Sentence examples similar to has been activated before from inspiring English sources
For example, addition of cytosol from cells in which the PKA/cAMP signaling pathway had been activated before extraction led to stimulation of the core mitochondrial fusion machinery, as predicted by in cellulo data.
We model the behavior of a system comprising two CD4+ T cells that have been activated by their cognate antigens, but before proliferation takes place (within ~30 hours after activation).
It was announced in October 2014, and was first activated for the having been activated for the earthquake in Nepal in April 2015.
Further study showed that even if the TCR transgenic CD4 T cells have been activated 24 hours before, MLC could exert similar inhibitory function (Figure 4b).
The Comfort Inn had standpipes and wall-mounted hoses in the hallways and stairwells, but none had been activated and no fire extinguishers were used before emergency crews arrived, said Fire Chief Gary Downey.
For example, with a heating slope of 1°C/s, it takes approximately five seconds to pass from the threshold of activation of C polymodal nociceptors to that of the Aδ polymodal nociceptors; this time period is ample to enable activation of C-fibers to trigger a reaction even before Aδ fibers have been activated.
