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High salt buffer im...
High salt buffer improves integrity of RNA after fluorescence-activated cell sorting of intracellular labeled cells.
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- Nilsson, Helén (författare)
- Lund University,Lunds universitet,Avdelningen för translationell cancerforskning,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Translational Cancer Research,Department of Laboratory Medicine,Faculty of Medicine
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- Krawczyk, Krzysztof (författare)
- Lund University,Lunds universitet,Avdelningen för translationell cancerforskning,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Translational Cancer Research,Department of Laboratory Medicine,Faculty of Medicine
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Johansson, Martin E (författare)
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(creator_code:org_t)
- Elsevier BV, 2014
- 2014
- Engelska.
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Ingår i: Journal of Biotechnology. - : Elsevier BV. - 1873-4863 .- 0168-1656. ; 192:Sep 30, s. 62-65
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Abstract
Ämnesord
Stäng
- Over the past years, massive progress has been made in the ability to collect large-scale gene expression data from a limited sample size. Combined with improvements in multiplex flow cytometry-based techniques, this has made it possible to isolate and characterize specific cellular subtypes within heterogeneous populations, with a great impact on our understanding of different biological processes. However, sorting based on intracellular markers requires fixation and permeabilization of samples, and very often the integrity of RNA molecules is compromised during this process. Many attempts have been made to improve the quality of nucleic acids from such samples, but RNA degradation still remains a limiting factor for downstream analyses. Here we present a method to isolate high quality RNA from cells that have been fixed, permeabilized, intracellularly labeled and sorted. By performing all incubation steps in the presence of a high salt buffer, RNA degradation was avoided and samples with remarkable integrity were obtained. This procedure offers a straightforward and very affordable technique to retrieve high quality RNA from isolated cell populations, which increases the possibilities to characterize gene expression profiles of subpopulations from mixed samples, a technique with implications in a broad range of research fields.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
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