https://nova.newcastle.edu.au/vital/access/ /manager/Index en-au 5 Ensemble machine learning identifies genetic loci associated with future worsening of disability in people with multiple sclerosis https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:52379 Wed 24 Apr 2024 09:45:59 AEST ]]> A novel MMP12 locus Is associated with large artery atherosclerotic stroke using a genome-wide age-at-onset informed approach https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:16959 -7), with independent replication in a second population (p = 0.0048, OR(95% CI) = 1.18(1.05–1.32); meta-analysis p = 2.6×10-8). The nearby gene, MMP12, was significantly over expressed in carotid plaques compared to atherosclerosis-free control arteries (p = 1.2×10-15; fold change = 335.6). Permutation analyses demonstrated improved significance for associations when accounting for age-at-onset in all four stroke phenotypes (p<0.001). Our results show that a covariate-informed design, by adjusting for age-at-onset of stroke, can detect variants not identified by conventional GWAS.]]> Wed 11 Apr 2018 17:21:31 AEST ]]> Confirmation of childhood acute lymphoblastic leukemia variants, ARID5B and IKZF1, and interaction with parental environmental exposures https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:16807 -9), and IKZF1 rs1110701 (OR 1.69, CI 1.42–2.02, p = 7.26 x 10-9). There was evidence of gene-environment interaction for risk genotype at IKZF1, whereby an apparently stronger genetic effect was observed if the mother took folic acid or if the father did not smoke prior to pregnancy (respective interaction P-values: 0.04, 0.05). There were no interactions of risk genotypes with age or sex (P-values >0.2). Our results evidence that interaction of genetic variants and environmental exposures may further alter risk of childhood ALL however, investigation in a larger population is required. If interaction of folic acid supplementation and IKZF1 variants holds, it may be useful to quantify folate levels prior to initiating use of folic acid supplements.]]> Wed 11 Apr 2018 16:52:33 AEST ]]> PATJ low frequency variants are associated with worse ischemic stroke functional outcome: a genome-wide meta-analysis https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:47651 PATJ (Pals1-associated tight junction) gene were associated with worse functional outcome at 3-month after stroke. The top variant was rs76221407 (G allele, β=0.40, P=1.70x10−9). Conclusions: Our results identify a set of common variants in PATJ gene associated with 3-month functional outcome at genome-wide significance level. Future studies should examine the role of PATJ in stroke recovery and consider stringent phenotyping to enrich the information captured to unveil additional stroke outcome loci.]]> Tue 24 Jan 2023 14:58:40 AEDT ]]> Study of 300,486 individuals identifies 148 independent genetic loci influencing general cognitive function https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:41379 Tue 04 Apr 2023 19:08:51 AEST ]]>