Emerging roles of the host defense peptide LL-37 in human cancer and its potential therapeutic applications.

Abstract:

:Human cathelicidin LL-37, a host defense peptide derived from leukocytes and epithelial cells, plays a crucial role in innate and adaptive immunity. Not only does LL-37 eliminate pathogenic microbes directly but also modulates host immune responses. Emerging evidence from tumor biology studies indicates that LL-37 plays a prominent and complex role in carcinogenesis. Although overexpression of LL-37 has been implicated in the development or progression of many human malignancies, including breast, ovarian and lung cancers, LL-37 suppresses tumorigenesis in gastric cancer. These data are beginning to unveil the intricate and contradictory functions of LL-37. The reasons for the tissue-specific function of LL-37 in carcinogenesis remain to be elucidated. Here, we review the relationship between LL-37, its fragments and cancer progression as well as discuss the potential therapeutic implications of targeting this peptide.

journal_name

Int J Cancer

authors

Wu WK,Wang G,Coffelt SB,Betancourt AM,Lee CW,Fan D,Wu K,Yu J,Sung JJ,Cho CH

doi

10.1002/ijc.25489

subject

Has Abstract

pub_date

2010-10-15 00:00:00

pages

1741-7

issue

8

eissn

0020-7136

issn

1097-0215

journal_volume

127

pub_type

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