intrinsic innervation
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2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Krystyna Makowska ◽  
Piotr Lech ◽  
Mariusz Majewski ◽  
Andrzej Rychlik ◽  
Slawomir Gonkowski

AbstractBisphenol A (BPA) is used in the production of plastics approved for contact with feed and food. Upon entering living organisms, BPA, as a potent endocrine disruptor, negatively affects various internal organs and regulatory systems, especially in young individuals. Although previous studies have described the neurotoxic effects of BPA on various tissues, it should be underlined that the putative influence of this substance on the chemical architecture of the urinary bladder intrinsic innervation has not yet been studied. One of the most important neuronal substances involved in the regulation of urinary bladder functions is vasoactive intestinal polypeptide (VIP), which primarily participates in the regulation of muscular activity and blood flow. Therefore, this study aimed to determine the influence of various doses of BPA on the distribution pattern of VIP-positive neural structures located in the wall of the porcine urinary bladder trigone using the double-immunofluorescence method. The obtained results show that BPA influence leads to an increase in the number of both neurons and nerve fibres containing VIP in the porcine urinary bladder trigone. This may indicate that VIP participates in adaptive processes of the urinary bladder evoked by BPA.


Development ◽  
2021 ◽  
Vol 148 (3) ◽  
pp. dev182543
Author(s):  
Yi-Ning Kang ◽  
Candice Fung ◽  
Pieter Vanden Berghe

ABSTRACTDuring embryonic development, the gut is innervated by intrinsic (enteric) and extrinsic nerves. Focusing on mammalian ENS development, in this Review we highlight how important the different compartments of this innervation are to assure proper gut function. We specifically address the three-dimensional architecture of the innervation, paying special attention to the differences in development along the longitudinal and circumferential axes of the gut. We review recent information about the formation of both intrinsic innervation, which is fairly well-known, as well as the establishment of the extrinsic innervation, which, despite its importance in gut-brain signaling, has received much less attention. We further discuss how external microbial and nutritional cues or neuroimmune interactions may influence development of gut innervation. Finally, we provide summary tables, describing the location and function of several well-known molecules, along with some newer factors that have more recently been implicated in the development of gut innervation.


2019 ◽  
pp. 421-426
Author(s):  
R. Robert ◽  
O. Hamel

2017 ◽  
Vol 104 (2) ◽  
pp. 97-129 ◽  
Author(s):  
KW Romański

The migrating motility complex (MMC), a cyclical phenomenon, represents rudimentary motility pattern in the gastrointestinal tract. The MMC is observed mostly in the stomach and gut of man and numerous animal species. It contains three or four phases, while its phase III is the most characteristic. The mechanisms controlling the pattern are unclear in part, although the neural control of the MMC seems crucial. The main goal of this article was to discuss the importance of intrinsic innervation of the gastrointestinal tract in MMC initiation, migration, and cessation to emphasize that various MMC-controlling mechanisms act through the enteric nervous system. Two main neural regions, central and peripheral, are able to initiate the MMC. However, central regulation of the MMC may require cooperation with the enteric nervous system. When central mechanisms are not active, the MMC can be initiated peripherally in any region of the small bowel. The enteric nervous system affects the MMC in response to the luminal stimuli which can contribute to the initiation and cessation of the cycle, and it may evoke irregular phasic contractions within the pattern. The hormonal regulators released from the endocrine cells may exert a modulatory effect upon the MMC mostly through the enteric nervous system. Their central action could also be considered. It can be concluded that the enteric nervous system is involved in the great majority of the MMC-controlling mechanisms.


PLoS ONE ◽  
2016 ◽  
Vol 11 (5) ◽  
pp. e0155658 ◽  
Author(s):  
Michal Zalecki ◽  
Waldemar Sienkiewicz ◽  
Amelia Franke-Radowiecka ◽  
Magdalena Klimczuk ◽  
Jerzy Kaleczyc

Author(s):  
J. Aisa ◽  
M. J. Azanza ◽  
C. Junquera ◽  
M. T. Peg ◽  
P. Garin

2013 ◽  
Vol 177 (1) ◽  
pp. 60
Author(s):  
S. Carbone ◽  
S. Randall-Demlo ◽  
A. Rahman ◽  
V. Jovanovska ◽  
R. Eri ◽  
...  

2012 ◽  
Vol 42 (3) ◽  
pp. 201-212 ◽  
Author(s):  
J. Sadeghinezhad ◽  
Z. Tootian ◽  
R. Latorre ◽  
C. Sorteni ◽  
R. Chiocchetti

2011 ◽  
Vol 28 (3) ◽  
pp. 295-298 ◽  
Author(s):  
Yoshihiro Kubota ◽  
Hirotomi Cho ◽  
Tomoko Umeda ◽  
Hajime Abe ◽  
Yoshimasa Kurumi ◽  
...  

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