Endogenous bradykinin and B1-B5 during angiotensin-converting enzyme inhibitor-associated angioedema.

Hubers, Scott A; Kohm, Kevin; Wei, Shouzuo; Yu, Chang; Nian, Hui; Grabert, Ryan; Sexton, Daniel J; Brown, Nancy J · J Allergy Clin Immunol · 2018

rct · Level II

Where this comes from

Abstract

Bradykinin concentrations and the ratio of bradykinin to its stable metabolite BK1–5 (RPPGF) were significantly increased in patients presenting with angiotensin-converting enzyme (ACE) inhibitor-associated angioedema compared to ACE inhibitor-treated controls. Cleavage of high molecular weight kininogen was not increased in patients with ACE inhibitor-associated angioedema, indicating that increased bradykinin concentrations result from decreased degradation.

Medical subject headings