Horse Interleukin 18 (IL18) Protein

Product specifications

Proteins and Peptides

Interleukin 18 (IL18)

E. coli

Horse

Unconjugated

Molecular Weight: Calculated MW: 21.7 kDa  Observed MW (SDS-PAGE): 21 kDa
Concentration: Prior to lyophilization: 200 µg/ml
Sequence Fragment: Please enquire.
Tag: N-terminal His tag

Recombinant

> 97%

50 µg

100 µg

200 µg

500 µg

1 mg

Lyophilized To keep the original salt concentration, we recommend reconstituting to the original concentration prior to lyophilization (see Concentration) in ddH2O. If a lower concentration is required, dilute in PBS, pH 7.4. If a higher concentration is required, the product can be reconstituted directly in PBS, pH 7.4, though please note that this will change the overall salt concentration. The stock concentration should be between 0.1-1.0 mg/ml. Do not vortex.

WB, SDS-PAGE

Prior to lyophilization: PBS, pH 7.4, containing 0.01% Sarcosyl, 1 mM DTT, 5% Trehalose and Proclin-300.

Shipped within 5-7 working days.

Store at 2-8 °C for up to one month. Store at -80 °C for up to one year. Avoid repeated freeze/thaw cycles.

No

IL18,IL-18, IGIF, IL1F4,IL-1F4

Protein IL18

RUO

This product is for research use only.   Not for human consumption, cosmetic, therapeutic or diagnostic use.

Descripción

IL18 is a pro-inflammatory cytokine and a member of the interleukin-1 (IL-1) family, playing a critical role in innate and adaptive immunity. IL18 is produced as an inactive precursor (pro-IL18) and activated by caspase-1 following inflammasome activation. It signals through the IL18 receptor complex, comprising IL18R1 and IL18RAP, leading to the activation of NF-κB, MAPK, and JNK pathways, which promote IFN-γ production, cytokine release, and immune cell activation. IL18 is primarily produced by macrophages, dendritic cells, and epithelial cells in response to infections, tissue damage, and inflammatory stimuli. It plays a pivotal role in enhancing Th1 immune responses, promoting NK cell activation, and inducing IFN-γ-dependent pathogen clearance. Additionally, IL18 supports Th2 and Th17 responses under specific conditions, contributing to allergic inflammation and autoimmunity. Dysregulation of IL18 is associated with chronic inflammation, autoimmune diseases (e.g., rheumatoid arthritis, lupus), and tumor progression, where excessive IL18 signaling exacerbates tissue damage and immune imbalance. Knockout studies show impaired IFN-γ production, defective NK and Th1 responses, and increased susceptibility to infections, underscoring IL18's essential role in immune regulation and host defense.

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