Regulatory T cells in Tumor Immunity: Role of Toll-Like Receptors

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Scopus citations


This chapter discusses how the toll-like receptor (TLR) signaling is linked to the functional control of Tregs, and reviews the new tactics to improve cancer therapy by relieving the Treg-mediated suppression of antigen-specific antitumor immunity. An overview of the current understanding of Tregs and their regulation in cancer by innate immune cells and tumor-infiltrating dendritic cells (DCs) is also provided. Both macrophages and DCs function as major sensors for invading the pathogens and transformed tumor cells via a limited number of germ line-encoded pattern recognition receptors (PRRs)—known as TLRs—that play critical roles in modulating the inflammation and immune responses. Adaptive immunity is involved in the elimination of pathogens and transformed tumor cells in the late phase of the host defense, generating more specific immunity as well as immunological memory. A correlation exists between the level of tumor-infiltrating immune cells—particularly the CD8+ T cells, and the patient survival, while the presence of other immune cells like Tregs, confers a poor prognosis.

Original languageEnglish (US)
Title of host publicationCancer Immunotherapy
Subtitle of host publicationImmune Suppression and Tumor Growth
Number of pages11
ISBN (Electronic)9780123725516
StatePublished - Jan 1 2007

ASJC Scopus subject areas

  • Medicine(all)
  • Immunology and Microbiology(all)


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