Cryo-Gel embedding compound for renal biopsy biobanking

Abstract Optimal preservation and biobanking of renal tissue is vital for good diagnostics and subsequent research. Optimal cutting temperature (OCT) compound is a commonly used embedding medium for freezing tissue samples. However, due to interfering polymers in OCT, analysis as mass spectrometry (...

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Autores principales:	Malou L. H. Snijders, Marina Zajec, Laurens A. J. Walter, Remco M. A. A. de Louw, Monique H. A. Oomen, Shazia Arshad, Thierry P. P. van den Bosch, Lennard J. M. Dekker, Michail Doukas, Theo M. Luider, Peter H. J. Riegman, Folkert J. van Kemenade, Marian C. Clahsen-van Groningen
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2019
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/0e7d90e3e42941199e6d89072dc636f0
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spelling	oai:doaj.org-article:0e7d90e3e42941199e6d89072dc636f02021-12-02T16:08:27ZCryo-Gel embedding compound for renal biopsy biobanking10.1038/s41598-019-51962-82045-2322https://doaj.org/article/0e7d90e3e42941199e6d89072dc636f02019-10-01T00:00:00Zhttps://doi.org/10.1038/s41598-019-51962-8https://doaj.org/toc/2045-2322Abstract Optimal preservation and biobanking of renal tissue is vital for good diagnostics and subsequent research. Optimal cutting temperature (OCT) compound is a commonly used embedding medium for freezing tissue samples. However, due to interfering polymers in OCT, analysis as mass spectrometry (MS) is difficult. We investigated if the replacement of OCT with Cryo-Gel as embedding compound for renal biopsies would enable proteomics and not disturb other common techniques used in tissue diagnostics and research. For the present study, fresh renal samples were snap-frozen using Cryo-Gel, OCT and without embedding compound and evaluated using different techniques. In addition, tissue samples from normal spleen, skin, liver and colon were analyzed. Cryo-Gel embedded tissues showed good morphological preservation and no interference in immunohistochemical or immunofluorescent investigations. The quality of extracted RNA and DNA was good. The number of proteins identified using MS was similar between Cryo-Gel embedded samples, samples without embedding compound and OCT embedded samples. However, polymers in the OCT disturbed the signal in the MS, while this was not observed in the Cryo-Gel embedded samples. We conclude that embedding of renal biopsies in Cryo-Gel is an excellent and preferable alternative for OCT compound for both diagnostic and research purposes, especially in those cases where proteomic analysis might be necessary.Malou L. H. SnijdersMarina ZajecLaurens A. J. WalterRemco M. A. A. de LouwMonique H. A. OomenShazia ArshadThierry P. P. van den BoschLennard J. M. DekkerMichail DoukasTheo M. LuiderPeter H. J. RiegmanFolkert J. van KemenadeMarian C. Clahsen-van GroningenNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 9, Iss 1, Pp 1-10 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Malou L. H. Snijders Marina Zajec Laurens A. J. Walter Remco M. A. A. de Louw Monique H. A. Oomen Shazia Arshad Thierry P. P. van den Bosch Lennard J. M. Dekker Michail Doukas Theo M. Luider Peter H. J. Riegman Folkert J. van Kemenade Marian C. Clahsen-van Groningen Cryo-Gel embedding compound for renal biopsy biobanking
description	Abstract Optimal preservation and biobanking of renal tissue is vital for good diagnostics and subsequent research. Optimal cutting temperature (OCT) compound is a commonly used embedding medium for freezing tissue samples. However, due to interfering polymers in OCT, analysis as mass spectrometry (MS) is difficult. We investigated if the replacement of OCT with Cryo-Gel as embedding compound for renal biopsies would enable proteomics and not disturb other common techniques used in tissue diagnostics and research. For the present study, fresh renal samples were snap-frozen using Cryo-Gel, OCT and without embedding compound and evaluated using different techniques. In addition, tissue samples from normal spleen, skin, liver and colon were analyzed. Cryo-Gel embedded tissues showed good morphological preservation and no interference in immunohistochemical or immunofluorescent investigations. The quality of extracted RNA and DNA was good. The number of proteins identified using MS was similar between Cryo-Gel embedded samples, samples without embedding compound and OCT embedded samples. However, polymers in the OCT disturbed the signal in the MS, while this was not observed in the Cryo-Gel embedded samples. We conclude that embedding of renal biopsies in Cryo-Gel is an excellent and preferable alternative for OCT compound for both diagnostic and research purposes, especially in those cases where proteomic analysis might be necessary.
format	article
author	Malou L. H. Snijders Marina Zajec Laurens A. J. Walter Remco M. A. A. de Louw Monique H. A. Oomen Shazia Arshad Thierry P. P. van den Bosch Lennard J. M. Dekker Michail Doukas Theo M. Luider Peter H. J. Riegman Folkert J. van Kemenade Marian C. Clahsen-van Groningen
author_facet	Malou L. H. Snijders Marina Zajec Laurens A. J. Walter Remco M. A. A. de Louw Monique H. A. Oomen Shazia Arshad Thierry P. P. van den Bosch Lennard J. M. Dekker Michail Doukas Theo M. Luider Peter H. J. Riegman Folkert J. van Kemenade Marian C. Clahsen-van Groningen
author_sort	Malou L. H. Snijders
title	Cryo-Gel embedding compound for renal biopsy biobanking
title_short	Cryo-Gel embedding compound for renal biopsy biobanking
title_full	Cryo-Gel embedding compound for renal biopsy biobanking
title_fullStr	Cryo-Gel embedding compound for renal biopsy biobanking
title_full_unstemmed	Cryo-Gel embedding compound for renal biopsy biobanking
title_sort	cryo-gel embedding compound for renal biopsy biobanking
publisher	Nature Portfolio
publishDate	2019
url	https://doaj.org/article/0e7d90e3e42941199e6d89072dc636f0
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Cryo-Gel embedding compound for renal biopsy biobanking

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