# OnCo record dll3-expression (biomarker). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)". Whole corpus: https://onco.cc/api/v1/onco.nt
@prefix schema: <https://schema.org/> .
@prefix onco: <https://onco.cc/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://onco.cc/biomarkers/dll3-expression/>
  a schema:MedicalTest ;
  onco:kind "biomarker" ;
  schema:identifier "dll3-expression" ;
  schema:name "DLL3 expression"@en ;
  schema:alternateName "DLL3"@en, "DLL3-positive"@en, "delta-like ligand 3 expression"@en, "DLL3 IHC"@en ;
  schema:description "DLL3 sits on the surface of about 85 percent of small-cell lung cancers and almost no normal adult tissue. Tarlatamab is given without a DLL3 test."@en ;
  schema:url <https://onco.cc/biomarkers/dll3-expression/> ;
  schema:dateModified "2026-09-23"^^xsd:date ;
  schema:citation <https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=1e7b6163-5d83-42ea-82c9-cf7620cdc782> ;
  onco:tag "biomarker", "surface-antigen", "no-threshold" ;
  onco:related <https://onco.cc/biomarkers/b7-h3-expression/> ;
  onco:cancers <https://onco.cc/cancers/sclc/>, <https://onco.cc/cancers/extensive-stage-sclc/>, <https://onco.cc/cancers/prostate-nepc/> ;
  onco:drugs <https://onco.cc/drugs/tarlatamab/> ;
  onco:terms <https://onco.cc/terms/sclc-molecular-subtypes/> .