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Increased levels of DNA breaks in cerebral cortex of Alzheimer's disease patients

Identifieur interne : 003095 ( Main/Corpus ); précédent : 003094; suivant : 003096

Increased levels of DNA breaks in cerebral cortex of Alzheimer's disease patients

Auteurs : Erik Mullaart ; Michael E. T. I. Boerrigter ; Rivka Ravid ; Dick F. Swaab ; Jan Vijg

Source :

RBID : ISTEX:B68E750C844CACD85DA5A5240030B4386D1F343B

Abstract

It has been hypothesized that Alzheimer's disease (AD) is caused by an accumulation of damage in DNA due to defective DNA-repair (21). Attempts to test this hypothesis by determining the activity of DNA-repair systems in nonneuronal cells from AD patients and controls so far provided conflicting results. An alternative approach is the direct comparison of DNA-damage levels in neuronal tissue of AD patients and controls. In the present study we assayed the level of DNA breaks and alkali-labile sites in cerebral cortex tissue samples from AD patients and controls obtained from rapid autopsies. Our data on 11 AD patients and 8 control subjects indicate an at least two-fold higher level of DNA damage in cortex of AD patients as compared to controls.

Url:
DOI: 10.1016/0197-4580(90)90542-8

Links to Exploration step

ISTEX:B68E750C844CACD85DA5A5240030B4386D1F343B

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<dateValid encoding="w3cdtf">1989-11-21</dateValid>
<copyrightDate encoding="w3cdtf">1990</copyrightDate>
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<languageTerm type="code" authority="iso639-2b">eng</languageTerm>
<languageTerm type="code" authority="rfc3066">en</languageTerm>
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<abstract lang="en">It has been hypothesized that Alzheimer's disease (AD) is caused by an accumulation of damage in DNA due to defective DNA-repair (21). Attempts to test this hypothesis by determining the activity of DNA-repair systems in nonneuronal cells from AD patients and controls so far provided conflicting results. An alternative approach is the direct comparison of DNA-damage levels in neuronal tissue of AD patients and controls. In the present study we assayed the level of DNA breaks and alkali-labile sites in cerebral cortex tissue samples from AD patients and controls obtained from rapid autopsies. Our data on 11 AD patients and 8 control subjects indicate an at least two-fold higher level of DNA damage in cortex of AD patients as compared to controls.</abstract>
<subject>
<genre>Keywords</genre>
<topic>DNA breaks</topic>
<topic>Alzheimer's disease</topic>
<topic>Cerebral cortex</topic>
<topic>Alkaline elution</topic>
</subject>
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<titleInfo>
<title>Neurobiology of Aging</title>
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<titleInfo type="abbreviated">
<title>NBA</title>
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<genre type="Journal">journal</genre>
<originInfo>
<dateIssued encoding="w3cdtf">199005</dateIssued>
</originInfo>
<identifier type="ISSN">0197-4580</identifier>
<identifier type="PII">S0197-4580(00)X0125-X</identifier>
<part>
<date>199005</date>
<detail type="volume">
<number>11</number>
<caption>vol.</caption>
</detail>
<detail type="issue">
<number>3</number>
<caption>no.</caption>
</detail>
<extent unit="issue pages">
<start>169</start>
<end>357</end>
</extent>
<extent unit="pages">
<start>169</start>
<end>173</end>
</extent>
</part>
</relatedItem>
<identifier type="istex">B68E750C844CACD85DA5A5240030B4386D1F343B</identifier>
<identifier type="DOI">10.1016/0197-4580(90)90542-8</identifier>
<identifier type="PII">0197-4580(90)90542-8</identifier>
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<classCode scheme="WOS">GERIATRICS & GERONTOLOGY</classCode>
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