Differential mRNA expression of TACR1 after ischemic peritoneal trauma: a pilot animal study

Purpose: Experimental trial in an in vivo animal model in the laboratory facilities of a university department of obstetrics and gynecology and a microarray facility using seventeen female Wistar rats to investigate the regional expression level of TACR1 at specific locations in the peritoneum in a...

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Main Authors: Krämer, Bernhard (Author) , Wallwiener, Markus (Author)
Format: Article (Journal)
Language:English
Published: 2012
In: Archives of gynecology and obstetrics
Year: 2012, Volume: 285, Issue: 3, Pages: 717-720
ISSN:1432-0711
DOI:10.1007/s00404-011-2041-4
Online Access:Verlag, Volltext: http://dx.doi.org/10.1007/s00404-011-2041-4
Verlag, Volltext: https://doi.org/10.1007/s00404-011-2041-4
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Author Notes:Bernhard Kraemer, Markus Wallwiener, Christian W. Wallwiener, Ingolf Juhasz-Boess, Andreas Hartkopf, Diethelm Wallwiener, Taufiek K. Rajab

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520 |a Purpose: Experimental trial in an in vivo animal model in the laboratory facilities of a university department of obstetrics and gynecology and a microarray facility using seventeen female Wistar rats to investigate the regional expression level of TACR1 at specific locations in the peritoneum in a rodent animal model of post-operative adhesions.Methods: Peritoneal adhesions were induced by the placement of three unilateral ischemic lesions. A time course experiment was performed to identify when adhesions form in this model to determine the optimal time for tissue harvesting. To this effect, second look analysis for adhesion scoring occurred after day 1, 3 and 5. Eighteen tissue samples from the adhesiogenic lesions and the contralateral non-adhesiogenic peritoneum were harvested from n = 3 animals at day 3 for quantitative real-time PCR analysis. Results: After 1 day, no adhesions were macroscopically detectable. After 3 days, adhesions were detectable which could be separated easily by gravity. After 5 days, all animals had formed adhesions and strong traction was required for adhesiolysis. The adhesions always formed to the ischemic part of the lesions. Quantitative PCR analysis after 3 days demonstrated down-regulation of TACR1 mRNA in the adhesiogenic peritoneum of the lesions compared to non-adhesiogenic peritoneum on the contralateral side. This difference was statistically highly significant (p < 0.01). Conclusions: In the ischemic lesion model of adhesiogenesis, TACR1 is differentially expressed between adhesiogenic peritoneum and non-adhesiogenic peritoneum at the time-point of adhesion formation. 
650 4 |a Adhesiogenesis 
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650 4 |a Gene expression tachykinin receptor 
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