CAMP and infection: In this aspect, antimicrobial peptides are excellent molecules that serve as a link between innate and acquired immune responses since it is known that different types of defensins and the human cathelicidin LL-37 help initiate the adaptive antimicrobial immune responses because they recruit antigen-presenting cells (APCs) at infection sites, including immature dendritic cells (iDCs), B lymphocytes and macrophages (61).