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SLAMF6

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

Background

SLAM family member 6 (SLAMF6) is a single-pass transmembrane glycoprotein encoded by the SLAMF6 gene, featuring two extracellular immunoglobulin domains, a transmembrane helix and cytoplasmic immunoreceptor tyrosine-based switch motif tail, functioning as homotypic recognition subunit of SLAM lymphocyte receptor complexes. SLAMF6 is broadly expressed across T lymphocytes, B lymphocytes and myeloid immune cell subsets, acting as central scaffold to drive homotypic cell adhesion and recruit downstream adaptive immune kinases upon intercellular receptor matching.

SLAMF6 executes biological functions via homotypic trans-assembly between adjacent immune cell surfaces, a mechanism stabilizing intercellular immune synapses and tuning intracellular adaptive immune cascade efficiency. Distinct from ligand-specific immune receptors, SLAMF6 cannot trigger full immune signals without matching homotypic counterparts and depends on intercellular dimerization for complete signal output; it recruits cytoplasmic signal mediators to synaptic receptor assemblies, separating intercellular recognition events from nuclear immune transcription factor activation and sustaining long-term adaptive immune responses. This dual regulatory mode modulates the magnitude of lymphocyte cross-talk after intercellular contact, fine-tunes lymphocyte proliferation and immune mediator secretion levels, while persistent aberrant SLAMF6 signal transmission induces overactive autoreactive lymphocyte lesions. SLAMF6 participates in core physiological and pathological events covering adaptive immune synapse formation, lymphocyte co-stimulation, autoreactive cell expansion and chronic autoimmune disorders. Abnormal SLAMF6 expression or homotypic binding capacity correlates strongly with disrupted immune self-tolerance and aggravated autoimmune tissue damage, making SLAMF6 a vital research target for SLAM receptor signaling, adaptive immunity and autoimmune disease exploration.

Fig. 1 SLAMF6 interactome and downstream TCR co-stimulatory signaling pathway identified by proteomic screening. (OA Literature)Fig. 1 Transcriptomic enrichment and proteomic interactome analysis of SLAMF6-mediated TCR co-stimulatory signaling in T cells.1

SLAMF6 Protein Function: Core Roles in Lymphocyte Homotypic Assembly and Immune Self-Tolerance

The biological functions of SLAMF6 are focused on SLAM homotypic receptor dimerization, adaptive immune signal propagation and lymphoid self-tissue balance:

  • Homotypic Receptor Modulation: Forms trans-dimers across contacting immune cells to stabilize immune synapse structures and amplify downstream co-stimulatory signal activity, the primary molecular mechanism of SLAMF6-mediated regulation.
  • Adaptive Immune Signal Tuning: Recruits cytoplasmic signaling kinases to activate lymphocyte transcription factors, balancing T and B cell cross-activation kinetics.
  • Autoreactive Immune Mediation: Supports steady release of co-stimulatory mediators to coordinate intra-lymphoid immune reactions.
  • Immune Self-Tolerance Surveillance: Modulates homotypic lymphocyte signaling to maintain controlled self-reactive immune responses.
  • Disease Relevance: Dysregulated SLAMF6 expression drives excessive autoreactive lymphocyte proliferation and chronic autoimmune pathologies, serving as a core target for SLAM family receptor research.

SLAMF6 Protein Product

Creative Biolabs offers high-purity SLAMF6 proteins via optimized heterologous expression platforms, including full-length constructs and isolated extracellular Ig domain variants with modified glycosylation profiles. These products retain native structural conformation and homotypic intercellular binding capacity, suitable for SLAM immune synapse research, intercellular receptor complex detection and small molecule autoimmune modulator screening. All SLAMF6 proteins pass strict quality inspections covering purity testing and biological functional verification to guarantee intact activity.

SLAMF6 Protein Product

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

SLAMF6 Stable Cell Line Product

Creative Biolabs provides custom SLAMF6 stable cell models with overexpression and knockdown phenotypes in lymphoid and myeloid cell backgrounds. These cell lines are optimized for research on SLAM homotypic assembly mechanisms, lymphocyte co-stimulatory signal cascades and autoimmune compound responsiveness. Each model undergoes strict validation of stable expression and complete biological functionality.

SLAMF6 Stable Cell Line Product

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

SLAMF6 Recombinant Antibody Product

High-affinity recombinant antibodies targeting SLAMF6 are generated through advanced antibody engineering workflows, without cross-reactivity against other SLAM family receptor subunits. These reagents are validated for immunofluorescence membrane localization detection, Western blot expression profiling and co-immunoprecipitation of intercellular SLAM complexes, enabling precise analysis of SLAMF6 expression, subcellular localization and functional regulation.

SLAMF6 Recombinant Antibody Product

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

Product Features

  • Native Homotypic SLAM Dimer Binding Activity: Preserves natural folding and intercellular trans-dimer assembly capacity, faithfully reproducing endogenous lymphocyte immune synapse formation and adaptive immune regulatory processes.
  • SLAM Family Specificity: Selectively binds SLAMF6 unique epitopes without cross-recognition of other SLAM paralogs, supporting specific homotypic immune receptor research.
  • Autoimmune Research Compatibility: Optimized for lymphoid and myeloid experimental systems, providing reliable research tools for autoimmune immune modulator development and mechanistic exploration.
  • Comprehensive Customization Support: Delivers full-cycle customized SLAMF6 proteins, antibodies and stable cell lines to meet diverse adaptive immunity and autoimmune research demands.

Custom SLAMF6 Research Services

Beyond catalog products, Creative Biolabs offers specialized custom services for SLAMF6 research:

  • Custom SLAMF6 Protein Production: Custom synthesis of SLAMF6 variants including binding-deficient mutants, tagged constructs and fusion proteins paired with lymphocyte signaling mediators.
  • Custom Antibody Development: Development of SLAMF6-specific antibodies for applications such as target detection, cellular localization, and SLAMF6 binding analysis. Functional blocking activity can be evaluated when supported by an appropriate validated assay system.
  • Stable Cell Line Engineering: Custom SLAMF6-expressing lymphoid/myeloid cell lines and immune synapse signal reporter cell lines, validated for homotypic dimer formation and co-stimulatory signal output.
  • Functional Assay Development: Design of SLAM homotypic binding assays, lymphocyte co-stimulation signal detection platforms and autoimmune small molecule screening workflows.

Frequently Asked Questions (FAQ)

  1. What is the primary function of SLAMF6?

    SLAMF6 is a homotypic SLAM receptor forming trans-cellular dimers to regulate T-B lymphocyte co-stimulatory signal intensity, maintain lymphoid immune self-tolerance and control autoreactive lymphocyte expansion upon intercellular immune contact.

  2. Why is SLAMF6 a significant research target?

    SLAMF6 acts as a core controller of immune synapse assembly and adaptive self-tolerance; its dysregulation triggers autoreactive lymphoproliferative lesions, making it an essential research object for SLAM signaling and autoimmune diseases.

  3. Are Creative Biolabs' SLAMF6 products suitable for clinical use?

    No, all SLAMF6 products and related services are solely intended for laboratory research, not applicable to clinical diagnosis or therapeutic administration.

  4. What types of SLAMF6 products does Creative Biolabs offer?

    The portfolio includes full-length and truncated extracellular SLAMF6 proteins, specific recombinant antibodies, and custom stable lymphoid cell lines supporting SLAM synapse and autoimmune research.

  5. How are SLAMF6 proteins validated for activity?

    SLAMF6 proteins are tested via homotypic intercellular binding assays and co-stimulatory signal functional verification to retain native regulatory function in lymphocyte research.

Reference
  1. Gartshteyn, Yevgeniya, et al. "SLAMF6 compartmentalization enhances T cell functions." Life Science Alliance 6.2 (2023). Under Open Access license CC BY 4.0, without modification. https://doi.org/10.26508/lsa.202201533
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