Cited by 116Advanced Glycation End Products researchPotato Plant ResearchGlycosylation and Glycoproteins Research

TAGE (toxic AGEs) hypothesis in various chronic diseases

Takeuchi, M, Yamagishi, S·2004·Medical Hypotheses

Abstract

The advanced stage of the glycation process (one of the post-translational modifications of proteins) leads to the formation of advanced glycation end-products (AGEs) and plays an important role in the pathogenesis of angiopathy in diabetic patients, in aging, and in neurodegenerative diseases. However, it is still not clear which AGEs subtypes play a pathogenetic role and which of several AGEs receptor mediate AGEs effects on cells. We have provided direct immunochemical evidence for the existence of six distinct AGEs structures (AGEs-1 to -6) within the AGEs-modified proteins and peptides that circulate in the serum of diabetic patients. Recently we demonstrated for the first time that glyceraldehyde-derived AGEs (AGEs-2) and glycolaldehyde-derived AGEs (AGE-3) have diverse biological activities on vascular wall cells, mesangial cells, Schwann cells, malignant melanoma cells and cortical neurons. We also demonstrated for the first time that acetaldehyde (AA)-derived AGEs (AA-AGE) have cytotoxic activity on cortical neurons and the AA-AGE epitope was detected in human brain of alcoholics. These results indicate that of the various types of AGEs structures that can form in vivo, the toxic AGEs (TAGE) structures (AGEs 2, 3, and AA-AGE), but not non-toxic AGEs (N-carboxymethyllysine, pentosidine, pyrraline etc.) are likely to play an important role in the pathophysiological processes associated with AGEs formation.

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Crossref · 10.1016/j.mehy.2004.02.042

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Authors
Takeuchi, M., & Yamagishi, S.
Affiliations
  • Hokuriku University (JP)
  • Kurume University (JP)
Corresponding author
Takeuchi, M
Venue
Medical Hypotheses
Publisher
Elsevier BV
Published
2004
Volume
63
Issue
3
Pages
449-452
ISSN
0306-9877 (ISSN-L)
OpenAlex
W2043932921
Cited by
116
References
20
Citations by year
2025: 3 · 2024: 6 · 2023: 8 · 2022: 6 · 2021: 9 · 2020: 7 · 2019: 2 · 2018: 1 · 2017: 4 · 2016: 9 · 2015: 10 · 2014: 4 · 2013: 4 · 2012: 4
FWCI
3.81
Type
journal article
Language
en
Open access
closed
Locations
  • Medical Hypotheses (publishedVersion)
  • PubMed (publishedVersion)
Funders
Yale University
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Clinical Biochemistry › Advanced Glycation End Products research
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Potato Plant Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Glycosylation and Glycoproteins Research
Keywords
advanced glycation end products, diabetic vascular disease, neurodegenerative diseases, aging, chronic disease, cortical neurons, Schwann cells, mesangial cells, melanoma cells, alcoholism, pentosidine, pyrraline
MeSH terms
Aging, Alcoholism, Aldehydes, Animals, Chronic Disease, Clinical Trials as Topic, Diabetic Angiopathies, Glyceraldehyde, Humans, Models, Biological, Biomarkers, Glycation End Products, Advanced, Neurodegenerative Diseases

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