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in vitro PHARMACOLOGY 2011 CATALOG - Cerep

in vitro PHARMACOLOGY 2011 CATALOG - Cerep

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49<br />

❚ melaton<strong>in</strong><br />

<strong>Cerep</strong><br />

services<br />

MT 1 (ML 1A ) - agonist radioligand<br />

b<strong>in</strong>d<strong>in</strong>g<br />

Ref. 1538<br />

Q 3 weeks<br />

Included <strong>in</strong>:<br />

ExpresS Profile<br />

High-throughput profile<br />

BioPr<strong>in</strong>t ® profile<br />

Organ safety profile<br />

Source<br />

Ligand<br />

Kd<br />

Non specific<br />

Reference<br />

human recomb<strong>in</strong>ant (CHO cells)<br />

[ 125 I]2-iodomelaton<strong>in</strong> (0.01 nM)<br />

0.04 nM<br />

melaton<strong>in</strong> (1 µM)<br />

melaton<strong>in</strong> (IC 50 : 0.16 nM)<br />

Witt-Enderby, P.A. and Dubocovitch, M.L. (1996) Mol. Pharm., 50: 166-174.<br />

specific b<strong>in</strong>d<strong>in</strong>g (% of control)<br />

100<br />

50<br />

0<br />

-13 -12 -11 -10 -9 -8 -7 -6 -5 -4<br />

log [drug] (M)<br />

melaton<strong>in</strong><br />

2-iodomelaton<strong>in</strong><br />

6-chloromelaton<strong>in</strong><br />

luz<strong>in</strong>dole<br />

<br />

Receptors<br />

[GPCRs]<br />

Ion<br />

channels<br />

MT 1 (ML 1A )<br />

cellul ar<br />

Ref. 2498 Agonist effect<br />

Ref. 2500 Antagonist effect<br />

Q 3 weeks<br />

Source<br />

human recomb<strong>in</strong>ant (CHO cells)<br />

Measured product impedance<br />

Detection method cellular dielectric spectroscopy<br />

Agonist effect Control melaton<strong>in</strong> (10 nM)<br />

Reference melaton<strong>in</strong> (EC 50 : 0.22 nM)<br />

Antagonist effect Stimulant melaton<strong>in</strong> (1 nM)<br />

Reference luz<strong>in</strong>dole (IC 50 : 680 nM)<br />

Brown<strong>in</strong>g, C. et al. (2000) Br. J. Pharmacol., 129: 877-886.<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

[Solvent] must be kept 0.1%<br />

Transporters<br />

K<strong>in</strong>ases<br />

MT 2 (ML 1B ) - agonist radioligand<br />

Source<br />

human recomb<strong>in</strong>ant (CHO cells)<br />

Ligand<br />

[ 125 I]2-iodomelaton<strong>in</strong> (0.05 nM)<br />

b<strong>in</strong>d<strong>in</strong>g<br />

Kd<br />

0.085 nM<br />

Ref. 1687<br />

Non specific melaton<strong>in</strong> (1 µM)<br />

Q 3 weeks<br />

Reference melaton<strong>in</strong> (IC 50 : 0.18 nM)<br />

Included <strong>in</strong>:<br />

Organ safety profile<br />

Beresford, I.J.M. et al. (1998) J. Pharmacol. Exp. Ther., 285: 1239-1245.<br />

specific b<strong>in</strong>d<strong>in</strong>g (% of control)<br />

<br />

<br />

<br />

<br />

<br />

100<br />

<br />

<br />

<br />

50 <br />

<br />

<br />

melaton<strong>in</strong><br />

2-iodomelaton<strong>in</strong><br />

4-P-PDOT<br />

0<br />

luz<strong>in</strong>dole<br />

-13 -12 -11 -10 -9 -8 -7 -6<br />

log [drug] (M)<br />

Epigenetic &<br />

DNA-related<br />

enzymes<br />

Other<br />

enzymes<br />

MT 2 (ML 1B )<br />

cellul ar<br />

Ref. 2092 Agonist effect<br />

Ref. 2100 Antagonist effect<br />

Q 3 weeks<br />

Source<br />

human recomb<strong>in</strong>ant (CHO cells)<br />

Measured product cAMP<br />

Detection method HTRF<br />

Agonist effect Control melaton<strong>in</strong> (1 µM)<br />

Reference melaton<strong>in</strong> (EC 50 : 0.25 nM)<br />

Antagonist effect Stimulant melaton<strong>in</strong> (10 nM)<br />

Reference unavailable<br />

Beresford, I.J.M. et al. (1998) J. Pharmacol. Exp. Ther., 285: 1239-1245.<br />

cAMP modulation (% of control)<br />

100<br />

50<br />

0<br />

log [agonist] (M)<br />

melaton<strong>in</strong><br />

2-iodomelaton<strong>in</strong><br />

GR 135531<br />

IIK7<br />

[Solvent] must be kept ≤ 0.3%<br />

-11 -10<br />

-12 -11<br />

-10 -9 -8 -7 -6<br />

-9 -8 -7 -6 -5 -4<br />

antagonist effect:<br />

no graph available<br />

❚ See other Melaton<strong>in</strong> assays, page 89<br />

Specialized<br />

cellular<br />

assays<br />

Standard<br />

profiles<br />

-12 -11<br />

-10 -9 -8 -7<br />

❚ motil<strong>in</strong><br />

-12 -11<br />

-12 -11<br />

-10 -9 -8 -7<br />

-10 -9 -8 -7 -6 -5<br />

-11 -10<br />

-9 -8 -7 -6 -5 -4<br />

Test<strong>in</strong>g<br />

conditions<br />

motil<strong>in</strong> - agonist radioligand<br />

b<strong>in</strong>d<strong>in</strong>g<br />

Ref. 0470<br />

Q 3 weeks<br />

Included <strong>in</strong>:<br />

BioPr<strong>in</strong>t ® profile<br />

Source<br />

Ligand<br />

Kd<br />

Non specific<br />

Reference<br />

human recomb<strong>in</strong>ant (CHO cells)<br />

[ 125 I]motil<strong>in</strong> (0.05 nM)<br />

0.26 nM<br />

[Nleu 13 ]-motil<strong>in</strong> (1 µM)<br />

[Nleu 13 ]-motil<strong>in</strong> (IC 50 : 1.4 nM)<br />

Feighner, S.D. et al. (1999) Science, 284: 2184-2188.<br />

-9 -8 -7 -6 -5<br />

-10 -4<br />

specific b<strong>in</strong>d<strong>in</strong>g (% of control)<br />

100<br />

50<br />

0<br />

-12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2<br />

log [drug] (M)<br />

● [Nleu 13 ]-motil<strong>in</strong><br />

■ motil<strong>in</strong><br />

▲ erythromic<strong>in</strong><br />

Order<strong>in</strong>g<br />

<strong>in</strong>formation<br />

Assay list<br />

& <strong>in</strong>dex

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