Permeability of the small intestinal mucus for physiologically relevant studies: Impact of mucus location and ex vivo treatment - Publikacja - MOST Wiedzy

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Permeability of the small intestinal mucus for physiologically relevant studies: Impact of mucus location and ex vivo treatment

Abstrakt

The small intestinal mucus is a complex colloidal system that coats the intestinal mucosa. It allows passage on nutrients/pharmaceuticals from the gut lumen towards the epithelium, whilst preventing it from direct contact with luminal microorganisms. Mucus collected from intestinal tissue is often used in studies looking at inter-mucosal transport of food particulates, drug carriers, etc. However, detaching the highly hydrated native mucus from the tissue and storing it frozen prior to use may disrupt its physiological microstructure, and thus selective barrier properties. Multiple-particle tracking experiments showed that microstructural organisation of native, jejunal mucus depends on its spatial location in the intestinal mucosa. The inter-villus mucus was less heterogeneous than the mucus covering villi tips in the pig model used. Collecting mucus from tissue and subjecting it to freezing and thawing did not significantly affect (P > 0.05) its permeability to model, sub-micron sized particles, and the microviscosity profile of the mucus reflected the overall profiles recorded for the native mucus in the tissue. This implies the method of collecting and storing mucus is a reliable ex vivo treatment for the convenient planning and performing of mucus-permeability studies that aim to mimic physiological conditions of the transport of molecules/particles in native mucus.

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
Scientific Reports nr 9, strony 1 - 12,
ISSN: 2045-2322
Język:
angielski
Rok wydania:
2019
Opis bibliograficzny:
Macierzanka A., Mackie A., Krupa Ł.: Permeability of the small intestinal mucus for physiologically relevant studies: Impact of mucus location and ex vivo treatment// Scientific Reports -Vol. 9,iss. 1 (2019), s.1-12
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1038/s41598-019-53933-5
Bibliografia: test
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Weryfikacja:
Politechnika Gdańska

wyświetlono 107 razy

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