期刊论文详细信息
Innate Immunity
Analgesic effects of chemically synthesized NOD1 and NOD2 agonists in mice:
TadasuSato1 
关键词: NOD1;    NOD2;    FK565;    MDP;    analgesic effect;    opioid;   
DOI  :  10.1177/1753425909351904
学科分类:生物科学(综合)
来源: Sage Journals
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【 摘 要 】

Intracellular nucleotide-binding oligomerization domain (NOD)-like receptors, NOD1 and NOD2, recognize the diaminopimelic acid (DAP)-containing peptide moiety and muramyldipeptide (MDP) moiety of bacterial peptidoglycan, respectively. Muramyldipeptide has been reported to exert analgesic activity to decrease the frequency of acetic acid-induced writhing movements in mice. In this study, we demonstrated the analgesic activities of NOD1 as well as NOD2 agonists. Intravenous injection of NOD2-agonistic MDP, 6-O-stearoyl-MDP (L18-MDP), and MDP-Lys (L18) exhibited analgesic activity at 10, 50, and 2.0 µg/head, respectively, in BALB/c mice. NOD1-Agonistic FK156 (D-lactyl-L-Ala-D-Glu-meso-DAP-L-Gly) and FK565 (heptanoyl-D-Glu-meso-DAP-D-Ala) were also analgesic at 50 µg/head and 1.0 µg/head, respectively. The analgesic effect of FK565 appeared from 30 min, reached maximum activity at 8 h, and continued until 24 h. The FK565 exhibited activity by various administration routes; intravenous, intraperitoneal, intram...

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