| Field | Specification |
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| Host | |
| Immunogen | A synthesized peptide derived from human Phospho-Syk (Y323) was used as the immunogen for the Phospho-Syk (Tyr323) antibody. |
| Isotype | |
| Product Type | |
| Purity | |
| Reactivity | |
| Storage | |
| Target | |
| UniProt # |
Overview
Phospho-Syk (Tyr323) Antibody / SYK is a anti-SYK (phospho-Tyr323) Rabbit antibody Recombinant Rabbit Monoclonal clone 32S11 supplied in Liquid format. Recommended for workflows such as Western blot (WB), Immunohistochemistry (IHC), Immunocytochemistry (ICC), Immunofluorescence (IF) with listed reactivity in Human.
Key elements and design rationale
- Target: SYK (phospho site: Tyr323)
- Antibody details: Rabbit, Recombinant Rabbit Monoclonal, clone 32S11, isotype Rabbit IgG
- Format: Liquid
- Applications (as listed): WB, IHC, ICC, IF
Biological background
Spleen tyrosine kinase is activated when immunoreceptors are crosslinked, leading to phosphorylation of ITAM motifs and recruitment of SYK through its tandem SH2 domains. Once engaged, SYK becomes phosphorylated at multiple sites, including tyrosine 323, which enhances its catalytic activity and binding to signaling partners. Research with Phospho-Syk (Tyr323) antibody has demonstrated that this phosphorylation event promotes propagation of signaling cascades leading to calcium flux, MAP kinase activation, and transcriptional responses. These events are fundamental for lymphocyte activation and immune defense.
Beyond lymphocytes, SYK plays roles in innate immune cells, including macrophages, mast cells, and neutrophils. Studies with Phospho-Syk (Tyr323) antibody have shown that phosphorylation at this site regulates Fc receptor signaling, phagocytosis, and cytokine release. Dysregulation of SYK phosphorylation has been linked to autoimmune disease, allergy, and chronic inflammation, making it a therapeutic target. Inhibitors of SYK are in clinical development for treatment of rheumatoid arthritis, lupus, and hematologic malignancies.
Phosphorylation at tyrosine 323 also contributes to oncogenic signaling. Research with Phospho-Syk (Tyr323) antibody has revealed aberrant activation in leukemias and lymphomas, where it drives proliferation and survival. Monitoring phosphorylation state is therefore critical for understanding pathogenesis and evaluating targeted therapies. Because SYK functions at the intersection of immunity and cancer, its phosphorylation events remain of high biomedical importance.
Phospho-Syk (Tyr323) antibody is used in western blotting, immunohistochemistry, and flow cytometry. Western blotting distinguishes phosphorylated and unphosphorylated forms, immunohistochemistry localizes activated kinase in tissue samples, and flow cytometry quantifies phosphorylation dynamics in immune cells. These approaches make Phospho-Syk (Tyr323) antibody essential for dissecting immune receptor signaling.
By supplying validated Phospho-Syk (Tyr323) antibody reagents,
Research relevance and current trends
- Connecting protein-level changes to phenotype using orthogonal readouts (genetic perturbation, transcriptomics, imaging).
- Quantifying post-translational regulation (including phosphorylation) alongside total protein levels.
- Comparing results across species and model systems with matched controls.
Common research applications
- Western blotting: compare relative abundance and activation-state changes across conditions.
- Immunofluorescence: visualize subcellular distribution and cell-to-cell heterogeneity.
- Immunohistochemistry: map target signal in tissue context and compare regions/phenotypes.
Interpret changes in signal alongside appropriate controls and, when relevant, in parallel with total-protein or pathway readouts.
Notes for experimental interpretation
- Signal can reflect expression level, isoform composition, and post-translational state; interpret results in the context of your model system and stimuli.
- Phospho-site readouts are condition-dependent and are often compared to total target levels when available.
- Species differences and sample matrices can influence epitope recognition; prioritize matched controls and orthogonal confirmation when feasible.
Antibody notes: Monoclonal antibodies provide a defined epitope recognition profile that can support consistent comparisons across experiments.
Customization & Add-ons: Can’t find the antibody you need—or require a custom format for your assay? We can help you source the best match or support custom antibody solutions for diverse research needs, including species and isotype selection, conjugations and labeling (e.g., HRP/AP, biotin, fluorophores), purification grade options (Protein A/G, affinity purified), formulation preferences (buffer selection, carrier-free, glycerol-free), custom concentrations and aliquoting, low-endotoxin options for cell-based work, and application-focused QC/validation support (project dependent). Click Talk to a Scientist to submit a request, email us at support@biohippo.com, or explore our Research Services for additional support—our team will follow up with feasibility details and next steps.
