Lipoxins synthesized from arachidonic acid act by?
Decrease leucocyte migration, adhesion, chemotaxis
Increase leucocyte migration, adhesion, chemotaxis
Vasoconstrictio
Increased vascular permeability
Ans. is 'a' i.e., Decrease leucocyte migration, adhesion, chemotaxis Effects of lipoxins (LXA4, LXB4 ) are :? Inhibit neutrophil chemotaxis and leukocyte recruitment (major action). Vasodilatation Promote moncytic phagocytosis of apoptotic neutrophils.