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Europe is joining forces against neglected parasitic diseases

The project involves 10 European partners, 5 Brazilian partners (who operate in the region where the diseases are endemic) and 2 Australian partners. They will all be meeting on 17 and 18 March at the Institute of Genetics and Molecular and Cellular Biology (Inserm / CNRS / University of Strasbourg Joint Research Unit), to get the project started.

Schistosomiasis, leishmaniasis, Chagas disease and malaria are regarded as neglected diseases because the effort and funds put into developing new treatment and control methods have not been commensurate with their catastrophic human impact. They affect people in developing countries, essentially in Africa, the Middle East, South America and eastern Asia, in tropical and sub-tropical regions. Around one billion people are regularly exposed to these diseases, which cause almost one million deaths every year.

At present, there is no vaccine against these parasites. Furthermore, the efficacy of existing treatments is limited, either by the side effects or by the current or potential development of resistance. Consequently, the A-PARADDISE consortium, which is coordinated by Inserm and headed by Raymond Pierce - Director of Research at the Centre for Infection and Immunity in Lille - is focusing on developing new drugs against these parasitoses.

The A-PARADDISE project will use a methodology that has already been tried and tested during a previous project of a similar scale (SEtTReND), which aimed to develop drugs against schistosomiasis. The researchers investigated histone-modifying enzymes (HME), which determine the structure of the parasite's chromosomes. It was demonstrated that some HME inhibitors induce cell death, which makes them toxic to this parasite. This research provided the proof of concept that HMEs act on the schistosomiasis parasite, and has led to the development of a bank of candidate compounds which can rapidly be tested against other human parasites.

Thanks to the new project A-PARADDISE, researchers will be able to put the basic principle into practice and build on it by creating a unique platform for testing anti-parasitic drugs targeting HMEs, with a view to incorporating them into a clinical development programme. The experimental method consists in physically and virtually testing the efficacy and the toxicity of the compounds, in vitro and in vivo.

The ultimate objective of the A-PARADDISE project is to provide several candidate treatments against the four parasites and to pave the way for clinical trials in the near future.

To ensure the success of the project, the participants were all selected for their high level of expertise in their respective fields: high-throughput screening, computer-aided screening, the production of recombinant proteins, next generation sequencing, phenotypic tests, toxicology and pharmacology.


Contact: Raymond Pierce
INSERM (Institut national de la sant et de la recherche mdicale)

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