{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T10:12:44Z","timestamp":1791886364027,"version":"4.3.4"},"reference-count":59,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2024,7,25]],"date-time":"2024-07-25T00:00:00Z","timestamp":1721865600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Brain Pathology"],"published-print":{"date-parts":[[2025,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Hereditary cystatin C amyloid angiopathy (HCCAA) is an Icelandic disease that belongs to a disease class called cerebral amyloid angiopathy, a group of heterogenous diseases presenting with aggregation of amyloid complexes and deposition predominantly in the central nervous system. HCCAA is dominantly inherited, caused by L68Q mutation in the cystatin C gene, leading to aggregation of the cystatin C protein. HCCAA is a very progressive and severe disease, with widespread cerebral and parenchymal cystatin C and collagen IV deposition within the central nervous system (CNS) but also in other organs in the body, for example, in the skin. Most L68Q carriers have clinical symptoms characterized by recurrent hemorrhages and dementia, between the age of 20\u201330\u2009years. If the carriers survive the first hemorrhage, the frequency and severity of the hemorrhages tend to increase, resulting in death at average of 30\u2009years with mean number of major hemorrhages ranging from 3.2 to 3.9 over a 5\u2010year average life span. The pathogenesis of the disease in carriers is very similar in the CNS and in the skin based on autopsy studies, thus skin biopsies can be used to monitor the progression of the disease by quantifying the cystatin C immunoreactivity. The cystatin C deposition always colocalizes with collagen IV and fibroblasts in the skin are found to be the main cell type responsible for the deposition of both proteins. No therapy is available for this devastating disease.<\/jats:p>","DOI":"10.1111\/bpa.13291","type":"journal-article","created":{"date-parts":[[2024,7,26]],"date-time":"2024-07-26T02:00:02Z","timestamp":1721959202000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["The historical background of hereditary cystatin C amyloid angiopathy: Genealogical, pathological, and clinical manifestations"],"prefix":"10.1111","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-9753-8726","authenticated-orcid":false,"given":"Asbjorg Osk","family":"Snorradottir","sequence":"first","affiliation":[{"name":"Faculty of Medicine University of Iceland  Reykjavik Iceland"},{"name":"Department of Pathology Landspitali University Hospital  Reykjavik Iceland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hakon","family":"Hakonarson","sequence":"additional","affiliation":[{"name":"Faculty of Medicine University of 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