Revolutionizing medicine with toll-like receptors: A path to strengthening cellular immunity

Int J Biol Macromol. 2023 Dec 31;253(Pt 7):127252. doi: 10.1016/j.ijbiomac.2023.127252. Epub 2023 Oct 5.

Abstract

Toll-like receptors play a vital role in cell-mediated immunity, which is crucial for the immune system's defense against pathogens and maintenance of homeostasis. The interaction between toll-like-receptor response and cell-mediated immunity is complex and essential for effectively eliminating pathogens and maintaining immune surveillance. In addition to pathogen recognition, toll-like receptors serve as adjuvants in vaccines, as molecular sensors, and recognize specific patterns associated with pathogens and danger signals. Incorporating toll-like receptor ligands into vaccines can enhance the immune response to antigens, making them potent adjuvants. Furthermore, they bridge the innate and adaptive immune systems and improve antigen-presenting cells' capacity to process and present antigens to T cells. The intricate signaling pathways and cross-talk between toll-like-receptor and T cell receptor (TCR) signaling emphasize their pivotal role in orchestrating effective immune responses against pathogens, thus facilitating the development of innovative vaccine strategies. This article provides an overview of the current understanding of toll-like receptor response and explores their potential clinical applications. By unraveling the complex mechanisms of toll-like-receptor signaling, we can gain novel insights into immune responses and potentially develop innovative therapeutic approaches. Ongoing investigations into the toll-like-receptor response hold promise in the future in enhancing our ability to combat infections, design effective vaccines, and improve clinical outcomes.

Keywords: Cell-mediated immunity; T-cell; Toll-like receptors; vaccines.

Publication types

  • Review

MeSH terms

  • Adjuvants, Immunologic / pharmacology
  • Antigens
  • Immunity, Cellular
  • Immunity, Innate
  • Signal Transduction
  • Toll-Like Receptors*
  • Vaccines*

Substances

  • Toll-Like Receptors
  • Vaccines
  • Adjuvants, Immunologic
  • Antigens