Études et publications

EPLS a réalisé de nombreuses études sous l’égide du Ministère des Affaires Etrangères Français, de la Communauté Européenne, et de l’Organisation Mondiale de la Santé (OMS). Depuis 1992, EPLS a réalisé plus de 50 programmes de recherche appliquée dans la vallée du fleuve, dont les résultats ont donné lieu à près de 100 publications dans des revues scientifiques et médicales internationales à comité de lecture.

Publications

Differential production in vitro of antigen specific IgG1, IgG3 and IgA: a study in Schistosoma haematobium infected individuals.

Béniguel L, Diallo TO, Remoué F, Williams DL, Cognasse F, Charrier-Mze N, N'Diaye AA, Perraut R, Capron M, Riveau G, Garraud O.

Parasite immunology, 2003, 25(1):39-44. (PMID : 12753436)

This study has evaluated the individual control of isotype production and the influence of external signals that can be experimentally provided in vitro, in antibody responses to two different recombinant Schistosoma antigens (Sh28GST and TPx-1). Peripheral blood mononuclear cells or enriched B cell fractions obtained from S. haematobium infected Senegalese adults were induced to terminal differentiation in vitro. The production of antibody to either antigen was donor-dependent and for each donor it was antigen-dependent. Differentiation to IgG1 and IgG3 production, and possibly IgA, specific to these conserved parasite antigens could be regulated differentially in vitro. Exogenous IL-2 and IL-10 or IL-10 and TGF-beta led to the production of specific IgG3 or IgG1 and/or IgA, respectively. This is the first report on such experimentally induced differential regulation of antigen-specific IgG1 and IgG3. This may have implications in designing protocols for protein based-vaccinations aiming at eliciting antibody responses of certain protective-type isotypes.

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Vaccine development against schistosomiasis from concepts to clinical trials.

Capron A, Capron M, Riveau G.

British Medicale Bulletin, 2002, 62:139-48 (PMID : 12176856)

Schistosomiasis is still a major helminth infection at the beginning of the 21st century and an important public health problem in many non-industrialised countries. As the second major parasitic disease in the world after malaria, schistosomiasis affects 200 million people, 800 million being exposed to the risk of infection. It is also estimated that 20 million individuals suffer from severe consequences of this chronic and debilitating disease responsible for at least 500,000 deaths per year.

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