Quantitative measurement of HER2 expression to subclassify ERBB2 unamplified breast cancer.
Moutafi M, Robbins C, Yaghoobi V, Fernandez A, Martinez-Morilla S, Xirou V, Bai Y, Song Y, Gaule P, Krueger J, Bloom K, Hill S, Liebler D, Fulton R, Rimm D. Quantitative measurement of HER2 expression to subclassify ERBB2 unamplified breast cancer. Laboratory Investigation 2022, 102: 1101-1108. PMID: 36775350, DOI: 10.1038/s41374-022-00804-9.Peer-Reviewed Original ResearchConceptsHER2 expressionBreast cancerAttomol/HER2 proteinBreast cancer patientsBreast cancer casesOptimal patient careLevels of HER2Trastuzumab deruxtecanT-DXdCancer patientsLow HER2Cancer casesConventional assaysHER2Patient careAntibody concentrationsQuantitative immunofluorescenceAntibody drugsCancerCell linesAssaysExpressionHER2 detectionLower range