Biological roles of glycans

A Varki - Glycobiology, 2017 - academic.oup.com
Simple and complex carbohydrates (glycans) have long been known to play major
metabolic, structural and physical roles in biological systems. Targeted microbial binding to …

Sialic acids in the brain: gangliosides and polysialic acid in nervous system development, stability, disease, and regeneration

RL Schnaar, R Gerardy-Schahn… - Physiological …, 2014 - journals.physiology.org
Every cell in nature carries a rich surface coat of glycans, its glycocalyx, which constitutes
the cell's interface with its environment. In eukaryotes, the glycocalyx is composed of …

Proteases and glycosidases on the surface of exosomes: Newly discovered mechanisms for extracellular remodeling

RD Sanderson, SK Bandari, I Vlodavsky - Matrix biology, 2019 - Elsevier
Emergence of the field of exosome biology has opened an exciting door to better
understand communication between cells. These tiny nanovesicles act as potent regulators …

[HTML][HTML] Glycosylation as a main regulator of growth and death factor receptors signaling

I Gomes Ferreira, M Pucci, G Venturi… - International journal of …, 2018 - mdpi.com
Glycosylation is a very frequent and functionally important post-translational protein
modification that undergoes profound changes in cancer. Growth and death factor receptors …

Polysialic acid: Biosynthesis, novel functions and applications

KJ Colley, K Kitajima, C Sato - Critical reviews in biochemistry and …, 2014 - Taylor & Francis
As an anti-adhesive, a reservoir for key biological molecules, and a modulator of signaling,
polysialic acid (polySia) is critical for nervous system development and maintenance …

[HTML][HTML] Polysialylation and disease

C Sato, K Kitajima - Molecular Aspects of Medicine, 2021 - Elsevier
Polysialic acid (polySia, PSA) is a unique constituent of the glycocalyx on the surface of
bacterial and vertebrate cells. In vertebrates, its biosynthesis is highly regulated, not only in …

Disialic, oligosialic and polysialic acids: distribution, functions and related disease

C Sato, K Kitajima - The journal of biochemistry, 2013 - academic.oup.com
Sialic acids (Sia) are involved in many biological activities and frequently exist as monosialyl
residues at the non-reducing terminal end of glycoconjugates. Occasionally, polymerized …

Polysialic acid is a cellular receptor for human adenovirus 52

A Lenman, AM Liaci, Y Liu… - Proceedings of the …, 2018 - National Acad Sciences
Human adenovirus 52 (HAdV-52) is one of only three known HAdVs equipped with both a
long and a short fiber protein. While the long fiber binds to the coxsackie and adenovirus …

[HTML][HTML] Lactoferrin promotes early neurodevelopment and cognition in postnatal piglets by upregulating the BDNF signaling pathway and polysialylation

Y Chen, Z Zheng, X Zhu, Y Shi, D Tian, F Zhao… - Molecular …, 2015 - Springer
Lactoferrin (Lf) is a sialic acid (Sia)-rich, iron-binding milk glycoprotein that has
multifunctional health benefits. Its potential role in neurodevelopment and cognition remains …

[HTML][HTML] Rapid trimming of cell surface polysialic acid (PolySia) by exovesicular sialidase triggers release of preexisting surface neurotrophin

M Sumida, M Hane, U Yabe, Y Shimoda… - Journal of Biological …, 2015 - ASBMB
As acidic glycocalyx on primary mouse microglial cells and a mouse microglial cell line Ra2,
expression of polysialic acid (polySia/PSA), a polymer of the sialic acid Neu5Ac (N …