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Results for “Factor VII Deficiency”

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At least 811 records · Page 45Linked to original sources
PubMed1995

The rarer inherited coagulation disorders: a review.

Of the inherited bleeding disorders, haemophilia A, haemophilia B and von Willebrand's disease make up together well over 80% of those registered with the UK Haemophilia Centre Directors. The common simple screening tests of coagulation may overlook some of the more rare disorders and it is clearly important that such uncommon bleeding disorders are excluded during the course of the investigation of children considered to be suffering from non-accidental injury. In this article, some of the rare inherited bleeding disorders are considered, including haemophilia B Leyden, deficiencies of factors VII, X, XI, and XII, as well as inherited defects of platelet number and function. Presenting features are described and recommendations regarding appropriate therapy given. In order to assist in advancing understanding of the biochemistry and molecular genetics of these disorders, clinicians are encouraged to share clinical information and, where appropriate, blood samples with interested research workers.

Blood Coagulation Disorders↗
PubMed1997

Proaggregatory and procoagulant properties of three murine mammary gland tumor cell lines with different metastatic capabilities.

We have investigated the in vitro proaggregatory and procoagulant properties of three murine tumor cell lines having different metastatic potentials. The characterization was carried out with appropriate procoagulant inhibitors and plasma deficient in factors VII and X. The proaggregatory properties of M2, M3 and MM3 cell lines increased according to their metastatic potentials. Their procoagulant activity were dependent on factor X. The prothrombotic abilities exhibited by neoplastic cells (NC), acting synergistically, might play a role in cancer dissemination.

Adenocarcinoma↗
PubMed1993

Detection of missense mutations by single-strand conformational polymorphism (SSCP) analysis in five dysfunctional variants of coagulation factor VII.

Five unrelated subjects with dysfunctional coagulation factor VII (FVII) were studied in order to identify missense mutations affecting function. Exons 2 to 8 and the intron-exon junctions of their FVII genes were amplified from peripheral white blood cell DNA by PCR and screened by SSCP analysis. DNA fragments showing aberrant mobility were sequenced. The following mutations were identified: in case 1 (FVII:C < 1%, FVII:Ag 18%) a heterozygous A to G transition at nucleotide 8915 in exon 6 results in the amino acid substitution Lys-137 to Glu near the C-terminus of the FVIIa light chain; in case 2 (FVII:C 7%, FVII:Ag 47%) a heterozygous A to G transition at nucleotide 7834 in exon 5 results in the substitution of Gln-100 by Arg in the second EGF-like domain; in case 3 (FVII:C 20%, FVII:Ag 76%) a homozygous G to A transition at nucleotide position 6055 in exon 4 was detected resulting in substitution of Arg-79 by Gln in the first EGF-like domain; in case 5 (FVII:C 10%, FVII:Ag 52%) a heterozygous C to T transition at nucleotide position 6054 in exon 4 also results in the substitution of Arg79, but in this case it is replaced by Trp; case 4 (FVII:C < 1%, FVII:Ag 100%) was homozygous for a previously reported mutation (G to A) at nucleotide position 10715 in exon 8, substituting Gln for Arg at position 304 in the protease domain. Cases 1, 2 and 5 evidently have additional undetected mutations.

Amino Acid Sequence↗