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IL6 ELISA Kit & Human IL6 Protein Recombinant
High-Sensitivity Cytokine Detection and Functional IL-6 Assay Solutions
Interleukin-6 (IL-6) is a key cytokine involved in inflammation, immune regulation, and disease progression. It plays a central role in cytokine storm responses, cancer biology, and autoimmune diseases. Reliable tools such as IL6 ELISA kits and human IL6 recombinant protein are essential for accurate cytokine quantification and functional pathway studies.
At Biorbyt, we provide optimized IL-6 research solutions designed for high sensitivity detection, reproducibility, and biological activity, supporting both biomarker analysis and cell-based assays.
What is IL-6? | IL6 Cytokine Function, Signaling and Research Applications
Interleukin-6 (IL-6) is a multifunctional cytokine that plays a central role in inflammation, immune response, and disease progression. It is produced by macrophages, T cells, fibroblasts, and endothelial cells in response to infection, tissue injury, and stress.
IL-6 is widely studied as a key biomarker in:
- Inflammatory diseases
- Cytokine storm syndromes
- Cancer and tumor microenvironment research
- Autoimmune disorders
IL-6 signals through the IL6 receptor complex, consisting of IL6R and gp130, and acts through two main mechanisms:
Classical signaling
IL-6 binds to membrane-bound IL6R on specific cell types and regulates immune and inflammatory responses.
Trans-signaling
IL-6 interacts with soluble IL6R, allowing signaling in a wider range of cells and playing an important role in chronic inflammation.
Both pathways activate major downstream cascades, including:
- JAK/STAT3
- MAPK
- PI3K/AKT
These pathways regulate gene expression, cell survival, proliferation, and immune modulation.
Research Applications
Because of its important biological role, IL-6 is widely used in:
- Cytokine profiling and biomarker discovery
- Inflammation and cytokine storm research
- Cancer studies
- Autoimmune disease models
- Drug discovery and therapeutic targeting
Due to its central role in inflammation and disease, IL-6 has become one of the most widely measured cytokines in ELISA-based assays and cell-based functional studies.
Why IL6 ELISA kits are essential in modern research
Because IL-6 is a central regulator of immune signalling and inflammatory pathways, it has become a critical biomarker that is routinely quantified using ELISA in modern research workflows.
1. Cytokine storm and immunotherapy
IL-6 is a key driver of cytokine release syndrome (CRS), particularly in:
- CAR-T therapy
- Viral infections
- Severe inflammatory responses
High sensitivity IL6 ELISA kits are essential for monitoring immune activation and cytokine dynamics.
2. Biomarker-driven precision medicine
IL-6 is widely used for:
- Disease severity prediction
- Patient stratification
- Treatment monitoring
Detecting low baseline IL-6 levels requires ultra-sensitive ELISA assays.
3. AI and multi-omics integration
IL-6 is increasingly integrated into:
- Multi-omics datasets
- Machine learning models
- Systems immunology
Making IL-6 a core biomarker node in data-driven and translational research.
Recommended IL6 ELISA Kits for Cytokine Detection
Explore our IL6 ELISA kits validated for serum, plasma, and cell culture samples, delivering high sensitivity and reproducible cytokine detection.
All IL6 ELISA kits below are supported by peer-reviewed publications, demonstrating reliable performance in cytokine detection and inflammation research.
SKU | Product Name | 灵敏度 | 检测范围 | Size | Price |
|---|---|---|---|---|---|
orb775021 | Human IL6 ELISA Kit – High Sensitivity, Literature Validated for Cytokine Detection | 3.3 pg/mL | 7.82–500 pg/mL | 48T | $300 |
orb775022 | Mouse IL6 ELISA Kit – Literature Supported for Inflammation and Cytokine Studies | 3.2 pg/mL | 7.82–500 pg/mL | 48T | $300 |
orb775023 | Rat IL6 ELISA Kit – Published Research Validated for Preclinical Models | 3.3 pg/mL | 7.82–500 pg/mL | 48T | $300 |
IL6 ELISA kits across species (key advantage)
Unlike most providers, Biorbyt supports broad species coverage:
Core species
- Human
- Mouse
- Rat
Extended species
- Guinea pig, porcine, bovine
- Canine, equine, goat, sheep
- Rabbit, hamster
- Monkey / primate
- Zebrafish
Supporting translational research, veterinary science, and comparative immunology.
Human IL6 Protein Recombinant: Functional and Signaling Studies
Why use recombinant IL-6 protein?
Human IL6 recombinant protein is widely used for:
- Cell stimulation assays
- Cytokine signaling pathway activation
- JAK/STAT functional studies
- Drug screening and neutralization assays
What defines a high-quality IL6 protein?
- High purity (>95%)
- Verified biological activity (ED50 validated)
- Low endotoxin levels for immune assays
- Stable and reproducible performance
Recommended Recombinant IL6 Proteins for Functional Studies
Our recombinant IL6 proteins are validated for cytokine signaling and cell stimulation studies, ensuring high bioactivity and low endotoxin levels for reliable functional assays.
SKU | Product Name | Purity / Bioactivity | Expression System | Size | Price |
|---|---|---|---|---|---|
orb1881858 | Human IL6 Recombinant Protein – Bioactive, High Purity for Cell Stimulation | >95%, ED50: 58–295 pg/mL, endotoxin <1 EU/µg | Yeast, His-tag | 20 µg | $270 |
orb359012 | Mouse IL6 Protein – High Activity, Tag-Free for Inflammation Models | >97%, ED50 <0.02 ng/mL | E. coli, tag-free | 10 µg | $380 |
orb689393 | Human IL6 Protein mFc-His Tag – Mammalian Expressed for Functional Assays | >95% purity | HEK293, Fc-His tag | 10 µg | $190 |
Complete IL-6 Research Workflow
Pair IL6 ELISA kits with recombinant IL6 protein for a complete workflow from cytokine quantification to functional validation.
For optimal experimental design:
- Use IL6 ELISA kits for cytokine quantification
- Use recombinant IL6 protein for functional validation
- Combine detection and signaling analysis for robust conclusions
Why Choose Biorbyt IL-6 Products?
- High-performance IL6 ELISA kits with validated sensitivity
- Literature-supported products with published references
- Bioactive human IL6 recombinant protein
- Multiple species support (human, mouse, rat)
- Low endotoxin options for immune assays
- Reliable and reproducible results
FAQ
How to choose the best IL6 ELISA kit?
Choosing the best IL6 ELISA kit depends on your experimental requirements, including sensitivity, sample type, and research purpose.
Key factors to consider:
- Sensitivity
High sensitivity IL6 ELISA kits (<1–3 pg/mL) are recommended for biomarker studies and detecting low baseline IL-6 levels. - Detection range
Select a kit with an appropriate dynamic range based on expected IL-6 concentrations. - Sample type compatibility
Ensure compatibility with serum, plasma, cell culture, or tissue samples. - Species reactivity
Choose species-specific kits (human, mouse, rat or others). - Literature validation
Published validation ensures reliability and reproducibility.
A high-sensitivity, literature-validated IL6 ELISA kit is recommended for most applications.
What samples can be used for IL6 ELISA assays?
IL6 ELISA kits can be used with a variety of biological samples, including serum, plasma, cell culture supernatants, and tissue lysates. This makes them suitable for cytokine detection in both clinical research and experimental models.
Why are literature-validated ELISA kits important?
Literature-validated ELISA kits provide strong evidence of reliability and performance in real experimental conditions. Products that have been cited in peer-reviewed publications offer greater confidence in reproducibility, sensitivity, and data consistency. Biorbyt IL6 ELISA kits are supported by published studies, making them a reliable choice for cytokine detection and inflammation research.
How to choose recombinant IL6 protein for different research applications?
When selecting recombinant IL6 protein, researchers should consider bioactivity, expression system, and endotoxin levels. Proteins with validated bioactivity (ED50) are essential for reliable cell stimulation. Mammalian-expressed IL6 proteins are preferred for studies requiring native folding and post-translational modifications, while E. coli-expressed proteins are suitable for cost-effective applications. Low endotoxin levels are critical for immune and cell-based assays to avoid non-specific activation.
What is the difference between mammalian and E. coli expressed IL6 protein?
Mammalian-expressed IL6 proteins provide native folding and post-translational modifications, which are important for receptor binding and signaling studies. E. coli-expressed proteins are more cost-effective and suitable for basic assays, but may lack certain modifications. The choice depends on the experimental requirements and assay sensitivity.