The phrase "accompanied by a marked decrease in" is correct and usable in written English.
It can be used to describe a situation where one event or condition occurs alongside a significant reduction in another variable.
Example: "The new policy was accompanied by a marked decrease in employee turnover rates."
Alternatives: "coupled with a significant reduction in" or "alongside a notable decline in".
The protective effect of rutin, sodium selenite and garlic oil was accompanied by a marked decrease in mitochondrial TBARS.
Mutations in the first α-helix are responsible for a small increase in the refolding rate, accompanied by a marked decrease in the unfolding rate.
M30 significantly reduced cerebral iron accumulation as demonstrated by Perl's staining, accompanied by a marked decrease in cerebral β-amyloid plaques.
Here we show that in the developing skin, epidermal progenitor cells of mice lacking p63 transcription factor display alterations in the nuclear shape accompanied by a marked decrease in expression of several nuclear envelope-associated components (Lamin B1, Lamin A/C, Sun1, Nesprin-3, Plectin) compared with controls.
Administration of DEX was accompanied by a marked decrease in IL-5-positive cells in the ear tissue (data not shown).
In addition, increased SOCS3 expression in cells transfected with the Zta vector was accompanied by a marked decrease in phospho-STAT2 levels as compared to the cells transfected with the control vector (Figure 6C).
The implementation of food fortification with folic acid has been accompanied by a marked decrease (78%) in the rate of NTDs in Newfoundland.
In vivo experiments demonstrate that the lymphomas display an enrichment of the null alleles for three FOXO genes accompanied by a marked decrease of FOXO expression.
Diapause, a state of arrested development accompanied by a marked decrease of metabolic rate, helps insects to overcome unfavorable seasons.
Our data demonstrate that probiotic pretreatment improved survival of septic rats and this effect is accompanied by a marked decrease of IL-1β and TNFα.
The dose-dependent suppressive effect of HA-1077 on cell proliferation was accompanied by a marked decrease of ROCK-I and ROCK-II protein expression, while there was only a slight decrease of RhoA activity.
