The phrase "as fold expression" is not correct in English and does not convey a clear meaning.
It seems to be an incomplete or incorrect formulation, and without additional context, it cannot be used effectively in written English.
Example: "The data can be processed as fold expression, but we need to clarify the method."
Alternatives: "as a folded expression" or "in a folded manner".
Results were expressed as fold expression relative to expression in the vehicle control group using the delta-delta Ct (ΔΔCt) method.
Relative mRNA expression was expressed as fold expression over the calibrator sample (average of gene expression corresponding to the wild type group) [39].
Our calculations, which are expressed as fold expression per diploid-copy of the transgene, showed that 261/261 transgenic mice consistently generated the highest level of SNCA-mRNA in the brain (Fig. 3B; Supplementary Material, Fig. S2).
The mRNA expression of HO-1, COX-2, iNOS, and CYP1A1 in various sections of the rat brain is shown in Figs. 2 and 3. Data were corrected for GAPDH and expressed as fold expression relative to the expression in the cerebellum of the air-exposed rats.
Relative levels of UCP1 mRNA expression were shown as fold expression between null vs. WT mice.
Each qRT-PCR was performed on three different experimental samples; representative results are shown as fold expression relative to undifferentiated and control hES cells.
Since all of the data from the 48.48 dynamic array chips and the 7900 platform was reported as fold-expression relative to muscle, the data from the microarray for liver and heart was converted to a similar format using muscle as the reference.
Data expressed as mean fold expression (±95% confidence intervals) over comparator population (luminal ER- cells) in three independent isolates of each cell population.
For each protein sample, the measure of ARF protein expression (pixel area multiplied by average pixel intensity) was normalized to β-tubulin expression, and then expressed as relative fold expression in comparison to normalized fetal retina ARF expression [ 15].
The relative quantification is expressed as the fold expression of the target gene compared with the reference control expression according to the formula 2-ΔΔCT and expressed in relative expression units (REU).
The quantification of the mRNA abundance for each gene is presented as relative fold expression.
