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Multiplex immunofluorescence staining of coverslip‐mounted paraffin‐embedded tissue sections

Authors: Elsborg, Søren Hejgaard; Pedersen, Gitte Albinus; Madsen, Mia Gebauer; Keller, Anna Krarup; Nørregaard, Rikke; id_orcid 0000-0002-0580-373X; Nejsum, Lene Niemann; id_orcid 0000-0003-4368-8821;

Multiplex immunofluorescence staining of coverslip‐mounted paraffin‐embedded tissue sections

Abstract

Animal and human tissues are used extensively in physiological and pathophysiological research. Due to both ethical considerations and low availability, it is essential to maximize the use of these tissues. Therefore, the aim was to develop a new method allowing for multiplex immunofluorescence (IF) staining of kidney sections in order to reuse the same tissue section multiple times. The paraffin‐embedded kidney sections were placed onto coated coverslips and multiplex IF staining was performed. Five rounds of staining were performed where each round consisted of indirect antibody labelling, imaging on a widefield epifluorescence microscope, removal of the antibodies using a stripping buffer, and then re‐staining. In the final round, the tissue was stained with hematoxylin/eosin. Using this method, tubular segments in the nephron, blood vessels, and interstitial cells were labeled. Furthermore, by placing the tissue on coverslips, confocal‐like resolution was obtained using a conventional widefield epifluorescence microscope and a 60x oil objective. Thus, using standard reagents and equipment, paraffin‐embedded tissue was used for multiplex IF staining with increased Z‐resolution. In summary, this method offers time‐saving multiplex IF staining and allows for the retrieval of both quantitative and spatial expressional information of multiple proteins and subsequently for an assessment of the tissue morphology. Due to the simplicity and integrated effectivity of this multiplex IF protocol, it holds the potential to supplement standard IF staining protocols and maximize use of tissue.

Country
Denmark
Keywords

immunostaining, Paraffin Embedding, Paraffin Embedding/methods, Staining and Labeling, Histopathology, Fluorescent Antibody Technique, tissue, Kidney, multiplex, microscopy, renal/kidney, Animals, Humans, pathology, coverslips, image resolution

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
views
OpenAIRE UsageCountsViews provided by UsageCounts
downloads
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6
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17
15
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