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Träfflista för sökning "WFRF:(Olsson Helena H.) "

Search: WFRF:(Olsson Helena H.)

  • Result 1-10 of 18
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  • Kehoe, Laura, et al. (author)
  • Make EU trade with Brazil sustainable
  • 2019
  • In: Science. - : American Association for the Advancement of Science (AAAS). - 0036-8075 .- 1095-9203. ; 364:6438, s. 341-
  • Journal article (other academic/artistic)
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5.
  • Beecham, Ashley H, et al. (author)
  • Analysis of immune-related loci identifies 48 new susceptibility variants for multiple sclerosis.
  • 2013
  • In: Nature genetics. - : Springer Science and Business Media LLC. - 1546-1718 .- 1061-4036. ; 45:11, s. 1353-60
  • Journal article (peer-reviewed)abstract
    • Using the ImmunoChip custom genotyping array, we analyzed 14,498 subjects with multiple sclerosis and 24,091 healthy controls for 161,311 autosomal variants and identified 135 potentially associated regions (P < 1.0 × 10(-4)). In a replication phase, we combined these data with previous genome-wide association study (GWAS) data from an independent 14,802 subjects with multiple sclerosis and 26,703 healthy controls. In these 80,094 individuals of European ancestry, we identified 48 new susceptibility variants (P < 5.0 × 10(-8)), 3 of which we found after conditioning on previously identified variants. Thus, there are now 110 established multiple sclerosis risk variants at 103 discrete loci outside of the major histocompatibility complex. With high-resolution Bayesian fine mapping, we identified five regions where one variant accounted for more than 50% of the posterior probability of association. This study enhances the catalog of multiple sclerosis risk variants and illustrates the value of fine mapping in the resolution of GWAS signals.
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6.
  • Figueroa, Jonine D., et al. (author)
  • Identification of a novel susceptibility locus at 13q34 and refinement of the 20p12.2 region as a multi-signal locus associated with bladder cancer risk in individuals of European ancestry
  • 2016
  • In: Human Molecular Genetics. - : Oxford University Press. - 0964-6906 .- 1460-2083. ; 25:6, s. 1203-1214
  • Journal article (peer-reviewed)abstract
    • Candidate gene and genome-wide association studies (GWAS) have identified 15 independent genomic regions associated with bladder cancer risk. In search for additional susceptibility variants, we followed up on four promising single-nucleotide polymorphisms (SNPs) that had not achieved genome-wide significance in 6911 cases and 11 814 controls (rs6104690, rs4510656, rs5003154 and rs4907479, P < 1 × 10−6), using additional data from existing GWAS datasets and targeted genotyping for studies that did not have GWAS data. In a combined analysis, which included data on up to 15 058 cases and 286 270 controls, two SNPs achieved genome-wide statistical significance: rs6104690 in a gene desert at 20p12.2 (P = 2.19 × 10−11) and rs4907479 within the MCF2L gene at 13q34 (P = 3.3 × 10−10). Imputation and fine-mapping analyses were performed in these two regions for a subset of 5551 bladder cancer cases and 10 242 controls. Analyses at the 13q34 region suggest a single signal marked by rs4907479. In contrast, we detected two signals in the 20p12.2 region—the first signal is marked by rs6104690, and the second signal is marked by two moderately correlated SNPs (r2 = 0.53), rs6108803 and the previously reported rs62185668. The second 20p12.2 signal is more strongly associated with the risk of muscle-invasive (T2-T4 stage) compared with non-muscle-invasive (Ta, T1 stage) bladder cancer (case–case P ≤ 0.02 for both rs62185668 and rs6108803). Functional analyses are needed to explore the biological mechanisms underlying these novel genetic associations with risk for bladder cancer.
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7.
  • Olsson, H, et al. (author)
  • Proliferation of the breast epithelium in relation to menstrual cycle phase, hormonal use, and reproductive factors
  • 1996
  • In: Breast Cancer Research and Treatment. - 1573-7217. ; 40:2, s. 187-196
  • Journal article (peer-reviewed)abstract
    • The proliferative rate in normal breast epithelium from 58 women undergoing reduction mammoplastics was studied using the formalin resistant antibody Ki-S5, and related to age at operation, menstrual cycle phase, family history of breast cancer, height and weight, parity, and hormonal use. The breast tissue from women operated on in the luteal menstrual cycle phase (day 15-28 among oral contraceptive (OC) users) had significantly higher proliferative rate than breast tissue removed from women in the follicular phase (day 1-14) (p = 0.01). Among women presently exposed to hormones, those with a positive family history of breast cancer among first and second degree relatives had significantly higher values than cases without such history (p = 0.02). Weight was not significantly related to proliferation rate, while a short height was associated with a significantly higher proliferation rate (p = 0.04). Women who used OCs before the first full-term pregnancy (FFTP) had a significantly higher proliferation rate compared with never users or late users (p = 0.04). No significant difference was seen between parous versus nulliparous women. The results from the univariate analysis persisted in multivariate models. An especially high proliferation rate was seen in young women with both a positive family history and present hormonal use (p = 0.001). Overall, it was found that young women had a non-significantly higher proliferation rate than older women (p = 0.10). Due to small sample size, these results must be regarded as preliminary, especially in the subgroup analyses.
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8.
  • Wamsler, Christine, et al. (author)
  • Environmental and climate policy integration: Targeted strategies for overcoming barriers to nature-based solutions and climate change adaptation
  • 2020
  • In: Journal of Cleaner Production. - : Elsevier BV. - 0959-6526. ; 247, s. 119-154
  • Journal article (peer-reviewed)abstract
    • Nature-based adaptation planning is a challenging endeavor, not least because it requires transdisciplinary approaches to unite different actors' efforts and capacities. However, empirical knowledge on associated governance processes is scarce and fragmented. Against this background, this paper examines the integration of nature-based approaches for climate change adaptation into municipalities’ daily planning practices and associated governance. A city-to-city learning lab was established to systematically analyze selected urban development projects step-by-step, from the initial idea, to comprehensive and detailed planning, procurement, implementation, maintenance and follow-up. The results show the numerous constraints municipal staff face and how they use targeted strategies to overcome them and tap into existing drivers. We identify five, complementary strategies: i) targeted stakeholder collaboration; ii) strategic citizen involvement; iii) outsourcing; iv) the alteration of internal working structures; and v) concealed science–policy integration. Importantly, these strategies reveal an increasing need for relational approaches that, in turn, require individuals to develop the cognitive/emotional capacity to establish trust, communicate inclusively and promote social learning, while at the same time dealing with an increasingly complex and uncertain working environment. We conclude that tapping into the potential of nature-based solutions for climate adaptation governance requires more financial and human resources, and capacity development to support personal development, systematic mainstreaming and, ultimately, more sustainable development.
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9.
  • Cirenajwis, Helena, et al. (author)
  • NF1-mutated melanoma tumors harbor distinct clinical and biological characteristics
  • 2017
  • In: Molecular Oncology. - : Wiley. - 1574-7891. ; 11:4, s. 438-451
  • Journal article (peer-reviewed)abstract
    • In general, melanoma can be considered as a UV-driven disease with an aggressive metastatic course and high mutational load, with only few tumors (acral, mucosal, and uveal melanomas) not induced by sunlight and possessing a lower mutational load. The most commonly activated pathway in melanoma is the mitogen-activated protein kinase (MAPK) pathway. However, the prognostic significance of mutational stratification is unclear and needs further investigation. Here, in silico we combined mutation data from 162 melanomas subjected to targeted deep sequencing with mutation data from three published studies. Tumors from 870 patients were grouped according to BRAF, RAS, NF1 mutation or triple-wild-type status and correlated with tumor and patient characteristics. We found that the NF1-mutated subtype had a higher mutational burden and strongest UV mutation signature. Searching for co-occurring mutated genes revealed the RASopathy genes PTPN11 and RASA2, as well as another RAS domain-containing gene RASSF2 enriched in the NF1 subtype after adjustment for mutational burden. We found that a larger proportion of the NF1-mutant tumors were from males and with older age at diagnosis. Importantly, we found an increased risk of death from melanoma (disease-specific survival, DSS; HR, 1.9; 95% CI, 1.21-3.10; P = 0.046) and poor overall survival (OS; HR, 2.0; 95% CI, 1.28-2.98; P = 0.01) in the NF1 subtype, which remained significant after adjustment for age, gender, and lesion type (DSS P = 0.03, OS P = 0.06, respectively). Melanoma genomic subtypes display different biological and clinical characteristics. The poor outcome observed in the NF1 subtype highlights the need for improved characterization of this group.
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  • Gerostathopoulos, Ilias, et al. (author)
  • Continuous Data-driven Software Engineering : Towards a Research Agenda
  • 2019
  • In: Software Engineering Notes. - : Association for Computing Machinery (ACM). - 0163-5948 .- 1943-5843. ; 44:3, s. 60-64
  • Journal article (peer-reviewed)abstract
    • The rapid pace with which software needs to be built, together with the increasing need to evaluate changes for end users both quantitatively and qualitatively calls for novel software engineering approaches that focus on short release cycles, continuous deployment and delivery, experiment-driven feature development, feedback from users, and rapid tool-assisted feedback to developers. To realize these approaches there is a need for research and innovation with respect to automation and tooling, and furthermore for research into the organizational changes that support flexible data-driven decision-making in the development lifecycle. Most importantly, deep synergies are needed between software engineers, managers, and data scientists. This paper reports on the results of the joint 5th International Workshop on Rapid Continuous Software Engineering (RCoSE 2019) and the 1st International Workshop on Data-Driven Decisions, Experimentation and Evolution (DDrEE 2019), which focuses on the challenges and potential solutions in the area of continuous data-driven software engineering.   
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  • Result 1-10 of 18
Type of publication
journal article (16)
conference paper (2)
Type of content
peer-reviewed (15)
other academic/artistic (2)
pop. science, debate, etc. (1)
Author/Editor
Olsson, Håkan (3)
Olsson, H. (2)
Friedman, E. (2)
Swärd, Hans (1)
Zhang, Yan (1)
Bures, Tomás (1)
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Davidson, R. (1)
Cook, J. (1)
Korhonen, Laura (1)
Lindholm, Dan (1)
Hays, J. (1)
Lee, A. (1)
Grundström, Karin (1)
Vertessy, Beata G. (1)
Abarkan, Abdellah (1)
Andersén, Jimmie (1)
Andersson, Björn, 19 ... (1)
Andersson, Roger (1)
Backvall, Karin (1)
Baeten, Guy (1)
Bengtsson, Bo (1)
Borén, Bo (1)
Björkhagen Turesson, ... (1)
Brunnström, Pål (1)
de Cabo, Annelie (1)
Cassegård, Carl, 197 ... (1)
Clark, Eric (1)
Cuadra, Carin (1)
Dagkouli-Kyriakoglou ... (1)
Dahlstedt, Magnus (1)
Davidsson, Tobias, 1 ... (1)
Denvall, Verner (1)
Elmersjö, Magdalena (1)
Farahani, Ilia (1)
Franzén, Mats (1)
Gabrielsson, Cathari ... (1)
Glad, Wiktoria (1)
Gustafsson, Jennie (1)
Gutzon Larsen, Henri ... (1)
Haas, Tigran (1)
Hajighasemi, Ali (1)
Hansen, Christina, 1 ... (1)
Hansson, Erik (1)
Hellström, Björn (1)
Hellström Reimer, Ma ... (1)
Henriksson, Greger (1)
Herbert, Mikaela (1)
Holgersen, Ståle (1)
Holgersson, Helena, ... (1)
Hultman, Lill (1)
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University
Lund University (11)
Karolinska Institutet (5)
Linköping University (3)
Swedish University of Agricultural Sciences (3)
University of Gothenburg (2)
Umeå University (2)
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Stockholm University (2)
Malmö University (2)
Chalmers University of Technology (2)
Royal Institute of Technology (1)
Uppsala University (1)
Mid Sweden University (1)
Linnaeus University (1)
University of Borås (1)
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Language
English (17)
Swedish (1)
Research subject (UKÄ/SCB)
Medical and Health Sciences (9)
Natural sciences (5)
Engineering and Technology (4)
Social Sciences (4)
Agricultural Sciences (1)
Humanities (1)

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