Key result
Downregulation of profilin with antisense oligodeoxynucleotides significantly inhibited force generation and the increase in F-actin/G-actin ratio during contractile stimulation in smooth muscle.
Why the study?
Does downregulation of profilin with antisense oligodeoxynucleotides inhibit force development in canine carotid smooth muscle?
Population
Canine carotid smooth muscle strips
Comparison
Profilin antisense oligodeoxynucleotides… vs Profilin sense oligodeoxynucleotides or no…
Design
Preclinical
Follow-up
2 days (incubation)
Authors
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Profilin may regulate vascular smooth muscle contraction; leaves open its in vivo relevance and therapeutic targeting.
Does downregulation of profilin with antisense oligodeoxynucleotides inhibit force development in canine carotid smooth muscle?
Downregulation of profilin inhibits force development during smooth muscle stimulation, suggesting it is a necessary molecule in signaling cascades regulating contraction, likely through actin polymerization.
Tang et al. (2003) studied this question. Profilin antisense oligodeoxynucleotides vs. Profilin sense oligodeoxynucleotides or no treatment was evaluated on Force generation in response to stimulation with norepinephrine or KCl. Downregulation of profilin with antisense oligodeoxynucleotides significantly inhibited force generation and the increase in F-actin/G-actin ratio during contractile stimulation in smooth muscle.
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