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Aim: We aimed to observe the expression of extracellular matrix (ECM) and cellular adhesion molecules (CAM) in cirrhotic liver tissues after hepatitis C virus (HCV) infection.
Methods: Twelve patients with post HCV inflammatory liver cirrhosis were selected to evaluate their liver function and other virological, pathological parameters. Then three specimens of cirrhotic patients whose health assessment results and laboratory data were similar and three normal liver specimens explanted from liver grafts prepared for liver transplantation were chosen for investigating gene expression of ECM and CAM using cDNA expression array.
Results: The cDNA array assay revealed 36.7% (36/96) of genes with changes, in which 26.3% (26/96) was up-regulated and 10.1% (10/96) was down-regulated. Integrin (ITGA), collagen (COL), ADAMTS were identified as the characteristic changes of ECM and CAM gene expression levels. ITGA were demonstrated beta1 and beta2 sub-section changed in liver cirrhosis.
Conclusion: ECM and CAM play an important role in the progression of liver cirrhosis after HCV infection. The capital mechanism is related to the inflammatory cells infiltration, the activation and transformation of ECM producing cells and the imbalance between production and elimination of ECM.
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http://dx.doi.org/10.3748/wjg.v11.i14.2184 | DOI Listing |
Front Med (Lausanne)
August 2025
Academic Ophthalmology, Division of Clinical Neuroscience, School of Medicine, University of Nottingham, Nottingham, United Kingdom.
Background: The pre-Descemet layer (Dua's layer) (PDL/DL) and the Descemet membrane (DM) have the highest expression of elastin in normal corneas. Reduced expression of elastin occurs in the corneal stroma of patients with keratoconus (KC). This study aimed to examine the expression of elastin and that of other extracellular matrix (ECM) components, and proteoglycan proteins in the PDL/DL and DM in advanced KC.
View Article and Find Full Text PDFDev Cell
September 2025
Wellcome Trust/CRUK Gurdon Institute, University of Cambridge, Cambridge, UK; Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK. Electronic address:
An enlarged brain underlies the complex central nervous system of vertebrates. The dramatic expansion of the brain that diverges its shape from the spinal cord follows neural tube closure during embryonic development. Here, we show that this differential deformation is encoded by a pre-pattern of tissue material properties in chicken embryos.
View Article and Find Full Text PDFInt J Mol Sci
April 2025
Division of Plastic Surgery and Hand Surgery, University Hospital Zurich, 8091 Zurich, Switzerland.
Tendon ruptures and tendinopathies represent a major part of musculoskeletal injuries. Due to the hypovascular and hypocellular nature of tendons, the natural healing capacity is slow and limited. Cell-free approaches for tendon injuries are being investigated as the next generation of therapeutic treatments.
View Article and Find Full Text PDFFront Biosci (Landmark Ed)
April 2025
Institute of Future Biophysics, 141701 Dolgoprudny, Russia.
Background: The implementation of proton beam irradiation (PBI) for breast cancer (BC) treatment is rapidly advancing due to its enhanced target coverage and reduced toxicities to organs at risk. However, the effects of PBI can vary depending on the cell type. This study aimed to explore the effects of PBI on two BC cell lines, MCF7 and MDA-MB-231.
View Article and Find Full Text PDFBiomimetics (Basel)
December 2024
Institute for Macromolecular Chemistry, Stefan-Meier-Strasse 31, 79104 Freiburg, Germany.
Cardiovascular diseases such as myocardial infarction or limb ischemia are characterized by regression of blood vessels. Local delivery of growth factors (GFs) involved in angiogenesis such as fibroblast blast growth factor-2 (FGF-2) has been shown to trigger collateral neovasculature and might lead to a therapeutic strategy. In vivo, heparin, a sulfated polysaccharide present in abundance in the extracellular matrix (ECM), has been shown to function as a local reservoir for FGF-2 by binding FGF-2 and other morphogens and it plays a role in the evolution of GF gradients.
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