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Post-genomic applications of tissue microarrays: basic research, prognostic oncology, clinical genomics and drug discovery

Mobasheri, A., Airley, Rachel, Foster, C.S., Schulze-Tanzil, G. and Shakibaei, M. (2004) Post-genomic applications of tissue microarrays: basic research, prognostic oncology, clinical genomics and drug discovery. Histology and Histopathology, 19 (1). pp. 325-335. ISSN 0213-3911

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Abstract

Tissue microarrays (TMAs) are an ordered array of tissue cores on a glass slide. They permit immunohistochemical analysis of numerous tissue sections under identical experimental conditions. The arrays can contain samples of every organ in the human body, or a wide variety of common tumors and obscure clinical cases alongside normal controls. The arrays can also contain pellets of cultured tumor cell lines. These arrays may be used like any histological section for immunohistochemistry and in situ hybridization to detect protein and gene expression. This new technology will allow investigators to analyze numerous biomarkers over essentially identical samples, develop novel prognostic markers and validate potential drug targets. The ability to combine TMA technology with DNA microarrays and proteomics makes it a very attractive tool for analysis of gene expression in clinically stratified tumor specimens and relate expression of each particular protein with clinical outcome. Public domain software allows researchers to examine digital images of individual histological specimens from TMAs, evaluate and score them and store the quantitative data in a relational database. TMA technology may be specifically applied to the profiling of proteins of interest in other pathophysiological conditions such as congestive heart failure, renal disease, hypertension, diabetes, cystic fibrosis and neurodegenerative disorders. This review is intended to summarize the strengths and weaknesses of TMA technology which will have an increasingly important role in the laboratories of the post-genomic era

Item Type: Article
Subjects: Q Science > Q Science (General)
Q Science > QP Physiology
Schools: School of Applied Sciences
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Depositing User: Sharon Beastall
Date Deposited: 02 Jul 2010 12:35
Last Modified: 02 Jul 2010 12:35
URI: http://eprints.hud.ac.uk/id/eprint/8011

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