Generation and degradation of free asparagine-linked glycans

Y Harada, H Hirayama, T Suzuki - Cellular and molecular life sciences, 2015 - Springer
Asparagine (N)-linked protein glycosylation, which takes place in the eukaryotic
endoplasmic reticulum (ER), is important for protein folding, quality control and the …

Glycan quality control in and out of the endoplasmic reticulum of mammalian cells

Y Harada, Y Ohkawa, K Maeda… - The FEBS Journal, 2022 - Wiley Online Library
The endoplasmic reticulum (ER) is equipped with multiple quality control systems (QCS) that
are necessary for shaping the glycoproteome of eukaryotic cells. These systems facilitate the …

Metabolic clogging of mannose triggers dNTP loss and genomic instability in human cancer cells

Y Harada, Y Mizote, T Suzuki, A Hirayama, S Ikeda… - Elife, 2023 - elifesciences.org
Mannose has anticancer activity that inhibits cell proliferation and enhances the efficacy of
chemotherapy. How mannose exerts its anticancer activity, however, remains poorly …

[HTML][HTML] Tolerable glycometabolic stress boosts cancer cell resilience through altered N-glycosylation and Notch signaling activation

S Iwamoto, T Kobayashi, H Hanamatsu, I Yokota… - Cell Death & …, 2024 - nature.com
Chronic metabolic stress paradoxically elicits pro-tumorigenic signals that facilitate cancer
stem cell (CSC) development. Therefore, elucidating the metabolic sensing and signaling …

Cryo-EM structures of human GMPPA–GMPPB complex reveal how cells maintain GDP-mannose homeostasis

L Zheng, Z Liu, Y Wang, F Yang, J Wang… - Nature Structural & …, 2021 - nature.com
Abstract GDP-mannose (GDP-Man) is a key metabolite essential for protein glycosylation
and glycophosphatidylinositol anchor synthesis, and aberrant cellular GDP-Man levels have …

Dynamic tracing of sugar metabolism reveals the mechanisms of action of synthetic sugar analogs

M van Scherpenzeel, F Conte, C Büll, A Ashikov… - …, 2022 - academic.oup.com
Synthetic sugar analogs are widely applied in metabolic oligosaccharide engineering (MOE)
and as novel drugs to interfere with glycoconjugate biosynthesis. However, mechanistic …

[HTML][HTML] Glycometabolic regulation of the biogenesis of small extracellular vesicles

Y Harada, K Nakajima, T Suzuki, T Fukushige, K Kondo… - Cell Reports, 2020 - cell.com
The biogenesis of small extracellular vesicles (sEVs) is regulated by multiple molecular
machineries generating considerably heterogeneous vesicle populations, including …

β-Oxidation and autophagy are critical energy providers during acute glucose depletion in Saccharomyces cerevisiae

CA Weber, K Sekar, JH Tang… - Proceedings of the …, 2020 - National Acad Sciences
The ability to tolerate and thrive in diverse environments is paramount to all living
organisms, and many organisms spend a large part of their lifetime in starvation. Upon acute …

[HTML][HTML] Transcriptional analysis of Foxp3+ Tregs and functions of two identified molecules during resolution of ALI

JR Mock, CF Dial, MK Tune, DL Norton, JR Martin… - JCI insight, 2019 - ncbi.nlm.nih.gov
Recovery from acute lung injury (ALI) is an active process. Foxp3+ Tregs contribute to
recovery from ALI through modulating immune responses and enhancing alveolar epithelial …

Cytosolic-free oligosaccharides are predominantly generated by the degradation of dolichol-linked oligosaccharides in mammalian cells

Y Harada, Y Masahara-Negishi, T Suzuki - Glycobiology, 2015 - academic.oup.com
During asparagine (N)-linked protein glycosylation, eukaryotic cells generate considerable
amounts of free oligosaccharides (fOSs) in the cytosol. It is generally assumed that such …