Figure 8A showsaverage normalized Raman spectra of membranes in breast cancer cells:triple-positive MCF-7, HTB-30, and AU-565 overexpressing HER2, thenormal cells (MCF-10A) (HER2 at the normal level), and triple-negativeaggressive breast cancer (MDA-MB-231). This evidence concerns the gene ERBB2 and breast carcinoma.