ArticleScientific reports2022
Occurrence of a D-arabinose-containing complex-type free-N-glycan in the urine of cancer patients.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 11 citations in OpenAlex.
- Cytosolic Peptide: N-Glycanase (NGLY1)-from Basic Biology to Genetic Disorder, NGLY1 Deficiency.Advances in experimental medicine and biology · 2026Review
- Identification of a free-N-glycan with difucosylated type-1 lactosamine in cancerous tissue and its validation for cancer diagnosis by urinary testing.Scientific reports · 2025Article
- Combination of urinary free-glycan markers for the diagnosis of various malignant tumors.Scientific reports · 2025Article
- Free oligosaccharides in serum.BBA advances · 2025Article
- Article
- D-arabinose induces cell cycle arrest by promoting autophagy via p38 MAPK signaling pathway in breast cancer.Scientific reports · 2024Article
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Authors and funding
10 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Urinary free-glycans are promising markers of disease. In this study, we attempted to identify novel tumor markers by focusing on neutral free-glycans in urine. Free-glycans extracted from the urine of normal subjects and cancer patients with gastric, colorectal, pancreatic and bile duct were fluorescently labeled with 2-aminopyridine. Profiles of these neutral free-glycans constructed using multidimensional high performance liquid chromatography separation were compared between normal controls and cancer patients. The analysis identified one glycan in the urine of cancer patients with a unique structure, which included a pentose residue. To reveal the glycan structure, the linkage fashion, monosaccharide species and enantiomer of the pentose were analyzed by high performance liquid chromatography and mass spectrometry combined with several chemical treatments. The backbone of the glycan was a monoantennary complex-type free-N-glycan containing β1,4-branch. The pentose residue was attached to the antennal GlcNAc and released by α1,3/4-L-fucosidase. Intriguingly, the pentose residue was consistent with D-arabinose. Collectively, this glycan structure was determined to be Galβ1-4(D-Araβ1-3)GlcNAcβ1-4Manα1-3Manβ1-4GlcNAc-PA. Elevation of D-arabinose-containing free-glycans in the urine of cancer patients was confirmed by selected reaction monitoring. This is the first study to unequivocally show the occurrence of a D-arabinose-containing oligosaccharide in human together with its detailed structure.
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