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Kinin 9

Kinin 9 --> bradykinin

(Science: protein) vasoactive nonapeptide (RPPGFSPFR) formed by action of proteases on kininogens. Very similar to kallidin (which has the same sequence but with an additional N terminal lysine). Bradykinin is a very potent vasodilator and increases permeability of post capillary venules, it acts on endothelial cells to activate phospholipase A2. It is also spasmogenic for some smooth muscle and will cause pain.

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Immunity questions...

... that I hope someone can help me with... 1. Is it possible for something to be an antigen, a pathogen, and an allergen? 2. How does histamine, kinin, and opson work together to guide phagocytes? Thanks SOOOO much! :)

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by astronautswife
Mon Feb 05, 2007 7:49 pm
Forum: General Discussion
Topic: Immunity questions...
Replies: 2
Views: 1991

The Fiber Disease

... factor in normal human and mouse plasma; the plastic beads induce vascular permeability-enhancing activity as measured in guinea pig skin and kinin-like activity in normal human and mouse plasma that is dependent on Hageman factor; ellagic acid, an agent that activates Hageman factor in vivo ...

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by London
Sun Oct 22, 2006 1:57 pm
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 6247531

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