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  • Title: Study on relationship between the thickness of tongue fur and the expressions of apoptosis-related genes of the tongue epithelial cells in patients with diseases of the digestive system.
    Author: Wu Z, Li M, Zhang Y, Chen M.
    Journal: J Tradit Chin Med; 2007 Jun; 27(2):148-52. PubMed ID: 17710816.
    Abstract:
    To investigate the relationship between the thickness of tongue fur, apoptosis of the tongue fur epithelial cells and expressions of apoptosis-related genes in diseases of the digestive system, apoptosis-related genes TGF-beta3, fas mRNA and protein products were detected with terminal deoxynucleotidyl transferase-mediated deoxyurine triphosphate (d-UTP) nick-end labeling (TUNEL) technique, in situ hybridization, immunohistochemical methods, and image analysis technique, respectively. Results indicated that compared with the normal tongue fur, over-expression of fas gene was found in the peeling fur with an increase in cell apoptosis, while a low-expression of TGF-beta3 in the thick fur with a decrease in cell apoptosis. The changes in expression levels of fas and TGF-beta3 genes, apoptosis-promoting genes in the tongue fur epithelial cells, had a similar tendency of cell apoptosis level. It is concluded that the changes in expression levels of fas and TGF-beta3 are possibly important reasons influencing apoptosis of epithelial cells of tongue fur and leading to changes in thickness of the tongue fur.
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