Importance of pharmacogenetics for individualising chemotherapy

Forskargrupp i labbmiljö

Our focus within the area of pharmacogenetics is the importance of genetic variation in the context of treatment of childhood leukemia (ALL) and inflammatory bowel disease (IBD).

One of the important polymorphic enzymes we are studying is thiopurine methyltransferase (TPMT). Approximately 10 % of the population carries genetic variants in this genes, causing a defect enzyme. TPMT has an important role in detoxifying thiopurines, drugs used for treatment of ALL and IBD. Loss of TPMT enzyme activity leads to higher concentrations of toxic metabolites, and thereby increased risk for adverse drug reactions, that could be lethal. 
 
We aim to address the research questions both in clinical studies and mechanistically in cell lines and using recombinant proteins.
 
By studying recombinant TPMT with biophysical techniques such as Circular Dichroism (CD), Isothermal Titration Calorimetry (ITC) and Flourescence, we are for example able to study the difference in protein stability and drug affinity between TPMT and the various genetic variants. 

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