A marker protein refers to a specific type of protein that serves as a distinctive sign or signal for something important. It is used to identify or track certain processes or structures in cells or tissues. Full definition
Blood stem cells in the bone marrow have been labeled with a fluorescent marker protein. (sciencedaily.com)
His studies have shown that Schlemm's canal (SC) which is central in ocular fluid homeostasis, hence IOP, and thus is directly relevant to glaucoma, has a novel, specialized phenotype with properties that are a blend of blood and lymphatic endothelia based on expression of marker proteins of each lineage. (brightfocus.org)
The odorant receptor - dependent role of olfactory marker protein in olfactory receptor neurons. (monell.org)