Toll-Like Receptors in Skin

Research output: Contribution to journalReview article

Abstract

TLRs have emerged as a major class of PRRs that are involved in detecting invading pathogens in the skin and initiating cutaneous immune responses. TLRs are expressed on many different cell types in the skin, including keratinocytes and Langerhans cells in the epidermis. Each TLR can recognize a different microbial component and there are differences among the TLR signaling pathways, which lead to distinct immune responses against a given pathogen. Certain TLRs have been implicated in the pathogenesis of skin diseases, such as atopic dermatitis, psoriasis, and acne vulgaris. In addition, TLRs have been shown to be important in cutaneous host defense mechanisms against common bacterial, fungal, and viral pathogens in the skin, such as S aureus, C albicans, and HSV. Since the discovery that topical TLR agonists promote antiviral and antitumor immune responses, there has been considerable interest in the development of TLR-based therapies for skin diseases, skin cancer, and infections. Future research involving TLRs in skin will hopefully provide new insights into host defense against skin pathogens and novel therapeutic targets aimed at treating skin disease and skin cancer.

Original languageEnglish (US)
Pages (from-to)71-87
Number of pages17
JournalAdvances in dermatology
Volume24
Issue numberC
DOIs
StatePublished - Nov 1 2008

ASJC Scopus subject areas

  • Dermatology

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