Plasma phospholipid metabolic profiling and biomarkers of mouse IgA nephropathy

Lewen Jia, Chang Wang, Hongwei Kong, Zongwei CAI, Guowang Xu*

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

23 Citations (Scopus)


IgA nephropathy is the most common form of glomerulonephritis (GN) and it could progress to end-stage renal failure within 10 years. Participating in biological processes in various pathways, phospholipids as a class of important constituents in the biomembranes have been paid increasing attention in many fields. However, phospholipids metabolism in glomerular disease was not clear, especially in IgA nephropathy. In this paper, the plasma phospholipid metabolic profile in mouse IgA nephropathy was investigated to discover the potential biomarkers on the progression of this disease by using high performance liquid chromatography/mass spectrometry (HPLC/MS) and the principal components analysis (PCA) as well as partial least squares-discriminant analysis (PLS-DA). The experimental mouse models of IgA nephropathy were established by oral immune and BSA injection. It was found that expression of intercellular adhesion molecule-1 (ICAM-1) in the glomeruli had a significant correlation with proteinuria in mouse IgA nephropathy. The association between plasma phospholipids and expression of ICAM-1 in the glomeruli of IgA nephropathy suggested C18:0/C18:0 PS (phosphatidylserine), C18:0/C22:5 PS (phosphatidylserine) and C18:0/ C20:4 PI (phosphatidylinositol) were possible biomarkers of IgA nephropathy. The results show that the plasma phospholipid metabolic profiles from HPLC/MS combining with PCA and PLS-DA can be used not only to differentiate the IgA nephropathy from the controls, but also to discover and identify the potential biomarkers.

Original languageEnglish
Pages (from-to)95-104
Number of pages10
Issue number2
Publication statusPublished - Jun 2006

Scopus Subject Areas

  • Endocrinology, Diabetes and Metabolism
  • Biochemistry
  • Clinical Biochemistry

User-Defined Keywords

  • High performance liquid chromatography
  • IgA nephropathy
  • Intercellular adhesion molecule-1
  • Mass spectrometry
  • Metabonomics
  • Phospholipid


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