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Drug-Target Interaction

Drug

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PubChem ID:3080836
Structure:
Synonyms:
2-(2'-Methyl-3'-chloroanilino)lysine nicotinate
3-Pyridinecarboxylic acid, 2-((3-chloro-2-methylphenyl)amino)-, compd.
3-Pyridinecarboxylic acid, 2-((3-chloro-2-methylphenyl)amino)-, compd. with L-lysine (1:1)
55837-30-4
Clonixil
Clonixil (TN)
Clonixin lysine salt
D07728
L 104
L-104
L-Lysine, mono(2-((3-chloro-2-methylphenyl)amino)-3-pyridinecarboxylate)
LS-184278
Lysine clonixinate

Target

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Uniprot ID:Q62710_RAT
Synonyms:
Nitric oxide synthase
EC-Numbers:-
Organism:Rat
Rattus norvegicus
PDB IDs:-

Binding Affinities:

Ki: Kd:Ic 50:Ec50/Ic50:
----

References:

11292364
In vivo and in vitro effects of lysine clonixinate on nitric oxide synthase in LPS-treated and untreated rat lung preparations.. A M Franchi; G Di Girolamo; M Farina; A R de los Santos; M L MartÝ; M A Gimeno (2001) Nitric oxide : biology and chemistry / official journal of the Nitric Oxide Society display abstract
Recent studies have shown that some nonsteroidal antiinflammatory drugs (NSAIDS) inhibited the inducible NO synthase (iNOS) without direct effect on the catalytic activity of this enzyme. This study was conducted to investigate the in vitro and in vivo effects of lysine clonixinate (LC) and indomethacin (INDO) on NOS activity in rat lung preparation. LC is a drug with antiinflammatory, antipyretic, and analgesic action. In the in vitro experiments, rats were injected with saline or lipopolysaccharide (LPS) and killed 6 h after treatment. Lung preparations were incubated with LC at 2.3 x 10(-5) M or 3.8 x 10(-5) M. The minimum concentration did not modify NOS activity in control or LPS-treated rats but the maximum dose inhibited increased NO production induced by LPS. Furthermore, INDO at 10(-6) M had no effect on enzymatic activity in control or LPS-treated rats. In the in vivo experiments, 40 mg/kg of LC were injected ip. Such a dose did not affect basal production of NO. When LC and LPS were injected simultaneously 6 h before sacrifice, a significant decrease in LPS-induced NOS activity was observed. INDO 10 mg/kg injected in control animals had no effect on NOS activity and did not block LPS induced stimulation of NO production when injected simultaneously. Finally, when LC (40 mg/kg) was injected 3 h after LPS, the enzymatic activity remained unchanged. Expression of iNOS was detected by Western blotting in rats treated with LPS plus 4, 10, 20, and 40 mg/kg of LC. The lowest dose was the only one showing no effect on LPS-induced increase of iNOS. In short, LC is a NSAID with inhibitory action on the expression of LPS-induced NOS, effect that was not seen with INDO in our experimental conditions.