The phrase "a key marker of" is correct and usable in written English.
It is used to indicate something that is important or indicative of a particular thing. For example, "One of the key markers of success is the ability to effectively manage time."
These new migrations are a key marker of our epoch.
Putin sees the project as a key marker of Russia's resurgence on the global stage.
Since an efficient heart pumps more blood with every beat, the heart rate measured at rest -- a person's lowest rate -- is a key marker of fitness.
A key marker of whether this United side can improve on their results from last year will therefore be the coaching, and not just the managing, of some of these exciting players.
(While residents elsewhere might wish for fewer Starbucks outlets, Mr. Towns implied that if one arrived, it would be a key marker of progress; he noted with pride that the local Dunkin' Donuts offers WiFi).
Within 30 minutes, the monkeys' levels of luteinizing hormone, a key marker of puberty, increased 25-fold.
A key marker of value for Sustersic is net cash flow from operations, or net income from continuing operations plus depreciation and other noncash adjustments.
E-cadherin, a key marker of the epithelial phenotype, is a transmembrane protein responsible for anchoring neighboring cells to one another and forming adherens junctions, with its cytoplasmic component linked to the actin cytoskeleton by α- and β-catenin.
In summary, we find 14-3-3ζ 14-3-3ζ 14-3-3ζker for risk of failure on endocrine toerapy and show that its elevated expression promoted resistance to endocrine therapies, whereas its downregulation slowed proliferation, enhanced apoptosis, and increased the sensitivity of beeast cancer cells to endocrine treatment.
EpCAM, a progenitor cell marker, was previously correlated with poor prognosis of HCC [ 15, 27], and CD90 was reported as a key marker for the selection of CSCs [ 16].
A key marker gene of this decidualization process is the prolactin gene.
