Stammzelltherapie bei Leberfibrose: Ein Überblick
Liver fibrosis is a chronic liver disease characterized by the excessive deposition of extracellular matrix proteins, leading to the formation of scar tissue and impaired liver function. Stem cell therapy has emerged as a promising approach for treating liver fibrosis, bietet das Potenzial, geschädigtes Lebergewebe zu regenerieren und die Leberfunktion wiederherzustellen.
Pathophysiology of Liver Fibrosis and Stem Cell Potential
Liver fibrosis is triggered by chronic liver injury, which activates hepatic stellate cells (HSCs). HSCs differentiate into myofibroblasts, the main producers of extracellular matrix proteins. Stammzellen, due to their self-renewal and differentiation capabilities, have the potential to modulate the fibrotic process by inhibiting HSC activation, Förderung der Hepatozytenregeneration, und Entzündungen reduzieren.
Types of Stem Cells Used in Liver Fibrosis Treatment
Various types of stem cells have been investigated for liver fibrosis therapy, einschließlich:
- Mesenchymale Stammzellen (MSCs): Aus Knochenmark gewonnen, Fettgewebe, oder Nabelschnur, MSCs können in mehrere Zelltypen differenzieren, including hepatocytes and cholangiocytes.
- Leberstammzellen (HSCs): Found in the liver, HSCs are responsible for liver regeneration and can be expanded in vitro for therapeutic use.
- Embryonale Stammzellen (ESCs): Derived from blastocysts, ESCs have the potential to differentiate into any type of cell, offering a versatile source for liver fibrosis therapy.
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