IUPAC 名称
N-[(2S,4R,6R)-2-{[(4S,5R,6S)-3,5-dihydroxy-2-(hydroxymethyl)-6-{[(4R,5R)-1,2,4,5-tetrahydroxy-6-oxohexan-3-yl]oxy}oxan-4-yl]oxy}-6-(hydroxymethyl)-5-{[(2S,3R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-4-{[(2R,4S,5R,6R)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy}oxan-3-yl]acetamide
描述
Lacto-N-fucopentaose III (LNFPIII) is a polylactosamine sugar, predominant carbohydrate found in S. mansoni egg Ag. Lewis type carbohydrate LNFPIII can function as an adjuvant by their ability to induce a Th2 response (PMID:11418681)
LNFPIII/LeX is also expressed by immunosuppressive helminth parasites, by bacteria, and on a number of tumor/cancer cells. According to Atochina et al., LNFPIII-stimulated macrophages secrete prostaglandin E(2), interleukin-10 (IL-10), and tumor necrosis factor alpha (TNF-alpha) but a very low level of IL-12. Interestingly, addition of anti-TNF-alpha, anti-IL-10, or anti-IL-12 monoclonal antibodies did not significantly alter NK cell activity. It shows that soluble mediators are not critical for LNFPIII-stimulated macrophage activation of NK cells and provide further evidence for the importance of cell-cell contact and CD40-CD40L interactions between macrophages and NK cells. (PMID:16148169) [HMDB]
InChI标识符
InChI=1S/C32H55NO25/c1-8-16(42)20(46)22(48)30(51-8)57-27-15(33-9(2)39)29(54-14(7-38)26(27)56-31-23(49)21(47)18(44)12(5-36)52-31)58-28-19(45)13(6-37)53-32(24(28)50)55-25(11(41)4-35)17(43)10(40)3-34/h3,8,10-32,35-38,40-50H,4-7H2,1-2H3,(H,33,39)/t8-,10+,11?,12?,13?,14-,15?,16+,17-,18?,19?,20+,21?,22?,23-,24-,25?,26?,27-,28+,29+,30-,31+,32+/m1/s1