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M. Helena Azevedo

Researcher at University of Coimbra

Publications -  13
Citations -  7158

M. Helena Azevedo is an academic researcher from University of Coimbra. The author has contributed to research in topics: Population & Locus (genetics). The author has an hindex of 10, co-authored 12 publications receiving 6039 citations. Previous affiliations of M. Helena Azevedo include SUNY Downstate Medical Center.

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Common polygenic variation contributes to risk of schizophrenia and bipolar disorder

Shaun Purcell, +81 more
- 06 Aug 2009 - 
TL;DR: The extent to which common genetic variation underlies the risk of schizophrenia is shown, using two analytic approaches, and the major histocompatibility complex is implicate, which is shown to involve thousands of common alleles of very small effect.
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Rare chromosomal deletions and duplications increase risk of schizophrenia

Jennifer Stone, +91 more
- 11 Sep 2008 - 
TL;DR: A genome-wide survey of rare CNVs in 3,391 patients with schizophrenia and 3,181 ancestrally matched controls provides strong support for a model of schizophrenia pathogenesis that includes the effects of multiple rare structural variants, both genome- wide and at specific loci.
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Mapping genomic loci implicates genes and synaptic biology in schizophrenia

Vassily Trubetskoy, +432 more
- 08 Apr 2022 - 
TL;DR: In this article , a two-stage genome-wide association study of up to 76,755 individuals with schizophrenia and 243,649 control individuals was conducted, and the authors reported common variant associations at 287 distinct genomic loci.
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GWAS of Suicide Attempt in Psychiatric Disorders and Association With Major Depression Polygenic Risk Scores

Niamh Mullins, +117 more
TL;DR: This study provides new information on genetic associations and demonstrates that genetic liability for major depression increases risk for suicide attempt across psychiatric disorders.
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Gene expression analysis of peripheral blood leukocytes from discordant sib-pairs with schizophrenia and bipolar disorder reveals points of convergence between genetic and functional genomic approaches.

TL;DR: This work performed global RNA transcript analysis and comprehensive gene group analysis of peripheral blood leukocyte (PBL) RNA from two groups of matched sib‐pairs that were discordant for either schizophrenia or bipolar disorder to provide compelling evidence for the utility of analyzing PBL RNA for changes in expression in neuropsychiatric disorders.