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In-vitro and in-vivo antagonistic action of an anti-amylin Spiegelmer


Bilik, K U; Ergüven, E; Klussmann, S; Jarosch, F; Wielinga, P Y; Lutz, T A; Riediger, T (2007). In-vitro and in-vivo antagonistic action of an anti-amylin Spiegelmer. NeuroReport, 18(17):1855-1859.

Abstract

The anorectic and dipsogenic effects of the pancreatic hormone amylin are mediated by the area postrema and the subfornical organ. We tested the effectiveness of a new amylin antagonist, a so-called RNA Spiegelmer, by electrophysiological in-vitro recordings from the rat subfornical organ and by immunohistological c-Fos studies in the area postrema. Amylin's excitatory effect on subfornical organ neurons was blocked by the anti-amylin Spiegelmer. Peripheral administration 5 h prior to amylin also suppressed the amylin-induced activation (c-Fos expression) in the area postrema. The biostable anti-amylin Spiegelmer may be therapeutically beneficial in conditions associated with high plasma amylin levels, such as cancer anorexia occurring during certain pancreatic tumors.

Abstract

The anorectic and dipsogenic effects of the pancreatic hormone amylin are mediated by the area postrema and the subfornical organ. We tested the effectiveness of a new amylin antagonist, a so-called RNA Spiegelmer, by electrophysiological in-vitro recordings from the rat subfornical organ and by immunohistological c-Fos studies in the area postrema. Amylin's excitatory effect on subfornical organ neurons was blocked by the anti-amylin Spiegelmer. Peripheral administration 5 h prior to amylin also suppressed the amylin-induced activation (c-Fos expression) in the area postrema. The biostable anti-amylin Spiegelmer may be therapeutically beneficial in conditions associated with high plasma amylin levels, such as cancer anorexia occurring during certain pancreatic tumors.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Institute of Veterinary Physiology
04 Faculty of Medicine > Center for Integrative Human Physiology
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Language:English
Date:19 November 2007
Deposited On:19 Mar 2009 18:07
Last Modified:05 Apr 2016 13:03
Publisher:Lippincott Wiliams & Wilkins
ISSN:0959-4965
Publisher DOI:https://doi.org/10.1097/WNR.0b013e3282f1ab04
PubMed ID:18090326

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