The phrase "maintaining expression" is correct and usable in written English.
It refers to the act of preserving one's tone, style, or message throughout a sentence or piece of writing. Example: The speaker captivated the audience by maintaining a passionate expression throughout their speech, effectively conveying their message of social justice.
Previous studies have demonstrated that acinar cells undergoing pancreatitis-induced metaplasia upregulate Pdx1, a transcription factor normally expressed in progenitor cells, while maintaining expression of Ptf1a, a master regulator of acinar cell identity (Jensen et al., 2005; Molero et al., 2007).
The ACTB promoter was superior by maintaining expression in 75 80% of the cells after 50 days in culture.
Somatic cells can be reprogrammed to a pluripotent-stem-cell state by maintaining expression of specific combinations of proteins through several rounds of cell division [1] [7].
This also raises the possibility that factors from the AER may be involved in maintaining expression at the distal tip of the fin bud (perhaps by keeping these cells in a proliferative state).
We propose that BMP suppresses differentiation by maintaining expression of Cdh1.
Bone morphogenic protein signalling suppresses differentiation of pluripotent cells by maintaining expression of E-Cadherin.
As much as Ms. Franganillo and her co-choreographer, Oscar Martinez Pey, might have liked to suggest the Barthes-like subtleties of love's discourse, the dancers brought little emotional complexity to their performance, simply maintaining expressions of fraught intensity throughout.
In addition, they maintained expression of CD105, CD73, and CD90.
Undifferentiated 5T4-GFP ES cells lack EGFP and maintain expression of the pluripotent markers OCT-4 and NANOG.
In older fish, the enhancers displayed differential activity; some maintained expression, either in all cartilage or preferentially in articular cartilage at the joints, while others were not active.
Aged wild type tendons maintained expression of decorin which was associated with the structural and functional changes seen in aged tendons.
