The phrase "actually express" is correct and usable in written English.
It can be used when you want to clarify or emphasize the true meaning or sentiment behind something.
Example: "I thought he was joking, but he was trying to actually express his concerns about the project."
Alternatives: "truly convey" or "genuinely communicate".
Notably, when analysing isolated tumour cell lines, we observed that only a small proportion of them (2/34) actually express decorin (Fig 7A), suggesting that the tumour microenvironment promotes decorin expression by the tumour cells in situ, or, alternatively, that part of the expression of decorin in patients biopsies could come from activated myofibroblasts surrounding the tumour cells.
To confirm that the reporter-positive cells actually express LepRb transcript and account for the predominant source for LepRb expression within the deepithlialized tissue, deepithelialized small intestine was dissociated into single cells by enzymatic digestion and pure populations of reporter-positive cells were isolated by FACS.
I can't actually express how disgusting that is".
By the way, we can actually express this in another way if we want.
"This is diary writing - it doesn't actually express what is going on," he said.
Hating ethically means accepting our hatred, but working hard on how we actually express it.
Human nature ensures that people are capable of a wide range of behaviors; the behaviors we actually express depend on our changing circumstances.
Roughly 3/4 of tweets about Jackson's death that use the word "sad" actually express sadness, suggesting that sentiment analysis based on word usage is fairly accurate.
"When you verbalize what everyone already knows and feels," Leiter said, "you put yourself on the line because you actually express what you should be doing, as opposed to listening to someone else lecture you.
At the same time, trumpeter Damon Brown and saxophonist Ed Jones work together so intuitively that, although their ensemble sound is familiar, what they actually express with it is consistently fresh and often surprising.
"Compared to genres that rely on, say, the dynamics of heartbroken lyrics, you can actually express a lot more emotion with electronic music; you've got the whole spectrum of frequency to play with".
