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Titolo: Subcellular distribution of melatonin receptors in human parotid glands
Data di pubblicazione: 2013
Citazione: Subcellular distribution of melatonin receptors in human parotid glands / Isola M; Ekström J; Diana M; Solinas P; Cossu M; Lilliu MA; Loy F; Isola R. - 223:5(2013), pp. 519-524.
Abstract: The hormone melatonin influences oral health through a variety of actions, such as anti-inflammatory, anti-oxidant, immunomodulatory and antitumour. Many of these melatonin functions are mediated by a family of membrane receptors expressed in the oral epithelium and salivary glands. Using immunoblotting and immunohistochemistry, recent studies have shown that the melatonin membrane receptors, MT1 and MT2, are present in rat and human salivary glands. To date, no investigation has dealt with the ultrastructural distribution of the melatonin receptors. This was the aim of the present study, using the immunogold method applied to the human parotid gland. Reactivity to MT1 and, with less intensity, to MT2 appeared in the secretory granules of acinar cells and in the cytoplasmic vesicles of both acinar and ductal cells. Plasma membranes were also stained, albeit slightly. The peculiar intracytoplasmic distribution of these receptors may indicate that there is an uptake/transport system for melatonin from the circulation into the saliva.
Tipologia:1.1 Articolo in rivista

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