Leukotriene D4
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73836-78-9CCCCC/C=C\C\C=C/C=C/C=C/[C@@H](SC[C@H](N)C(=O)NCC(=O)O)[C@@H](O)CCCC(=O)OYEESKJGWJFYOOK-IJHYULJSSA-NLeukotriene D4 is a leukotriene that is (7E,9E,11Z,14Z)-icosa-7,9,11,14-tetraenoic acid substituted by a hydroxy group at position 5 (5S) and a L-cysteinylglycinyl group at position 6 (6R). It has a role as a bronchoconstrictor agent, a mouse metabolite and a human metabolite. It is an organic sulfide, a leukotriene and a dipeptide. It is functionally related to an icosa-7,9,11,14-tetraenoic acid. It is a conjugate acid of a leukotriene D4(1-).
224.4 Ų [M-H]- [CCS Type: DT; Buffer gas: N2; Ionization: ESI-; Calculation: Single Field; Dataset: Oxylipins]
234.1 Ų [M+H]+ [CCS Type: DT; Method: stepped-field]
237.2 Ų [M+Na]+
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説明Leukotriene D4 (LTD4) is an active metabolite of LTC4 (Item Nos. 20210 | 10007241) and a constituent of slow-reacting substance of anaphylaxis (SRS-A). It is formed via metabolism of LTC4 by γ-glutamyl transpeptidase. Like LTC4, LTD4 (0.01-0.1 pM) induces contractions in isolated guinea pig parenchymal strips and tracheal spirals. In vivo, LTD4 increases insufflation pressure, a marker of bronchoconstriction, in anesthetized guinea pigs by 100% when administered at a dose of 89 pmol per animal. It also increases vascular permeability in guinea pig skin when administered intradermally at a dose of 0.1 pmol per animal.
使用LTD4 (Leukotriene D4) is a member of the leukotriene family shown to be a potent contractor of smooth muscle.
定義ChEBI: A leukotriene that is (7E,9E,11Z,14Z)-icosa-7,9,11,14-tetraenoic acid substituted by a hydroxy group at position 5 (5S) and a L-cysteinylglycinyl group at position 6 (6R).
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73836-78-9DTXSID6040533CHEMBL288943CHEBI:28666