Wu et al. introduce RollFISH, a method that enables quantification of single-molecule RNA with high specificity and sensitivity by combining smFISH with rolling circle amplification. RollFISH facilitated studying heterogeneity of biomarkers in formalin-fixed and paraffin-embedded breast cancer tissue, demonstrating its clinical application.
- Chenglin Wu
- Michele Simonetti
- Mats Nilsson