Journal
NEUROLOGY
Volume 79, Issue 10, Pages 1012-1018Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1212/WNL.0b013e318265a55d
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Funding
- European Commission grant [FP6-SP5A-CT-2007-044438]
- Italian Ministry of Health [RFPS-2007-1-626139, R05, RFPS-2006-2-341988.4]
- EU Commission [FP6-SP5A-CT-2007-044438]
- Istituto Superiore di Sanita, Italy
- Italian Association for Cancer Research
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Objective: Screening plasma samples from patients with sporadic Creutzfeldt-Jakob disease (CJD) to discover diagnostic biomarkers. Methods: Plasma samples were collected from 17 patients with sporadic CJD, 17 patients with Alzheimer disease (AD), and 20 healthy subjects. A 2-phase screening was carried out using quantitative protein mass spectrometry. The putative sporadic CJD biomarkers were then validated independently by immunoturbidimetry. Results: Mass spectrometry uncovered 7 candidate sporadic CJD protein biomarkers, all belonging to the acute-phase response. Highly significant increases of these markers in patients with sporadic CJD, compared with healthy subjects and patients with AD, was confirmed by immunoturbidimetry. Conclusions: The increase in plasma levels of a related set of acute-phase reactants in patients with sporadic CJD is a novel finding that suggests new pathogenetic hypotheses. The possible value of this set of proteins as biomarkers in the diagnosis of sporadic CJD or for blood/tissue donor screening remains to be further explored and validated in larger studies. Neurology (R) 2012;79:1012-1018
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