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Cited by 584

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Increase of Brain Oxidative Stress in Mild Cognitive Impairment: A Possible Predictor of Alzheimer Disease

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Praticò, Domenico, Clark, Christopher M., Liun, Feyan, Lee, Virginia Y.-M., Trojanowski, John Q.·2002·Archives of Neurology

Abstract

BACKGROUND: The isoprostane 8,12-iso-iPF(2alpha)-VI, a specific marker of in vivo lipid peroxidation, is increased in Alzheimer disease (AD). The pathological changes associated with AD have a long silent phase before the appearance of clinical symptoms. Several studies have shown that AD is preceded by a prodromal phase characterized by mild cognitive impairment (MCI). OBJECTIVE: To investigate levels of this biomarker in subjects with MCI. DESIGN AND MAIN OUTCOME MEASURES: Using gas chromatography-mass spectrometry analysis, we measured 8,12-iso-iPF(2alpha)-VI levels in urine, plasma, and cerebrospinal fluid of patients with AD, subjects with MCI, and cognitively normal elderly subjects. SETTING AND PATIENTS: Subjects attending the Memory Disorders Clinic. RESULTS: We found significantly higher 8,12-iso-iPF(2alpha)-VI levels in cerebrospinal fluid, plasma, and urine of subjects with MCI compared with cognitively normal elderly subjects. CONCLUSIONS: These results imply that individuals with MCI have increased brain oxidative damage before the onset of symptomatic dementia. Measurement of this isoprostane may identify a subgroup of patients with MCI with increased lipid peroxidation who are at increased risk to progress to symptomatic AD.

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Metadata

Authors
Praticò, D., Clark, C. M., Liun, F., Lee, V. Y.-M., & Trojanowski, J. Q.
Venue
Archives of Neurology
Published
2002-06-01
Volume
59
Issue
6
Pages
972
ISSN
0003-9942 (ISSN-L)
OpenAlex
W2103163836
Cited by
584
References
6
FWCI
16.97
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Increase of Brain Oxidative Stress in Mild Cognitive Impairment: A Possible Predictor of Alzheimer Disease. https://app.cochat.ai/papers/10.1001/archneur.59.6.972
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Praticò, D., Clark, C. M., Liun, F., Lee, V. Y.-M., & Trojanowski, J. Q. (2002). Increase of Brain Oxidative Stress in Mild Cognitive Impairment: A Possible Predictor of Alzheimer Disease. Archives of Neurology. https://doi.org/10.1001/archneur.59.6.972

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.