As most tissue specimens contain a mixture of different cell types including epithelial cells, stromal cells and immune cells, selection of the cells of interest is of utmost importance for the accurate determination of gene/microRNA expression. Laser capture microdissection enables the researcher to obtain homogeneous ultrapure cell selections from heterogeneous starting material. The following protocol was optimized for the isolation of total RNA from cervical (premalignant) squamous epithelial cells from fresh frozen biopsy specimens.
bio-protocol 3 (15) (2013)
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