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rdf:type
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Description
| - ELISA is widely used for urinary 8-oxo-7.8-dihydro-2´-deoxyguanosine (8-oxodG) analysis. However, a lack of agreement between ELISA and chromatographic methods confines its application to the assessment of relative urinary 8-oxodG level. We investigated various ELISA modifications, seeking optimal conditions that would yield a good agreement between ELISA and HPLC-MS/MS. It was found, that purification of urine by solid phase extraction, then incubation with the anti-8-oxodG antibody at 40 C overnight and subsequent normalization of 8-oxodG levels per urinary creatinine resulted in a near-perfect correlation and agreement in mean levels between ELISA and HPLC-MS/MS. Our data show that, after introduction of a simple modification, ELISA quantification urinary 8-oxodG substantially improves. This method represents a significant advance for the ELISA, and encouraging its use in more studies adding to our knowledge of the role of this biomarker of oxidative stress in health and disease.
- ELISA is widely used for urinary 8-oxo-7.8-dihydro-2´-deoxyguanosine (8-oxodG) analysis. However, a lack of agreement between ELISA and chromatographic methods confines its application to the assessment of relative urinary 8-oxodG level. We investigated various ELISA modifications, seeking optimal conditions that would yield a good agreement between ELISA and HPLC-MS/MS. It was found, that purification of urine by solid phase extraction, then incubation with the anti-8-oxodG antibody at 40 C overnight and subsequent normalization of 8-oxodG levels per urinary creatinine resulted in a near-perfect correlation and agreement in mean levels between ELISA and HPLC-MS/MS. Our data show that, after introduction of a simple modification, ELISA quantification urinary 8-oxodG substantially improves. This method represents a significant advance for the ELISA, and encouraging its use in more studies adding to our knowledge of the role of this biomarker of oxidative stress in health and disease. (en)
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Title
| - Urinary 8-oxo-7,8-dihydroguanosine values determined by a modified ELISA improves agreement with HPLC-MS/MS
- Urinary 8-oxo-7,8-dihydroguanosine values determined by a modified ELISA improves agreement with HPLC-MS/MS (en)
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skos:prefLabel
| - Urinary 8-oxo-7,8-dihydroguanosine values determined by a modified ELISA improves agreement with HPLC-MS/MS
- Urinary 8-oxo-7,8-dihydroguanosine values determined by a modified ELISA improves agreement with HPLC-MS/MS (en)
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skos:notation
| - RIV/68378041:_____/13:00398237!RIV14-GA0-68378041
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http://linked.open...avai/predkladatel
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - I, P(GA13-13458S), P(GAP503/11/0084)
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/68378041:_____/13:00398237
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - 8-oxodG; urine; ELISA (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - Biochemical and Biophysical Research Communications
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Rössner ml., Pavel
- Šrám, Radim
- Mistry, V.
- Cooke, M. S.
- Singh, R.
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http://linked.open...ain/vavai/riv/wos
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issn
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number of pages
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http://bibframe.org/vocab/doi
| - 10.1016/j.bbrc.2013.09.133
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