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| 2. |
- Ernst, Julie, et al.
(författare)
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Environmental action and student environmental leaders : exploring the influence of environmental attitudes, locus of control, and sense of personal responsibility
- 2015
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Ingår i: Environmental Education Research. - 1350-4622 .- 1469-5871. ; 23:2, s. 149-175
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Tidskriftsartikel (refereegranskat)abstract
- The Student Climate and Conservation Congress (SC3) is a joint educational effort between the United States Fish and Wildlife Service and the Green Schools Alliance that aims to develop the next generation of conservation leaders through fostering action competence in youth. Data from SC3 participants was used to investigate four predictors of adult environmental behavior (environmental attitudes, locus of control, sense of personal responsibility, intention) to explore their predictability of environmental action and intention toward future involvement in environmental action in student environmental leaders. Of the four variables explored, pre-program levels of environmental attitudes was a significant predictor of environmental action. Additionally, changes in levels of environmental attitudes significantly predicted environmental action, with an increase in environmental attitudes being associated with a decrease in environmental action. Pre-program levels of environmental attitudes and sense of personal responsibility, and an interaction between the two, potentially were predictors of intention toward future involvement in environmental action. Changes in pre- and post-program levels of environmental attitudes, locus of control, and sense of personal responsibility did not significantly predict intention toward future involvement in environmental action, nor did environmental action. Implications for programming and research, in light of the study’s limitations, are discussed.
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| 3. |
- Ernst, Julie, et al.
(författare)
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Environmental action and student environmental leaders : exploring the influence of environmental attitudes, locus of control, and sense of personal responsibility
- 2015
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Ingår i: Environmental Education Research. - : Carfax Publishing Ltd.. - 1350-4622 .- 1469-5871. ; 23:2, s. 149-175
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Tidskriftsartikel (refereegranskat)abstract
- The Student Climate and Conservation Congress (SC3) is a joint educational effort between the United States Fish and Wildlife Service and the Green Schools Alliance that aims to develop the next generation of conservation leaders through fostering action competence in youth. Data from SC3 participants was used to investigate four predictors of adult environmental behavior (environmental attitudes, locus of control, sense of personal responsibility, intention) to explore their predictability of environmental action and intention toward future involvement in environmental action in student environmental leaders. Of the four variables explored, pre-program levels of environmental attitudes was a significant predictor of environmental action. Additionally, changes in levels of environmental attitudes significantly predicted environmental action, with an increase in environmental attitudes being associated with a decrease in environmental action. Pre-program levels of environmental attitudes and sense of personal responsibility, and an interaction between the two, potentially were predictors of intention toward future involvement in environmental action. Changes in pre- and post-program levels of environmental attitudes, locus of control, and sense of personal responsibility did not significantly predict intention toward future involvement in environmental action, nor did environmental action. Implications for programming and research, in light of the study’s limitations, are discussed.
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| 4. |
- Ottosson, Filip, et al.
(författare)
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Unraveling the metabolomic architecture of autism in a large Danish population-based cohort
- 2024
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Ingår i: BMC Medicine. - 1741-7015. ; 22:1
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Tidskriftsartikel (refereegranskat)abstract
- Background: The prevalence of autism in Denmark has been increasing, reaching 1.65% among 10-year-old children, and similar trends are seen elsewhere. Although there are several factors associated with autism, including genetic, environmental, and prenatal factors, the molecular etiology of autism is largely unknown. Here, we use untargeted metabolomics to characterize the neonatal metabolome from dried blood spots collected shortly after birth. Methods: We analyze the metabolomic profiles of a subset of a large Danish population-based cohort (iPSYCH2015) consisting of over 1400 newborns, who later are diagnosed with autism and matching controls and in two Swedish population-based cohorts comprising over 7000 adult participants. Mass spectrometry analysis was performed by a timsTOF Pro operated in QTOF mode, using data-dependent acquisition. By applying an untargeted metabolomics approach, we could reproducibly measure over 800 metabolite features. Results: We detected underlying molecular perturbations across several metabolite classes that precede autism. In particular, the cyclic dipeptide cyclo-leucine-proline (FDR-adjusted p = 0.003) and the carnitine-related 5-aminovaleric acid betaine (5-AVAB) (FDR-adjusted p = 0.03), were associated with an increased probability for autism, independently of known prenatal and genetic risk factors. Analysis of genetic and dietary data in adults revealed that 5-AVAB was associated with increased habitual dietary intake of dairy (FDR-adjusted p < 0.05) and with variants near SLC22A4 and SLC22A5 (p < 5.0e − 8), coding for a transmembrane carnitine transporter protein involved in controlling intracellular carnitine levels. Conclusions: Cyclo-leucine-proline and 5-AVAB are associated with future diagnosis of autism in Danish neonates, both representing novel early biomarkers for autism. 5-AVAB is potentially modifiable and may influence carnitine homeostasis.
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| 5. |
- Stolk, Lisette, et al.
(författare)
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Meta-analyses identify 13 loci associated with age at menopause and highlight DNA repair and immune pathways
- 2012
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Ingår i: Nature Genetics. - : Springer Science and Business Media LLC. - 1061-4036 .- 1546-1718. ; 44:3, s. 260-268
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Tidskriftsartikel (refereegranskat)abstract
- To newly identify loci for age at natural menopause, we carried out a meta-analysis of 22 genome-wide association studies (GWAS) in 38,968 women of European descent, with replication in up to 14,435 women. In addition to four known loci, we identified 13 loci newly associated with age at natural menopause (at P < 5 × 10(-8)). Candidate genes located at these newly associated loci include genes implicated in DNA repair (EXO1, HELQ, UIMC1, FAM175A, FANCI, TLK1, POLG and PRIM1) and immune function (IL11, NLRP11 and PRRC2A (also known as BAT2)). Gene-set enrichment pathway analyses using the full GWAS data set identified exoDNase, NF-κB signaling and mitochondrial dysfunction as biological processes related to timing of menopause.
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| 6. |
- Su, Zhan, et al.
(författare)
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Common variants at the MHC locus and at chromosome 16q24.1 predispose to Barrett's esophagus.
- 2012
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Ingår i: Nature Genetics. - : Springer Science and Business Media LLC. - 1061-4036 .- 1546-1718. ; 44:10
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Tidskriftsartikel (refereegranskat)abstract
- Barrett's esophagus is an increasingly common disease that is strongly associated with reflux of stomach acid and usually a hiatus hernia, and it strongly predisposes to esophageal adenocarcinoma (EAC), a tumor with a very poor prognosis. We report the first genome-wide association study on Barrett's esophagus, comprising 1,852 UK cases and 5,172 UK controls in the discovery stage and 5,986 cases and 12,825 controls in the replication stage. Variants at two loci were associated with disease risk: chromosome 6p21, rs9257809 (Pcombined=4.09×10(-9); odds ratio (OR)=1.21, 95% confidence interval (CI)=1.13-1.28), within the major histocompatibility complex locus, and chromosome 16q24, rs9936833 (Pcombined=2.74×10(-10); OR=1.14, 95% CI=1.10-1.19), for which the closest protein-coding gene is FOXF1, which is implicated in esophageal development and structure. We found evidence that many common variants of small effect contribute to genetic susceptibility to Barrett's esophagus and that SNP alleles predisposing to obesity also increase risk for Barrett's esophagus.
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