Abstract
Endogenous antimicrobial peptides (AMPs) are gene encoded and can be considered as our own antibiotics. These peptides represent an ancient system since they are widespread in nature and have been identified in invertebrates, vertebrates, mammals and also in plants. Defensins and cathelicidins are the main families of AMPs in mammals including humans. From an evolutionary point of view, AMPs have coevolved with microbes in specific niches and constitute an important parameter in host–microbe interactions. The development of bacterial resistance against classical antibiotics is a growing problem, and novel antimicrobial strategies are urgently needed. Here, we present a concept based on the idea of inducing endogenous AMP expression by small compounds, such as vitamin D and butyrate. The induction of multiple AMPs with different mechanisms of action would minimize the risk of bacterial resistance. Thus, such inducing compounds may open new avenues for pharmaceutical intervention in the treatment or prevention of infections. Additional novel targets for medical treatment may be identified by dissecting signaling pathways and regulatory circuits for induced expression of AMPs.
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Acknowledgments
The authors’ research is supported by the Swedish Foundation for Strategic Research, the Torsten and Ragnar Söderbergs Foundation, the Swedish Research Council, the Swedish International Development Cooperation Agency (SIDA), the Swedish Cancer Society and Karolinska Institutet, the Icelandic Centre for Research (RANNIS) and University of Iceland, and the Foundations of Magnus Bergwall, Åke Wiberg, and DA Hagelén.
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Agerberth, B., Bergman, P., Gudmundsson, G.H. (2013). Helping the Host: Induction of Antimicrobial Peptides as a Novel Therapeutic Strategy Against Infections. In: Hiemstra, P., Zaat, S. (eds) Antimicrobial Peptides and Innate Immunity. Progress in Inflammation Research. Springer, Basel. https://doi.org/10.1007/978-3-0348-0541-4_14
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