Project description
On the trail of non-coding variations in the genome related to schizophrenia
How our DNA shapes who we are physically, emotionally and cognitively is much more complicated than the proteins coded by our genes. Only about one percent of our DNA is made of protein-coding genes. The rest are so-called non-coding regions, many of which affect gene expression. Complicating matters further, many disease processes involve more than one mutation. With the support of the Marie Skłodowska-Curie Actions programme, the JS_SCZ project is investigating the development of schizophrenia using cortical organoids as an experimental system. The hypothesis is that the schizophrenia phenotype that emerges in late adolescence is a manifestation of defects in neurogenesis and neuronal maturation related to non-coding variants.
Objective
What makes us susceptible to a genetic disease is a central question in human genetics. Although, coding mutations have revealed the mechanisms of many genetic diseases, the same approach is not adequate to unravel the etiology of complex diseases such as schizophrenia (SCZ). Genome wide association studies revealed that the majority of SCZ-associated polymorphisms map to the non-coding regions and possibly alter gene expression. However, the functional consequence of these polymorphisms on gene regulation remains largely unknown. Although the onset of SCZ symptoms occurs in late adolescence, SCZ patients show differential expression of neurodevelopmental genes and defects in neuronal maturation. Therefore, it is postulated that the SCZ phenotype is a late manifestation of defects in neurogenesis and neuronal maturation. Based on the neurodevelopmental model of SCZ, I hypothesize that these SCZ-associated non-coding variants disrupt the function of enhancers active during neurogenesis/ neuronal maturation. Therefore, using cortical organoids as an experimental system, I plan to investigate 1) Which SCZ-associated non-coding polymorphisms are located in neurodevelopmentally active enhancers. 2) Whether and how these non-coding variants affect enhancer function. To this end, I will perform massively parallel reporter assay to inspect the enhancer activity of both control and mutant sequences of SCZ-linked cis regulatory elements in the neural progenitors and neurons of the developing cortical organoids. This assay will reveal any effect of non-coding variants on the level, cell type or developmental stage of reporter transcription. This effect can be then verified by analyzing the expression of associated genes to reveal how common, low disease-risk alleles contribute to SCZ-susceptibility. Furthermore, this novel combination of organoids and functional genomics will pave the way for investigation of non-coding variation for diverse human diseases and traits.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- medical and health sciences clinical medicine psychiatry schizophrenia
- medical and health sciences basic medicine medical genetics
- natural sciences biological sciences genetics genomes
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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H2020-EU.1.3. - EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions
MAIN PROGRAMME
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H2020-EU.1.3.2. - Nurturing excellence by means of cross-border and cross-sector mobility
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Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)
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Call for proposal
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) H2020-MSCA-IF-2018
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1030 Wien
Austria
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