Healio Rheuminations

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This episode digs into the pathophysiology of urticaria vasculitis from anti-C1q to the story of bradykinin.

· Intro 0:11

· In this episode 0:22

· Review of episode 83 1:23

· Listen to previous episode, The Complement System for Dunces 4:09

· Anti-C1q antibodies 6:26

· Lupus, anti-C1q and lupus nephritis 9:33

· What happens when you inject anti-C1q in a mouse? 12:56

· The allergy component: anti-C1q, urticaria and angioedema 17:36

· Bradykinin-mediated angioedema and C1q deficiency 24:20

· What is the kinin kallikrein system? 26:21

· French researchers in 1909: human urine injected in dogs 27:30

· How is this relevant to urticarial vasculitis? 31:08

· SERPING1 gene mutation 31:23

· Summary 32:06

· COPD association with urticarial vasculitis 33:51

· Coming up in episode 85 35:28

· Thanks for listening 35:45

Disclosures: Brown reports no relevant financial disclosures.

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Urticarial Vasculitis, Part 2: Walking the Balance Beam of Allergy and Rheumatology