Dictionary » B » Biomarker



noun, plural: biomarkers

Any substance used in the detection and identification of the type of cell, organelle, sub-component, biological state, or biological process


In cell biology, biomarkers are used to detect and isolate a target organelle or cell type, such as by marker enzymes.

In molecular biology, biomarkers are used to detect the presence of DNA sequence associated with specific diseases, such as by genetic markers.

In medicine, biomarkers are detectable substance present (such as antibodies) or administered into the body (like radioactive isotopes) for diagnostic purposes.

In geology, biomarkers are organic compounds, which when detected in geologic rocks or crude oils indicate the presence of previously living organism.

Biomarkers are also used to identify the exposure to a chemical and measure the effects of the exposure.

Also called:

  • biological marker

Related term(s):

Please contribute to this project, if you have more information about this term feel free to edit this page

Results from our forum

looking for ciz1 specifically affects sensitivity?

through recent studies and experiments conducted by higins et al and published in PNAS, it shows that an alternative form of ciz1 can be a biomarker for lung cancer.my question is that if someone tries to detect ciz1 only will the sensitivity or specificity rise or fall? I'm sorry I sound a ...

See entire post
by mohnish01
Wed Mar 05, 2014 3:01 pm
Forum: Molecular Biology
Topic: looking for ciz1 specifically affects sensitivity?
Replies: 1
Views: 1473

How do receptor proteins get into urine??

... research project based on identivying a binding antibody to the cell surface transmembrane protein known as 'FGFR3' which is being developed as a biomarker urine test for bladder cancer (urothelial cell carcinoma), due to overexpression and/ or mutational activation. A question ive been asked ...

See entire post
by bs07cp
Fri Apr 15, 2011 10:19 pm
Forum: Cell Biology
Topic: How do receptor proteins get into urine??
Replies: 1
Views: 2248

Opinions wanted for an anti-cancer thesis please!

... of images by highly skilled clinical staff - what therefore the population urgently needs is screening based on bio-markers. The ideal biomarker would be one that had very few false negatives (doctors worry about false positives, but a false positive won't kill anyone whereas a false ...

See entire post
by Julie5
Mon Dec 13, 2010 10:20 am
Forum: Molecular Biology
Topic: Opinions wanted for an anti-cancer thesis please!
Replies: 1
Views: 2978

What is the major component in serum

... (or fat). Besides, she asked me what what is the different between serum and plasma. Actually, im doing some research on serum, trying to find biomarker in serum for those cancer patients. Therefore, there are many things that i need to consider before i can start my work. Besides, i have a ...

See entire post
by vidwai
Wed Dec 27, 2006 1:28 am
Forum: Human Biology
Topic: What is the major component in serum
Replies: 6
Views: 8098

The Fiber Disease

... espionage theory regarding panspermia and unfolding galactic issues and a serise of obviously terrestrial subjegated motives for camoflaging biomarker dispersion efforts with scalar galactic helix spiral biomarker we commonly call DNA..... .. . . . . the only agent that could stand witness ...

See entire post
by Nadas Moksha
Wed Dec 20, 2006 9:07 pm
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 6245559
View all matching forum results

This page was last modified 09:28, 5 July 2011. This page has been accessed 6,267 times. 
What links here | Related changes | Permanent link