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Dig Dis Sci. 1997 Jul;42(7):1489-94. doi: 10.1023/a:1018822912108.

Neurogenic inflammation in cholecystitis.

Digestive diseases and sciences

J B Prystowsky, R V Rege

Affiliations

  1. Department of Surgery, Northwestern University Medical School, Chicago, Illinois 50611, USA.

PMID: 9246052 DOI: 10.1023/a:1018822912108

Abstract

Neurogenic inflammation implies stimulation of nerves with resultant inflammation in tissue surrounding the nerve terminals. We hypothesized that neurogenic inflammation has a role in cholecystitis. Capsaicin (stimulant of afferent, nociceptive neurons), 6-hydroxydopamine (stimulates release of peptides from sympathetic nerve terminals), bradykinin, lipopolysaccharide, and saline were instilled into guinea pig gallbladders for 24 hr (N = 5 in each group). In parallel, test agents were instilled with 1% Iidocaine. Water transport across gallbladder mucosa, myeloperoxidase and interluekin-1 release from gallbladder tissue, and prostaglandin E2 in luminal fluid were measured. Capsaicin caused water secretion and significant release of myeloperoxidase, interleukin-1, and prostaglandin-E2, effects that were blocked by Iidocaine. 6-Hydroxydopamine did not affect water transport or prostaglandin E2, but did cause myeloperoxidase and interleukin-1 release. Bradykinin- and lipopolysaccharide-induced inflammation were partially inhibited by lidocaine. Taken together, these results suggest that neurogenic inflammation has a role in the pathophysiology of cholecystitis.

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