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Phage therapy is effective against infection by Mycobacterium ulcerans in a mur...

Author Summary : Buruli Ulcer (BU), caused by Mycobacterium ulcerans, is a necrotizing disease of the skin, subcutaneous tissue and bone. Standard treatment of BU patients consists of a combination of the antibiotics rifampicin and streptomycin for 8 weeks. However, in advanced stages of the disease, surgical resection of the destroyed skin is still required. The use of bacterial viruses (bacteriophages) for th...

Innovative anti-microbial strategies against buruli ulcer : bacteriophage therapy

Experimental phage therapy against Mycobacterium ulcerans in mice model

Corticosteroid-Induced Immunosuppression ultimately does not compromise the eff...

The authors would like to thank Luis Martins, Deolinda Teixeira and Miguel Carneiro for laboratory assistance. Conceived and designed the experiments: TGM MS MTS AGC JP. Performed the experiments: TGM GT AGF JBG ALF. Analyzed the data: TGM ALF MS MTS AGC JP. Contributed reagents/materials/analysis tools: TGM MS MTS AGC JP. Wrote the paper: TGM AGF ALF MS MTS AGC JP. ; Buruli ulcer (BU) is a necrotizing disease...

Local and regional re-establishment of cellular immunity during curative antibi...

BACKGROUND: Buruli ulcer (BU) is a neglected necrotizing disease of the skin, subcutaneous tissue and bone, caused by Mycobacterium ulcerans. BU pathogenesis is associated with mycolactone, a lipidic exotoxin with cytotoxic and immunosuppressive properties. Since 2004, the World Health Organization recommends the treatment of BU with a combination of rifampicin and streptomycin (RS). Histological analysis of hu...

Cellular immunity confers transient protection in experimental buruli ulcer fol...

The authors would like to thank Luís Martins and Miguel Carneiro for laboratory assistance. Author Contributions Conceived and designed the experiments: AGF AGC JP. Performed the experiments: AGF TGM ET. Analyzed the data: AGF. Contributed reagents/materials/analysis tools: FP. Wrote the paper: AGF KH FP MTS AGC JP. ; BACKGROUND: Buruli ulcer (BU) is an emerging infectious disease caused by Mycobacterium ulcer...

Mycobacterium ulcerans Triggers T-cell immunity followed by local and regional ...

Buruli ulcer (BU) is a neglected infectious disease caused by Mycobacterium ulcerans, characterized by necrotic cutaneous lesions induced by the exotoxin mycolactone. Despite evidence of Th1-mediated protective immunity, M. ulcerans infection has been associated with systemic immunosuppression. We show that early during mouse infection with either mycolactone-positive or negative strains, pathogen-specific IFN-...

Dextrin nanoparticles : studies on the interaction with murine macrophages and ...

The uptake of nanoparticles by cells of the mononuclear phagocytic system limits its use as colloidal drug carriers, reducing the blood circulation time and the ability to reach biological targets. In this work, the interaction between dextrin nanoparticles – recently developed in our laboratory – and murine bone marrow-derived macrophages was evaluated. Cytotoxicity and nitric oxide production were studied, us...