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  • Title: [Dynamics of DNA synthesis in the gastric mucosa in ulcer].
    Author: Smotrova IA, Trubitsyna IE, Maĭorov VM.
    Journal: Biull Eksp Biol Med; 1979 Dec; 88(12):661-4. PubMed ID: 518992.
    Abstract:
    Anomalous DNA synthesis was seen in the stomach mucosa of mice with experimental stomach ulcer during different phases of the ulcerous process, using histoautoradiography. At the early stage of ulcer formation a decrease in the label index (LI) is seen. Formation of the ulcer, morphologically similar to the shronic one, is accompanied by growth of the number of DNA-synthesizing cells in its margins. Over a period of ulcer healing proliferative activity of epithelium decreases approximately to an initial level. Histoautoradiographic studies of bioptates of the stomach mucosa obtained under spot gastroscopy in patients suffering from the ulcerous disease allowed to reveal intensifying proliferative activity of epithelium in the ulcer margins. Similar changes in LI were found in gastritis, followed by the gland affection, and in atrophic gastritis.
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