Interferon-α and the calcifying microangiopathy in Aicardi-Goutières syndrome.

Abstract:

:Aicardi-Goutières syndrome is a leukoencephalopathy with calcifications and increased cerebrospinal fluid interferon-α. The relation between interferon-α and brain pathology is poorly understood. We report a patient with mutations in the disease-associated gene SAMHD1. Neuropathology showed an extensive microangiopathy with calcifications consistently associate with blood vessels. In an in vitro model of the microangiopathy, interferon-α enhanced vascular smooth muscle cell-derived calcifications. The noninfarcted white matter harbored apoptotic oligodendrocytes and increased numbers of oligodendrocyte progenitors. These findings better define the white matter pathology and provide evidence that interferon-α plays a direct pathogenetic role in the calcifying angiopathy typical of this disease.

journal_name

Ann Clin Transl Neurol

authors

Klok MD,Bakels HS,Postma NL,van Spaendonk RM,van der Knaap MS,Bugiani M

doi

10.1002/acn3.213

subject

Has Abstract

pub_date

2015-07-01 00:00:00

pages

774-9

issue

7

issn

2328-9503

journal_volume

2

pub_type

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