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Related Experiment Video

Updated: Jun 20, 2026

Light-mediated Reversible Modulation of the Mitogen-activated Protein Kinase Pathway during Cell Differentiation and Xenopus Embryonic Development
09:32

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Targeting the LIGHT-HVEM pathway.

Carl F Ware1

  • 1Division of Molecular Immunology, La Jolla Institute for Allergy and Immunology, 9420 Athena Circle, La Jolla, California, 92037, USA. cware@liai.org

Advances in Experimental Medicine and Biology
|September 18, 2009
PubMed
Summary
This summary is machine-generated.

Tumor necrosis factor (TNF)-related cytokines, like LIGHT (TNFSF14), are crucial for immune cell communication and inflammation. Targeting LIGHT offers a therapeutic strategy for inflammation-driven diseases.

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Area of Science:

  • Immunology
  • Molecular Biology
  • Cell Biology

Background:

  • Tumor necrosis factor (TNF)-related cytokines mediate immune cell communication, inflammation, and tissue destruction.
  • LIGHT (TNFSF14) is a key cytokine controlling T-cell responses and immune microenvironments.
  • The Herpesvirus Entry Mediator (HVEM) receptor acts as a molecular switch for T-cell activation.

Purpose of the Study:

  • To elucidate the role of LIGHT (TNFSF14) in immune regulation and inflammatory diseases.
  • To explore the signaling pathways involving LIGHT, HVEM, and Lymphotoxin-beta Receptor (LTbetaR).
  • To assess the therapeutic potential of targeting LIGHT in inflammation-driven conditions.

Main Methods:

  • Review of existing literature on TNF-related cytokines, LIGHT, HVEM, and LTbetaR.
  • Analysis of studies in human and animal models investigating LIGHT's role in pathogenesis.
  • Examination of LIGHT's accessibility to biologic-based therapeutics.

Main Results:

  • LIGHT (TNFSF14) plays a significant role in T-cell co-stimulation via HVEM and in modulating dendritic and stromal cells via LTbetaR.
  • The LIGHT-HVEM pathway is critical for T-cell responses, while LIGHT-LTbetaR shapes immune microenvironments.
  • HVEM functions as a switch, balancing stimulatory and inhibitory T-cell signaling by interacting with BTLA.
  • LIGHT contributes to inflammation and pathogenesis in various tissues, including mucosal, hepatic, joint, and vascular systems.

Conclusions:

  • LIGHT (TNFSF14) is a pivotal mediator in inflammatory diseases across multiple tissue types.
  • The dual role of HVEM in T-cell activation and inhibition highlights its importance.
  • LIGHT represents a promising target for biologic-based therapeutics in managing inflammation-driven diseases.