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GISCOME – Genetics of Ischaemic Stroke Functional Outcome network : A protocol for an international multicentre genetic association study

Maguire, Jane M. ; Bevan, Steve ; Stanne, Tara M. ; Lorenzen, Erik ; Fernandez-Cadenas, Israel ; Hankey, Graeme J. ; Jimenez-Conde, Jordi ; Jood, Katarina ; Lee, Jin Moo and Lemmens, Robin , et al. (2017) In European Stroke Journal 2(3). p.229-237
Abstract

Introduction: Genome-wide association studies have identified several novel genetic loci associated with stroke risk, but how genetic factors influence stroke outcome is less studied. The Genetics of Ischaemic Stroke Functional outcome network aims at performing genetic studies of stroke outcome. We here describe the study protocol and methods basis of Genetics of Ischaemic Stroke Functional outcome. Methods: The Genetics of Ischaemic Stroke Functional outcome network has assembled patients from 12 ischaemic stroke projects with genome-wide genotypic and outcome data from the International Stroke Genetics Consortium and the National Institute of Neurological Diseases Stroke Genetics Network initiatives. We have assessed the availability... (More)

Introduction: Genome-wide association studies have identified several novel genetic loci associated with stroke risk, but how genetic factors influence stroke outcome is less studied. The Genetics of Ischaemic Stroke Functional outcome network aims at performing genetic studies of stroke outcome. We here describe the study protocol and methods basis of Genetics of Ischaemic Stroke Functional outcome. Methods: The Genetics of Ischaemic Stroke Functional outcome network has assembled patients from 12 ischaemic stroke projects with genome-wide genotypic and outcome data from the International Stroke Genetics Consortium and the National Institute of Neurological Diseases Stroke Genetics Network initiatives. We have assessed the availability of baseline variables, outcome metrics and time-points for collection of outcome data. Results: We have collected 8831 ischaemic stroke cases with genotypic and outcome data. Modified Rankin score was the outcome metric most readily available. We detected heterogeneity between cohorts for age and initial stroke severity (according to the NIH Stroke Scale), and will take this into account in analyses. We intend to conduct a first phase genome-wide association outcome study on ischaemic stroke cases with data on initial stroke severity and modified Rankin score within 60–190 days. To date, we have assembled 5762 such cases and are currently seeking additional cases meeting these criteria for second phase analyses. Conclusion: Genetics of Ischaemic Stroke Functional outcome is a unique collection of ischaemic stroke cases with detailed genetic and outcome data providing an opportunity for discovery of genetic loci influencing functional outcome. Genetics of Ischaemic Stroke Functional outcome will serve as an exploratory study where the results as well as the methodological observations will provide a basis for future studies on functional outcome. Genetics of Ischaemic Stroke Functional outcome can also be used for candidate gene replication or assessing stroke outcome non-genetic association hypotheses.

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Contribution to journal
publication status
published
subject
keywords
functional outcome, Genetic association studies, stroke
in
European Stroke Journal
volume
2
issue
3
pages
9 pages
publisher
SAGE Publications
external identifiers
  • scopus:85049876392
ISSN
2396-9873
DOI
10.1177/2396987317704547
language
English
LU publication?
yes
id
2394e9d1-4fe2-4fef-b61a-b5502f5ac9d6
date added to LUP
2019-06-13 15:53:17
date last changed
2020-02-19 05:32:39
@article{2394e9d1-4fe2-4fef-b61a-b5502f5ac9d6,
  abstract     = {<p>Introduction: Genome-wide association studies have identified several novel genetic loci associated with stroke risk, but how genetic factors influence stroke outcome is less studied. The Genetics of Ischaemic Stroke Functional outcome network aims at performing genetic studies of stroke outcome. We here describe the study protocol and methods basis of Genetics of Ischaemic Stroke Functional outcome. Methods: The Genetics of Ischaemic Stroke Functional outcome network has assembled patients from 12 ischaemic stroke projects with genome-wide genotypic and outcome data from the International Stroke Genetics Consortium and the National Institute of Neurological Diseases Stroke Genetics Network initiatives. We have assessed the availability of baseline variables, outcome metrics and time-points for collection of outcome data. Results: We have collected 8831 ischaemic stroke cases with genotypic and outcome data. Modified Rankin score was the outcome metric most readily available. We detected heterogeneity between cohorts for age and initial stroke severity (according to the NIH Stroke Scale), and will take this into account in analyses. We intend to conduct a first phase genome-wide association outcome study on ischaemic stroke cases with data on initial stroke severity and modified Rankin score within 60–190 days. To date, we have assembled 5762 such cases and are currently seeking additional cases meeting these criteria for second phase analyses. Conclusion: Genetics of Ischaemic Stroke Functional outcome is a unique collection of ischaemic stroke cases with detailed genetic and outcome data providing an opportunity for discovery of genetic loci influencing functional outcome. Genetics of Ischaemic Stroke Functional outcome will serve as an exploratory study where the results as well as the methodological observations will provide a basis for future studies on functional outcome. Genetics of Ischaemic Stroke Functional outcome can also be used for candidate gene replication or assessing stroke outcome non-genetic association hypotheses.</p>},
  author       = {Maguire, Jane M. and Bevan, Steve and Stanne, Tara M. and Lorenzen, Erik and Fernandez-Cadenas, Israel and Hankey, Graeme J. and Jimenez-Conde, Jordi and Jood, Katarina and Lee, Jin Moo and Lemmens, Robin and Levi, Christopher and Norrving, Bo and Rannikmae, Kristiina and Rost, Natalia and Rosand, Jonathan and Rothwell, Peter M. and Scott, Rodney and Strbian, Daniel and Sturm, Jonathan and Sudlow, Cathie and Traylor, Matthew and Thijs, Vincent and Tatlisumak, Turgut and Wieloch, Tadeusz and Woo, Daniel and Worrall, Bradford B. and Jern, Christina and Lindgren, Arne},
  issn         = {2396-9873},
  language     = {eng},
  month        = {09},
  number       = {3},
  pages        = {229--237},
  publisher    = {SAGE Publications},
  series       = {European Stroke Journal},
  title        = {GISCOME – Genetics of Ischaemic Stroke Functional Outcome network : A protocol for an international multicentre genetic association study},
  url          = {http://dx.doi.org/10.1177/2396987317704547},
  doi          = {10.1177/2396987317704547},
  volume       = {2},
  year         = {2017},
}