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Balogh GA, Heulings R, Mailo D, Wang R, Li YS, Hardy R, Russo J
Methodological approach to study the genomic profile of the human breast
International Journal of Oncology (2007) 31:253-260.
One of the key end-points for understanding the molecular basis of the breast in its normal and cancer status is the quantitation of gene expression in specific cell populations. Microdissection techniques allow extraction of morphologically distinct cells for molecular analysis. The objective of this study was to determine the optimal RNA isolation and amplification to perform genomic expression analysis using the microarray technique from normal breast paraffin-embedded tissue samples using laser capture microdissection (LCM). We isolated epithelial and interlobular stroma cells from normal breast tissue and the total RNA was amplified using a PCR methodology developed by us, and in parallel the same starting material was used for amplification using the linear methodology. After two rounds of RNA amplification, we checked the quality of each amplified RNA and carried out the hybridization with cDNA glass-microarrays employing 15,000 genes for each replicate. In conclus!
Publication Date: 2007-08-01.
Last updated on Wednesday, July 08, 2020