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Psoriasis is an immune-mediated skin disorder that is inherited as a multifactorial trait. Linkage studies have clearly identified a primary disease susceptibility locus lying within the major histocompatibility complex (MHC), but have generated conflicting results for other genomic regions. To overcome this difficulty, we have carried out a genome-wide(More)
Psoriasis is a chronic skin disorder with multifactorial aetiology. Genome-wide scans have provided unambiguous evidence for a major disease susceptibility locus on chromosome 6p21 (PSORS1). A minimal PSORS1 interval has been defined which encompasses three genes (HLA-C, HCR and CDSN) carrying psoriasis-associated SNPs. On the basis of this genetic(More)
To gain further insight into the genetic architecture of psoriasis, we conducted a meta-analysis of three genome-wide association studies (GWAS) and two independent datasets genotyped on the Immunochip, involving 10,588 cases and 22,806 controls in total. We identified 15 new disease susceptibility regions, increasing the number of psoriasis-associated loci(More)
Preclinical studies demonstrate that pro-inflammatory cytokines increase serotonin transporter availability and function, leading to depressive symptoms in rodent models. Herein we investigate associations between circulating inflammatory markers and brainstem serotonin transporter (5-HTT) availability in humans. We hypothesised that higher circulating(More)
Driven by advances in molecular genetic technologies and statistical analysis methodologies, there have been huge strides taken in dissecting the complex genetic basis of many inflammatory dermatoses. One example is psoriasis, for which application of classical linkage analysis and genome-wide association investigation has identified genetic loci of major(More)
987 PRACTICE For the full versions of these articles see bmj.com reflect the clinical importance of the recommendations. Recommended best practice (" good practice points "), based on the clinical experience of the guideline development group, is also indicated (as GPP). Diagnosis and assessment in primary care • Diagnose chronic plaque psoriasis (psoriasis(More)
Psoriasis is a chronic, immune mediated inflammatory disease characterized by increased cell signalling via cytokines and chemokines on a background of up-regulated gene expression. There is substantial evidence that psoriasis should be regarded as more than a cutaneous disease; major psychological morbidity and increased mortality from cardiovascular(More)
A comprehensive evaluation of the risk of serious infections in biologic therapies for psoriasis is lacking. We performed a systematic review and meta-analysis of randomized controlled trials (RCTs) and prospective cohort studies reporting serious infections in people taking any licensed biologic therapy for psoriasis compared with those taking placebo,(More)
Elucidating the poorly defined mechanisms by which inflammatory lesions are spatially restricted in vivo is of critical importance in understanding skin disease. Chemokines are the principal regulators of leukocyte migration and are essential in the initiation and maintenance of inflammation. The membrane-bound psoriasis-associated atypical chemokine(More)