A total of 293 patients with plaque psoriasis, 82 patients with psoriasis guttata and 202 control subjects were enrolled in this study. Investigations focused on 3 polymorphisms in retinoid X receptors RXRA and RXRB gene associations. The possible association of their variability with psoriasis was investigated.
A marginally significant increase in AA allelic frequency of the RXRA A39526AA polymorphism in plaque psoriatic men compared to healthy ones was proven. In women with psoriasis guttata, a higher risk for genotypes AA and TT in the RXRB 3'+140A/T polymorphism compared to healthy women was identified. The genotypes A/A and AA/AA were more frequent in plaque psoriasis patients with a positive family history of psoriasis compared to patients with a negative family history of psoriasis. The A/A genotype was more frequent in patients with plaque psoriasis and repeated tonsillitis/tonsillectomy. In the RXRB polymorphism, no genotype TT was observed in patients with psoriasis guttata with a positive personal history of repeated tonsillitis.
Accordingly, these two RXR polymorphisms seem to be susceptibility genes for psoriasis. This knowledge contributes to improving the results of psoriasis therapy using a pharmacogenomic approach.
Carla Holmes | alfa
New risk factors for anxiety disorders
24.02.2017 | Julius-Maximilians-Universität Würzburg
Stingless bees have their nests protected by soldiers
24.02.2017 | Johannes Gutenberg-Universität Mainz
In the field of nanoscience, an international team of physicists with participants from Konstanz has achieved a breakthrough in understanding heat transport
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The Fraunhofer IWS Dresden and Technische Universität Dresden inaugurated their jointly operated Center for Additive Manufacturing Dresden (AMCD) with a festive ceremony on February 7, 2017. Scientists from various disciplines perform research on materials, additive manufacturing processes and innovative technologies, which build up components in a layer by layer process. This technology opens up new horizons for component design and combinations of functions. For example during fabrication, electrical conductors and sensors are already able to be additively manufactured into components. They provide information about stress conditions of a product during operation.
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Physicist Dr. Rantej Bali from the HZDR, together with scientists from Singapore and Australia, designed a special grid structure in a thin layer of cobalt in...
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