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Description
IL-1α (Interleukin-1α), a key member of the interleukin-1 (IL-1) family, shares a similar β-trefoil topology with other IL-1 family members such as IL-1β, despite low sequence homology. Like IL-1β, it exerts its biological functions by binding to the interleukin-1 receptor (IL-1R). IL-1α is a pleiotropic cytokine that plays a central role in inflammation, immune responses, and cell proliferation.In in vitro cell culture, IL-1α stimulates monocytes/macrophages and dendritic cells to secrete other cytokines, thereby mimicking an inflammatory environment. It also promotes the proliferation of fibroblasts and endothelial cells, making it a useful tool in wound healing and angiogenesis research.
Specifications
| Product Details | |
|---|---|
| Cat. No. | Y01921H |
| Purity | ≥95%, by SDS-PAGE (under reducing (R)& Non-reducing conditions, visualized by Coomassie staining). |
| Endotoxin | ≤100 EU/mg by the LAL method. |
| Bioactivity | Measured by its ability to induce NF-kB reporter activity by the reporter gene assay. The ED50 for this effect is ≤0.05ng/mL. |
| Accession | P01583 |
| Species | Human |
| Expression System | E. coli |
| Mol. Weight | 18.0kDa |
| Expression Region | Ser113-Ala271 |
| Tag Info | Tag free |
| Formulation | Lyophilized |
| Buffer | PB, 5% Trehalose and 0.01% Tween 80, pH7.4. |
| Size | 50μg/1mg |
| Lead Time | Products are in stock, but custom products may require further consultation. |
| Reconstitution | It is recommended to redissolve in sterile deionized water. |
| Shipping | The product is shipped with blue ice. |
Features
- ✔ High Purity: This product undergoes stringent purification processes, achieving a purity level of over 95%,ensuring the reliability and reproducibility of experimental results.
- ✔ High Biological Activity: Verified through multiple activity assays, this product effectively induces the expectedbiological responses in target cells.
- ✔ Batch Consistency: Manufactured under strict production and quality control protocols to ensure highconsistency between batches.
- ✔ Animal-Free: Produced without the use of animal-derived components, meeting animal-free requirements.
Applications
Hematology
Involved in inflammation-driven hematopoietic stress, affecting myeloid cell activation.
Immunology
Classical pro-inflammatory cytokine that activates innate immunity and amplifies inflammatory cascades.
Cell Biology
Regulates inflammatory responses, stress signaling, and intercellular communication.
Data Figures

Figure 1: Human IL-1A (Cat. No. Y01921H) induces NF-kB reporter activity by the reporter gene assay. The ED50 for this effect is ≤0.05 ng/mL. The activity of Human IL-1A (Cat. No. Y01921H) was higher than the other competing product.
Instructions for Use
- Dissolve the lyophilized powder in an appropriate sterile buffer in a sterile environment before use.
- Prepare and dilute the solution according to experimental requirements to ensure accurate and reproducible results.
- Do not mix with other similar products to avoid cross-reactivity and potential interference.
Cautions
• Research Use Only: This product is not suitable for clinical diagnostics or therapeutic applications.
• Preservation: Handle according to instructions to preserve its activity and stability.
• Support: Contact our technical support team if you encounter any issues or questions.
Documents
When can I expect my order to ship?
Most orders are filled and shipped within 2-3 business days from the time they are received.
Our standard shipping usually take 2-5 days.
We also provide express shippping for time-sensitive deliveries.
Email contact@biofargo.com if you have any requirements.

