Cited by 64Advanced Glycation End Products researchChronic Kidney Disease and DiabetesAcute Kidney Injury Research

Ablation of the gene encoding p66Shc protects mice against AGE-induced glomerulopathy by preventing oxidant-dependent tissue injury and further AGE accumulation

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Menini, S., Iacobini, C., Ricci, C., Oddi, G., Pesce, C., Pugliese, F., Block, K., Abboud, H. E. +4 more·2007·Diabetologia

Abstract

Aims/hypothesis AGEs have been implicated in renal disease associated with ageing, diabetes and other age-related disorders. Reactive oxygen species (ROS) promote formation of AGEs, which cause AGE-receptor-mediated ROS generation with activation of signalling pathways leading to tissue injury and further AGE accumulation. ROS generation is regulated by the Src homology 2 domain-containing transforming protein C1 (Shc1) isoform p66(Shc), whose deletion has been shown to protect from tissue injury induced by ageing, diabetes, hyperlipidaemia and ischaemia-reperfusion by preventing oxidative stress. This study was aimed at assessing the role of p66(Shc) in the modulation of oxidative stress and oxidant-dependent renal injury induced by AGEs.Methods For 10 weeks, male p66 (shc) knockout (KO) and wild-type (WT) mice were injected with 60 microg/day albumin modified or unmodified by N epsilon-(carboxymethyl) lysine (CML). Mice were then killed for the assessment of renal function and structure, as well as systemic and renal tissue oxidative stress.Results Upon CML injection, KO mice, in contrast to WT mice, showed no or only mild forms of proteinuria, glomerular hypertrophy, mesangial expansion, glomerular sclerosis, renal/glomerular cell apoptosis and extracellular matrix upregulation. Moreover, KO mice had lower circulating and tissue AGEs than WT mice and unchanged plasma isoprostane 8-epi-prostaglandin-F(2alpha) levels, renal/glomerular CML, 4-hydroxy-2-nonenal, AGE receptor and NAD(P)H oxidase 4 (NOX4) content (and expression of the corresponding genes), and nuclear factor kappaB activation (NFkappaB). Mesangial cells from KO mice exposed to CML showed no or slight increase in ROS levels and NFkappaB activation, again at variance with WT cells.Conclusions/interpretation These data indicate that p66(Shc) participates in the pathogenesis of AGE-dependent glomerulopathy by mediating AGE-induced tissue injury and further AGE formation through ROS-dependent mechanisms involving NFkappaB activation and upregulation of Nox4 expression and NOX4 production.

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Authors
Menini, S., Iacobini, C., Ricci, C., Oddi, G., Pesce, C., Pugliese, F., Block, K., Abboud, H. E., Giorgio, M., Migliaccio, E., Pelicci, P. G., & Pugliese, G.
Affiliations
  • Sapienza University of Rome (IT)
  • University of Genoa (IT)
  • The University of Texas at San Antonio Health Science Center (US)
  • European Institute of Oncology (IT)
Corresponding author
Pugliese, G.
Venue
Diabetologia
Published
2007-07-05
Volume
50
Issue
9
Pages
1997-2007
ISSN
  • 0012-186X (ISSN-L)
  • 1432-0428
OpenAlex
W2058050674
Cited by
64
References
51
Citations by year
2025: 2 · 2023: 2 · 2022: 2 · 2021: 4 · 2020: 5 · 2019: 6 · 2018: 2 · 2017: 4 · 2016: 6 · 2015: 3 · 2014: 7 · 2013: 4 · 2012: 5
FWCI
2.19
Type
journal article
Language
en
Open access
Locations
  • Diabetologia (publishedVersion)
  • PubMed (publishedVersion)
  • CINECA IRIS Institutial Research Information System (University of Genoa) (submittedVersion)
  • IRIS Research product catalog (Sapienza University of Rome) (submittedVersion)
  • Padua Research Archive (University of Padova) (submittedVersion, other-oa)
Funders
  • European Foundation for the Study of Diabetes
  • Servier
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Clinical Biochemistry › Advanced Glycation End Products research
  • Health Sciences › Medicine › Nephrology › Chronic Kidney Disease and Diabetes
  • Health Sciences › Medicine › Nephrology › Acute Kidney Injury Research
Keywords
p66Shc, advanced glycation end products, glomerular disease, oxidative stress, reactive oxygen species, kidney injury, NF-κB activation, AGE receptor, mesangial cells, proteinuria, glomerulosclerosis, carboxymethyllysine
MeSH terms
Receptor for Advanced Glycation End Products, Src Homology 2 Domain-Containing, Transforming Protein 1, Animals, Genotype, Glomerular Mesangium, Immunohistochemistry, Kidney Diseases, Kidney Glomerulus, Mice, Inbred Strains, Receptors, Immunologic, NF-kappa B, Reactive Oxygen Species, DNA Primers, Adaptor Proteins, Signal Transducing, Mice, Shc Signaling Adaptor Proteins

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