The effect of liquid diet on the parotid gland and the protective role of L-carnitine: immunohistochemical and ultrastructural study

Folia morphologica
T A ElGhamrawy

Abstract

The moisture content of diet and the dryness of the mouth alter the volume of parotid saliva secreted in rats and it plays an important part in mastication and swallowing. Temporary or permanent liquid diet feeding provides a nutritional regime for patients in certain medical situations. The aim of the present work is to investigate the sequel of liquid diet on parotid gland in rats and the possible protective role of L-carnitine (L-car). Thirty adult male albino rats were divided into three groups (10 per group) - rats were fed on regular pellet diet, Liquid diet group and Liquid diet supplemented with L-car group were received liquid diet. The parotid glands were dissected for histological, immunohistochemical and ultrastructural analysis. By light microscope, liquid fed group showed some areas with degenerated irregularly shaped acini and atrophic acini with vacuolated cytoplasm and pyknotic nuclei. Acinar cells of parotid gland group on liquid diet supplemented with L-car, had normally eosinophilic cytoplasm with few vacuoles in their acinar cells. Periodic acid Schiff (PAS) staining, in liquid fed group showed that the serous acini were weakly stained with PAS that was localised in the apical portion of the cells where the...Continue Reading

Citations

Jan 8, 2019·Environmental Science and Pollution Research International·Samuel Gbadebo OlukoleBankole Olusiji Oke
Feb 16, 2021·Frontiers in Nutrition·Mathieu SchwartzFrancis Canon

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