'impaired expression of' is a correct and usable phrase in written English.
You can use it when you want to express that someone's ability to express themselves is limited. For example, "The victim of dementia had an impaired expression of emotion."
In the offspring of group exposed to 0.2 mg/kg bw BDE-47 we observed decreased corticosterone, adrenal atrophy, impaired adrenal zonation and impaired expression of steroidogenic enzymes.
In this issue, Wu et al. confirm the impaired expression of Fas in CTCL cells.
Moreover, impaired expression of the T helper 1-associated chemokines CCL9 and CCL10 weaken the migration of CD8+ T cells into the TME.
These effects have been linked in part to impaired expression of proinflammatory cytokines and adhesion molecules as well as increases in antioxidant enzymes in kidney and immune organs.
To test the hypothesis that impaired expression of the thiosulfate sulfurtransferase rhodanese is associated with oxidative stress and may predict mortality in hemodialysis patients.
Free cholesterol-induced NASH in mice was associated with decreased levels of docosahexaenoic acid-containing plasmalogens and impaired expression of PPARα, a critical transcriptional regulator of fatty acid oxidation.
A fine illustration of the pivotal involvement of TRPV channels in the osmoregulatory process is provided by animal models with impaired expression of TRPV1 in which case they display chronic hyperosmolarity despite having free access to fluids [15].
Cultured primary SRF-deficient colon smooth muscle cells were viable, but displayed drastic structural alterations and elevated senescence, paralleled by degeneration of the actin microfilament and impaired expression of smooth muscle specific genes.
It is concluded from this study that testosterone deficiency-induced defective glucose oxidation in skeletal muscles, liver and adipose tissue is mediated through impaired expression of insulin and its receptor gene.
Of note was the impaired expression of the key regulators, HilA and the flhDC operon, respectively.
Ureteric tip cells are remarkable for abnormal morphology and impaired expression of Ret and Wnt11, markers of tip cell differentiation.
