Bacterial proteases: current therapeutic use and future prospects for the development of new antibiotics
2001
Proteases of the serine-, cysteine- and metallo- type are widely spread in many pathogenic bacteria, where they play critical functions related to colonisation and evasion of host immune defences, acquisition of nutrients for growth and proliferation, facilitation of dissemination, or tissue damage during infection. Since all the antibiotics currently used clinically share a common mechanism of action, i.e., inhibition of bacterial cell wall biosynthesis, resistance to these pharmacological agents represents a serious medical problem, which might be resolved by using a new generation of antibiotics with a different mechanism of action. Bacterial protease inhibitors constitute an interesting possibility, due to the fact that many specific and ubiquitous proteases have recently been characterised in some detail in both Gram-positive and Gram-negative pathogens. Unfortunately, at this moment few potent, specific inhibitors for such bacterial proteases have been reported, except for signal peptidase, clostrip...
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