char = O;code = 79 char = x;code = 120 char = y;code = 121 char = t;code = 116 char = o;code = 111 char = c;code = 99 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = c;code = 99 char = e;code = 101 char = p;code = 112 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = d;code = 100 char = e;code = 101 char = v;code = 118 char = e;code = 101 char = l;code = 108 char = o;code = 111 char = p;code = 112 char = m;code = 109 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = o;code = 111 char = v;code = 118 char = i;code = 105 char = n;code = 110 char = e;code = 101 char = ;code = 32 char = u;code = 117 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = u;code = 117 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = c;code = 99 char = e;code = 101 char = r;code = 114 char = v;code = 118 char = i;code = 105 char = x;code = 120 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = r;code = 114 char = o;code = 111 char = u;code = 117 char = g;code = 103 char = h;code = 104 char = o;code = 111 char = u;code = 117 char = t;code = 116 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = e;code = 101 char = g;code = 103 char = n;code = 110 char = a;code = 97 char = n;code = 110 char = c;code = 99 char = y;code = 121 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = p;code = 112 char = a;code = 97 char = r;code = 114 char = t;code = 116 char = u;code = 117 char = r;code = 114 char = i;code = 105 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = d;code = 100 char = e;code = 101 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = m;code = 109 char = i;code = 105 char = n;code = 110 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = b;code = 98 char = y;code = 121 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = s;code = 115 char = i;code = 105 char = t;code = 116 char = u;code = 117 char = ;code = 32 char = h;code = 104 char = y;code = 121 char = b;code = 98 char = r;code = 114 char = i;code = 105 char = d;code = 100 char = i;code = 105 char = z;code = 122 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 = n;code = 110 char = a;code = 97 char = l;code = 108 char = y;code = 121 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = .;code = 46 result sql = Oxytocin receptor development in ovine uterus and cervix throughout pregnancy and at parturition as determined by in situ hybridization analysis.
Oxytocin receptor development in ovine uterus and cervix throughout pregnancy and at parturition as determined by in situ hybridization analysis.char = T;code = 84 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = d;code = 100 char = e;code = 101 char = v;code = 118 char = e;code = 101 char = l;code = 108 char = o;code = 111 char = p;code = 112 char = m;code = 109 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = u;code = 117 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = i;code = 105 char = n;code = 110 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = x;code = 120 char = y;code = 121 char = t;code = 116 char = o;code = 111 char = c;code = 99 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = c;code = 99 char = e;code = 101 char = p;code = 112 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = s;code = 115 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = ;code = 32 char = i;code = 105 char = m;code = 109 char = p;code = 112 char = o;code = 111 char = r;code = 114 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = g;code = 103 char = u;code = 117 char = l;code = 108 char = a;code = 97 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = y;code = 121 char = ;code = 32 char = s;code = 115 char = t;code = 116 char = e;code = 101 char = p;code = 112 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 = i;code = 105 char = n;code = 110 char = i;code = 105 char = t;code = 116 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 = o;code = 111 char = f;code = 102 char = ;code = 32 char = l;code = 108 char = a;code = 97 char = b;code = 98 char = o;code = 111 char = u;code = 117 char = r;code = 114 char = .;code = 46 char = ;code = 32 char = P;code = 80 char = a;code = 97 char = r;code = 114 char = a;code = 97 char = c;code = 99 char = r;code = 114 char = i;code = 105 char = n;code = 110 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = d;code = 100 char = u;code = 117 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = o;code = 111 char = x;code = 120 char = y;code = 121 char = t;code = 116 char = o;code = 111 char = c;code = 99 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = b;code = 98 char = y;code = 121 char = ;code = 32 char = u;code = 117 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = i;code = 105 char = n;code = 110 char = e;code = 101 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = p;code = 112 char = l;code = 108 char = a;code = 97 char = c;code = 99 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = t;code = 116 char = i;code = 105 char = s;code = 115 char = s;code = 115 char = u;code = 117 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = m;code = 109 char = a;code = 97 char = y;code = 121 char = ;code = 32 char = a;code = 97 char = l;code = 108 char = s;code = 115 char = o;code = 111 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = v;code = 118 char = o;code = 111 char = l;code = 108 char = v;code = 118 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = s;code = 115 char = o;code = 111 char = m;code = 109 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = p;code = 112 char = e;code = 101 char = c;code = 99 char = i;code = 105 char = e;code = 101 char = s;code = 115 char = .;code = 46 char = ;code = 32 char = P;code = 80 char = l;code = 108 char = a;code = 97 char = c;code = 99 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = o;code = 111 char = m;code = 109 char = e;code = 101 char = ,;code = 44 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = c;code = 99 char = o;code = 111 char = t;code = 116 char = y;code = 121 char = l;code = 108 char = e;code = 101 char = d;code = 100 char = o;code = 111 char = n;code = 110 char = a;code = 97 char = r;code = 114 char = y;code = 121 char = ;code = 32 char = e;code = 101 char = n;code = 110 char = d;code = 100 char = o;code = 111 char = m;code = 109 char = e;code = 101 char = t;code = 116 char = r;code = 114 char = i;code = 105 char = u;code = 117 char = m;code = 109 char = ,;code = 44 char = ;code = 32 char = m;code = 109 char = y;code = 121 char = o;code = 111 char = m;code = 109 char = e;code = 101 char = t;code = 116 char = r;code = 114 char = i;code = 105 char = u;code = 117 char = m;code = 109 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = f;code = 102 char = e;code = 101 char = t;code = 116 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = m;code = 109 char = e;code = 101 char = m;code = 109 char = b;code = 98 char = r;code = 114 char = a;code = 97 char = n;code = 110 char = e;code = 101 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 = c;code = 99 char = o;code = 111 char = l;code = 108 char = l;code = 108 char = e;code = 101 char = c;code = 99 char = t;code = 116 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = f;code = 102 char = r;code = 114 char = o;code = 111 char = m;code = 109 char = ;code = 32 char = 3;code = 51 char = -;code = 45 char = 5;code = 53 char = ;code = 32 char = e;code = 101 char = w;code = 119 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = e;code = 101 char = a;code = 97 char = c;code = 99 char = h;code = 104 char = ,;code = 44 char = ;code = 32 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = g;code = 103 char = u;code = 117 char = l;code = 108 char = a;code = 97 char = r;code = 114 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 = s;code = 115 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = r;code = 114 char = o;code = 111 char = u;code = 117 char = g;code = 103 char = h;code = 104 char = o;code = 111 char = u;code = 117 char = t;code = 116 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = e;code = 101 char = g;code = 103 char = n;code = 110 char = a;code = 97 char = n;code = 110 char = c;code = 99 char = y;code = 121 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = f;code = 102 char = r;code = 114 char = o;code = 111 char = m;code = 109 char = ;code = 32 char = e;code = 101 char = i;code = 105 char = g;code = 103 char = h;code = 104 char = t;code = 116 char = ;code = 32 char = e;code = 101 char = w;code = 119 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = d;code = 100 char = u;code = 117 char = r;code = 114 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = l;code = 108 char = a;code = 97 char = b;code = 98 char = o;code = 111 char = u;code = 117 char = r;code = 114 char = .;code = 46 char = ;code = 32 char = L;code = 76 char = o;code = 111 char = c;code = 99 char = a;code = 97 char = l;code = 108 char = i;code = 105 char = z;code = 122 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = m;code = 109 char = R;code = 82 char = N;code = 78 char = A;code = 65 char = ;code = 32 char = e;code = 101 char = n;code = 110 char = c;code = 99 char = o;code = 111 char = d;code = 100 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = o;code = 111 char = x;code = 120 char = y;code = 121 char = t;code = 116 char = o;code = 111 char = c;code = 99 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = i;code = 105 char = t;code = 116 char = s;code = 115 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = c;code = 99 char = e;code = 101 char = p;code = 112 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = w;code = 119 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = b;code = 98 char = y;code = 121 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = s;code = 115 char = i;code = 105 char = t;code = 116 char = u;code = 117 char = ;code = 32 char = h;code = 104 char = y;code = 121 char = b;code = 98 char = r;code = 114 char = i;code = 105 char = d;code = 100 char = i;code = 105 char = z;code = 122 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;;code = 59 char = ;code = 32 char = o;code = 111 char = x;code = 120 char = y;code = 121 char = t;code = 116 char = o;code = 111 char = c;code = 99 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = p;code = 112 char = e;code = 101 char = p;code = 112 char = t;code = 116 char = i;code = 105 char = d;code = 100 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = n;code = 110 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 = 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 = 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 = i;code = 105 char = m;code = 109 char = m;code = 109 char = u;code = 117 char = n;code = 110 char = o;code = 111 char = a;code = 97 char = s;code = 115 char = s;code = 115 char = a;code = 97 char = y;code = 121 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = o;code = 111 char = x;code = 120 char = y;code = 121 char = t;code = 116 char = o;code = 111 char = c;code = 99 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = c;code = 99 char = e;code = 101 char = p;code = 112 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = n;code = 110 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 = 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 = 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 = a;code = 97 char = u;code = 117 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = a;code = 97 char = d;code = 100 char = i;code = 105 char = o;code = 111 char = g;code = 103 char = r;code = 114 char = a;code = 97 char = p;code = 112 char = h;code = 104 char = y;code = 121 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = r;code = 114 char = a;code = 97 char = d;code = 100 char = i;code = 105 char = o;code = 111 char = r;code = 114 char = e;code = 101 char = c;code = 99 char = e;code = 101 char = p;code = 112 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = a;code = 97 char = s;code = 115 char = s;code = 115 char = a;code = 97 char = y;code = 121 char = .;code = 46 char = ;code = 32 char = I;code = 73 char = n;code = 110 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 = t;code = 116 char = e;code = 101 char = r;code = 114 char = c;code = 99 char = o;code = 111 char = t;code = 116 char = y;code = 121 char = l;code = 108 char = e;code = 101 char = d;code = 100 char = o;code = 111 char = n;code = 110 char = a;code = 97 char = r;code = 114 char = y;code = 121 char = ;code = 32 char = e;code = 101 char = n;code = 110 char = d;code = 100 char = o;code = 111 char = m;code = 109 char = e;code = 101 char = t;code = 116 char = r;code = 114 char = i;code = 105 char = u;code = 117 char = m;code = 109 char = ,;code = 44 char = ;code = 32 char = m;code = 109 char = R;code = 82 char = N;code = 78 char = A;code = 65 char = ;code = 32 char = e;code = 101 char = n;code = 110 char = c;code = 99 char = o;code = 111 char = d;code = 100 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = x;code = 120 char = y;code = 121 char = t;code = 116 char = o;code = 111 char = c;code = 99 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = c;code = 99 char = e;code = 101 char = p;code = 112 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = w;code = 119 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = l;code = 108 char = o;code = 111 char = c;code = 99 char = a;code = 97 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 = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = l;code = 108 char = u;code = 117 char = m;code = 109 char = i;code = 105 char = n;code = 110 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = e;code = 101 char = p;code = 112 char = i;code = 105 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = l;code = 108 char = i;code = 105 char = u;code = 117 char = m;code = 109 char = ;code = 32 char = o;code = 111 char = n;code = 110 char = l;code = 108 char = y;code = 121 char = .;code = 46 char = ;code = 32 char = B;code = 66 char = o;code = 111 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 = e;code = 101 char = p;code = 112 char = i;code = 105 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = l;code = 108 char = i;code = 105 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 = y;code = 121 char = o;code = 111 char = m;code = 109 char = e;code = 101 char = t;code = 116 char = r;code = 114 char = i;code = 105 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = c;code = 99 char = e;code = 101 char = p;code = 112 char = t;code = 116 char = o;code = 111 char = r;code = 114 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 = d;code = 100 char = e;code = 101 char = t;code = 116 char = e;code = 101 char = c;code = 99 char = t;code = 116 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = l;code = 108 char = o;code = 111 char = w;code = 119 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = n;code = 110 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 = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = s;code = 115 char = ;code = 32 char = f;code = 102 char = r;code = 114 char = o;code = 111 char = m;code = 109 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = u;code = 117 char = r;code = 114 char = t;code = 116 char = h;code = 104 char = ;code = 32 char = w;code = 119 char = e;code = 101 char = e;code = 101 char = k;code = 107 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = g;code = 103 char = e;code = 101 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = o;code = 111 char = n;code = 110 char = w;code = 119 char = a;code = 97 char = r;code = 114 char = d;code = 100 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 = a;code = 97 char = ;code = 32 char = m;code = 109 char = a;code = 97 char = j;code = 106 char = o;code = 111 char = r;code = 114 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 = 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 = o;code = 111 char = n;code = 110 char = s;code = 115 char = e;code = 101 char = t;code = 116 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = l;code = 108 char = a;code = 97 char = b;code = 98 char = o;code = 111 char = u;code = 117 char = r;code = 114 char = .;code = 46 char = ;code = 32 char = I;code = 73 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = l;code = 108 char = a;code = 97 char = c;code = 99 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = o;code = 111 char = m;code = 109 char = e;code = 101 char = s;code = 115 char = ,;code = 44 char = ;code = 32 char = o;code = 111 char = x;code = 120 char = y;code = 121 char = t;code = 116 char = o;code = 111 char = c;code = 99 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = c;code = 99 char = e;code = 101 char = p;code = 112 char = t;code = 116 char = o;code = 111 char = r;code = 114 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 = l;code = 108 char = o;code = 111 char = c;code = 99 char = a;code = 97 char = l;code = 108 char = i;code = 105 char = z;code = 122 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = a;code = 97 char = ;code = 32 char = s;code = 115 char = t;code = 116 char = r;code = 114 char = o;code = 111 char = m;code = 109 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = c;code = 99 char = a;code = 97 char = p;code = 112 char = s;code = 115 char = u;code = 117 char = l;code = 108 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = u;code = 117 char = r;code = 114 char = r;code = 114 char = o;code = 111 char = u;code = 117 char = n;code = 110 char = d;code = 100 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = l;code = 108 char = a;code = 97 char = c;code = 99 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = v;code = 118 char = i;code = 105 char = l;code = 108 char = l;code = 108 char = i;code = 105 char = .;code = 46 char = ;code = 32 char = E;code = 69 char = x;code = 120 char = p;code = 112 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = s;code = 115 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = g;code = 103 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = w;code = 119 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = m;code = 109 char = a;code = 97 char = x;code = 120 char = i;code = 105 char = m;code = 109 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = m;code = 109 char = i;code = 105 char = d;code = 100 char = -;code = 45 char = g;code = 103 char = e;code = 101 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ,;code = 44 char = ;code = 32 char = d;code = 100 char = e;code = 101 char = c;code = 99 char = l;code = 108 char = i;code = 105 char = n;code = 110 char = i;code = 105 char = n;code = 110 char = g;code = 103 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 = s;code = 115 char = e;code = 101 char = c;code = 99 char = o;code = 111 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = h;code = 104 char = a;code = 97 char = l;code = 108 char = f;code = 102 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = e;code = 101 char = g;code = 103 char = n;code = 110 char = a;code = 97 char = n;code = 110 char = c;code = 99 char = y;code = 121 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = m;code = 109 char = a;code = 97 char = i;code = 105 char = n;code = 110 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = l;code = 108 char = o;code = 111 char = w;code = 119 char = ;code = 32 char = d;code = 100 char = u;code = 117 char = r;code = 114 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = l;code = 108 char = a;code = 97 char = b;code = 98 char = o;code = 111 char = u;code = 117 char = r;code = 114 char = .;code = 46 char = ;code = 32 char = C;code = 67 char = e;code = 101 char = r;code = 114 char = v;code = 118 char = i;code = 105 char = c;code = 99 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = o;code = 111 char = x;code = 120 char = y;code = 121 char = t;code = 116 char = o;code = 111 char = c;code = 99 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = c;code = 99 char = e;code = 101 char = p;code = 112 char = t;code = 116 char = o;code = 111 char = r;code = 114 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 = d;code = 100 char = e;code = 101 char = t;code = 116 char = e;code = 101 char = c;code = 99 char = t;code = 116 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = l;code = 108 char = o;code = 111 char = w;code = 119 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = n;code = 110 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 = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 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 = p;code = 112 char = i;code = 105 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = l;code = 108 char = i;code = 105 char = u;code = 117 char = m;code = 109 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 = m;code = 109 char = u;code = 117 char = s;code = 115 char = c;code = 99 char = u;code = 117 char = l;code = 108 char = a;code = 97 char = r;code = 114 char = /;code = 47 char = c;code = 99 char = o;code = 111 char = n;code = 110 char = n;code = 110 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 = ;code = 32 char = t;code = 116 char = i;code = 105 char = s;code = 115 char = s;code = 115 char = u;code = 117 char = e;code = 101 char = ;code = 32 char = l;code = 108 char = a;code = 97 char = y;code = 121 char = e;code = 101 char = r;code = 114 char = s;code = 115 char = ;code = 32 char = f;code = 102 char = r;code = 114 char = o;code = 111 char = m;code = 109 char = ;code = 32 char = d;code = 100 char = a;code = 97 char = y;code = 121 char = ;code = 32 char = 2;code = 50 char = 2;code = 50 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = e;code = 101 char = g;code = 103 char = n;code = 110 char = a;code = 97 char = n;code = 110 char = c;code = 99 char = y;code = 121 char = ;code = 32 char = o;code = 111 char = n;code = 110 char = w;code = 119 char = a;code = 97 char = r;code = 114 char = d;code = 100 char = s;code = 115 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = w;code = 119 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = n;code = 110 char = o;code = 111 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 = f;code = 102 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 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 = u;code = 117 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = i;code = 105 char = n;code = 110 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = d;code = 100 char = u;code = 117 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = o;code = 111 char = x;code = 120 char = y;code = 121 char = t;code = 116 char = o;code = 111 char = c;code = 99 char = i;code = 105 char = n;code = 110 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 = w;code = 119 char = e;code = 101 char = ;;code = 59 char = ;code = 32 char = m;code = 109 char = R;code = 82 char = N;code = 78 char = A;code = 65 char = ;code = 32 char = e;code = 101 char = n;code = 110 char = c;code = 99 char = o;code = 111 char = d;code = 100 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = o;code = 111 char = x;code = 120 char = y;code = 121 char = t;code = 116 char = o;code = 111 char = c;code = 99 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = w;code = 119 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = u;code = 117 char = n;code = 110 char = d;code = 100 char = e;code = 101 char = t;code = 116 char = e;code = 101 char = c;code = 99 char = t;code = 116 char = a;code = 97 char = b;code = 98 char = l;code = 108 char = e;code = 101 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = o;code = 111 char = x;code = 120 char = y;code = 121 char = t;code = 116 char = o;code = 111 char = c;code = 99 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = n;code = 110 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 = 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 = a;code = 97 char = l;code = 108 char = w;code = 119 char = a;code = 97 char = y;code = 121 char = s;code = 115 char = ;code = 32 char = <;code = 60 char = ;code = 32 char = 2;code = 50 char = 3;code = 51 char = ;code = 32 char = p;code = 112 char = g;code = 103 char = ;code = 32 char = g;code = 103 char = -;code = 45 char = 1;code = 49 char = ;code = 32 char = w;code = 119 char = e;code = 101 char = t;code = 116 char = ;code = 32 char = m;code = 109 char = a;code = 97 char = s;code = 115 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = t;code = 116 char = i;code = 105 char = s;code = 115 char = s;code = 115 char = u;code = 117 char = e;code = 101 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 char = e;code = 101 char = s;code = 115 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 char = ;code = 32 char = s;code = 115 char = u;code = 117 char = g;code = 103 char = g;code = 103 char = e;code = 101 char = s;code = 115 char = t;code = 116 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = g;code = 103 char = u;code = 117 char = l;code = 108 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 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 = t;code = 116 char = i;code = 105 char = m;code = 109 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = o;code = 111 char = x;code = 120 char = y;code = 121 char = t;code = 116 char = o;code = 111 char = c;code = 99 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = c;code = 99 char = e;code = 101 char = p;code = 112 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = d;code = 100 char = e;code = 101 char = v;code = 118 char = e;code = 101 char = l;code = 108 char = o;code = 111 char = p;code = 112 char = m;code = 109 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = v;code = 118 char = a;code = 97 char = r;code = 114 char = i;code = 105 char = e;code = 101 char = s;code = 115 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 = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = d;code = 100 char = i;code = 105 char = f;code = 102 char = f;code = 102 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = t;code = 116 char = i;code = 105 char = s;code = 115 char = s;code = 115 char = u;code = 117 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = y;code = 121 char = p;code = 112 char = e;code = 101 char = s;code = 115 char = ,;code = 44 char = ;code = 32 char = d;code = 100 char = e;code = 101 char = s;code = 115 char = p;code = 112 char = i;code = 105 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = a;code = 97 char = ;code = 32 char = s;code = 115 char = i;code = 105 char = m;code = 109 char = i;code = 105 char = l;code = 108 char = a;code = 97 char = r;code = 114 char = ;code = 32 char = s;code = 115 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = o;code = 111 char = i;code = 105 char = d;code = 100 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = b;code = 98 char = a;code = 97 char = c;code = 99 char = k;code = 107 char = g;code = 103 char = r;code = 114 char = o;code = 111 char = u;code = 117 char = n;code = 110 char = d;code = 100 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = c;code = 99 char = e;code = 101 char = p;code = 112 char = t;code = 116 char = o;code = 111 char = r;code = 114 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 = l;code = 108 char = u;code = 117 char = m;code = 109 char = i;code = 105 char = n;code = 110 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = e;code = 101 char = p;code = 112 char = i;code = 105 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = l;code = 108 char = i;code = 105 char = u;code = 117 char = m;code = 109 char = ;code = 32 char = a;code = 97 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = b;code = 98 char = a;code = 97 char = b;code = 98 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 = a;code = 97 char = b;code = 98 char = i;code = 105 char = l;code = 108 char = i;code = 105 char = t;code = 116 char = y;code = 121 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = e;code = 101 char = x;code = 120 char = o;code = 111 char = g;code = 103 char = e;code = 101 char = n;code = 110 char = o;code = 111 char = u;code = 117 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = x;code = 120 char = y;code = 121 char = t;code = 116 char = o;code = 111 char = c;code = 99 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = d;code = 100 char = u;code = 117 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = l;code = 108 char = e;code = 101 char = a;code = 97 char = s;code = 115 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = P;code = 80 char = G;code = 71 char = F;code = 70 char = 2;code = 50 char = ;code = 32 char = a;code = 97 char = l;code = 108 char = p;code = 112 char = h;code = 104 char = a;code = 97 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = r;code = 114 char = o;code = 111 char = u;code = 117 char = g;code = 103 char = h;code = 104 char = o;code = 111 char = u;code = 117 char = t;code = 116 char = ;code = 32 char = m;code = 109 char = o;code = 111 char = s;code = 115 char = t;code = 116 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = e;code = 101 char = g;code = 103 char = n;code = 110 char = a;code = 97 char = n;code = 110 char = c;code = 99 char = y;code = 121 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 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 = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = c;code = 99 char = e;code = 101 char = p;code = 112 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = s;code = 115 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = b;code = 98 char = o;code = 111 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 = i;code = 105 char = n;code = 110 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = c;code = 99 char = o;code = 111 char = t;code = 116 char = y;code = 121 char = l;code = 108 char = e;code = 101 char = d;code = 100 char = o;code = 111 char = n;code = 110 char = a;code = 97 char = r;code = 114 char = y;code = 121 char = ;code = 32 char = e;code = 101 char = n;code = 110 char = d;code = 100 char = o;code = 111 char = m;code = 109 char = e;code = 101 char = t;code = 116 char = r;code = 114 char = i;code = 105 char = u;code = 117 char = m;code = 109 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = m;code = 109 char = y;code = 121 char = o;code = 111 char = m;code = 109 char = e;code = 101 char = t;code = 116 char = r;code = 114 char = i;code = 105 char = u;code = 117 char = m;code = 109 char = ;code = 32 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = m;code = 109 char = ;code = 32 char = s;code = 115 char = u;code = 117 char = g;code = 103 char = g;code = 103 char = e;code = 101 char = s;code = 115 char = t;code = 116 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = v;code = 118 char = o;code = 111 char = l;code = 108 char = v;code = 118 char = e;code = 101 char = m;code = 109 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = l;code = 108 char = a;code = 97 char = b;code = 98 char = o;code = 111 char = u;code = 117 char = r;code = 114 char = ,;code = 44 char = ;code = 32 char = w;code = 119 char = h;code = 104 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = i;code = 105 char = r;code = 114 char = ;code = 32 char = r;code = 114 char = o;code = 111 char = l;code = 108 char = e;code = 101 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = c;code = 99 char = a;code = 97 char = r;code = 114 char = u;code = 117 char = n;code = 110 char = c;code = 99 char = u;code = 117 char = l;code = 108 char = a;code = 97 char = r;code = 114 char = ;code = 32 char = s;code = 115 char = t;code = 116 char = r;code = 114 char = o;code = 111 char = m;code = 109 char = a;code = 97 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = m;code = 109 char = i;code = 105 char = d;code = 100 char = -;code = 45 char = p;code = 112 char = r;code = 114 char = e;code = 101 char = g;code = 103 char = n;code = 110 char = a;code = 97 char = n;code = 110 char = c;code = 99 char = y;code = 121 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = u;code = 117 char = n;code = 110 char = k;code = 107 char = n;code = 110 char = o;code = 111 char = w;code = 119 char = n;code = 110 char = .;code = 46 char = <;code = 60 char = b;code = 98 char = r;code = 114 char = /;code = 47 char = >;code = 62 result sql = The development of uterine oxytocin receptors is an important regulatory step in the initiation of labour. Paracrine production of oxytocin by uterine and placental tissues may also be involved in some species. Placentome, intercotyledonary endometrium, myometrium and fetal membranes were collected from 3-5 ewes each, at regular intervals throughout pregnancy and from eight ewes during labour. Localization of mRNA encoding oxytocin and its receptor was by in situ hybridization; oxytocin peptide concentrations were measured by radioimmunoassay and oxytocin receptor concentrations were measured by autoradiography and radioreceptor assay. In the intercotyledonary endometrium, mRNA encoding the oxytocin receptor was located in the luminal epithelium only. Both the epithelial and myometrial receptors were detected at low concentrations from the fourth week of gestation onwards, with a major increase associated with the onset of labour. In the placentomes, oxytocin receptors were localized to a stromal capsule surrounding the placental villi. Expression in this region was maximal in mid-gestation, declining in the second half of pregnancy and remaining low during labour. Cervical oxytocin receptors were detected at low concentrations in the epithelium and the muscular/connective tissue layers from day 22 of pregnancy onwards. There was no evidence for the local uterine production of oxytocin in the ewe; mRNA encoding oxytocin was undetectable and oxytocin concentrations were always < 23 pg g-1 wet mass of tissue. These results suggest that regulation of the timing of oxytocin receptor development varies between the different tissue types, despite a similar steroidal background. The receptors in the luminal epithelium are probably associated with the ability of exogenous oxytocin to induce the release of PGF2 alpha throughout most of pregnancy. The increase in receptors in both the intercotyledonary endometrium and myometrium at term suggest an involvement in labour, whereas their role in caruncular stroma in mid-pregnancy is unknown.
Publication: J. Reprod. Fertil. 1996 Jan ;106(1)::23-31.
Publication Date: 1996 Jan
Study Author(s): Wathes, D C;Smith, H F;Leung, S T;Stevenson, K R;Meier, S;Jenkin, G;
Institution: Babraham Institute, Cambridge, UK.
Shortcut link to this study:
The development of uterine oxytocin receptors is an important regulatory step in the initiation of labour. Paracrine production of oxytocin by uterine and placental tissues may also be involved in some species. Placentome, intercotyledonary endometrium, myometrium and fetal membranes were collected from 3-5 ewes each, at regular intervals throughout pregnancy and from eight ewes during labour. Localization of mRNA encoding oxytocin and its receptor was by in situ hybridization; oxytocin peptide concentrations were measured by radioimmunoassay and oxytocin receptor concentrations were measured by autoradiography and radioreceptor assay. In the intercotyledonary endometrium, mRNA encoding the oxytocin receptor was located in the luminal epithelium only. Both the epithelial and myometrial receptors were detected at low concentrations from the fourth week of gestation onwards, with a major increase associated with the onset of labour. In the placentomes, oxytocin receptors were localized to a stromal capsule surrounding the placental villi. Expression in this region was maximal in mid-gestation, declining in the second half of pregnancy and remaining low during labour. Cervical oxytocin receptors were detected at low concentrations in the epithelium and the muscular/connective tissue layers from day 22 of pregnancy onwards. There was no evidence for the local uterine production of oxytocin in the ewe; mRNA encoding oxytocin was undetectable and oxytocin concentrations were always < 23 pg g-1 wet mass of tissue. These results suggest that regulation of the timing of oxytocin receptor development varies between the different tissue types, despite a similar steroidal background. The receptors in the luminal epithelium are probably associated with the ability of exogenous oxytocin to induce the release of PGF2 alpha throughout most of pregnancy. The increase in receptors in both the intercotyledonary endometrium and myometrium at term suggest an involvement in labour, whereas their role in caruncular stroma in mid-pregnancy is unknown.
PMID: 8667342