
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = 0;code = 48
char = .;code = 46
char = 7;code = 55
char = 0;code = 48
char = ;code = 32
char = (;code = 40
char = 0;code = 48
char = .;code = 46
char = 5;code = 53
char = 2;code = 50
char = -;code = 45
char = 0;code = 48
char = .;code = 46
char = 9;code = 57
char = 5;code = 53
char = );code = 41
char = ,;code = 44
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = l;code = 108
char = y;code = 121
char = .;code = 46
char = ;code = 32
char = I;code = 73
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = d;code = 100
char = d;code = 100
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ,;code = 44
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = p;code = 112
char = o;code = 111
char = r;code = 114
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = l;code = 108
char = e;code = 101
char = r;code = 114
char = g;code = 103
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = u;code = 117
char = p;code = 112
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = a;code = 97
char = i;code = 105
char = r;code = 114
char = w;code = 119
char = a;code = 97
char = y;code = 121
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = p;code = 112
char = a;code = 97
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = i;code = 105
char = a;code = 97
char = l;code = 108
char = l;code = 108
char = e;code = 101
char = r;code = 114
char = g;code = 103
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = d;code = 100
char = r;code = 114
char = u;code = 117
char = g;code = 103
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = n;code = 110
char = e;code = 101
char = g;code = 103
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = s;code = 115
char = o;code = 111
char = c;code = 99
char = i;code = 105
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = C;code = 67
char = A;code = 65
char = L;code = 76
char = U;code = 85
char = X;code = 88
char = ;code = 32
char = T;code = 84
char = E;code = 69
char = Q;code = 81
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = O;code = 79
char = R;code = 82
char = s;code = 115
char = ;code = 32
char = e;code = 101
char = q;code = 113
char = u;code = 117
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = 0;code = 48
char = .;code = 46
char = 6;code = 54
char = 6;code = 54
char = ;code = 32
char = (;code = 40
char = 0;code = 48
char = .;code = 46
char = 4;code = 52
char = 7;code = 55
char = -;code = 45
char = 0;code = 48
char = .;code = 46
char = 9;code = 57
char = 3;code = 51
char = );code = 41
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = 0;code = 48
char = .;code = 46
char = 5;code = 53
char = 8;code = 56
char = ;code = 32
char = (;code = 40
char = 0;code = 48
char = .;code = 46
char = 3;code = 51
char = 9;code = 57
char = -;code = 45
char = 0;code = 48
char = .;code = 46
char = 8;code = 56
char = 5;code = 53
char = );code = 41
char = ,;code = 44
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = l;code = 108
char = y;code = 121
char = .;code = 46
char = ;code = 32
char = W;code = 87
char = e;code = 101
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = u;code = 117
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = ;code = 32
char = n;code = 110
char = e;code = 101
char = g;code = 103
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = s;code = 115
char = o;code = 111
char = c;code = 99
char = i;code = 105
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = t;code = 116
char = w;code = 119
char = e;code = 101
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = I;code = 73
char = g;code = 103
char = G;code = 71
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = r;code = 114
char = k;code = 107
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = P;code = 80
char = C;code = 67
char = B;code = 66
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = s;code = 115
char = e;code = 101
char = r;code = 114
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = (;code = 40
char = p;code = 112
char = ;code = 32
char = =;code = 61
char = ;code = 32
char = 0;code = 48
char = .;code = 46
char = 0;code = 48
char = 0;code = 48
char = 9;code = 57
char = );code = 41
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = u;code = 117
char = d;code = 100
char = y;code = 121
char = ;code = 32
char = s;code = 115
char = h;code = 104
char = o;code = 111
char = w;code = 119
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = i;code = 105
char = m;code = 109
char = m;code = 109
char = u;code = 117
char = n;code = 110
char = o;code = 111
char = l;code = 108
char = o;code = 111
char = g;code = 103
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = u;code = 117
char = r;code = 114
char = e;code = 101
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
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char = l;code = 108
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char = r;code = 114
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char = g;code = 103
char = g;code = 103
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char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = p;code = 112
char = o;code = 111
char = s;code = 115
char = u;code = 117
char = r;code = 114
char = e;code = 101
char = ;code = 32
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char = i;code = 105
char = n;code = 110
char = ;code = 32
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result sql = In this study, we investigated 17- to 18-year-old boys and girls to determine whether changes in humoral or cellular immunity or respiratory complaints were related to blood serum levels of polychlorinated biphenyls (PCBs) and dioxin-like compounds after lifetime exposure in Flanders (Belgium). We obtained blood samples from and administered questionnaires to 200 adolescents recruited from a rural area and two urban suburbs. Physicians recorded medical history and respiratory diseases. We measured immunologic biomarkers such as differential blood cell counts, lymphocyte phenotypes, and serum immunoglobulins. As biomarkers of exposure, we determined the serum concentrations of PCBs (PCB 138, PCB 153, and PCB 180) and dioxin-like compounds [chemical-activated luciferase expression (CALUX) bioassay]. The percentages of eosinophils and natural killer cells in blood were negatively correlated with CALUX toxic equivalents (TEQs) in serum (p = 0.009 and p = 0.05, respectively). Increased serum CALUX TEQs resulted in an increase in serum IgA levels (p = 0.05). Furthermore, levels of specific IgEs (measured by radioallergosorbent tests) of cat dander, house dust mite, and grass pollen were also significantly and negatively associated with the CALUX TEQ, with odds ratios (ORs) equal to 0.63 [95% confidence interval (CI), 0.42-0.96], 0.68 (0.5-0.93), and 0.70 (0.52-0.95), respectively. In addition, reported allergies of the upper airways and past use of antiallergic drugs were negatively associated with CALUX TEQs, with ORs equal to 0.66 (0.47-0.93) and 0.58 (0.39-0.85), respectively. We found a negative association between IgGs and marker PCBs in serum (p = 0.009). This study shows that immunologic measurements and respiratory complaints in adolescents were associated with environmental exposure to polyhalogenated aromatic hydrocarbons (PHAHs). The negative correlation between PHAHs and allergic responses in adolescents suggested that exposure may entail alterations in the immune status.

Publication: Environ. Health Perspect. 2002 Jun ;110(6)::595-600.
Publication Date: 2002 Jun
Study Author(s): Van Den Heuvel, Rosette L;Koppen, Gudrun;Staessen, Jan A;Hond, Elly Den;Verheyen, Geert;Nawrot, Tim S;Roels, Harry A;Vlietinck, Robert;Schoeters, Greet E R;
Institution: Department of Toxicology, Vito (Flemish Institute of Technological Research), Mol, Belgium. [email protected]
Shortcut link to this study:
In this study, we investigated 17- to 18-year-old boys and girls to determine whether changes in humoral or cellular immunity or respiratory complaints were related to blood serum levels of polychlorinated biphenyls (PCBs) and dioxin-like compounds after lifetime exposure in Flanders (Belgium). We obtained blood samples from and administered questionnaires to 200 adolescents recruited from a rural area and two urban suburbs. Physicians recorded medical history and respiratory diseases. We measured immunologic biomarkers such as differential blood cell counts, lymphocyte phenotypes, and serum immunoglobulins. As biomarkers of exposure, we determined the serum concentrations of PCBs (PCB 138, PCB 153, and PCB 180) and dioxin-like compounds [chemical-activated luciferase expression (CALUX) bioassay]. The percentages of eosinophils and natural killer cells in blood were negatively correlated with CALUX toxic equivalents (TEQs) in serum (p = 0.009 and p = 0.05, respectively). Increased serum CALUX TEQs resulted in an increase in serum IgA levels (p = 0.05). Furthermore, levels of specific IgEs (measured by radioallergosorbent tests) of cat dander, house dust mite, and grass pollen were also significantly and negatively associated with the CALUX TEQ, with odds ratios (ORs) equal to 0.63 [95% confidence interval (CI), 0.42-0.96], 0.68 (0.5-0.93), and 0.70 (0.52-0.95), respectively. In addition, reported allergies of the upper airways and past use of antiallergic drugs were negatively associated with CALUX TEQs, with ORs equal to 0.66 (0.47-0.93) and 0.58 (0.39-0.85), respectively. We found a negative association between IgGs and marker PCBs in serum (p = 0.009). This study shows that immunologic measurements and respiratory complaints in adolescents were associated with environmental exposure to polyhalogenated aromatic hydrocarbons (PHAHs). The negative correlation between PHAHs and allergic responses in adolescents suggested that exposure may entail alterations in the immune status.
PMID: 12055051

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