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Epigenetic mechanisms underlying inter-individual differences in drug response and hepatic disease

Epigenetic mechanisms underlying inter-individual differences in drug response and hepatic disease

Objective

Inter-individual differences in reaction to drugs and pharmacological treatments can cause severe adverse drug reactions (ADRs) and are a common reason of withdrawal of drugs from the market. ADRs are as costly for society as treatment itself and are a major cause of hospitalizations and deaths. Genetic polymorphisms in genes encoding enzymes involved in drug metabolism can only explain a small subset of the inter-individual differences in response to pharmacological treatment. Recently, the host lab identified DNA hydroxymethylation (5hmC) as a stable and abundant epigenetic modification that influences liver function and development. The project proposed here aims at the elucidation of epigenetic polymorphisms that impact on the expression of hepatic genes involved in metabolism and disease with particular focus on 5hmC. To this end, a multidisciplinary approach is employed using bioinformatic analyses of Next Generation Sequencing data and functional testing of identified sites in 3D integrated liver cultures and iPS derived hepatocytes. The identification of DNA elements whose epigenetic status influences liver gene expression and drug response is directly translated to clinical applications as it will improve pharmacological treatment by tailoring to the epigenomic information of the individual patient.
Additionally, the identification of epigenetic polymorphisms in obesity and liver diseases such as cholestatic disease, liver cancer metastases, steatosis or cirrhosis promises a better understanding of these common detrimental liver conditions and can contribute to the design of novel therapeutic strategies.
Furthermore, differentially modified DNA elements will be used as hepatic biomarkers for the non-invasive blood-based detection of liver diseases.
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Coordinator

KAROLINSKA INSTITUTET

Address

Nobels Vag 5
17177 Stockholm

Sweden

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 206 350,80

Administrative Contact

Eva Gipperth (Ms.)

Project information

Grant agreement ID: 626544

Status

Closed project

  • Start date

    1 May 2014

  • End date

    30 April 2016

Funded under:

FP7-PEOPLE

  • Overall budget:

    € 206 350,80

  • EU contribution

    € 206 350,80

Coordinated by:

KAROLINSKA INSTITUTET

Sweden