cerebral amyloid angiopathy/protease

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Hereditary cerebral amyloid angiopathy: the amyloid fibrils contain a protein which is a variant of cystatin C, an inhibitor of lysosomal cysteine proteases.

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Ingia / Ingia

Hereditary Cerebral Hemorrhage With Amyloidosis is an autosomal dominant form of amyloidosis restricted to the cerebral vasculature. We have previously demonstrated that the amyloid protein subunit is similar to Cystatin C (or gamma-trace), an inhibitor of lysosomal cysteine proteinases, and

The role of cystatin C in cerebral amyloid angiopathy and stroke: cell biology and animal models.

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Ingia / Ingia

A variant of the cysteine protease inhibitor, cystatin C, forms amyloid deposited in the cerebral vasculature of patients with hereditary cerebral hemorrhage with amyloidosis, Icelandic type (HCHWA-I), leading to cerebral hemorrhages early in life. However, cystatin C is also implicated in neuronal

Protease nexin-2/amyloid beta protein precursor. A tight-binding inhibitor of coagulation factor IXa.

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Ingia / Ingia

Protease nexin-2/amyloid beta protein precursor (PN-2/A beta PP) is an abundant, secreted platelet protein which is a potent inhibitor of coagulation Factor XIa. We examined other potential anticoagulant activities of PN-2/A beta PP. Purified Kunitz protease inhibitor domain of PN-2/A beta PP and

Fibrillar amyloid beta-protein binds protease nexin-2/amyloid beta-protein precursor: stimulation of its inhibition of coagulation factor XIa.

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Ingia / Ingia

Cerebrovascular deposition of fibrillar 39-42 amino acid amyloid beta-protein (Abeta), a condition known as cerebral amyloid angiopathy (CAA), is a key pathological feature of Alzheimer's disease and related disorders including hereditary cerebral hemorrhage with amyloidosis-Dutch type (HCHWA-D).

Studies on the proteolytic degradation of the beta-protein precursor by proteases purified from Alzheimer's disease brain.

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Ingia / Ingia

In Alzheimer's disease, Down's syndrome, hereditary cerebral hemorrhage with amyloidosis of Dutch origin, and normal aging, amyloid accumulates in the brain parenchyma and blood vessels. The major protein in the deposits is the beta-protein, a 4-kD peptide possibly generated by an abnormal

Instability of the amyloidogenic cystatin C variant of hereditary cerebral hemorrhage with amyloidosis, Icelandic type.

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Ingia / Ingia

A cystatin C variant with L68Q substitution and a truncation of 10 NH2-terminal residues is the major constituent of the amyloid deposited in the cerebral vasculature of patients with the Icelandic form of hereditary cerebral hemorrhage with amyloidosis (HCHWA-I). Variant and wild type cystatin C

Cellular processing of the amyloidogenic cystatin C variant of hereditary cerebral hemorrhage with amyloidosis, Icelandic type.

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Ingia / Ingia

An important gap in our understanding of the pathogenesis of the amyloidoses is the identification of the cellular events that lead from synthesis of an amyloid precursor protein to its conversion to the amyloid fiber subunit. We address this question by characterizing the effects of an

Distribution of the protease inhibitor alpha 1-antichymotrypsin in cerebral and systemic amyloid.

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Ingia / Ingia

We performed immunocytochemical staining to study the distribution of serum protease inhibitors in cerebral and systemic amyloid deposits. In beta-protein amyloid deposits in Alzheimer's disease, Down's syndrome, age-related cerebral amyloidosis, sporadic cerebral amyloid angiopathy and hereditary

Distribution of beta/A4 protein and amyloid precursor protein in hereditary cerebral hemorrhage with amyloidosis-Dutch type and Alzheimer's disease.

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Ingia / Ingia

Brain amyloidosis with abundant beta/A4 protein deposition in plaques and cortical and meningeal vessels is found in Alzheimer's disease (AD) and hereditary cerebral hemorrhage with amyloidosis-Dutch type (HCHWA-D). In contrast to AD, no neuritic pathology or classical congophilic plaques are found

Comparison between the Icelandic and Dutch forms of hereditary cerebral amyloid angiopathy.

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Ingia / Ingia

Hereditary cerebral amyloid angiopathy has been described in Icelandic and Dutch families. Although the clinical manifestations show similarities, biochemical characterization revealed that amyloid in the Icelandic patients consists of cystatin C and in the Dutch patients of beta-protein. Both

Stroke in Icelandic patients with hereditary amyloid angiopathy is related to a mutation in the cystatin C gene, an inhibitor of cysteine proteases.

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Ingia / Ingia

Cystatin C is an inhibitor of lysosomal cysteine proteases and consists of 120 amino acids. A variant of cystatin C lacking the first NH2-terminal residues and having one amino acid substitution at position 68 forms amyloid deposits mainly in the walls of brain arteries, causing fatal strokes in

Amyloid fibrils in hereditary cerebral hemorrhage with amyloidosis of Icelandic type is a variant of gamma-trace basic protein (cystatin C).

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Ingia / Ingia

A gamma-trace variant protein is the major constituent of the amyloid fibrils in patients from Iceland with hereditary cerebral hemorrhage with amyloidosis. The protein consists of 110 residues and is similar to human urinary gamma-trace basic protein (or cystatin C) beginning at its 11th

Immunohistochemical study of cerebral amyloid angiopathy. III. Widespread Alzheimer A4 peptide in cerebral microvessel walls colocalizes with gamma trace in patients with leukoencephalopathy.

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Ingia / Ingia

Brain tissue from 11 patients with cerebral amyloid angiopathy, changes of Alzheimer's disease, and variable degrees of subcortical leukoencephalopathy was examined by immunohistochemical methods, using primary antibodies to peptide segments representing portions of the Alzheimer A4 (beta-) peptide

Matrix metalloproteinase-9 in cerebral-amyloid-angiopathy-related hemorrhage.

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Ingia / Ingia

Spontaneous intracerebral hemorrhage (ICH) is one of the most recognized complications of cerebral amyloid angiopathy (CAA), but little is known about the molecular pathogenesis of this life-threatening complication. In this review, we present preliminary evidence which suggests that the

Distinct properties of wild-type and the amyloidogenic human cystatin C variant of hereditary cerebral hemorrhage with amyloidosis, Icelandic type.

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Ingia / Ingia

Variant human cystatin C (L68Q) is an amyloidogenic protein. It deposits in the cerebral vasculature of Icelandic patients with cerebral amyloid angiopathy, leading to stroke. Wild-type and variant cystatin C are cysteine proteinase inhibitors which form concentration dependent inactive dimers;

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