1999
DOI: 10.1046/j.1469-7580.1999.19530359.x
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Localisation and quantitation of autonomic innervation in the porcine heart II: endocardium, myocardium and epicardium

Abstract: The immunological problems of pig hearts supporting life in human recipients have potentially been solved by transgenic technology. Nevertheless, other problems still remain. Autonomic innervation is important for the control of cardiac dynamics and there is evidence suggesting that some neurons remain intact after transplantation. Previous studies in the human heart have established regional differences in both general autonomic innervation and in its component neural subpopulations. Such studies are … Show more

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Cited by 73 publications
(76 citation statements)
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“…Although the heart receives parasympathetic innervation, the relative distribution of this innervation to different parts of the heart is unclear. Previous studies in pigs and humans (15,16) demonstrated a dense network of acetylcholinesterase-rich nerve fibers in the endo-, myo-, and epicardium, but some of these fibers probably originate from intrinsic cardiac ganglia. More recently, it has been shown that cardiomyocytes synthesize and secrete acetylcholine to support parasympathetic cardiac innervation (17), although no specific staining for acetylcholinesterase was performed in these studies.…”
Section: Discussionmentioning
confidence: 99%
“…Although the heart receives parasympathetic innervation, the relative distribution of this innervation to different parts of the heart is unclear. Previous studies in pigs and humans (15,16) demonstrated a dense network of acetylcholinesterase-rich nerve fibers in the endo-, myo-, and epicardium, but some of these fibers probably originate from intrinsic cardiac ganglia. More recently, it has been shown that cardiomyocytes synthesize and secrete acetylcholine to support parasympathetic cardiac innervation (17), although no specific staining for acetylcholinesterase was performed in these studies.…”
Section: Discussionmentioning
confidence: 99%
“…Jest to generalnie zgodne z wcześniejszymi obserwacjami dotyczącymi włókien zlokalizowanych w innych częściach serca, takich jak przegroda lub ściany przedsionków i komór (31,35,45), w których (podobnie jak podczas niniejszych badań) obserwowano NPY, VAChT, TH oraz SP (8,9,45). Z drugiej jednak strony, zauważyć można pewne różnice pomiędzy neurochemiczną charakterystyką włókien nerwowych zaopatrujących koniuszek serca (wyniki niniejszych badań) a strukturami nerwowymi w innych częściach serca opisanymi we wcześniejszych eksperymentach (31).…”
Section: Cgrp)unclassified
“…Chodzi mianowicie o immunoreaktywność wobec CGRP. W niniejszym doświadczeniu nie stwierdzono takich włókien ani w warunkach fizjologicznych, ani po podaniu bisfenolu A. Natomiast wcześniejsze badania wykazały stosunkowo dużą ilość CGRP-pozytywnych struktur nerwowych w innych częściach mięśnia sercowego (8,31,35). Ponadto wiadomo, iż CGRP jest ważnym czynnikiem regulującym pracę serca, który między innymi bierze udział w kontroli przepływu krwi przez naczynia wieńcowe oraz wykazuje działanie inotropowo-dodatnie oraz kardioprotekcyjne (11,21).…”
Section: Cgrp)unclassified
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“…A histological study (14) has shown that there may be small differences in the parasympathetic innervation of the RV and LV; however, few studies have analyzed functional regional differences in detail. Martin et al (35) demonstrated that left VNS showed a slightly greater prolongation of the LV epicardial posterior wall (mean difference of 1.2 ms) compared with right VNS in a canine model.…”
mentioning
confidence: 99%