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1.
Br J Oral Maxillofac Surg ; 55(4): e17-e18, 2017 May.
Artículo en Inglés | MEDLINE | ID: mdl-27919470

RESUMEN

Acquired haemophilia is a rare disease in which bleeding is more severe than in hereditary haemophilia and usually occurs in the soft tissues, the gastrointestinal tract, or the mucous membranes. There have been only a few presentations of spontaneous sublingual haematoma in acquired haemophilia, but prompt management of the airway and identification of the underlying cause was crucial in all.


Asunto(s)
Hematoma/etiología , Hemofilia A/complicaciones , Enfermedades de la Lengua/etiología , Anciano , Hematoma/tratamiento farmacológico , Hemofilia A/tratamiento farmacológico , Humanos , Masculino , Enfermedades de la Lengua/tratamiento farmacológico
2.
Br J Haematol ; 125(5): 647-54, 2004 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-15147381

RESUMEN

The molecular basis of protein S (PS) deficiency was investigated in seven of eight donors identified with persistently low plasma PS levels from a survey of PS levels in 3788 Scottish blood donors. PROS1 gene analysis identified at least one defect in six donors. Five were heterozygous for the Heerlen polymorphism predicting a Ser460Pro substitution. Haplotype analysis revealed the possibility that this allele was inherited with the same haplotype in four of the five donors, suggesting a founder effect for the Heerlen allele in this population. One Heerlen allele carrier was also heterozygous for a 3 bp deletion 68-72 bp upstream of exon 2. Platelet PROS1 transcript analysis showed no reduction in mRNA expression from the affected allele in this donor. A T to G transversion 3 bp upstream of exon 12 was identified in one donor, which is predicted to reduce the efficiency of PS mRNA splicing. However, PROS1 transcript analysis showed no evidence of exon skipping or cryptic splicing. No PROS1 gene defect was detected in the remaining donor. This genetic information enabled us to refine our estimate of the prevalence of heritable PS deficiency in the Scottish population to between 0.16% and 0.21%, predominantly resulting from the presence of the Heerlen allele.


Asunto(s)
Mutación/genética , Deficiencia de Proteína S/genética , Femenino , Estudios de Seguimiento , Expresión Génica , Frecuencia de los Genes , Genes , Heterocigoto , Humanos , Masculino , Linaje , Prevalencia , Proteína S/análisis , Deficiencia de Proteína S/sangre , Deficiencia de Proteína S/epidemiología , Escocia/epidemiología
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