Determination of cerebrospinal fluid concentrations of arginine and dimethylarginines in patients with subarachnoid haemorrhage

Jens Martens-Lobenhoffer, E. Sulyok, Endre Czeiter, A. Büki, Jana Kohl, Raimund Firsching, Uwe Tröger, Stefanie M. Bode-Böger

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Elevated cerebrospinal fluid (CSF) concentrations of asymmetric dimethylarginine (ADMA), an endogenous inhibitor of nitric oxide synthase (NOS), are assumed to be related to delayed vasospasm after subarachnoid haemorrhage (SAH). However, data on CSF concentrations of l-arginine, ADMA and its structural isomer symmetric dimethylarginine (SDMA) are very sparse in humans. We here present a new hydrophilic interaction chromatography-tandem mass spectrometry (HILIC-MS-MS) method for the precise determination of these substances in CSF. The method requires only minimal sample preparation and features isotope labeled internal standards. First data of patients with SAH showed that on the day of admission CSF concentration values of l-arginine and ADMA were not significantly different from controls, but increased markedly during the course of the hospital stay. The decrease of the l-arginine to ADMA ratio points to a progressive impairment of the NO production rate in the brain after SAH which is confirmed by a simultaneous decrease in nitrate and nitrite concentrations in CSF.

Original languageEnglish
Pages (from-to)155-160
Number of pages6
JournalJournal of Neuroscience Methods
Volume164
Issue number1
DOIs
Publication statusPublished - Aug 15 2007

Fingerprint

Subarachnoid Hemorrhage
Cerebrospinal Fluid
Arginine
Nitrites
Tandem Mass Spectrometry
Hydrophobic and Hydrophilic Interactions
Nitric Oxide Synthase
Isotopes
Nitrates
Chromatography
Length of Stay
dimethylarginine
N,N-dimethylarginine
Brain

Keywords

  • ADMA
  • CSF
  • l-Arginine
  • SDMA
  • Subarachnoid haemorrhage
  • Traumatic brain injury

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Determination of cerebrospinal fluid concentrations of arginine and dimethylarginines in patients with subarachnoid haemorrhage. / Martens-Lobenhoffer, Jens; Sulyok, E.; Czeiter, Endre; Büki, A.; Kohl, Jana; Firsching, Raimund; Tröger, Uwe; Bode-Böger, Stefanie M.

In: Journal of Neuroscience Methods, Vol. 164, No. 1, 15.08.2007, p. 155-160.

Research output: Contribution to journalArticle

Martens-Lobenhoffer, Jens ; Sulyok, E. ; Czeiter, Endre ; Büki, A. ; Kohl, Jana ; Firsching, Raimund ; Tröger, Uwe ; Bode-Böger, Stefanie M. / Determination of cerebrospinal fluid concentrations of arginine and dimethylarginines in patients with subarachnoid haemorrhage. In: Journal of Neuroscience Methods. 2007 ; Vol. 164, No. 1. pp. 155-160.
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