biomarker

[bahy-oh-mahr-ker]

noun

1. a distinct biochemical, genetic, or molecular characteristic or substance that is an indicator of a particular biological condition or process.

   a blood test to measure protein biomarkers for cancer.

biomarker

/ ˈbaɪəʊˌmɑːkə /

noun

1. another name for biological marker

Word History and Origins

Origin of biomarker¹

First recorded in 1970–75; bio- ( def. ) + marker ( def. )

Example Sentences

"The human body itself doesn't make methane, only the microbes do. So we suggested it can be a biomarker that signals efficient microbial production of short-chain fatty acids," says Rosy Krajmalnik-Brown, corresponding author of the study and director of the Biodesign Center for Health Through Microbiomes.

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Mice exposed to the complex, for instance, also showed elevated levels of phospho-tau181, a biomarker used in humans to detect Alzheimer's years before symptoms arise.

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Future studies will test whether microvascular volumetric pulsatility predicts cognitive outcomes and whether it can serve as a biomarker for early intervention in Alzheimer's disease and related conditions.

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It supports reproducible biomarker discovery, robust cross-site analysis, and advances in preclinical traumatic brain injury research.

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What excites Betley with this discovery is the further exploration of its potential to "use Y1 neural activity as a biomarker for chronic pain, something drug developers and clinicians have long lacked," he says.

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