The hexosamine biosynthesis pathway: regulation and function

A Paneque, H Fortus, J Zheng, G Werlen, E Jacinto - Genes, 2023 - mdpi.com
The hexosamine biosynthesis pathway (HBP) produces uridine diphosphate-N-acetyl
glucosamine, UDP-GlcNAc, which is a key metabolite that is used for N-or O-linked …

Role of Fc core fucosylation in the effector function of IgG1 antibodies

J Golay, AE Andrea, I Cattaneo - Frontiers in Immunology, 2022 - frontiersin.org
The presence of fucose on IgG1 Asn-297 N-linked glycan is the modification of the human
IgG1 Fc structure with the most significant impact on FcɣRIII affinity. It also significantly …

Pharmacologic IRE1/XBP1s activation confers targeted ER proteostasis reprogramming

JMD Grandjean, A Madhavan, L Cech… - Nature chemical …, 2020 - nature.com
Activation of the IRE1/XBP1s signaling arm of the unfolded protein response (UPR) is a
promising strategy to correct defects in endoplasmic reticulum (ER) proteostasis implicated …

Emerging roles of N-linked glycosylation in brain physiology and disorders

LR Conroy, TR Hawkinson, LEA Young… - Trends in Endocrinology …, 2021 - cell.com
N-linked glycosylation is a complex, co-and post-translational series of events that connects
metabolism to signaling in almost all cells. Metabolic assembly of N-linked glycans spans …

Beyond the cell factory: Homeostatic regulation of and by the UPRER

MG Metcalf, R Higuchi-Sanabria, G Garcia, CK Tsui… - Science …, 2020 - science.org
The endoplasmic reticulum (ER) is commonly referred to as the factory of the cell, as it is
responsible for a large amount of protein and lipid synthesis. As a membrane-bound …

What is the sugar code?

HJ Gabius, M Cudic, T Diercks, H Kaltner… - …, 2022 - Wiley Online Library
A code is defined by the nature of the symbols, which are used to generate information‐
storing combinations (eg oligo‐and polymers). Like nucleic acids and proteins, oligo‐and …

CRISPR screens and lectin microarrays identify high mannose N-glycan regulators

CK Tsui, N Twells, J Durieux, E Doan, J Woo… - Nature …, 2024 - nature.com
Glycans play critical roles in cellular signaling and function. Unlike proteins, glycan
structures are not templated from genetic sequences but synthesized by the concerted …

Glycomic analysis of host response reveals high mannose as a key mediator of influenza severity

DW Heindel, S Koppolu, Y Zhang… - Proceedings of the …, 2020 - National Acad Sciences
Influenza virus infections cause a wide variety of outcomes, from mild disease to 3 to 5
million cases of severe illness and∼ 290,000 to 645,000 deaths annually worldwide. The …

Viral evolution shaped by host proteostasis networks

J Yoon, JE Patrick, CB Ogbunugafor… - Annual Review of …, 2023 - annualreviews.org
Understanding the factors that shape viral evolution is critical for developing effective
antiviral strategies, accurately predicting viral evolution, and preventing pandemics. One …

Unfolded protein response differentially modulates the platelet phenotype

K Jain, T Tyagi, J Du, X Hu, K Patell, KA Martin… - Circulation …, 2022 - Am Heart Assoc
Background: Unfolded protein response (UPR) is a multifaceted signaling cascade that
alleviates protein misfolding. Although well studied in nucleated cells, UPR in absence of …