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Year : 2005  |  Volume : 42  |  Issue : 1  |  Page : 9-14

Tissue microarrays: Potential in the Indian subcontinent

1 Department of Pathology, Loyola University Medical Center, Maywood, IL60153, USA
2 Department of Preventive Medicine, Robert H.Lurie Cancer Center, Northwestern University Feinberg School of Medicine, Chicago IL60611, USA

Correspondence Address:
Girish Venkataraman
Department of Pathology, Loyola University Medical Center, Maywood, IL60153
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0019-509X.15094

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Tissue microarrays (TMAs) are a means of combining hundreds of specimens of tissue on to a single slide for analysis simultaneously. The evolution of this technology to validate the results of cDNA microarrays has impacted tremendously in accurately identifying prognostic indicators significant in determining survival demographics for patients. TMAs can be generated from archival paraffin blocks, combined with sophisticated image analysis software for reading TMA immunohistochemistry, and a staggering amount of useful information can be generated in terms of the biomarkers useful in predicting patient outcome. There is a wide range of uses for the TMA technology including profiling of specific proteins in cancerous tissues and non-cancerous tissues. Given the wide variety of tissue resources available in India, investment in a dedicated TMA facility will be of immense use in the research arena in India. This review article discusses the basics of TMA construction, design, the software available for the analysis of this technology and its relevance to Indian scientists. A potential workflow structure for setting up a TMA facility is also included.

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