Otherwise healthy children with recurrent IPD should be explored for underlying primary immunodeficiencies affecting the IRAK4-dependent and NEMO-dependent signalling pathways.
This is the first overview of patients diagnosed with APS I in Hungary. A novel c.1344delC mutation in AIRE was detected. Anti-IFN-omega antibodies seem to appear very early in life and are helpful to differentiate APS I from other multi-organ autoimmune diseases.
Fabry's disease is an X-linked lysosomal storage disorder. alpha-Galactosidase deficiency leads to accumulation of globotriaosylceramide mainly in endothelial and smooth muscle cells. Cerebrovascular symptoms with predominant affection of the vertebrobasilar circulation are one of the major sources of morbidity in Fabry's disease. We present a Hungarian family with Fabry's disease caused by a new mutation in the alpha-galactosidase A gene (GLA), and describe a variant expression of the disease. Megadolichobasilar anomaly was diagnosed in two male patients in the family who died of thrombosis. In another female patient who had suffered from disturbance of the vertebrobasilar circulation, a strongly dilated basilar artery without thrombosis was found at autopsy. Another three family members had basilar strokes and large and elongated basilar arteries on MRI. Genetic analysis disclosed a c.47T-->C missense mutation resulting in L16P in the amino acid sequence of the alpha-galactosidase protein. This report suggests that megadolichobasilar anomaly is potentially life-threatening, and that L16P is a disease-causing mutation in patients with Fabry's disease. Early enzyme replacement therapy may prevent the development of these irreversible cerebrovascular complications.
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