Human IL-1 beta/IL1B, C-His Tag Protein

Active

Usd: 159

Specification

20μg

50μg

100μg

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Catalog# HA210576

Human IL-1 beta/IL1B, C-His Tag Protein

This product has been cited in peer reviewed publications, see list HERE

Product Information

Product name

Human IL-1 beta/IL1B, C-His Tag Protein

Catalog No.

HA210576

Predicted molecular mass

18.8 kD

Protein construction description

A DNA sequence encoding the human IL-1 beta / IL1B protein (P01584) (Ala 117-Ser 269) was expressed with a His tag at the C-terminus.

Accession

P01584

Protein construction

IL-1 beta / IL1B (117-269) His

Source

HEK293

Bio Activity

Measured by its ability to induce Interferon gamma secretion by human natural killer lymphoma NK-92 cells. The ED50 for this effect is typically 0.2-2 ng/mL.

Purity

>95% as determined by SDS-PAGE.

Endotoxin

Less than 1.0 EU per μg by the LAL method.

Formulation

Lyophilized from a 0.2 μm filtered solution of PBS, pH7.4, 5% Trehalose, 5% mannitol.

Species

Human

Background

Two forms of interleukin-1, designated IL-1α and IL-1β, have been described. Although encoded by distinct genes and exhibiting roughly only 25% sequence identity, IL-1α and IL-1β bind to the same receptor and seem to elicit similar biological responses. IL-1 production is generally thought to be associated with inflammation, but it has also been shown to be expressed during kidney development, thymocyte differentiation and cartilage degradation. IL-1 plays a critical role in the regulation of immune response and inflammation, acting as an activator of T and B lymphocytes and natural killer (NK) cells. In T cells, IL-1 stimulates the production of IL-2 and selectively inhibits IL-4 expression. IL-1 induces B cell proliferation and maturation, and immunoglobulin synthesis. NK cells require IL-1β for production of the anti- pathogen IFN-γ. IL-1 has also been implicated in several pathological conditions including rheumatoid arthritis, inflammatory bowel disease and atherosclerosis.

Usage guide

Shipping

In general, recombinant proteins are provided as lyophilized powder which are shipped with blue ice. Bulk packages of recombinant proteins are provided as frozen liquid which are shipped with dry ice.

Storage

Please avoid repeated freeze-thaw cycles. Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃ It is recommended that aliquot the reconstituted solution to minimize freeze-thaw cycles.

Reconstitution

Reconstitute at 250 μg/ml in sterile water.

Citation

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Psoriasis modulates inflammatory bowel disease risk and intestinal epithelium lipid metabolism via IL-1β-producing macrophages
- Journal: Cell Metabolism
- DOI: 10.1016/j.cmet.2026.02.014
- IF: 30.9
- Application:
- Reactivity: Human
- Publish date: 2026 Mar

Human IL-1 beta/IL1B, C-His Tag Protein

Usd: 159

Specification

Product Information

Product name

Catalog No.

Predicted molecular mass

Protein construction description

Accession

Protein construction

Source

Bio Activity

Purity

Endotoxin

Formulation

Species

Background

Usage guide

Shipping

Storage

Reconstitution

Citation

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