Publication: The hepatic perisinusoidal stellate cell
Authors
Kawada, N.
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Publisher
Murcia : F. Hernández
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DOI
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info:eu-repo/semantics/article
Description
Abstract
Hepatic stellate cell (also referred to as Ito
cell, fat-storing cell, perisinusoidal cell, lipocyte) is one
of the sinusoid-constituent cells that play multiple roles
in liver pathophysiology. Although identification of the
stellate cell had taken about 100 years because of the
misconception caused by the discoverer von Kupffer,
Wake made a great contribution to the "re"discovery of
the cell in 1971. Establishment of the isolation of hepatic
non-parenchymal cells from rats by Knook has made it
possible to uncover the metabolic function of individual
cells. Now, the stellate cell function is expanding from a
retinol (fat)-storing site to a center of extracellular
matrix metabolism and mediator production in the liver.
Function as a liver specific pericyte has also been
elucidated. Transition of the stellate cells from the
vitamin A-storing phenotype to "activated" or
"myofibroblastic" cells that produce a large amount of
type 1 collagen and transfonning growth factor P triggers
the progress of liver fibrosis in the course of hepatic
inflamrnation. Comrnunication of the stellate cells with
the other hepatic constituent cells and invading
inflammatory cells is also an important factor that
regulates the local pathological reaction. Analysis of
cellular and molecular aspects of the stellate cell
activation would lead to the establishment of a novel
therapeutic strategy against the progress of liver fibrosis
in human liver disease.
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