Abstract
A new cell isolation technique linked to the aureka® micromanipulation system (aureka®) was used to pick sperm from mixed samples containing sperm and epithelial cells. Both cell types were stained using the HY-LITER™ high-resolution, fluorescent staining kit. To isolate a single sperm of interest under a fluorescent microscope, a specific microsphere picking technique was used.This sensitive and reliable cell identification and isolation technique enables low-copy-number (LCN) DNA profiling, as few as 20 sperm are sufficient for obtaining a full short tandem repeat (STR) profile without any allelic drop out.The presented protocol covers the whole workflow, from sample staining and cell pick up to STR analysis.
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