Tissue Age Affects Antigenicity and Scoring for the 22C3 Immunohistochemistry Companion Diagnostic Test
Fernandez A, Gaule P, Rimm D. Tissue Age Affects Antigenicity and Scoring for the 22C3 Immunohistochemistry Companion Diagnostic Test. Modern Pathology 2023, 36: 100159. PMID: 36925070, PMCID: PMC10502188, DOI: 10.1016/j.modpat.2023.100159.Peer-Reviewed Original ResearchConceptsPD-L1 signalTumor proportion scoreTissue microarray cohortCell lung cancerPrevious clinical diagnosisWhole tissue sectionsCompanion diagnostic testsMultiple cancer typesMicroarray cohortTMA cohortLaboratory-developed testsPD-L1NSCLC casesLung cancerProportion scorePositive stainingAntibody 22C3Immunohistochemistry testsClinical diagnosisExtracellular domainCancer typesDiagnostic testsArchival tissueDomain antigenAntibodies