The phrase "as manifested by a decrease" is correct and usable in written English.
It can be used to indicate that a decrease serves as evidence or a demonstration of a particular situation or condition.
Example: "The company's financial struggles were evident, as manifested by a decrease in quarterly profits."
Alternatives: "as evidenced by a decrease" or "as shown by a decrease."
Analysis of gene expression in the cultured cells revealed a rapid loss of beta-cell and epithelial phenotypes, as manifested by a large decrease in the levels of insulin and E-cadherin mRNAs (Fig. 2A).
However, the lowering of the polymer's flammability was ascribed to the effect of TPP on gas-phase processes, as manifested by: a widening of the flame front, a decrease in the maximum flame temperature and a reduction of the extinction strain rate.
It was manifested by a decrease in the cortisol concentration and a short period of hospitalization, which did not exceed 20 days.
This disorder is manifested by a decrease in cell proliferation.
A small expansive phase onset took place at 3.77 UT (03 46 UT), as manifested by the decrease in the X component at several stations at that time and the corresponding changes in the Z component.
There is evidence from numerous investigations that tumour-infiltrating lymphocytes (TIL) isolated from a wide range of tumours are functionally impaired, as manifested by decreased proliferative responses and decreased ability to mediate cytotoxicity (Whiteside, 1992; Miescher et al, 1998).
Despite the specific GO deposition increase from 4.3 to 43.3 × 10−5 g cm−2 (ninefold layer thickness growth), its effect on the permeation flux is not significant, as manifested by only a little decrease in the flux.
Further indicating cardiac dysfunction, flies with PC-expressed catalase exhibited a narrowed heart tube phenotype at 1 week of age, as manifested by significant decreases in the diastolic and systolic diameters compared with control hearts.
In summary, short-term exposure to PM2.5 was marginally significantly associated with cardiac autonomic dysfunction, as manifested by decreased HRV measures in a large, multicity, multi-ethnic, population-based sample.
