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Ultrastructural changes of the human enteric nervous system and interstitial cells of Cajal in diverticular disease.

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dc.contributor.authorAlaburda, Paulius
dc.contributor.authorLukosiene, Jaune I.
dc.contributor.authorPauza, Audrys G.
dc.contributor.authorKyguoliene, Kristina Rysevaite
dc.contributor.authorKupcinskas, Juozas
dc.contributor.authorSaladzinskas, Zilvinas
dc.contributor.authorPauziene, Neringa
dc.date.accessioned2022-11-02T17:13:13Z
dc.date.available2022-11-02T17:13:13Z
dc.date.issued2020
dc.description.abstractBackground. In spite of numerous advances in understanding diverticular disease, its pathogenesis remains one of the main problems to be solved. We aimed to investigate the ultrastructural changes of the enteric nervous system in unaffected individuals, in asymptomatic patients with diverticulosis and in patients with diverticular disease. Methods. Transmission electron microscopy was used to analyse samples of the myenteric, outer submucosal and inner submucosal plexuses from patients without diverticula (n=9), asymptomatic patients with diverticulosis (n=7) and in patients with complicated diverticular disease (n=9). We described the structure of ganglia, interstitial cells of Cajal and enteric nerves, as well as their relationship with each other. The distribution and size of nerve processes were analysed quantitatively. Results. In complicated diverticular disease, neurons exhibited larger lipofuscin-like inclusions, their membranous organelles had larger cisterns and the nucleus showed deeper indentations. Nerve remodeling occurred in every plexus, characterised by an increased percentage of swollen and fine neurites. Interstitial cells of Cajal had looser contacts with the surrounding cells and showed cytoplasmic depletion and proliferation of the rough endoplasmic reticulum. In asymptomatic patients with diverticulosis, alterations of enteric nerves and ICC were less pronounced. Conclusions. In conclusion, the present findings suggest that most ultrastructural changes of the enteric nervous system occur in complicated diverticular disease. The changes are compatible with damage to the enteric nervous system and reactive remodeling of enteric ganglia, nerves and interstitial cells of Cajal. Disrupted architecture of enteric plexuses might explain clinical and pathophysiological changes associated with diverticular diseasees
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dc.format.extent11es
dc.identifier.citationHistology and Histopathology Vol. 35, nº 2 (2020)
dc.identifier.doihttps://doi.org/10.14670/HH-18-136
dc.identifier.issn0213-3911
dc.identifier.issn1699-5848
dc.identifier.urihttp://hdl.handle.net/10201/125067
dc.languageenges
dc.publisherUniversidad de Murcia, Departamento de Biologia Celular e Histiologiaes
dc.relationSin financiación externa a la Universidades
dc.rightsinfo:eu-repo/semantics/openAccesses
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectDiverticular diseasees
dc.subjectColones
dc.subjectTEMes
dc.subjectENSes
dc.subjectInterstitial cells of Cajales
dc.subject.otherCDU::6 - Ciencias aplicadas::61 - Medicina::616 - Patología. Medicina clínica. Oncologíaes
dc.titleUltrastructural changes of the human enteric nervous system and interstitial cells of Cajal in diverticular disease.es
dc.typeinfo:eu-repo/semantics/articlees
dspace.entity.typePublicationes
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Histology and histopathology Vol.35, nº2 (2020)