OpenOnco
UA EN

Onco Wiki / Biomarker

Mismatch repair protein expression by IHC

Deterministic view of the source YAML entity. Clinical authority remains with the cited source IDs and reviewer sign-off state.

IDBIO-DMMR-IHC
TypeBiomarker
Aliases
MLH1/MSH2/MSH6/PMS2 panelMMR IHCdMMR / pMMR by IHCЕкспресія MMR-білків (ІГХ)
Statusreviewed 2026-04-26
DiseasesNone declared
SourcesSRC-NCCN-COLON-2025

Biomarker Facts

Biomarker typeprotein_expression_ihc
Measurement
MethodIHC for MLH1, MSH2, MSH6, PMS2 on FFPE; loss of any → dMMR
Unitscategorical: dMMR (≥1 protein lost) | pMMR (all retained)
Roundingcategorical
Related biomarkersBIO-MSI-STATUS

Used By

Actionability

Biomarker

Indications

Questionnaires

Red flag