Key result
Calcium ionophore stimulation increases GM-CSF mRNA half-life ~267% alongside increased AUUUA-specific binding protein activity.
Why the study?
Does calcium ionophore stimulation increase GM-CSF mRNA stability and AUUUA-specific binding protein activity in AML14.3D10 cells?
Population
Eosinophil-like cell line (AML14.3D10)
Comparison
Calcium ionophore stimulation vs Unstimulated/resting AML14.3D10 cells
Design
Preclinical
Follow-up
up to 2 hours
Authors
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Hypothesis-generating for eosinophil GM-CSF regulation; should not yet change clinical practice.
Does calcium ionophore stimulation increase GM-CSF mRNA stability and AUUUA-specific binding protein activity in AML14.3D10 cells?
Absolute Event Rate: 22% vs 6%
Calcium ionophore stimulation stabilizes GM-CSF mRNA in eosinophil-like cells, contemporaneous with increased activity of AUUUA-specific mRNA binding proteins.
Ruth et al. (1999) studied this question. Calcium ionophore vs. Unstimulated cells was evaluated on GM-CSF mRNA half-life. Calcium ionophore stimulation of AML14.3D10 cells increased GM-CSF mRNA half-life from 6 minutes to 22 minutes after 2 hours, contemporaneous with increased AUUUA-specific binding protein activity.
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