Human activated protein C variants in a rat model of arterial thrombosis
2008

Effects of Human Activated Protein C Variants in a Rat Model of Arterial Thrombosis

Sample size: 60 publication Evidence: moderate

Author Information

Author(s): Karl Malm, Björn Arnljots, Björn Dahlbäck

Primary Institution: Lund University, University Hospital, Malmö, Sweden

Hypothesis

Can human activated protein C variants enhance antithrombotic effects when combined with human protein S in a rat model of arterial thrombosis?

Conclusion

The study found that human activated protein C variants did not produce significant antithrombotic effects in a rat model, even when combined with human protein S.

Supporting Evidence

  • Activated protein C is crucial for regulating blood coagulation.
  • Previous studies showed antithrombotic effects of activated protein C in other animal models.
  • The study found no significant antithrombotic effects of the tested variants in the rat model.

Takeaway

The researchers tested new versions of a blood protein to see if they could help prevent blood clots in rats, but they didn't work as hoped.

Methodology

The study involved a blind randomized trial with 60 rats divided into treatment groups receiving different combinations of activated protein C and protein S.

Limitations

The study's findings may not be applicable across species due to differences in the human and rat hemostatic systems.

Participant Demographics

Sixty male Sprague-Dawley albino rats with a mean body weight of 263 grams.

Statistical Information

P-Value

0.14

Statistical Significance

p=0.14

Digital Object Identifier (DOI)

10.1186/1477-9560-6-16

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