Publication: The primary cilium: A relevant characteristic in interstitial cells of rat duodenum enteric plexus
Authors
Junquera Escribano, Concepción ; Cantarero Carmona, Irene ; Luesma Bartolomé, María José ; Soriano Navarro, Mario ; Martínez Ciriano, Carmen ; Castiella Muruzábal, Tomás ; García-Verdugo, José María
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Publisher
Murcia: F. Hernández
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DOI
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info:eu-repo/semantics/article
Description
Abstract
Studies in vitro have permitted the
identification of enteric neural progenitor cells. Now the
question arises as to where these progenitor cells are
located in vivo. The purpose of this paper is to identify
possible candidate cells by means of transmission
electron microscopy (TEM).
We have located three interstitial cellular types
around the rat duodenum myenteric plexus. Type I cells
have been identified as Interstitial Cells of Cajal (ICCs).
These cells present well defined ultrastructural
characteristics, including the triple connexion ICnervous
trunk- blood vessels. Type II cells show
characteristics of immature cells, emphasizing the
presence of a single cilium with the structure (9+0). To
analyse this nanostructure, we have elaborated a
reconstruction on ultrathin sections. The two previously
described cellular types could be considered to be
different functional states of the same cell. Type III cells
present ultrastructural characteristics of fibroblast-like
cells. This study suggests that Type II cells could be a
source of neural progenitor cells.
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