Bacterial ribosomal A-site bound to the antibiotic gentamicin (Photo credit: Wikipedia)
Scientists from the University of Bern have developed a novel substance for the treatment of severe bacterial infections without antibiotics, which would prevent the development of antibiotic resistance.
Ever since the development of penicillin almost 90 years ago, antibiotics have remained the gold standard in the treatment of bacterial infections. However, the WHO has repeatedly warned of a growing emergence of bacteria that develop antibiotic resistance. Once antibiotics do no longer protect from bacterial infection, a mere pneumonia might be fatal.
Alternative therapeutic concepts which lead to the elimination of bacteria, but do not promote resistance are still lacking.
A team of international scientists has tested a novel substance, which has been developed by Eduard Babiychuk and Annette Draeger from the Institute of Anatomy, University of Bern in Switzerland. This compound constitutes a novel approach for the treatment of bacterial infections: the scientists engineered artificial nanoparticles made of lipids, “liposomes” that closely resemble the membrane of host cells. These liposomes act as decoys for bacterial toxins and so are able to sequester and neutralize them. Without toxins, the bacteria are rendered defenseless and can be eliminated by the cells of the host’s own immune system. The study was published in Nature Biotechnology Nov 2nd.
The Latest on: Bacterial infections
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