Abstract
Background: OX40 (CD134) and its binding partner, OX40L (CD252), are expressed on activated CD4, CD8 T-cells, and several other lymphoid and non-lymphoid cells. OX40L belongs to a TNF family member, a 34 kDa type II transmembrane protein. The crystallized complex of human OX40 and OX40L is a trimeric contableuration of one OX40L (trimer) and three OX40 monomers. OX40 and OX40L regulate cytokine production from T-cells, antigen-presenting cells, and natural killer (NK) cells, and modulate cytokine receptor signaling.
Methods: In this review, an updated overview of the structural features of OX40/OX40L and their interactions with cancer are provided.
Results: Recent studies have shown that stimulation of OX40 is useful for therapeutic immunization strategies for cancer. OX40 serves as a secondary costimulatory immune checkpoint molecule; the binding of OX40 to its ligand enhances the augmentation, survival, memory formation, effector function, and recall responses of both CD4+ and CD8+ T-cells.
Conclusion: This review highlights that OX40-OX40L interactions play crucial roles in both CD4+ and CD8+ T-cells. Signals through OX40 can abolish the suppressive activity of Tregs, prevent the induction of Tregs from effector T-cells, reduce Foxp3 expression, and induce the proliferation of memory and effector T lymphocytes. Additionally, when transferred into tumor-bearing recipients, they generate proliferation capability and successfully eliminate the established tumor.
Keywords: OX40, OX40 ligand, cancer, metalloprotease, natural killer cells, T-cells.
Current Medicinal Chemistry
Title:OX40 and OX40L Interaction in Cancer
Volume: 28 Issue: 28
Author(s): Xinjie Lu*
Affiliation:
- The Mary and Garry Weston Molecular Immunology Laboratory, Thrombosis Research Institute, London- SW3 6LR,United Kingdom
Keywords: OX40, OX40 ligand, cancer, metalloprotease, natural killer cells, T-cells.
Abstract:
Background: OX40 (CD134) and its binding partner, OX40L (CD252), are expressed on activated CD4, CD8 T-cells, and several other lymphoid and non-lymphoid cells. OX40L belongs to a TNF family member, a 34 kDa type II transmembrane protein. The crystallized complex of human OX40 and OX40L is a trimeric contableuration of one OX40L (trimer) and three OX40 monomers. OX40 and OX40L regulate cytokine production from T-cells, antigen-presenting cells, and natural killer (NK) cells, and modulate cytokine receptor signaling.
Methods: In this review, an updated overview of the structural features of OX40/OX40L and their interactions with cancer are provided.
Results: Recent studies have shown that stimulation of OX40 is useful for therapeutic immunization strategies for cancer. OX40 serves as a secondary costimulatory immune checkpoint molecule; the binding of OX40 to its ligand enhances the augmentation, survival, memory formation, effector function, and recall responses of both CD4+ and CD8+ T-cells.
Conclusion: This review highlights that OX40-OX40L interactions play crucial roles in both CD4+ and CD8+ T-cells. Signals through OX40 can abolish the suppressive activity of Tregs, prevent the induction of Tregs from effector T-cells, reduce Foxp3 expression, and induce the proliferation of memory and effector T lymphocytes. Additionally, when transferred into tumor-bearing recipients, they generate proliferation capability and successfully eliminate the established tumor.
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Cite this article as:
Lu Xinjie *, OX40 and OX40L Interaction in Cancer, Current Medicinal Chemistry 2021; 28 (28) . https://dx.doi.org/10.2174/0929867328666201229123151
DOI https://dx.doi.org/10.2174/0929867328666201229123151 |
Print ISSN 0929-8673 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-533X |
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