IL-33 Antibody (Cytokine)

IL-33 Antibody Datasheet

IL-33 Antibody Product Information

• Immunogen: Recombinant Human IL-33 protein (Catalog#10368-HNAE)
• Antibody Type: Mouse Monoclonal Antibody ( Mouse mAb Service Platform )
• Clone ID: 03
• Ig Type: Mouse IgG2b
• Formulation: 0.2 μm filtered solution in PBS with 5% trehalose
• Preparation: This antibody was produced from a hybridoma resulting from the fusion of a mouse myeloma with B cells obtained from a mouse immunized with purified, recombinant Human IL-33 (rh IL-33; Catalog#10368-HNAE; NP_254274.1; Ser 112-Thr 270). The IgG fraction of the cell culture supernatant was purified by Protein A affinity chromatography.

IL-33 Antibody Usage Guide

• Specificity: Human IL-33
• No cross-reactivity in ELISA with
  

  Human cell lysate (293 cell line)

• Flow Cytometry:
  

  Flow cytometric analysis of Purified anti-Human IL-33 on HUVEC cells. HUVEC cells were treated according to manufacturer’s manual (BD Pharmingen™ Cat. No. 554714), and stained with Purified Mouse anti-IL-33 (Bold line hisgram, 1 μg/test), then stained with a FITC-conjugated second step antibody.

  Flow cytometry was performed on a BD FACSCalibur flow cytometry system

  Please refer to www.sinobiological.com/Flow-Cytometry-FACS-Protocols-a-750.html for technical protocols.

• Direct ELISA: This antibody can be used at 0.5-1.0 μg/mL with the appropriate secondary reagents to detect Human IL33. The detection limit for Human IL33 is approximately 0.625 ng/well.
• Storage: This antibody can be stored at 2℃-8℃ for one month without detectable loss of activity. Antibody products are stable for twelve months from date of receipt when stored at -20℃ to -70℃. Preservative-Free.
  Sodium azide is recommended to avoid contamination (final concentration 0.05%-0.1%). It is toxic to cells and should be disposed of properly. Avoid repeated freeze-thaw cycles.

IL-33 Antibody Background

Interleukin-33 (IL-33), initially discovered as a nuclear factor NF-HEV abundantly expressed in high endothelial venules, also known as DVS 27, is a proinflammatory protein and a chromatin-associated cytokine of the IL-1 family with high sequence and structural similarity to IL-1 and IL-18. IL-33 is expressed highly and rather selectively by high endothelial venule endothelial cells (HEVECs) in human tonsils, Peyers's patches, and lymph nodes. It contains a bipartite nuclear localization signal at the C-terminus, and is targeted to the nucleus when ectopically expressed in human umbilical vein endothelial cells (HUVECs) and HeLa cells. The C-terminal fragment, corresponding to mature IL-33, binds and triggers signaling. IL-33 mediates its biological effects via Toll-interleukin 1 (IL-1) receptor (TIR) domain-containing receptor ST2, activates NF-kappaB and MAP kinases, and drives production of T (H)2-associated cytokines from in vitro polarized T (H)2 cells. In vivo, IL-33 induces the expression of IL-4, IL-5, and IL-13 and leads to severe pathological changes in mucosal organs.

References

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