The phrase "are mostly expressed in" is correct and usable in written English.
It can be used when discussing how certain ideas, emotions, or concepts are typically conveyed or articulated in a particular form or medium.
Example: "The themes of love and loss are mostly expressed in poetry and song lyrics."
Alternatives: "are primarily conveyed in" or "are largely communicated in".
CB1 receptor expression is abundant in brain while CB2 receptors are mostly expressed in hematopoietic cells.
In this study, we investigated which inflammatory mediators are mostly expressed in the microenvironment of human CRC.
The enduring appeal of "Inherit the Wind" is not as a play of ideas, which are mostly expressed in the manner of stump speeches, but as an occasion for two seasoned stars to trade punches in the boxing ring of the courtroom.
These transcription factors are mostly expressed in or after the ChILP stage.
Eftekhari et al. has demonstrated that glutamate and CGRP are mostly expressed in separate neurons in the rat and rhesus TG [64].
TRPA1 channels can be found in many types of cells and tissue, but they are mostly expressed in sensory neurons [5, 6]; they are implicated in meningeal nociceptive and vascular responses involving neurogenic dural vasodilatation and plasma extravasation.
Data to date suggest that, whereas DEC1 is mostly expressed in cancer, DEC2 expression is higher in the adjacent normal tissues.
The expression of BCRP was mostly expressed in the outer cells of the mammosphere [ 43].
The two group I members have different expression patterns; PGSC0003DMG400014807 (St38374) being mostly expressed in somatic tissues while PGSC0003DMG400029548 (St75969) is only expressed inside the fruit.
This candidate was mostly expressed in the cancer cell line and its expression was validated in clinical samples, indicating a possible role in cancer.
The relative expression of miR-205, known to be mostly expressed in squamous cells, has been previously addressed as a metastasis marker for HNSCC [ 19].
