Publication: Myofibroblasts and myoepithelial cells in the chicken Harderian gland
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Date
1991
Authors
Cacho, Emilio del ; Gallego, Margarita ; Felices, Carlos ; Bascuas, J.A.
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Publisher
Murcia : F. Hernández
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DOI
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info:eu-repo/semantics/article
Description
Abstract
An electron microscopic study of the
myoepithelial cells in the chicken Harderian gland
provides evidence that these cells can be transformed
into myofibroblasts. After the application of a Brucella
ovis suspension in sterile saline onto the eyeball, every 5
minutes for half an hour, myoepithelial cells gradually
develop over a 90-minute period the characteristic
features of myofibroblasts: bundles of intracytoplasmic
microfilament; abundant rough endoplasmic reticulum;
prominent Golgi complex; and surface membrane
differentiations, that provide attachment to
neighbouring epithelial cells. No typical desmosomes
are observed. Besides, the intercellular space
between epithelial cells and myofibroblasts increases
and the basement membrane adjacent to myofibroblasts
disappears. Hypoxia is hypothesized to be involved in
the transformation of myoepithelial cells into
myofibroblasts.
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