J. Carney

Publications172
h-index42
Citations9,664
Highly Influential Citations206
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Excess brain protein oxidation and enzyme dysfunction in normal aging and in Alzheimer disease.
The relationship between Alzheimer disease (AD) and aging is not currently known. In this study, postmortem frontal- and occipital-pole brain samples were obtained from 16 subjects with AD, 8… Expand
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A model for beta-amyloid aggregation and neurotoxicity based on free radical generation by the peptide: relevance to Alzheimer disease.
beta-Amyloid is a 39- to 43-amino-acid neurotoxic peptide that aggregates to form the core of Alzheimer disease-associated senile (amyloid) plaques. No satisfactory hypothesis has yet been proposed… Expand
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Oxidative damage to brain proteins, loss of glutamine synthetase activity, and production of free radicals during ischemia/reperfusion-induced injury to gerbil brain.
Free radical-mediated oxidative damage has been implicated in tissue injury resulting from ischemia/reperfusion events. Global cortical ischemia/reperfusion injury to Mongolian gerbil brains was… Expand
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Direct evidence of oxidative injury produced by the Alzheimer's β-Amyloid peptide (1–40) in cultured hippocampal neurons
The beta-Amyloid peptide (A beta) is hypothesized to mediate the neurodegeneration seen in Alzheimer's disease. Recently, we proposed a new hypothesis to explain the toxicity of A beta based on the… Expand
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Stability problems with artificial neural networks and the ensemble solution
TLDR
Artificial neural networks (ANNs) are very popular as classification or regression mechanisms in medical decision support systems despite the fact that they are unstable predictors. Expand
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Oxygen free radical involvement in ischemia and reperfusion injury to brain
Evidence is presented which implicates increased oxygen free radicals during ischemia reperfusion of gerbil brain. Salicylate, which reacts with hydroxyl free radicals to yield dihydroxybenzoic acid… Expand
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Reversal of age-related increase in brain protein oxidation, decrease in enzyme activity, and loss in temporal and spatial memory by chronic administration of the spin-trapping compound…
Oxygen free radicals and oxidative events have been implicated as playing a role in bringing about the changes in cellular function that occur during aging. Brain readily undergoes oxidative damage,… Expand
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β-Amyloid Peptide Free Radical Fragments Initiate Synaptosomal Lipoperoxidation in a Sequence-Specific Fashion: Implications to Alzheimer′s Disease
Abstract We have previously reported (Hensley et al., Proc Natl. Acad. Sci USA (1994) in press) that β-amyloid peptide fragments in aqueous media, in a metal-independent reaction, produce reactive… Expand
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3,7-Dimethyl-1-propargylxanthine: a potent and selective in vivo antagonist of adenosine analogs.
3,7-Dimethyl-1-propargylxanthine (DMPX), a caffeine analog that exhibits in vitro selectivity for A2-adenosine receptors, compared to A1-adenosine receptors, has now been investigated with respect to… Expand
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Amyloid β Peptide (25–35) Inhibits Na+‐Dependent Glutamate Uptake in Rat Hippocampal Astrocyte Cultures
Abstract: Large numbers of neuritic plaques surrounded by reactive astrocytes are characteristic of Alzheimer's disease (AD). There is a large body of research supporting a causal role for the… Expand
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