Bmi-1 regulates mucin levels and mucin O-glycosylation in the submandibular gland of mice.

Mucins, the major components of salivary mucus, are large glycoproteins abundantly modified with O-glycans. Mucins present on the surface of oral tissues contribute greatly to the maintenance of oral hygiene by selectively adhering to the surfaces of microbes via mucin O-glycans. However, due to the...

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Main Authors: Akihiko Kameyama, Risa Nishijima, Kimi Yamakoshi
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2021-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0245607
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author Akihiko Kameyama
Risa Nishijima
Kimi Yamakoshi
author_facet Akihiko Kameyama
Risa Nishijima
Kimi Yamakoshi
author_sort Akihiko Kameyama
collection DOAJ
description Mucins, the major components of salivary mucus, are large glycoproteins abundantly modified with O-glycans. Mucins present on the surface of oral tissues contribute greatly to the maintenance of oral hygiene by selectively adhering to the surfaces of microbes via mucin O-glycans. However, due to the complex physicochemical properties of mucins, there have been relatively few detailed analyses of the mechanisms controlling the expression of mucin genes and the glycosyltransferase genes involved in glycosylation. Analysis performed using supported molecular matrix electrophoresis, a methodology developed for mucin analysis, and knockout mice without the polycomb group protein Bmi-1 revealed that Bmi-1 regulates mucin levels in the submandibular gland by suppressing the expression of the mucin Smgc gene, and that Bmi-1 also regulates mucin O-glycosylation via suppression of the glycosyltransferase Gcnt3 gene in the submandibular gland.
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spelling doaj.art-6ede6f82ed7e404591e5554e554817ff2022-12-21T21:35:32ZengPublic Library of Science (PLoS)PLoS ONE1932-62032021-01-01161e024560710.1371/journal.pone.0245607Bmi-1 regulates mucin levels and mucin O-glycosylation in the submandibular gland of mice.Akihiko KameyamaRisa NishijimaKimi YamakoshiMucins, the major components of salivary mucus, are large glycoproteins abundantly modified with O-glycans. Mucins present on the surface of oral tissues contribute greatly to the maintenance of oral hygiene by selectively adhering to the surfaces of microbes via mucin O-glycans. However, due to the complex physicochemical properties of mucins, there have been relatively few detailed analyses of the mechanisms controlling the expression of mucin genes and the glycosyltransferase genes involved in glycosylation. Analysis performed using supported molecular matrix electrophoresis, a methodology developed for mucin analysis, and knockout mice without the polycomb group protein Bmi-1 revealed that Bmi-1 regulates mucin levels in the submandibular gland by suppressing the expression of the mucin Smgc gene, and that Bmi-1 also regulates mucin O-glycosylation via suppression of the glycosyltransferase Gcnt3 gene in the submandibular gland.https://doi.org/10.1371/journal.pone.0245607
spellingShingle Akihiko Kameyama
Risa Nishijima
Kimi Yamakoshi
Bmi-1 regulates mucin levels and mucin O-glycosylation in the submandibular gland of mice.
PLoS ONE
title Bmi-1 regulates mucin levels and mucin O-glycosylation in the submandibular gland of mice.
title_full Bmi-1 regulates mucin levels and mucin O-glycosylation in the submandibular gland of mice.
title_fullStr Bmi-1 regulates mucin levels and mucin O-glycosylation in the submandibular gland of mice.
title_full_unstemmed Bmi-1 regulates mucin levels and mucin O-glycosylation in the submandibular gland of mice.
title_short Bmi-1 regulates mucin levels and mucin O-glycosylation in the submandibular gland of mice.
title_sort bmi 1 regulates mucin levels and mucin o glycosylation in the submandibular gland of mice
url https://doi.org/10.1371/journal.pone.0245607
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