Re-Punching Tissue Microarrays Is Possible: Why Can This Be Useful and How to Do It

Lacombe, Aurélien; Carafa, Vincenza; Schneider, Sandra; Sticker-Jantscheff, Melanie; Tornillo, Luigi; Eppenberger-Castori, Serenella

doi:10.3390/microarrays4020245

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Re-Punching Tissue Microarrays Is Possible: Why Can This Be Useful and How to Do It

Aurélien Lacombe

^†,

Vincenza Carafa

^†,

Sandra Schneider

Melanie Sticker-Jantscheff

Luigi Tornillo

and

Serenella Eppenberger-Castori

Molecular Pathology Division, Institute of Pathology, University Hospital of Basel, CH-4031 Basel, Switzerland

Author to whom correspondence should be addressed.

Academic Editor: Luigi Terracciano

Microarrays 2015, 4(2), 245-254; https://doi.org/10.3390/microarrays4020245

Received: 15 February 2015 / Revised: 25 April 2015 / Accepted: 29 April 2015 / Published: 11 May 2015

(This article belongs to the Special Issue 15 Years of Tissue Microarray Technology: The Changing Scenario of Tissue-Based Translational Research)

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Abstract

Tissue microarray (TMA) methodology allows the concomitant analysis of hundreds of tissue specimens arrayed in the same manner on a recipient block. Subsequently, all samples can be processed under identical conditions, such as antigen retrieval procedure, reagent concentrations, incubation times with antibodies/probes, and escaping the inter-assays variability. Therefore, the use of TMA has revolutionized histopathology translational research projects and has become a tool very often used for putative biomarker investigations. TMAs are particularly relevant for large scale analysis of a defined disease entity. In the course of these exploratory studies, rare subpopulations can be discovered or identified. This can refer to subsets of patients with more particular phenotypic or genotypic disease with low incidence or to patients receiving a particular treatment. Such rare cohorts should be collected for more specific investigations at a later time, when, possibly, more samples of a rare identity will be available as well as more knowledge derived from concomitant, e.g., genetic, investigations will have been acquired. In this article we analyze for the first time the limits and opportunities to construct new TMA blocks using tissues from older available arrays and supplementary donor blocks. In summary, we describe the reasons and technical details for the construction of rare disease entities arrays. View Full-Text

Keywords: TMA; H&E; IHC; ROI; TMA-M; TMA-GM; FFPE

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Lacombe, A.; Carafa, V.; Schneider, S.; Sticker-Jantscheff, M.; Tornillo, L.; Eppenberger-Castori, S. Re-Punching Tissue Microarrays Is Possible: Why Can This Be Useful and How to Do It. Microarrays 2015, 4, 245-254. https://doi.org/10.3390/microarrays4020245

AMA Style

Lacombe A, Carafa V, Schneider S, Sticker-Jantscheff M, Tornillo L, Eppenberger-Castori S. Re-Punching Tissue Microarrays Is Possible: Why Can This Be Useful and How to Do It. Microarrays. 2015; 4(2):245-254. https://doi.org/10.3390/microarrays4020245

Chicago/Turabian Style

Lacombe, Aurélien, Vincenza Carafa, Sandra Schneider, Melanie Sticker-Jantscheff, Luigi Tornillo, and Serenella Eppenberger-Castori. 2015. "Re-Punching Tissue Microarrays Is Possible: Why Can This Be Useful and How to Do It" Microarrays 4, no. 2: 245-254. https://doi.org/10.3390/microarrays4020245

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Re-Punching Tissue Microarrays Is Possible: Why Can This Be Useful and How to Do It

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