|Systematic (IUPAC) name|
|Molar mass||223.61254 g/mol|
7-Chlorokynurenic acid (7-CKA) is a drug that acts as a potent and selective noncompetitive antagonist of the glycine site of the NMDA receptor. It produces ketamine-like rapid antidepressant effects in animal models of depression. However, 7-CKA is unable to cross the blood-brain-barrier, and for this reason, is unsuitable for clinical use. As a result, a centrally-penetrant prodrug of 7-CKA, 4-chlorokynurenine (AV-101), has been developed for use in humans, and is being studied in clinical trials as a potential treatment for major depressive disorder. In addition to antagonizing the NMDA receptor, 7-CKA also acts as a potent inhibitor of the reuptake of glutamate into synaptic vesicles (or as a vesicular glutamate reuptake inhibitor), an action that it mediates via competitive blockade of vesicular glutamate transporters (Ki = 0.59 mM).
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- Zhu WL, Wang SJ, Liu MM, Shi HS, Zhang RX, Liu JF, Ding ZB, Lu L (2013). "Glycine site N-methyl-D-aspartate receptor antagonist 7-CTKA produces rapid antidepressant-like effects in male rats". J Psychiatry Neurosci. 38 (5): 306–16. doi:10.1503/jpn.120228. PMC . PMID 23611177.
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- Vécsei, László; Szalárdy, Levente; Fülöp, Ferenc; Toldi, József (2012). "Kynurenines in the CNS: recent advances and new questions". Nature Reviews Drug Discovery. 12 (1): 64–82. doi:10.1038/nrd3793. ISSN 1474-1776. PMID 23237916.
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