The dynamic life of the glycogen granule

C Prats, TE Graham, J Shearer - Journal of Biological Chemistry, 2018 - ASBMB
Glycogen, the primary storage form of glucose, is a rapid and accessible form of energy that
can be supplied to tissues on demand. Each glycogen granule, or" glycosome," is …

Astrocytic glycogen metabolism in the healthy and diseased brain

LK Bak, AB Walls, A Schousboe… - Journal of Biological …, 2018 - ASBMB
The brain contains a fairly low amount of glycogen, mostly located in astrocytes, a fact that
has prompted the suggestion that glycogen does not have a significant physiological role in …

Spatial metabolomics reveals glycogen as an actionable target for pulmonary fibrosis

LR Conroy, HA Clarke, DB Allison, SS Valenca… - Nature …, 2023 - nature.com
Matrix assisted laser desorption/ionization imaging has greatly improved our understanding
of spatial biology, however a robust bioinformatic pipeline for data analysis is lacking. Here …

Brain glycogen serves as a critical glucosamine cache required for protein glycosylation

RC Sun, LEA Young, RC Bruntz, KH Markussen… - Cell metabolism, 2021 - cell.com
Glycosylation defects are a hallmark of many nervous system diseases. However, the
molecular and metabolic basis for this pathology is not fully understood. In this study, we …

[HTML][HTML] Nuclear glycogenolysis modulates histone acetylation in human non-small cell lung cancers

RC Sun, VV Dukhande, Z Zhou, LEA Young… - Cell metabolism, 2019 - cell.com
Nuclear glycogen was first documented in the early 1940s, but its role in cellular physiology
remained elusive. In this study, we utilized pure nuclei preparations and stable isotope …

Glycogen-autophagy: Molecular machinery and cellular mechanisms of glycophagy

P Koutsifeli, U Varma, LJ Daniels, M Annandale… - Journal of Biological …, 2022 - ASBMB
Autophagy is an essential cellular process involving degradation of superfluous or defective
macromolecules and organelles as a form of homeostatic recycling. Initially proposed to be …

Targeting pathogenic Lafora bodies in Lafora disease using an antibody-enzyme fusion

MK Brewer, A Uittenbogaard, GL Austin, DM Segvich… - Cell metabolism, 2019 - cell.com
Lafora disease (LD) is a fatal childhood epilepsy caused by recessive mutations in either the
EPM2A or EPM2B gene. A hallmark of LD is the intracellular accumulation of insoluble …

Discovery and development of small-molecule inhibitors of glycogen synthase

B Tang, MS Frasinyuk, VM Chikwana… - Journal of medicinal …, 2020 - ACS Publications
The overaccumulation of glycogen appears as a hallmark in various glycogen storage
diseases (GSDs), including Pompe, Cori, Andersen, and Lafora disease. Accumulating …

Phosphorylated polysaccharides: Applications, natural abundance, and new-to-nature structures generated by chemical and enzymatic functionalisation

T Laffargue, C Moulis, M Remaud-Siméon - Biotechnology Advances, 2023 - Elsevier
Polysaccharides are foreseen as serious candidates for the future generation of polymers,
as they are biosourced and biodegradable materials. Their functionalisation is an attractive …

Astrocytic glycogen accumulation drives the pathophysiology of neurodegeneration in Lafora disease

J Duran, A Hervera, KH Markussen, O Varea… - Brain, 2021 - academic.oup.com
The hallmark of Lafora disease, a fatal neurodegenerative disorder, is the accumulation of
intracellular glycogen aggregates called Lafora bodies. Until recently, it was widely believed …