Annals of Surgery

Skip Navigation LinksHome > January 2015 - Volume 261 - Issue 1 > The Effect of Renin Angiotensin System Genetic Variants in A...
Annals of Surgery:
doi: 10.1097/SLA.0000000000000655
Original Articles

The Effect of Renin Angiotensin System Genetic Variants in Acute Pancreatitis

Skipworth, James R. A. MBBS, BSc, MRCS*,†,‡; Nijmeijer, Rian M. PhD§; van Santvoort, Hjalmar C. PhD; Besselink, Marc G. H. PhD; Schulz, Hans-Ulrich PhD**; Kivimaki, Mika PhD††; Kumari, Meena PhD††; Cooper, Jackie A. MSc‡‡; Acharya, Jay PhD‡‡; Shankar, Arjun MD; Malago, Massimo PhD*,†; Humphries, Steve E. PhD‡‡; Olde Damink, Steven W. M. PhD*,†,§§; Montgomery, Hugh E. MD*,‡

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Objectives: We sought association of genetic variants in the renin-angiotensin system (RAS) and vitamin D system with acute pancreatitis (AP) development and severity.

Background: The endocrine RAS is involved in circulatory homeostasis through the pressor action of angiotensin II at its AT1 receptor. However, local RAS regulate growth and inflammation in diverse cells and tissues, and their activity may be suppressed by vitamin D. Intrapancreatic angiotensin II generation has been implicated in the development of AP.

Methods: Five hundred forty-four white patients with AP from 3 countries (United Kingdom, 22; Germany, 136; and The Netherlands 386) and 8487 control subjects (United Kingdom 7833, The Netherlands 717) were genotyped for 8 polymorphisms of the RAS/vitamin D systems, chosen on the basis of likely functionality.

Results: The angiotensin-converting enzyme I (rather than D) allele was significantly associated with alcohol-related AP when all cohorts were combined (P = 0.03). The renin rs5707 G (rather than A) allele was associated with AP (P = 0.002), infected necrosis (P = 0.025) and mortality (P = 0.046).

Conclusions: The association of 2 RAS polymorphisms with AP suggests the need for further detailed analysis of the role of RAS/vitamin D in the genesis or severity of AP, particularly given the ready potential for pharmacological manipulation of this system using existing marketed agents. However, further replication studies will be required before any such association is considered robust, particularly given the significant heterogeneity of AP causation and clinical course.

© 2015 by Lippincott Williams & Wilkins.


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