Antimicrobial peptides as agents of mucosal immunity.

Antimicrobial peptides as agents of mucosal immunity.
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抗菌肽作为粘膜免疫剂。

DOI:
10.1002/9780470514658.ch15
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发表时间:
1994
期刊:
Ciba Foundation symposium
影响因子:
--
通讯作者:
Bevins,CL
Bevins,CL
中科院分区:
--
文献类型:
--
作者:
Bevins,CL

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粘膜表面持续暴露于广泛的潜在致病生物体,但由这些接触引起的感染性疾病的发生率相对较低。这表明这些组织中存在高效的防御机制。近年来在粘膜组织中发现了抗菌肽,它们在宿主防御中可能发挥重要作用。几种粘膜肽(雄激素、爪蟾抗菌肽、气管抗菌肽、肠防御素和PR-39)均符合粘膜宿主防御作用的最低标准,包括有效的体外抗菌活性和在粘膜表面的蓄积。 这些粘膜肽大多数由大基因家族的成员编码,所述大基因家族包含在其他生物学背景中发现的更经典地与抗微生物防御相关的成员。几种上皮肽的丰度、活性和进化历史表明,抗菌肽在粘膜表面的宿主防御中起关键作用。
Mucosal surfaces are continually exposed to a wide range of potentially pathogenic organisms, yet the incidence of infectious disease resulting from these encounters is relatively low. This suggests the presence of highly effective defence mechanisms in these tissues. Antimicrobial peptides have recently been discovered in mucosal tissues and may play a significant role in host defence. Several mucosal peptides (andropin, magainin, tracheal antimicrobial peptide, enteric defensins and PR‐39) all fulfil minimal criteria for a role in mucosal host defence, including potentin vitroantimicrobial activity and accumulation at the mucosal surface. Most of these mucosal peptides are encoded by members of large gene families that contain members found in other biological contexts more classically associated with antimicrobial defence. The abundance, activity and evolutionary history of several epithelial peptides suggest that antimicrobial peptides play a key role in host defence at mucosal surfaces.
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