PMID: 11345209May 10, 2001Paper

One missense mutation in the factor X gene causing factor X deficiency--factor X Kanazawa

International Journal of Hematology
E MorishitaS Nakao

Abstract

We investigated the molecular basis of factor X deficiency in a Japanese patient whose factor X activity and antigen level were 45% and 50% of normal control values, respectively. All exons and intron/exon junctions of the factor X gene were studied using a strategy combining polymerase chain reaction (PCR) amplification and nonradioactive single-strand conformational polymorphism (SSCP) analysis. Exon 5, containing the DNA fragment of the proband, showed aberrant migration by SSCP analysis. All exon-containing DNA fragments amplified by PCR were sequenced, and it was revealed that the proband was a heterozygote for a G --> A substitution in exon 5 of the factor X gene of the proband. This mutation predicts an amino acid replacement of arginine (Arg) for glycine (Gly) at codon 114 in the second EGF-like domain.

Citations

Feb 14, 2008·International Journal of Hematology·Kenji ShinoharaEriko Morishita
Jul 30, 2014·International Journal of Hematology·Yushi ChikasawaKatsuyuki Fukutake
Aug 29, 2018·Haemophilia : the Official Journal of the World Federation of Hemophilia·Satomi NagayaEriko Morishita

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