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Related Experiment Videos

Characterization of a cDNA encoding murine coagulation factor VII

E Idusogie1, E Rosen, J P Geng

  • 1Department of Chemistry and Biochemistry, University of Notre Dame, Indiana 46556, USA.

Thrombosis and Haemostasis
|March 1, 1996
PubMed
Summary

Researchers isolated and reconstructed the murine coagulation factor VII (mfVII) cDNA, revealing a protein highly homologous to other species. Key protein domains are conserved in mfVII, suggesting similar functions.

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Area of Science:

  • Molecular Biology
  • Biochemistry
  • Genetics

Background:

  • Coagulation factor VII (fVII) is a critical serine protease in the extrinsic pathway of blood coagulation.
  • Understanding the genetic and molecular basis of fVII across species aids in comparative studies and potential therapeutic development.

Purpose of the Study:

  • To isolate and characterize the complementary DNA (cDNA) encoding murine coagulation factor VII (mfVII).
  • To analyze the structural features and homology of mfVII compared to fVII from other species.

Main Methods:

  • Construction of a lambda Zap cDNA library from murine liver mRNA.
  • Isolation and sequencing of the mfVII cDNA.
  • Bioinformatic analysis of the deduced amino acid sequence and protein domains.

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Main Results:

  • The mfVII cDNA comprises 1903 nucleotides, including upstream and downstream regions, an open reading frame, and a poly(A) tail.
  • The predicted translation product consists of a 41-amino acid signal/propeptide and a 405-residue mature protein.
  • The mature mfVII protein exhibits high sequence homology to human, rabbit, bovine, Rhesus monkey, and canine fVII.
  • All conserved protein domains found in human fVII (hfVII) are also present in mfVII.

Conclusions:

  • The successful isolation and characterization of mfVII cDNA provide a valuable resource for studying murine hemostasis.
  • The high degree of homology and conserved domains suggest that mfVII plays a functionally similar role to fVII in other mammals.
  • This study lays the groundwork for further investigations into the specific functions and regulatory mechanisms of mfVII in mice.