Hjörtur H Jónsson

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Osteoarthritis (OA) is the most common human joint disease, characterized by loss and/or remodeling of joint synovium, cartilage, and bone. Here, we describe a genomewide linkage analysis of patients with idiopathic hand OA who were carefully phenotyped for involvement of either or both the distal interphalangeal (DIP) joints and the first carpometacarpal(More)
A major susceptibility gene for psoriasis is located in the major histocompatibility complex class I region on chromosome 6 very close to the HLA-Cw6 gene. We collected a cohort of 1,019 patients with chronic plaque psoriasis. The patients were typed for HLA-C and HLA-B. A total of 654 (64.2%) were HLA-Cw*0602 positive but 365 (35.8%) carried other HLA-C(More)
Stroke is one of the most complex diseases, with several subtypes, as well as secondary risk factors, such as hypertension, hyperlipidemia, and diabetes, which, in turn, have genetic and environmental risk factors of their own. Here, we report the results of a genomewide search for susceptibility genes for the common forms of stroke. We cross-matched a(More)
Psoriasis is a chronic inflammatory skin disease with overlapping subphenotypes. It has a strong complex genetic component, but has been problematic to identifying significant loci. We evaluated 1000 patients with chronic plaque psoriasis and documented several subphenotypes. Here we report results of genome-wide linkage scans for psoriasis genes in 238(More)
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