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Interleukin-10 prom...
Interleukin-10 promoter polymorphism IL10.G and familial early onset psoriasis
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Hensen, P (författare)
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Asadullah, K (författare)
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Windemuth, C (författare)
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Rüschendorf, F (författare)
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Hüffmeier, U (författare)
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Ständer, M (författare)
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- Schmitt-Egenolf, Marcus (författare)
- Umeå universitet,Dermatologi och venereologi
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Wienker, TF (författare)
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Reis, A (författare)
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Traupe, H (författare)
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(creator_code:org_t)
- John Wiley & Sons, 2003
- 2003
- Engelska.
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Ingår i: British Journal of Dermatology. - : John Wiley & Sons. - 0007-0963 .- 1365-2133. ; 149:2, s. 381-385
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- BACKGROUND: The anti-inflammatory cytokine interleukin (IL)-10 is considered to play a major role in the pathophysiology of psoriasis, which is characterized by an IL-10 deficiency. Systemic administration of IL-10 has been shown to be an effective therapy for psoriasis. The IL-10 promoter region contains a highly polymorphic microsatellite (IL10.G) and in a recent case-control study the IL10.G13 (144 bp) allele was found to be associated with familial early onset psoriasis (type 1 psoriasis) having a susceptible effect.OBJECTIVES: As it is essential in multifactorial diseases to replicate findings before definite conclusions can be drawn, we decided to perform a follow-up study and to follow a genetic approach analysing allele transmission in families with a positive family history of psoriasis.METHODS: We studied 137 nuclear families (trio-design) comprising 456 individuals and genotyped the IL10.G marker. For comparison we also genotyped the microsatellite tn62 as a reference marker of the major psoriasis susceptibility locus on chromosome 6p21 (PSORS1). In the present study allele transmission was evaluated using the family-based association test (FBAT) and GENEHUNTER 2.0 based on the transmission/disequilibrium test.RESULTS: The G13 allele (144 bp) had a frequency of 24%, was present in 88 families and clearly showed an even transmission (FBAT, P = 0.753). In contrast, allele 3 (IL10.G9) (136 bp) had a frequency of 39%, was present in 110 families and was transmitted in 43 trios and remained untransmitted in 67 trios (FBAT, P = 0.026), thus showing preferential nontransmission. For the HLA-linked tn62-marker we obtained a P-value of 0.00027 for allele 4 in the same study group.CONCLUSIONS: In conclusion, we failed to confirm the susceptible effect of the G13 allele, but provide the first data for a protective effect of allele 3 (IL10.G9) for familial psoriasis. Our results suggest that the IL10.G polymorphism is not a major locus, but acts as a minor locus.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Dermatologi och venereologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Dermatology and Venereal Diseases (hsv//eng)
Nyckelord
- complex diseases;cytokine;disease susceptibility;genetics;promoter polymorphism;psoriasis
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Hensen, P
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Asadullah, K
-
Windemuth, C
-
Rüschendorf, F
-
Hüffmeier, U
-
Ständer, M
-
visa fler...
-
Schmitt-Egenolf, ...
-
Wienker, TF
-
Reis, A
-
Traupe, H
-
visa färre...
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- MEDICIN OCH HÄLSOVETENSKAP
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Umeå universitet