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TNFSF14

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All listed services and products are For Research Use Only. Do Not use in any diagnostic or therapeutic applications.

Background

TNF superfamily member 14 (TNFSF14, LIGHT) is a dual membrane-bound and secreted TNF ligand encoded by TNFSF14 gene, expressed in T lymphocytes, dendritic cells and stromal subsets, localized to plasma membrane and interstitial fluid compartments. Distinct from other TNF cytokines, TNFSF14 engages two distinct TNF receptors to coordinate endothelial upregulation of adhesion molecules and drive lymphoid tissue organogenesis. Under steady immune conditions, basal TNFSF14 expression maintains mild vascular permissiveness without excessive leukocyte infiltration. Upon inflammatory or antigenic stimulation, accumulated ligand triggers endothelial signaling to boost leukocyte recruitment and support germinal center development. Unlike general inflammatory TNF factors, TNFSF14 carries lymphoid-organizing functions that cannot be fully substituted by other superfamily members, linking lymphocyte-stroma crosstalk to secondary lymphoid tissue assembly pathways. Loss of functional TNFSF14 impairs lymphoid structure formation and dampens regional immune responses, while sustained ligand expression amplifies vascular inflammatory recruitment, establishing TNFSF14 as a core research target for lymphoid TNF ligand biology and autoimmune modulator screening.

TNFSF14 executes homotrimeric ligand function embedded in lymphocyte membranes and extracellular space, utilizing conserved TNF fold motifs to selectively bind HVEM and LTβR receptor ectodomains. Conserved trimerization interfaces separate its receptor selectivity from canonical inflammatory TNF paralogs. TNFSF14-mediated receptor clustering bridges lymphocyte-stromal contact and endothelial transcriptional reprogramming, balancing lymphoid organ growth and tissue inflammatory magnitude according to antigen exposure load. TNFSF14 participates in lymph node genesis, mucosal immune cell recruitment and chronic autoimmune inflammation. Deficient TNFSF14 expression disrupts secondary lymphoid tissue architecture and weakens adaptive immune surveillance. Therefore, TNFSF represents a pivotal research target for lymphotropic TNF ligand study and anti-autoimmune compound screening.

Fig. 1 Ligand-receptor interaction network of TNFSF14 (LIGHT), covering activating receptors LTβR/HVEM, inhibitory co-receptors BTLA/CD160 and decoy receptor DcR3. (OA Literature)Fig. 1 Schematic of TNFSF14 (LIGHT) signaling interactome: homotrimeric LIGHT binds LTβR and HVEM to trigger immune activation; HVEM also forms cis complex with BTLA, while CD160 and soluble DcR3 antagonize LIGHT-mediated signal transduction.1

TNFSF14 Protein Function: Core Roles in Dual TNF Receptor Engagement and Lymphoid Tissue Tuning

The biological functions of TNFSF14 are focused on HVEM/LTβR binding, endothelial activation and lymphoid organ control:

  • Dual Receptor Trimerization: Forms homotrimers to crosslink HVEM and LTβR cell surface receptors.
  • Endothelial Priming: Induces adhesion molecule expression to promote leukocyte extravasation.
  • Lymphoid Homeostasis: Sustains baseline stromal signaling for steady-state lymphoid tissue maintenance.
  • Adaptive Immune Modulation: Regulates germinal center formation upon antigen challenge.
  • Disease Relevance: TNFSF14 deficiency reduces lymphoid structure development, while excess ligand drives chronic vascular inflammation.

TNFSF14 Protein Product

Creative Biolabs offers high-quality TNFSF14/LIGHT proteins, including full-length membrane-bound, soluble, and multimerized constructs. These products are suitable for HVEM and LTβR binding studies, while receptor activation may be evaluated using appropriate multivalent formats and cell-based NF-κB assays. All products undergo applicable quality control to support reliable research use.

TNFSF14 Protein Product

Not finding the membrane protein product you need? Contact us to start your one-stop custom service!

TNFSF14 Stable Cell Line Product

Creative Biolabs provides custom-engineered TNFSF14 stable cell lines, including overexpression and blank control models. These cell lines are optimized for TNF ligand profiling and endothelial inflammatory signal functional analysis. Each cell line undergoes stringent validation to ensure stable expression profiles and consistent functional performance in diverse experimental contexts.

TNFSF14 Stable Cell Line Product

Not finding the stable cell line product you need? Contact us to start your one-stop custom service!

TNFSF14 Recombinant Antibody Product

High-specificity recombinant antibodies targeting TNFSF14 are developed via advanced antibody engineering technologies. These antibodies are validated for lymphocyte membrane and interstitial fluid localization detection and lymphoid tissue expression profiling, and can be combined with HVEM/LTβR detection reagents to analyze complete ligand-receptor complexes in immune cell models.

TNFSF14 Recombinant Antibody Product

Not finding the recombinant antibody product you need? Contact us to start your one-stop custom service!

Product Features

  • Native Dual Receptor Trimerization Activity: Preserves intact HVEM/LTβR binding capacity for lymphoid developmental research.
  • TNFSF14 Specificity: Eliminates non-specific cross-recognition of unrelated TNF superfamily cytokines.
  • Lymphoid Immunology Compatibility: Optimized reagent series for endothelial priming and autoimmune therapeutic screening workflows.
  • Comprehensive Customization Support: Facilitates end-to-end development of customized proteins, antibodies and stable cell lines to address lymphoid TNF ligand research demands.

Custom TNFSF14 Research Services

Beyond catalog products, Creative Biolabs offers specialized custom services for TNFSF14 research:

  • Custom TNFSF14 Protein Production: Tailored expression of mutant and tagged TNFSF14 constructs for dual receptor binding interaction analysis.
  • Custom Antibody Development: Generation of TNFSF14-specific antibodies for lymphocyte membrane immunostaining.
  • Stable Cell Line Engineering: Construction of TNFSF14-modified cell models for endothelial signaling research.
  • Functional Assay Development: Custom design of ligand trimerization and leukocyte recruitment detection workflows.

Frequently Asked Questions (FAQ)

  1. What is the primary function of TNFSF14?

    TNFSF14 is a homotrimeric TNF ligand that binds HVEM and LTβR receptors to drive endothelial activation and secondary lymphoid organ formation.

  2. Why is TNFSF14 a significant research target?

    TNFSF14 links lymphocyte-stromal communication to lymphoid tissue development and chronic vascular inflammation in autoimmune conditions.

  3. Are Creative Biolabs' TNFSF14 products suitable for clinical use?

    No, all TNFSF14 products and services are strictly for research use only, not intended for clinical diagnosis or treatment.

  4. What types of TNFSF14 products does Creative Biolabs offer?

    Offerings include full-length TNFSF14 ligand proteins, isoform-specific detection antibodies and custom stable cell lines for lymphoid immunity research.

  5. How are TNFSF14 proteins validated for activity?

    TNFSF14 proteins are validated via HVEM/LTβR dual receptor binding functional testing.

Reference
  1. Ware, Carl F., Michael Croft, and Garry A. Neil. "Realigning the LIGHT signaling network to control dysregulated inflammation." Journal of Experimental Medicine 219.7 (2022): e20220236. Under Open Access license CC BY 4.0, without modification. https://doi.org/10.1084/jem.20220236
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