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  • Title: [Experimental study of the gastric digestion of milk proteins and the lysosomal proteinases in young animals].
    Author: Nikolaevskaia VR.
    Journal: Vopr Pitan; 1983; (2):42-5. PubMed ID: 6407203.
    Abstract:
    The content of proteinases (proenzymes of pepsin and rennin) in the stomach of newborn rats was found to be significant. However, the proteolytic activity in the gastric contents during milk feeding proper (the first 12 days of life) was fairly low. The activity of marker lysosomal enzymes (acid phosphatase and cathepsins) in lysosomal fraction isolated from the gastric mucosa of the newborn animals was 2 times higher than that seen towards the end of milk feeding. It is suggested that lysosomal proteinases of the stomach, absorbed according to the type of milk protein pinocytosis, are involved into intracellular digestion.
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