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- Leo, P. J., et al.
(författare)
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Defining the genetic susceptibility to cervical neoplasia-A genome-wide association study
- 2017
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Ingår i: PLoS Genetics. - : Public Library of Science (PLoS). - 1553-7404 .- 1553-7390. ; 13:8
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Tidskriftsartikel (refereegranskat)abstract
- A small percentage of women with cervical HPV infection progress to cervical neoplasia, and the risk factors determining progression are incompletely understood. We sought to define the genetic loci involved in cervical neoplasia and to assess its heritability using unbiased unrelated case/control statistical approaches. We demonstrated strong association of cervical neoplasia with risk and protective HLA haplotypes that are determined by the amino-acids carried at positions 13 and 71 in pocket 4 of HLA-DRB1 and position 156 in HLA-B. Furthermore, 36% (standard error 2.4%) of liability of HPV-associated cervical pre-cancer and cancer is determined by common genetic variants. Women in the highest 10% of genetic risk scores have approximately > 7.1% risk, and those in the highest 5% have approximately > 21.6% risk, of developing cervical neoplasia. Future studies should examine genetic risk prediction in assessing the risk of cervical neoplasia further, in combination with other screening methods.
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- Bauermeister, S, et al.
(författare)
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The Dementias Platform UK (DPUK) Data Portal
- 2020
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Ingår i: European journal of epidemiology. - : Springer Science and Business Media LLC. - 1573-7284 .- 0393-2990. ; 35:6, s. 601-611
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Tidskriftsartikel (refereegranskat)abstract
- The Dementias Platform UK Data Portal is a data repository facilitating access to data for 3 370 929 individuals in 42 cohorts. The Data Portal is an end-to-end data management solution providing a secure, fully auditable, remote access environment for the analysis of cohort data. All projects utilising the data are by default collaborations with the cohort research teams generating the data. The Data Portal uses UK Secure eResearch Platform infrastructure to provide three core utilities: data discovery, access, and analysis. These are delivered using a 7 layered architecture comprising: data ingestion, data curation, platform interoperability, data discovery, access brokerage, data analysis and knowledge preservation. Automated, streamlined, and standardised procedures reduce the administrative burden for all stakeholders, particularly for requests involving multiple independent datasets, where a single request may be forwarded to multiple data controllers. Researchers are provided with their own secure ‘lab’ using VMware which is accessed using two factor authentication. Over the last 2 years, 160 project proposals involving 579 individual cohort data access requests were received. These were received from 268 applicants spanning 72 institutions (56 academic, 13 commercial, 3 government) in 16 countries with 84 requests involving multiple cohorts. Projects are varied including multi-modal, machine learning, and Mendelian randomisation analyses. Data access is usually free at point of use although a small number of cohorts require a data access fee.
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- Burgunder, J-M, et al.
(författare)
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EFNS guidelines for the molecular diagnosis of neurogenetic disorders : motoneuron, peripheral nerve and muscle disorders
- 2011
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Ingår i: European Journal of Neurology. - : Wiley-Blackwell. - 1351-5101 .- 1468-1331. ; 18:2, s. 207-E20
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Tidskriftsartikel (refereegranskat)abstract
- Objectives: These EFNS guidelines on the molecular diagnosis of motoneuron disorders, neuropathies and myopathies are designed to summarize the possibilities and limitations of molecular genetic techniques and to provide diagnostic criteria for deciding when a molecular diagnostic work-up is indicated. Search strategy: To collect data about planning, conditions and performance of molecular diagnosis of these disorders, a literature search in various electronic databases was carried out and original papers, meta-analyses, review papers and guideline recommendations reviewed. Results: The best level of evidence for genetic testing recommendation (B) can be found for the disorders with specific presentations, including familial amyotrophic lateral sclerosis, spinal and bulbar muscular atrophy, Charcot-Marie-Tooth 1A, myotonic dystrophy and Duchenne muscular dystrophy. For a number of less common disorders, a precise description of the phenotype, including the use of immunologic methods in the case of myopathies, is considered as good clinical practice to guide molecular genetic testing. Conclusion: These guidelines are provisional and the future availability of molecular-genetic epidemiological data about the neurogenetic disorders under discussion in this article will allow improved recommendation with an increased level of evidence.
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- Burgunder, J-M., et al.
(författare)
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Molecular diagnosis of neurogenetic disorders : motoneuron, peripheral nerve and muscle disorders
- 2012. - 2
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Ingår i: European handbook of neurological management. - Oxford, UK : Wiley-Blackwell. - 9781444346268 - 9781405185349 ; , s. 97-109
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Bokkapitel (refereegranskat)abstract
- Objectives: The EFNS guidelines on the molecular diagnosis of motoneuron disorders, neuropathies and myopathies are designed to summarize the possibilities and limitations of molecular genetic techniques and to provide diagnostic criteria for deciding when a molecular diagnostic work-up is indicated.Search strategy: To collect data about the planning, conditions and performance of molecular diagnosis of these disorders, a literature search in various electronic databases was carried out and original papers, meta-analyses, review papers and guideline recommendations reviewed.Results: The best level of evidence for genetic testing recommendation (Level B) can be found for the disorders with specific presentations, including familial ALS, spinal and bulbar muscular atrophy, Charcot-Marie-Tooth 1A, myotonic dystrophy and Duchenne muscular dystrophy. For a number of less common disorders a precise description of the phenotype, including the use of immunological methods in the case of myopathies, is considered good clinical practice to guide molecular genetic testing.Conclusion: These guidelines are provisional and the availability of molecular-genetic epidemiological data in the future about the neurogenetic disorders under discussion in the present paper will allow improved recommendation with an increased level of evidence.
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- Pettersson-Kymmer, Ulrika, et al.
(författare)
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HLA and KIR Associations of Cervical Neoplasia
- 2018
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Ingår i: Journal of Infectious Diseases. - : Oxford University Press. - 0022-1899 .- 1537-6613. ; 218:12, s. 2006-2015
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Tidskriftsartikel (refereegranskat)abstract
- Background: Cervical cancer is the fourth most common cancer in women, and we recently reported human leukocyte antigen (HLA) alleles showing strong associations with cervical neoplasia risk and protection. HLA ligands are recognised by killer immunoglobulin-like receptors (KIRs) expressed on a range of immune cell subsets, governing their proinflammatory activity. We hypothesized that the inheritance of particular HLA-KIR combinations would increase cervical neoplasia risk.Methods: Here, we used HLA and KIR dosages imputed from SNP genotype data from 2,143 cervical neoplasia cases and 13,858 healthy controls of European decent.Results: Four novel HLA alleles were identified in association with cervical neoplasia: HLA-DRB3*9901 (OR=1.24, P=2.49×10-9), HLA-DRB5*0101 (OR=1.29, P=2.26×10-8), HLA-DRB5*9901 (OR=0.77, P=1.90×10-9) and HLA-DRB3*0301 (OR=0.63, P=4.06×10-5), due to their linkage disequilibrium with known cervical neoplasia-associated HLA-DRB1 alleles. We also found homozygosity of HLA-C1 group alleles is a protective factor for HPV16-related cervical neoplasia (C1/C1, OR=0.79, P=0.005). This protective association was restricted to carriers of either KIR2DL2 (OR=0.67, P=0.00045) or KIR2DS2 (OR=0.69, P=0.0006).Conclusions: Our findings suggest that HLA-C1 group alleles play a role in protecting against HPV16-related cervical neoplasia, mainly through a KIR-mediated mechanism.
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