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result sql = Impact of central and peripheral TRPV1 and ROS levels on proinflammatory mediators and nociceptive behavior.
Impact of central and peripheral TRPV1 and ROS levels on proinflammatory mediators and nociceptive behavior.
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char = i;code = 105
char = n;code = 110
char = ;code = 32
char = c;code = 99
char = u;code = 117
char = l;code = 108
char = t;code = 116
char = u;code = 117
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = d;code = 100
char = i;code = 105
char = a;code = 97
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = H;code = 72
char = P;code = 80
char = L;code = 76
char = C;code = 67
char = .;code = 46
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = >;code = 62
char = R;code = 82
char = E;code = 69
char = S;code = 83
char = U;code = 85
char = L;code = 76
char = T;code = 84
char = S;code = 83
char = ;code = 32
char = :;code = 58
char = ;code = 32
char = <;code = 60
char = /;code = 47
char = b;code = 98
char = >;code = 62
char = F;code = 70
char = u;code = 117
char = n;code = 110
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = p;code = 112
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = a;code = 97
char = r;code = 114
char = t;code = 116
char = h;code = 104
char = r;code = 114
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = d;code = 100
char = e;code = 101
char = l;code = 108
char = ,;code = 44
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = c;code = 99
char = l;code = 108
char = u;code = 117
char = d;code = 100
char = i;code = 105
char = n;code = 110
char = g;code = 103
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 = d;code = 100
char = ;code = 32
char = n;code = 110
char = o;code = 111
char = c;code = 99
char = i;code = 105
char = c;code = 99
char = e;code = 101
char = p;code = 112
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = p;code = 112
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = m;code = 109
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = c;code = 99
char = h;code = 104
char = a;code = 97
char = n;code = 110
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = h;code = 104
char = y;code = 121
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = l;code = 108
char = g;code = 103
char = e;code = 101
char = s;code = 115
char = i;code = 105
char = a;code = 97
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = l;code = 108
char = o;code = 111
char = d;code = 100
char = y;code = 121
char = n;code = 110
char = i;code = 105
char = a;code = 97
char = );code = 41
char = ,;code = 44
char = ;code = 32
char = k;code = 107
char = n;code = 110
char = e;code = 101
char = e;code = 101
char = ;code = 32
char = j;code = 106
char = o;code = 111
char = i;code = 105
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = e;code = 101
char = m;code = 109
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = u;code = 117
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = f;code = 102
char = l;code = 108
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = l;code = 108
char = o;code = 111
char = c;code = 99
char = a;code = 97
char = l;code = 108
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 = f;code = 102
char = l;code = 108
char = o;code = 111
char = w;code = 119
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = i;code = 105
char = n;code = 110
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = r;code = 114
char = d;code = 100
char = ;code = 32
char = R;code = 82
char = O;code = 79
char = S;code = 83
char = ;code = 32
char = e;code = 101
char = l;code = 108
char = e;code = 101
char = v;code = 118
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
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 = r;code = 114
char = e;code = 101
char = d;code = 100
char = u;code = 117
char = c;code = 99
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = R;code = 82
char = O;code = 79
char = S;code = 83
char = ;code = 32
char = s;code = 115
char = c;code = 99
char = a;code = 97
char = v;code = 118
char = e;code = 101
char = n;code = 110
char = g;code = 103
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = P;code = 80
char = B;code = 66
char = N;code = 78
char = ;code = 32
char = a;code = 97
char = f;code = 102
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = t;code = 116
char = o;code = 111
char = n;code = 110
char = e;code = 101
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = e;code = 101
char = t;code = 116
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = t;code = 116
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
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 = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = T;code = 84
char = R;code = 82
char = P;code = 80
char = V;code = 86
char = 1;code = 49
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = R;code = 82
char = O;code = 79
char = S;code = 83
char = ,;code = 44
char = ;code = 32
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = s;code = 115
char = y;code = 121
char = n;code = 110
char = o;code = 111
char = v;code = 118
char = i;code = 105
char = o;code = 111
char = c;code = 99
char = y;code = 121
char = t;code = 116
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = v;code = 118
char = i;code = 105
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = ,;code = 44
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = b;code = 98
char = l;code = 108
char = o;code = 111
char = c;code = 99
char = k;code = 107
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = T;code = 84
char = R;code = 82
char = P;code = 80
char = V;code = 86
char = 1;code = 49
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = a;code = 97
char = g;code = 103
char = o;code = 111
char = n;code = 110
char = i;code = 105
char = s;code = 115
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
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = R;code = 82
char = O;code = 79
char = S;code = 83
char = ;code = 32
char = s;code = 115
char = c;code = 99
char = a;code = 97
char = v;code = 118
char = e;code = 101
char = n;code = 110
char = g;code = 103
char = e;code = 101
char = r;code = 114
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 = ;code = 32
char = e;code = 101
char = v;code = 118
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 = s;code = 115
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = e;code = 101
char = n;code = 110
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 = s;code = 115
char = y;code = 121
char = n;code = 110
char = o;code = 111
char = v;code = 118
char = i;code = 105
char = o;code = 111
char = c;code = 99
char = y;code = 121
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = p;code = 112
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = R;code = 82
char = O;code = 79
char = S;code = 83
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = T;code = 84
char = R;code = 82
char = P;code = 80
char = V;code = 86
char = 1;code = 49
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = c;code = 99
char = l;code = 108
char = u;code = 117
char = d;code = 100
char = e;code = 101
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 = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = T;code = 84
char = N;code = 78
char = F;code = 70
char = a;code = 97
char = l;code = 108
char = p;code = 112
char = h;code = 104
char = a;code = 97
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = C;code = 67
char = O;code = 79
char = X;code = 88
char = -;code = 45
char = 2;code = 50
char = ,;code = 44
char = ;code = 32
char = b;code = 98
char = o;code = 111
char = t;code = 116
char = h;code = 104
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 = d;code = 100
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = d;code = 100
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = t;code = 116
char = o;code = 111
char = r;code = 114
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 = i;code = 105
char = n;code = 110
char = f;code = 102
char = l;code = 108
char = a;code = 97
char = m;code = 109
char = m;code = 109
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
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char = i;code = 105
char = n;code = 110
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char = v;code = 118
char = i;code = 105
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = .;code = 46
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = >;code = 62
char = C;code = 67
char = O;code = 79
char = N;code = 78
char = C;code = 67
char = L;code = 76
char = U;code = 85
char = S;code = 83
char = I;code = 73
char = O;code = 79
char = N;code = 78
char = S;code = 83
char = ;code = 32
char = :;code = 58
char = ;code = 32
char = <;code = 60
char = /;code = 47
char = b;code = 98
char = >;code = 62
char = T;code = 84
char = h;code = 104
char = e;code = 101
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 = s;code = 115
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char = d;code = 100
char = e;code = 101
char = m;code = 109
char = o;code = 111
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char = s;code = 115
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = e;code = 101
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char = t;code = 116
char = h;code = 104
char = a;code = 97
char = t;code = 116
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char = c;code = 99
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = i;code = 105
char = b;code = 98
char = u;code = 117
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = R;code = 82
char = O;code = 79
char = S;code = 83
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = n;code = 110
char = o;code = 111
char = c;code = 99
char = i;code = 105
char = c;code = 99
char = e;code = 101
char = p;code = 112
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = p;code = 112
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = a;code = 97
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char = d;code = 100
char = ;code = 32
char = n;code = 110
char = e;code = 101
char = u;code = 117
char = r;code = 114
char = o;code = 111
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = f;code = 102
char = l;code = 108
char = a;code = 97
char = m;code = 109
char = m;code = 109
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = d;code = 100
char = i;code = 105
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = o;code = 111
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = c;code = 99
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = l;code = 108
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 = p;code = 112
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = p;code = 112
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = l;code = 108
char = l;code = 108
char = y;code = 121
char = .;code = 46
char = ;code = 32
char = R;code = 82
char = e;code = 101
char = s;code = 115
char = p;code = 112
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = d;code = 100
char = i;code = 105
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = T;code = 84
char = R;code = 82
char = P;code = 80
char = V;code = 86
char = 1;code = 49
char = ;code = 32
char = l;code = 108
char = o;code = 111
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = k;code = 107
char = n;code = 110
char = e;code = 101
char = e;code = 101
char = ;code = 32
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char = ;code = 32
char = a;code = 97
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char = d;code = 100
char = ;code = 32
char = n;code = 110
char = o;code = 111
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char = c;code = 99
char = e;code = 101
char = p;code = 112
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = p;code = 112
char = o;code = 111
char = n;code = 110
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char = c;code = 99
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char = e;code = 101
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result sql = BACKGROUND : Transient receptor potential vanilloid 1 (TRPV1) channels are important membrane sensors on peripheral nerve endings and on supportive non-neuronal synoviocytes in the knee joint. TRPV 1 ion channels respond with activation of calcium and sodium fluxes to pH, thermal, chemical, osmotic, mechanical and other stimuli abundant in inflamed joints. In the present study, the kaolin/carrageenan (k/c) induced knee joint arthritis model in rats, as well as primary and clonal human synoviocyte cultures were used to understand the reciprocal interactions between reactive nitroxidative species (ROS) and functional TRPV1 channels. ROS generation was monitored with ROS sensitive dyes using live cell imaging in vitro and in spinal tissue histology, as well as with measurement of ROS metabolites in culture media using HPLC.

RESULTS : Functional responses in the experimental arthritis model, including increased nociceptive responses (thermal and mechanical hyperalgesia and allodynia), knee joint temperature reflecting local blood flow, and spinal cord ROS elevations were reduced by the ROS scavenger PBN after intraperitoneal pretreatment. Increases in TRPV1 and ROS, generated by synoviocytes in vitro, were reciprocally blocked by TRPV1 antagonists and the ROS scavenger. Further evidence is presented that synoviocyte responses to ROS and TRPV1 activation include increases in TNFalpha and COX-2, both measured as an indicator of the inflammation in vitro.

CONCLUSIONS : The results demonstrate that contributions of ROS to pronociceptive responses and neurogenic inflammation are mediated both centrally and peripherally. Responses are mediated by TRPV1 locally in the knee joint by synoviocytes, as well as by ROS-induced sensitization in the spinal cord. These findings and those of others reported in the literature indicate reciprocal interactions between TRPV1 and ROS play critical roles in the pathological and nociceptive responses active during arthritic inflammation.

Publication: Mol Pain 2010 ;6:46. :doi: 10.1186/1744-8069-6-46.
Publication Date: 2010
Study Author(s): Westlund, Karin N;Kochukov, Mikhail Y;Lu, Ying;McNearney, Terry A;
Institution: Department of Physiology, University of Kentucky, Lexington, KY 40536-0298, USA. [email protected]
Shortcut link to this study:
BACKGROUND : Transient receptor potential vanilloid 1 (TRPV1) channels are important membrane sensors on peripheral nerve endings and on supportive non-neuronal synoviocytes in the knee joint. TRPV 1 ion channels respond with activation of calcium and sodium fluxes to pH, thermal, chemical, osmotic, mechanical and other stimuli abundant in inflamed joints. In the present study, the kaolin/carrageenan (k/c) induced knee joint arthritis model in rats, as well as primary and clonal human synoviocyte cultures were used to understand the reciprocal interactions between reactive nitroxidative species (ROS) and functional TRPV1 channels. ROS generation was monitored with ROS sensitive dyes using live cell imaging in vitro and in spinal tissue histology, as well as with measurement of ROS metabolites in culture media using HPLC.

RESULTS : Functional responses in the experimental arthritis model, including increased nociceptive responses (thermal and mechanical hyperalgesia and allodynia), knee joint temperature reflecting local blood flow, and spinal cord ROS elevations were reduced by the ROS scavenger PBN after intraperitoneal pretreatment. Increases in TRPV1 and ROS, generated by synoviocytes in vitro, were reciprocally blocked by TRPV1 antagonists and the ROS scavenger. Further evidence is presented that synoviocyte responses to ROS and TRPV1 activation include increases in TNFalpha and COX-2, both measured as an indicator of the inflammation in vitro.

CONCLUSIONS : The results demonstrate that contributions of ROS to pronociceptive responses and neurogenic inflammation are mediated both centrally and peripherally. Responses are mediated by TRPV1 locally in the knee joint by synoviocytes, as well as by ROS-induced sensitization in the spinal cord. These findings and those of others reported in the literature indicate reciprocal interactions between TRPV1 and ROS play critical roles in the pathological and nociceptive responses active during arthritic inflammation.
PMID: 20691059

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