isolated dog mastocytoma cells sensitized with dog anti-ragweed ige and challenged with ragweed antigen generate the c-6 peptide leukotriene ( lt ) constituents of the slow-reacting substance of anaphylaxis ( srs-a ) , ltc4 and ltd4 , and the potent leukocyte chemotactic factor , ltb4 , as well as 15-hydroxyeicosatetraenoic acid ( 15-hete ) , 12-hete , and 5-hete .
C0023545
leukotriene
C0038091
of