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Early disease onset...
Early disease onset is predicted by a higher genetic risk for lupus and is associated with a more severe phenotype in lupus patients
- Article/chapterEnglish2011
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2010-09-29
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BMJ,2011
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printrdacarrier
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LIBRIS-ID:oai:DiVA.org:uu-142833
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-142833URI
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https://doi.org/10.1136/ard.2010.141697DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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Background Systemic lupus erythematosus (SLE) is a chronic, multiorgan, autoimmune disease that affects people of all ages and ethnicities. Objectives To explore the relationship between age at disease onset and many of the diverse manifestations of SLE. Additionally, to determine the relationship between age of disease onset and genetic risk in patients with SLE. Methods The relationship between the age at disease onset and SLE manifestations were explored in a multiracial cohort of 1317 patients. Patients with SLE were genotyped across 19 confirmed genetic susceptibility loci for SLE. Logistic regression was used to determine the relationships between the number of risk alleles present and age of disease onset. Results Childhood-onset SLE had higher odds of proteinuria, malar rash, anti-dsDNA antibody, haemolytic anaemia, arthritis and leucopenia (OR=3.03, 2.13, 2.08, 2.50, 1.89, 1.53, respectively; p values < 0.0001, 0.0004, 0.0005, 0.0024, 0.0114, 0.045, respectively). In female subjects, the odds of having cellular casts were 2.18 times higher in childhood-onset than in adult-onset SLE (p=0.0027). With age of onset >= 50, the odds of having proteinuria, cellular casts, anti-nRNP antibody, anti-Sm antibody, anti-dsDNA antibody and seizures were reduced. However, late adult-onset patients with SLE have higher odds of developing photosensitivity than early adult-onset patients. Each SLE-susceptibility risk allele carried within the genome of patients with SLE increased the odds of having a childhood-onset disease in a race-specifi c manner: by an average of 48% in Gullah and 25% in African-Americans, but this was not significant in Hispanic and European-American lupus patients. Conclusions The genetic contribution towards predicting early-onset disease in patients with SLE is quantified for the first time. A more severe SLE phenotype is found in patients with early-onset disease in a large multi-racial cohort, independent of gender, race and disease duration.
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Added entries (persons, corporate bodies, meetings, titles ...)
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Kelly, Jennifer A.
(author)
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Somers, Emily C.
(author)
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Hughes, Travis
(author)
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Kaufman, Kenneth M.
(author)
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Sanchez, Elena
(author)
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Nath, Swapan K.
(author)
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Bruner, Gail
(author)
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Alarcon-Riquelme, Marta E.Uppsala universitet,Institutionen för genetik och patologi(Swepub:uu)martaala
(author)
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Gilkeson, Gary S.
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Kamen, Diane L.
(author)
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Richardson, Bruce C.
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Harley, John B.
(author)
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Sawalha, Amr H.
(author)
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Uppsala universitetInstitutionen för genetik och patologi
(creator_code:org_t)
Related titles
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In:Annals of the Rheumatic Diseases: BMJ70:1, s. 151-1560003-49671468-2060
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Webb, Ryan
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Kelly, Jennifer ...
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Somers, Emily C.
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Hughes, Travis
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Kaufman, Kenneth ...
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Sanchez, Elena
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Nath, Swapan K.
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Bruner, Gail
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Alarcon-Riquelme ...
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Gilkeson, Gary S ...
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Kamen, Diane L.
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Richardson, Bruc ...
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Harley, John B.
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Sawalha, Amr H.
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Uppsala University