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A control for the d...
A control for the day-to-day normalization of the flow cytometry γ-H2AX assay for clinical routine.
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- Viktorisson, Adam (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för klinisk kemi och transfusionsmedicin,Institute of Biomedicine, Department of Clinical Chemistry and Transfusion Medicine
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- Mathew, Sherin T (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för klinisk kemi och transfusionsmedicin,Institute of Biomedicine, Department of Clinical Chemistry and Transfusion Medicine
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- Hammarsten, Ola (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för klinisk kemi och transfusionsmedicin,Institute of Biomedicine, Department of Clinical Chemistry and Transfusion Medicine
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- Johansson, Pegah, 1978 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för klinisk kemi och transfusionsmedicin,Institute of Biomedicine, Department of Clinical Chemistry and Transfusion Medicine
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(creator_code:org_t)
- 2018-02-27
- 2018
- English.
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In: Cytometry. Part B, Clinical cytometry. - : Wiley. - 1552-4957 .- 1552-4949. ; 94:6, s. 946-949
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Abstract
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- The phosphorylation of histone H2AX (γ-H2AX) at the DNA double-strand break (DSB) site is frequently used for quantifying DSBs and may be useful as a biomarker for clinical applications. We have previously reported a flow cytometry-based quantification of γ-H2AX for clinical routine. One major challenge, however, is the lack of a control sample for normalization of the day-to-day variation of the flow cytometry γ-H2AX assay.Here, we report development of a mix-control sample containing peripheral blood mononuclear cells (PBMC) from 10 control individuals, for normalization of day-to-day variation of the flow cytometry-γ-H2AX assay.We showed that control individuals sampled on different days show an average day-to-day variation (CV) of 34%, which was reduced to 12% after normalization to the control sample. The normalization allowed detection of radiosensitivity of lymphoblastoid cell lines from ataxia telangiectasia patients, sampled over three days.The mix-control sample, consisting of 10 control individuals' PBMC, can be used as a control sample to normalize for day-to-day variation of the γ-H2AX assay. The use of this sample will facilitate integration of the γ-H2AX assay into clinical routine. © 2018 International Clinical Cytometry Society.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Klinisk laboratoriemedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Clinical Laboratory Medicine (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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