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LGALS3

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

Background

Galectin 3 (LGALS3) is a soluble and membrane-associated glycan-binding lectin encoded by LGALS3 gene, belonging to galectin superfamily and acting as core mediator of beta-galactoside recognition, intercellular communication and tissue matrix remodeling. LGALS3 distributes widely across epithelial, immune and stromal cell populations, carrying evolutionarily conserved carbohydrate recognition domains across species, serving as essential modulator for glycoconjugate binding, cell adhesion and inflammatory signal coordination. LGALS3-mediated glycan interaction exerts decisive effects on balancing immune cell recruitment, extracellular matrix deposition and proliferative signal transmission under physiological conditions. Furthermore, LGALS3 coordinates signaling cascades governing fibroblast activation, immune cytokine secretion and apoptotic regulation to sustain intact tissue structural homeostasis. Distinct from other galectin paralogs with divergent glycan affinity, LGALS3 holds unique non-redundant functions linking glycan signaling to fibrosis and malignant transformation, making it irreplaceable for normal tissue repair, immune balance and matrix stability.

LGALS3 executes biological functions via specific recognition of beta-galactoside moieties on cell surface and matrix glycoproteins, mediating cell-cell and cell-matrix adhesion to coordinate inflammatory cell recruitment and stromal remodeling. Its conserved carbohydrate binding pockets enable precise tuning of glycan-dependent signal cascades, maintaining equilibrium between tissue repair and excessive fibrotic deposition. LGALS3 participates in diverse biological processes including immune crosstalk, extracellular matrix remodeling, cell proliferation and apoptotic control. Aberrant LGALS3 expression disrupts immune homeostasis, accelerates matrix overaccumulation and elevates risk of fibrotic lesions and malignant disorders. Therefore, LGALS3 acts as a core research target for glycoimmunology, tissue fibrosis and tumor developmental mechanisms.

Fig. 1 Domain architecture, 3D structure and two oligomerization modes of LGALS3 (Galectin-3). (OA Literature)Fig. 1 Galectin-3 consists of flexible N-terminal collagen-like repeats and C-terminal carbohydrate recognition domain; N-type cross-linking and C-type linear oligomerization mediate cell surface glycan bridging and intercellular adhesion.1

LGALS3 Protein Function: Core Roles in Glycan Recognition, Immune Crosstalk and Tissue Remodeling

The biological functions of LGALS3 are focused on carbohydrate domain-mediated glycan binding, intercellular adhesion and stromal regulatory signaling:

  • Beta-Galactoside Recognition: Specifically binds cell-surface and matrix glycoconjugates to mediate intercellular and cell-matrix linkage.
  • Immune Crosstalk Modulation: Regulates recruitment and cytokine release of multiple immune subsets to balance local inflammatory response.
  • Extracellular Matrix Remodeling: Controls fibroblast activation and matrix protein deposition during tissue repair processes.
  • Proliferation and Apoptosis Tuning: Modulates cell survival signals to shape tissue growth and lesion progression patterns.
  • Disease Relevance: Functional imbalance drives excessive fibrosis, inflammatory tissue damage and unregulated malignant proliferation.

LGALS3 Protein Product

Creative Biolabs offers high-quality LGALS3 proteins via optimized expression systems, covering full-length LGALS3 and isolated carbohydrate recognition domain variants. These products retain native glycan-binding conformation and intrinsic lectin activity, suitable for glycoprotein interaction, immune signaling and anti-fibrotic compound screening. All LGALS3 proteins undergo rigorous quality control to guarantee consistent functional performance and reliable application across diverse research platforms.

LGALS3 Membrane Protein Product

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

LGALS3 Stable Cell Line Product

Creative Biolabs provides custom engineered LGALS3 stable cell lines, including overexpression and gene silencing models. These cell line models are optimized for glycan signaling, stromal fibrotic phenotype and compound response profiling. Each cell line undergoes strict validation procedures to ensure steady target expression levels and uniform functional performance across multiple experimental scenarios.

LGALS3 Stable Cell Line Product

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

LGALS3 Recombinant Antibody Product

High-specificity recombinant antibodies targeting LGALS3 are developed with advanced antibody engineering workflows, without cross-reactivity against other galectin family homologs. These antibodies receive multi-scenario functional validation, applicable to protein expression profiling, extracellular localization detection, glycan complex interaction assessment and fibrosis research, enabling precise characterization of LGALS3 expression patterns, subcellular distribution and functional modulation under physiological and pathological states.

LGALS3 Recombinant Antibody Product

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

Product Features

  • Native Glycan Binding Activity: Preserves endogenous carbohydrate recognition capacity and matrix adhesion function, supporting accurate glycoimmunology and fibrotic tissue research.
  • Galectin Family Specificity: Validated for stable biological activity and specific glycoconjugate binding, delivering consistent and repeatable research readouts.
  • Tissue Remodeling Compatibility: Optimized for lectin-glycan interaction analysis, fibrotic phenotype detection and anti-fibrotic compound discovery, supplying reliable research tools.
  • Comprehensive Customization Support: Facilitates end-to-end development of customized proteins, antibodies and stable cell lines to address diverse glycan and stromal research requirements.

Custom LGALS3 Research Services

Beyond catalog products, Creative Biolabs offers specialized custom services for LGALS3 research:

  • Custom LGALS3 Protein Production: Tailored expression of LGALS3 sequence variants, epitope-tagged lectins and domain-truncated constructs for glycan binding and stromal remodeling research.
  • Custom Antibody Development: Generation of LGALS3-specific antibodies for expression detection, extracellular localization profiling, glycan complex binding evaluation and functional mechanism exploration.
  • Stable Cell Line Engineering: Custom LGALS3-modified cell models and fibrotic disease research platforms with standardized functional validation.
  • Functional Assay Development: Design of LGALS3-mediated glycan adhesion, immune cytokine regulation and extracellular matrix remodeling detection assays.

Frequently Asked Questions (FAQ)

  1. What is the primary function of LGALS3?

    LGALS3 is a conserved galectin lectin that recognizes beta-galactoside glycans to mediate intercellular adhesion, immune signaling and tissue matrix remodeling.

  2. Why is LGALS3 a significant research target?

    LGALS3 serves as a central link between glycan signaling, fibrosis and immune inflammation; dysregulated expression drives progressive tissue scarring and tumor progression, establishing it as a vital research target.

  3. Are Creative Biolabs' LGALS3 products suitable for clinical use?

    No, all LGALS3 products and services are strictly for research use only, not intended for clinical diagnosis or treatment.

  4. What types of LGALS3 products does Creative Biolabs offer?

    Offerings include LGALS3 proteins, high-specificity recombinant antibodies and custom stable cell lines for glycoimmunology and fibrotic disorder research.

  5. How are LGALS3 proteins validated for activity?

    LGALS3 proteins undergo functional verification via glycan binding affinity assessment, carbohydrate domain conformational stability evaluation.

Reference
  1. Sindrewicz-Goral, Paulina, et al. "Developing galectin-3-targeted therapeutics in diseases: three distinct galectin-3 segments for targeting." Expert Reviews in Molecular Medicine (2026): 1-40. Under Open Access license CC BY 4.0, without modification. https://doi.org/10.1017/erm.2026.10060
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