Inhibition of Smooth Muscle Contraction and Platelet Aggregation by Peptide 204-212 of Lipocortin 5: An Attempt to Define Some Structure Requirements
1993
Inhibition of Smooth Muscle Contraction and Platelet Aggregation by Peptide 204-212 of Lipocortin 5
publication
Evidence: moderate
Author Information
Author(s): K.G. Mugridge, C. Becherucci, L. Parente, M. Perretti
Primary Institution: Istituto Ricerche Immunobiologiche Siena
Hypothesis
What are the structural requirements for the biological activity of peptide 204-212 of lipocortin 5?
Conclusion
Peptide 204-212 of lipocortin 5 effectively inhibits smooth muscle contractions and platelet aggregation in a concentration-dependent manner.
Supporting Evidence
- Peptide 204-212 inhibited PLA2 induced contractions with an IC30 of 10 µM.
- The seven amino acid fragment 206-212 retained the inhibitory activity of the parent nonapeptide.
- Peptide 204-212 showed a concentration-dependent inhibition of platelet aggregation.
- Both pentapeptides 208-212 and 204-208 exhibited some inhibitory activity, although with reduced potency.
Takeaway
This study found that a specific peptide can help stop muscle contractions and blood clots, which might help with inflammation.
Methodology
The study used in vitro models to test the effects of various peptides on smooth muscle contractions and platelet aggregation.
Statistical Information
Statistical Significance
p<0.05
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