Reduced nitric oxide synthase activity in rats with chronic renal disease due to glomerulonephritis

L. Wágner, Amy Riggleman, Aaron Erdely, William Couser, Chris Baylis

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

Background. Animal studies with systemic nitric oxide synthase (NOS) inhibition and renal ablation, suggest that NO deficiency is both a cause and a consequence of chronic renal disease (CRD). Methods. This study examined a glomerulonephritis (GN) model of CRD to determine if NO is deficient. In addition to measuring indices of renal function (proteinuria, creatinine clearance, structural damage), indices of total and renal nitric oxide production also were assessed (total NOX excretion, renal NOS activity, renal NOS protein abundance, plasma levels of NOS substrate and endogenous inhibitor). Results. Rats developed increasing proteinuria 12 to 20 weeks after induction of GN (with anti-glomerular basement membrane, GBM, antibody) and at 20 weeks exhibited reduced creatinine clearances and increased glomerulosclerosis relative to age-matched controls. Total NOX excretion was reduced and the renal cortical NOS activity and neuronal NOS (nNOS) abundance was decreased relative to controls. There was no impact on renal or aortic endothelial NOS expression or cerebellar nNOS. The plasma L-arginine (Arg) concentration was well maintained but plasma asymmetric dimethylarginine (ADMA) concentration increased in GN versus control animals. Conclusions. Total and renal NOS activity is reduced in the GN model of CRD due to increased circulating endogenous NOS inhibitors and decreased renal nNOS abundance.

Original languageEnglish
Pages (from-to)532-536
Number of pages5
JournalKidney International
Volume62
Issue number2
DOIs
Publication statusPublished - 2002

Fingerprint

Glomerulonephritis
Chronic Renal Insufficiency
Nitric Oxide Synthase
Kidney
Proteinuria
Creatinine
Nitric Oxide Synthase Type I
Glomerular Basement Membrane
Nitric Oxide Synthase Type III
Arginine
Blood Proteins
Nitric Oxide
Antibodies

Keywords

  • Arginine
  • Asymetric dimethylarginine
  • Endothelial NOS
  • ESRD
  • Neuronal NOS
  • Nitrate + nitrite
  • Nitric oxide
  • Progressive renal disease

ASJC Scopus subject areas

  • Nephrology

Cite this

Reduced nitric oxide synthase activity in rats with chronic renal disease due to glomerulonephritis. / Wágner, L.; Riggleman, Amy; Erdely, Aaron; Couser, William; Baylis, Chris.

In: Kidney International, Vol. 62, No. 2, 2002, p. 532-536.

Research output: Contribution to journalArticle

Wágner, L. ; Riggleman, Amy ; Erdely, Aaron ; Couser, William ; Baylis, Chris. / Reduced nitric oxide synthase activity in rats with chronic renal disease due to glomerulonephritis. In: Kidney International. 2002 ; Vol. 62, No. 2. pp. 532-536.
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