NDLI: Changes in Pituitary Adenylate Cyclase-Activating Peptide 27-Like Immunoreactive Nervous Structures in the Porcine Descending Colon During Selected Pathological Processes

Content Provider	Springer Nature Link
Author	Gonkowski, Sławomir Całka, Jarosław
Copyright Year	2012
Abstract	This study reports on changes in the pituitary adenylate cyclase-activating peptide 27-like immunoreactive (PACAP-27-LI) nerve structures of the enteric nervous system (ENS) in the porcine descending colon, caused by chemically induced inflammation, nerve injury, and proliferative enteropathy (PE), which is a “natural” inflammation of the porcine digestive tract. The distribution pattern of PACAP-27-LI structures was studied using the immunofluorescence technique in the circular muscle layer, enteric plexuses (i.e., myenteric plexus (MP), outer submucous plexus (OSP), and inner submucous plexus (ISP)), and in the mucosal layer. Under physiological conditions, PACAP-27-LI perikarya have been shown to constitute 4.04 ± 0.66, 6.66 ± 0.77, and 11.19 ± 0.74 % in the MP, OSP, and ISP, respectively. Changes in PACAP-27 immunoreactivity depended on the pathological factor studied. The numbers of the PACAP-27-LI perikarya amounted to 12.26 ± 1.43, 12.28 ± 0.79, and 21.13 ± 1.19 % in chemically induced colitis, 17.83 ± 0.88, 9.03 ± 1.05, and 20.72 ± 1.35 % during PE and 10.65 ± 0.82, 6.88 ± 1.04, and 14.04 ± 1.09 % after axotomy in MP, OSP, and ISP, respectively. All of the studied processes generally resulted in an increase in the number of PACAP-27-LI nerve fibers in the circular muscle and mucosal layers. The obtained results suggest that PACAP-27-LI nerve structures of ENS may participate in various pathological states within the porcine descending colon, and their functions probably depend on the type of pathological factor.
Starting Page	777
Ending Page	787
Page Count	11
File Format	PDF
ISSN	08958696
Journal	Journal of Molecular Neuroscience
Volume Number	48
Issue Number	3
e-ISSN	15591166
Language	English
Publisher	Humana Press Inc
Publisher Date	2012-06-17
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Enteric nervous system Pituitary adenylate cyclase-activating peptide 27 (PACAP-27) Axotomy Inflammation Proliferative enteropathy Pig Neurosciences Neurochemistry Neurology Proteomics Cell Biology
Content Type	Text
Resource Type	Article
Subject	Medicine Cellular and Molecular Neuroscience

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