التفاصيل البيبلوغرافية
| العنوان: |
The Influence of Inflammation and Nerve Damage on the Neurochemical Characterization of Calcitonin Gene-Related Peptide—Like Immunoreactive (CGRP-LI) Neurons in the Enteric Nervous System of the Porcine Descending Colon. |
| المؤلفون: |
Makowska, Krystyna, Gonkowski, Slawomir |
| المصدر: |
International Journal of Molecular Sciences; Feb2018, Vol. 19 Issue 2, p548, 20p |
| مصطلحات موضوعية: |
ENTERIC nervous system, CALCITONIN gene-related peptide, GASTROINTESTINAL diseases, IMMUNOFLUORESCENCE, NITRIC-oxide synthase genetics, MOLECULAR genetics, GENETICS |
| مستخلص: |
The enteric nervous system (ENS), localized in the wall of the gastrointestinal tract, regulates the functions of the intestine using a wide range of neuronally-active substances. One of them is the calcitonin gene-related peptide (CGRP), whose participation in pathological states in the large intestine remains unclear. Therefore, the aim of this study was to investigate the influence of inflammation and nerve damage using a double immunofluorescence technique to neurochemically characterize CGRP-positive enteric nervous structures in the porcine descending colon. Both pathological factors caused an increase in the percentage of CGRP-positive enteric neurons, and these changes were the most visible in the myenteric plexus after nerve damage. Moreover, both pathological states change the degree of co-localization of CGRP with other neurochemical factors, including substance P, the neuronal isoform of nitric oxide synthase, galanin, cocaine- and amphetamine-regulated transcript peptide and vesicular acetylcholine transporter. The character and severity of these changes depended on the pathological factor and the type of enteric plexus. The obtained results show that CGRP-positive enteric neurons are varied in terms of neurochemical characterization and take part in adaptive processes in the descending colon during inflammation and after nerve damage. [ABSTRACT FROM AUTHOR] |
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