CST2抗体

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     Gel: 12%SDS-PAGE, Lysate: 40 μg, Lane: Human liver cancer tissue, Primary antibody: P08209(CST2 Antibody) at dilution 1/250, Secondary antibody: Goat anti rabbit IgG at 1/8000 dilution, Exposure time: 5 minutes    

  
  

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     The image is immunohistochemistry of paraffin-embedded Human thyroid cancer tissue using P08209(CST2 Antibody) at dilution 1/50. (Original magnification: ×200)    

  
  

**Background of CST2 Antibody**

The CST2 (Cystatin-SA2) antibody is a tool used to detect and study cystatin-SN (Cystatin S2), a member of the cystatin superfamily of cysteine protease inhibitors. Cystatins regulate proteolytic enzymes, such as cathepsins, which play roles in protein degradation, immune response, and cellular homeostasis. CST2 is primarily expressed in saliva, tears, and other bodily secretions, where it contributes to innate immunity by inhibiting microbial proteases and modulating inflammation.

Research on CST2 has expanded due to its potential involvement in diseases, including cancers, inflammatory disorders, and oral pathologies. For example, elevated CST2 levels are observed in certain cancers, suggesting a role in tumor progression or immune evasion. The CST2 antibody enables researchers to analyze its expression patterns, quantify protein levels in biological samples (e.g., via Western blot, ELISA, or immunohistochemistry), and explore its functional mechanisms.

Recent studies also highlight CST2’s diagnostic potential as a biomarker for conditions like Sjögren’s syndrome or head and neck cancers. However, its precise biological roles remain under investigation, necessitating reliable antibodies for experimental validation. Commercial CST2 antibodies are typically raised against specific epitopes, with validation in relevant tissues or cell lines to ensure specificity. Ongoing research aims to clarify CST2’s dual roles in protection and pathology, driving demand for high-quality reagents to support both basic and clinical studies.