Front Biosci
251 Nieuwland Science Hall, W.M. Keck Center for Transgene Research and the Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, USA.
Published: February 2001
Tissue Factor Pathway Inhibitor (TFPI) is a serine protease inhibitor of the Factor VIIa/Tissue Factor (FVIIa/TF)-initiated clotting cascade. Mice expressing a mutant form of TFPI, in which its Kunitz-1 domain has been deleted (TFPIKu1delta/delta), die prematurely in embryogenesis between E9.5dpc and birth. These results provide a rationale for the absence of TFPI-deficient patients. This early mortality can be ameliorated by an accompanying heterozygous or homozygous deficiency in FVII. Thus, diminishment of FVII activity precludes the requirement for TFPI-mediated inhibition of the FVIIa/TF pathway during embryogenesis.
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http://dx.doi.org/10.2741/chan | DOI Listing |
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