Urticarial Vasculitis, Part 2: Walking The Balance Beam Of Allergy And Rheumatology Healio Rheuminations podcast

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

11M ago 35:59

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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.

We’d love to hear from you! Send your comments/questions to Dr. Brown at [email protected]. Follow us on Twitter @HRheuminations @AdamJBrownMD @HealioRheum.

References:

Busse P, et al. J Allergy Clin Immunol Pract. 2022;doi:10.1016/j.jaip.2021.11.011.

Davis MDP, et al. J Allergy Clin Immunol Pract. 2018;doi:10.1016/j.jaip.2018.05.006.

Dorn JM, et al. Ann Allergy Asthma Immunol. 2023;doi:10.1016/j.anai.2023.06.014.

Marzano AV, et al. J Allergy Clin Immunol. 2022;doi:10.1016/j.jaci.2022.02.007.

Siegert CE, et al. Clin Immunol Immunopathol. 1993;doi:10.1006/clin.1993.1066.

Stojan G, et al. Lupus. 2016;doi:10.1177/0961203316645205.

Venzor J, et al. Clin Rev Allergy Immunol. 2002;doi:10.1385/CRIAI:23:2:201.

Wisnieski JJ, et al. Medicine. 1995;doi:10.1097/00005792-199501000-00003.