Rat IL-33 (Interleukin-33) ELISA Kit

Product specifications

ELISA Kits

Rat

Colorimetric

4 hours

Sandwich ELISA, Double Antibody

15.625-1000pg/ml

9.375pg/ml

96T

ELISA

Serum, Plasma, Cell Culture Supernatant, cell or tissue lysate, Other liquid samples

Shipped within 10-14 working days.

2-8 °C for 12 months

Q66H70

IL33,IL-33,C9orf26,IL1F11,IL-1F11

Elisa kits for IL33

RUO

IL33 is a nuclear alarmin cytokine belonging to the IL-1 family, released during cellular stress, injury, or necrosis to alert the immune system and promote inflammation. IL33 binds to its receptor IL1RL1 (ST2) and forms a signaling complex with IL1RAP, leading to activation of NF-κB and MAPK pathways, which drive cytokine production, immune cell activation, and tissue repair. IL33 primarily targets type 2 immune cells, including Th2 cells, innate lymphoid cells (ILC2s), mast cells, and eosinophils, to regulate allergic inflammation, tissue homeostasis, and anti-helminth immunity. It is abundantly expressed in epithelial cells, endothelial cells, and fibroblasts, where it functions as both a cytokine and a transcriptional regulator. Dysregulated IL33 signaling contributes to allergic diseases, such as asthma, atopic dermatitis, and rhinitis, as well as inflammatory and fibrotic disorders. In tumors, IL33 can promote both pro- and anti-tumor immune responses depending on the context. Knockout studies reveal reduced type 2 cytokine production, impaired tissue repair, and weakened immune responses, highlighting IL33’s role in inflammation, tissue homeostasis, and immunity.

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