Caister Academic Press

Host Defense Peptides

Olga M. Pena, John D. F. Hale and Robert E.W. Hancock
from: Emerging Trends in Antibacterial Discovery: Answering the Call to Arms (Edited by: Alita A. Miller and Paul F. Miller). Caister Academic Press, U.K. (2011)


The increasing problem of resistance to antimicrobial agents, combined with the limited development of novel agents to treat infectious diseases is a serious threat to human morbidity and mortality around the world. Among the available strategies available to create new therapeutic agents is the enhancement of the multifunctional properties of the natural anti-infectives, cationic host defense (antimicrobial) peptides (HDPs). This chapter will provide a summary of our current understanding of the different types of HDPs including natural and synthetic peptides and their antimicrobial and immunomodulatory modes of action. Additionally, we will describe new approaches to peptide design and discuss both the therapeutic potential and prospective challenges in the utilization of peptides for antibacterial
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