[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 …

Biochemical, Cellular, Physiological, and Pathological Consequences of Human Loss of N‐Glycolylneuraminic Acid

J Okerblom, A Varki - ChemBioChem, 2017 - Wiley Online Library
Abstract About 2–3 million years ago, Alu‐mediated deletion of a critical exon in the CMAH
gene became fixed in the hominin lineage ancestral to humans, possibly through a stepwise …

Neurodevelopmental defects in human cortical organoids with N-acetylneuraminic acid synthase mutation

Q Bu, Y Dai, H Zhang, M Li, H Liu, Y Huang, A Zeng… - Science …, 2023 - science.org
Biallelic genetic variants in N-acetylneuraminic acid synthase (NANS), a critical enzyme in
endogenous sialic acid biosynthesis, are clinically associated with neurodevelopmental …

[HTML][HTML] Mechanisms underlying unidirectional laminar shear stress-mediated Nrf2 activation in endothelial cells: Amplification of low shear stress signaling by primary …

T Ishii, E Warabi, GE Mann - Redox Biology, 2021 - Elsevier
Endothelial cells are sensitive to mechanical stress and respond differently to oscillatory flow
versus unidirectional flow. This review highlights the mechanisms by which a wide range of …

Relationship between ST8SIA2, polysialic acid and its binding molecules, and psychiatric disorders

C Sato, M Hane, K Kitajima - Biochimica et Biophysica Acta (BBA)-General …, 2016 - Elsevier
Polysialic acid (polySia, PSA) is a unique and functionally important glycan, particularly in
vertebrate brains. It is involved in higher brain functions such as learning, memory, and …

Sialic acids in neurology

C Sato, K Kitajima - Advances in carbohydrate chemistry and biochemistry, 2019 - Elsevier
Sialic acid (Sia) is involved in many biological activities and commonly occurs as a
monosialyl residue at the nonreducing terminal end of glycoconjugates. The loss of activity …

Beta1-Adrenergic Receptor Cleavage and Regulation by Elastase

J Zhu, SF Steinberg - Basic to Translational Science, 2023 - jacc.org
The decrease in β1-adrenergic receptor responsiveness in heart failure is attributed
conventionally to agonist-dependent desensitization. We identify elastase-dependent β1 …

[HTML][HTML] Asn347 glycosylation of corticosteroid-binding globulin fine-tunes the host immune response by modulating proteolysis by Pseudomonas aeruginosa and …

Z Sumer-Bayraktar, OC Grant… - Journal of Biological …, 2016 - ASBMB
Corticosteroid-binding globulin (CBG) delivers anti-inflammatory cortisol to inflamed tissues
upon elastase-based proteolysis of the exposed reactive center loop (RCL). However, the …

Different properties of polysialic acids synthesized by the polysialyltransferases ST8SIA2 and ST8SIA4

A Mori, M Hane, Y Niimi, K Kitajima, C Sato - Glycobiology, 2017 - academic.oup.com
Polysialic acid (polySia) is mainly found as a modification of neural cell adhesion molecule
(NCAM) in whole embryonic brains, as well as restricted areas of adult vertebrate brains …

Effects of intronic single nucleotide polymorphisms (iSNPs) of a polysialyltransferase, ST8SIA2 gene found in psychiatric disorders on its gene products

M Hane, K Kitajima, C Sato - Biochemical and biophysical research …, 2016 - Elsevier
Polysialic acid (polySia) is a linear homopolymer of sialic acid and mainly modifies neural
cell adhesion molecule. PolySia plays important roles in synapse formation, learning and …