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Scientific glossary

Under review

Biomarker

A measurable characteristic needs a context of use.

Editorial updateSeptember 25, 2026
Last scientific reviewScientific review not completed
01Available sources

Definition

A molecule found in blood, fluids or tissues that may indicate a normal process, an alteration or a disease; it can also help assess response to treatment.

Sources for this section

LIMITATIONS AND CONTEXT

The scope of this reading

  • The original Portuguese summary is under review; consult the original entry for the complete scope.

ORIGINAL READING

References and sources

  1. NCI Dictionary of Cancer Terms · biomarkerNational Cancer Institute / NIH
  2. National Cancer Institute

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