char = A;code = 65 char = ;code = 32 char = s;code = 115 char = y;code = 121 char = n;code = 110 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = t;code = 116 char = i;code = 105 char = c;code = 99 char = ;code = 32 char = g;code = 103 char = l;code = 108 char = y;code = 121 char = c;code = 99 char = o;code = 111 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 = o;code = 111 char = f;code = 102 char = ;code = 32 char = s;code = 115 char = u;code = 117 char = b;code = 98 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = P;code = 80 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = a;code = 97 char = l;code = 108 char = o;code = 111 char = g;code = 103 char = u;code = 117 char = e;code = 101 char = ;code = 32 char = (;code = 40 char = S;code = 83 char = P;code = 80 char = 6;code = 54 char = -;code = 45 char = 1;code = 49 char = 1;code = 49 char = );code = 41 char = ;code = 32 char = w;code = 119 char = i;code = 105 char = t;code = 116 char = h;code = 104 char = ;code = 32 char = e;code = 101 char = n;code = 110 char = h;code = 104 char = a;code = 97 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = N;code = 78 char = K;code = 75 char = -;code = 45 char = 1;code = 49 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 = 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 = i;code = 105 char = t;code = 116 char = y;code = 121 char = .;code = 46 result sql = A synthetic glycopeptide of substance P analogue (SP6-11) with enhanced NK-1 receptor specificity.
A synthetic glycopeptide of substance P analogue (SP6-11) with enhanced NK-1 receptor specificity.char = A;code = 65 char = ;code = 32 char = n;code = 110 char = e;code = 101 char = w;code = 119 char = ;code = 32 char = g;code = 103 char = l;code = 108 char = y;code = 121 char = c;code = 99 char = o;code = 111 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 = a;code = 97 char = n;code = 110 char = a;code = 97 char = l;code = 108 char = o;code = 111 char = g;code = 103 char = u;code = 117 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = s;code = 115 char = u;code = 117 char = b;code = 98 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = P;code = 80 char = ;code = 32 char = (;code = 40 char = 6;code = 54 char = -;code = 45 char = 1;code = 49 char = 1;code = 49 char = );code = 41 char = ;code = 32 char = (;code = 40 char = S;code = 83 char = P;code = 80 char = 6;code = 54 char = -;code = 45 char = 1;code = 49 char = 1;code = 49 char = );code = 41 char = ,;code = 44 char = ;code = 32 char = n;code = 110 char = a;code = 97 char = m;code = 109 char = e;code = 101 char = l;code = 108 char = y;code = 121 char = ,;code = 44 char = ;code = 32 char = N;code = 78 char = 1;code = 49 char = ,;code = 44 char = 6;code = 54 char = ;code = 32 char = (;code = 40 char = b;code = 98 char = e;code = 101 char = t;code = 116 char = a;code = 97 char = -;code = 45 char = D;code = 68 char = -;code = 45 char = g;code = 103 char = l;code = 108 char = u;code = 117 char = c;code = 99 char = o;code = 111 char = p;code = 112 char = y;code = 121 char = r;code = 114 char = a;code = 97 char = n;code = 110 char = o;code = 111 char = s;code = 115 char = y;code = 121 char = l;code = 108 char = );code = 41 char = ;code = 32 char = [;code = 91 char = G;code = 71 char = l;code = 108 char = u;code = 117 char = 6;code = 54 char = ,;code = 44 char = ;code = 32 char = P;code = 80 char = r;code = 114 char = o;code = 111 char = 9;code = 57 char = ];code = 93 char = S;code = 83 char = P;code = 80 char = 6;code = 54 char = -;code = 45 char = 1;code = 49 char = 1;code = 49 char = ,;code = 44 char = ;code = 32 char = h;code = 104 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = e;code = 101 char = n;code = 110 char = ;code = 32 char = s;code = 115 char = y;code = 121 char = n;code = 110 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = z;code = 122 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 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 = t;code = 116 char = o;code = 111 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = ;code = 32 char = w;code = 119 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = ;code = 32 char = s;code = 115 char = o;code = 111 char = l;code = 108 char = u;code = 117 char = b;code = 98 char = l;code = 108 char = e;code = 101 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 = ;code = 32 char = v;code = 118 char = i;code = 105 char = t;code = 116 char = r;code = 114 char = o;code = 111 char = ;code = 32 char = b;code = 98 char = i;code = 105 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 = a;code = 97 char = l;code = 108 char = ;code = 32 char = a;code = 97 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = v;code = 118 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 = t;code = 116 char = h;code = 104 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = g;code = 103 char = l;code = 108 char = y;code = 121 char = c;code = 99 char = o;code = 111 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 = w;code = 119 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 = f;code = 102 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = s;code = 115 char = p;code = 112 char = a;code = 97 char = s;code = 115 char = m;code = 109 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 = a;code = 97 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = v;code = 118 char = i;code = 105 char = t;code = 116 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 = g;code = 103 char = u;code = 117 char = i;code = 105 char = n;code = 110 char = e;code = 101 char = a;code = 97 char = ;code = 32 char = p;code = 112 char = i;code = 105 char = g;code = 103 char = ;code = 32 char = i;code = 105 char = l;code = 108 char = e;code = 101 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 = o;code = 111 char = r;code = 114 char = ;code = 32 char = p;code = 112 char = o;code = 111 char = t;code = 116 char = e;code = 101 char = n;code = 110 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 = e;code = 101 char = l;code = 108 char = e;code = 101 char = c;code = 99 char = t;code = 116 char = r;code = 114 char = i;code = 105 char = c;code = 99 char = a;code = 97 char = l;code = 108 char = l;code = 108 char = y;code = 121 char = ;code = 32 char = e;code = 101 char = v;code = 118 char = o;code = 111 char = k;code = 107 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = n;code = 110 char = t;code = 116 char = r;code = 114 char = a;code = 97 char = c;code = 99 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 = r;code = 114 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = v;code = 118 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = d;code = 100 char = e;code = 101 char = f;code = 102 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = n;code = 110 char = s;code = 115 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 char = u;code = 117 char = s;code = 115 char = ,;code = 44 char = ;code = 32 char = a;code = 97 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = v;code = 118 char = i;code = 105 char = t;code = 116 char = i;code = 105 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = N;code = 78 char = K;code = 75 char = -;code = 45 char = 1;code = 49 char = ,;code = 44 char = ;code = 32 char = N;code = 78 char = K;code = 75 char = -;code = 45 char = 2;code = 50 char = ,;code = 44 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = N;code = 78 char = K;code = 75 char = -;code = 45 char = 3;code = 51 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 = t;code = 116 char = y;code = 121 char = p;code = 112 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = h;code = 104 char = a;code = 97 char = v;code = 118 char = e;code = 101 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = e;code = 101 char = n;code = 110 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 = 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 = 116 char = w;code = 119 char = o;code = 111 char = ;code = 32 char = a;code = 97 char = s;code = 115 char = s;code = 115 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 = 44 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 = c;code = 99 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 = N;code = 78 char = K;code = 75 char = -;code = 45 char = 1;code = 49 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = N;code = 78 char = K;code = 75 char = -;code = 45 char = 3;code = 51 char = ,;code = 44 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 = g;code = 103 char = u;code = 117 char = i;code = 105 char = n;code = 110 char = e;code = 101 char = a;code = 97 char = ;code = 32 char = p;code = 112 char = i;code = 105 char = g;code = 103 char = ;code = 32 char = i;code = 105 char = l;code = 108 char = e;code = 101 char = u;code = 117 char = m;code = 109 char = ;code = 32 char = (;code = 40 char = G;code = 71 char = P;code = 80 char = I;code = 73 char = );code = 41 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 = s;code = 115 char = s;code = 115 char = a;code = 97 char = y;code = 121 char = e;code = 101 char = d;code = 100 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 = 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 = p;code = 112 char = h;code = 104 char = a;code = 97 char = r;code = 114 char = m;code = 109 char = a;code = 97 char = c;code = 99 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 = a;code = 97 char = l;code = 108 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = c;code = 99 char = e;code = 101 char = d;code = 100 char = u;code = 117 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = E;code = 69 char = D;code = 68 char = 5;code = 53 char = 0;code = 48 char = ;code = 32 char = v;code = 118 char = a;code = 97 char = l;code = 108 char = u;code = 117 char = e;code = 101 char = s;code = 115 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 = a;code = 97 char = n;code = 110 char = a;code = 97 char = l;code = 108 char = o;code = 111 char = g;code = 103 char = u;code = 117 char = e;code = 101 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 = f;code = 102 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = n;code = 110 char = c;code = 99 char = e;code = 101 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 = s;code = 115 char = ;code = 32 char = s;code = 115 char = u;code = 117 char = b;code = 98 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = P;code = 80 char = ;code = 32 char = (;code = 40 char = S;code = 83 char = P;code = 80 char = );code = 41 char = ,;code = 44 char = ;code = 32 char = n;code = 110 char = e;code = 101 char = u;code = 117 char = r;code = 114 char = o;code = 111 char = k;code = 107 char = i;code = 105 char = n;code = 110 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = A;code = 65 char = (;code = 40 char = N;code = 78 char = K;code = 75 char = A;code = 65 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 = n;code = 110 char = e;code = 101 char = u;code = 117 char = r;code = 114 char = o;code = 111 char = k;code = 107 char = i;code = 105 char = n;code = 110 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = B;code = 66 char = ;code = 32 char = (;code = 40 char = N;code = 78 char = K;code = 75 char = B;code = 66 char = );code = 41 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 = 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 = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = p;code = 112 char = o;code = 111 char = t;code = 116 char = e;code = 101 char = n;code = 110 char = c;code = 99 char = i;code = 105 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = l;code = 108 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = v;code = 118 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = S;code = 83 char = P;code = 80 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 = a;code = 97 char = l;code = 108 char = c;code = 99 char = u;code = 117 char = l;code = 108 char = a;code = 97 char = t;code = 116 char = e;code = 101 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 = a;code = 97 char = n;code = 110 char = a;code = 97 char = l;code = 108 char = o;code = 111 char = g;code = 103 char = u;code = 117 char = e;code = 101 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = r;code = 114 char = e;code = 101 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = i;code = 105 char = m;code = 109 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = m;code = 109 char = o;code = 111 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = o;code = 111 char = t;code = 116 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = a;code = 97 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 = o;code = 111 char = t;code = 116 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = N;code = 78 char = K;code = 75 char = -;code = 45 char = 1;code = 49 char = ;code = 32 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 = ;code = 32 char = S;code = 83 char = P;code = 80 char = ;code = 32 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = N;code = 78 char = K;code = 75 char = -;code = 45 char = 1;code = 49 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 = 46 char = ;code = 32 char = M;code = 77 char = o;code = 111 char = r;code = 114 char = e;code = 101 char = o;code = 111 char = v;code = 118 char = e;code = 101 char = r;code = 114 char = ,;code = 44 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = g;code = 103 char = l;code = 108 char = y;code = 121 char = c;code = 99 char = o;code = 111 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 = p;code = 112 char = r;code = 114 char = o;code = 111 char = v;code = 118 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = ;code = 32 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = s;code = 115 char = e;code = 101 char = l;code = 108 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 = 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 = N;code = 78 char = K;code = 75 char = -;code = 45 char = 1;code = 49 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 = a;code = 97 char = s;code = 115 char = ;code = 32 char = t;code = 116 char = h;code = 104 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 = f;code = 102 char = i;code = 105 char = c;code = 99 char = ;code = 32 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 = ;code = 32 char = S;code = 83 char = P;code = 80 char = O;code = 79 char = M;code = 77 char = e;code = 101 char = ;code = 32 char = (;code = 40 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = m;code = 109 char = e;code = 101 char = t;code = 116 char = h;code = 104 char = y;code = 121 char = l;code = 108 char = ;code = 32 char = e;code = 101 char = s;code = 115 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = s;code = 115 char = u;code = 117 char = b;code = 98 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = P;code = 80 char = );code = 41 char = .;code = 46 char = <;code = 60 char = b;code = 98 char = r;code = 114 char = /;code = 47 char = >;code = 62 result sql = A new glycopeptide analogue of substance P (6-11) (SP6-11), namely, N1,6 (beta-D-glucopyranosyl) [Glu6, Pro9]SP6-11, has been synthesized and found to be water soluble. The in vitro biological activity of this glycopeptide was determined for spasmogenic activity in the guinea pig ileum and for potentiation of electrically evoked contractions in the rat vas deferens. Thus, activities on NK-1, NK-2, and NK-3 receptor types have been differentiated by two assays and, in the case of NK-1 and NK-3, receptors in guinea pig ileum (GPI) were assayed using specific pharmacological procedures. The ED50 values for the analogue and reference peptides substance P (SP), neurokinin A(NKA), and neurokinin B (NKB) were determined and potencies relative to SP were calculated. The analogue is three times more potent than the potent NK-1 agonist SP on NK-1 receptors. Moreover, this glycopeptide proved to be as selective for the NK-1 receptor as the specific agonist SPOMe (the methyl ester of substance P).
Publication: J Pharm Sci 1990 Jan ;79(1)::74-6.
Publication Date: 1990 Jan
Study Author(s): Haro, I;Busquets, M A;Torres, J L;Valencia, G;Garcia-Anton, J M;Reig, F;
Institution: Laboratory of Peptides, Biological Organic Chemistry Department, Barcelona, Spain.
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A new glycopeptide analogue of substance P (6-11) (SP6-11), namely, N1,6 (beta-D-glucopyranosyl) [Glu6, Pro9]SP6-11, has been synthesized and found to be water soluble. The in vitro biological activity of this glycopeptide was determined for spasmogenic activity in the guinea pig ileum and for potentiation of electrically evoked contractions in the rat vas deferens. Thus, activities on NK-1, NK-2, and NK-3 receptor types have been differentiated by two assays and, in the case of NK-1 and NK-3, receptors in guinea pig ileum (GPI) were assayed using specific pharmacological procedures. The ED50 values for the analogue and reference peptides substance P (SP), neurokinin A(NKA), and neurokinin B (NKB) were determined and potencies relative to SP were calculated. The analogue is three times more potent than the potent NK-1 agonist SP on NK-1 receptors. Moreover, this glycopeptide proved to be as selective for the NK-1 receptor as the specific agonist SPOMe (the methyl ester of substance P).
PMID: 1690289