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| Catalog No. | Product Name | Size | List Price (US$) | Quantity |
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Conditions of optimal IL-33 Protein performance should be determined experimentally by the investigator.
Price/availability/specifications subject to change without notice. Unless otherwise indicated, our catalog and customized products are for research use only and not intended for human or animal diagnostic or therapeutic use.
Phone: 1-617-401-8149
Fax: 1-617-606-5019
Email: message@sydlabs.com
Or leave a message with a formal purchase
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Introduction
Interleukin 33 (IL-33) is a 32 kDa proinflammatory cytokine that may also regulate gene transcription in producer cells. IL-33 is structurally related to IL-1, which induces helper T cells to produce type 2 cytokines and acts through the receptor IL1RL-1 (IL1 receptor-like-1), which is known also as ST2. Binding of IL-33 to this receptor activates NF-kappa-B and MAP kinases and induces in vitro Th2 cells to produce cytokines. In vivo, IL-33 induces expression of IL-4, IL-5, IL-13 and leads to severe pathological changes in mucosal organs and in vitro, it can be divided to N-terminal fragment of 12 kDa and C-terminal fragment of 18 kDa by cleavage of caspase-1.
BP000156-CYT-150: Recombinant Rat Interleukin 33 (IL-33) Protein
Source: E. coli-derived.
N-terminal sequence analysis: 17.4 kDa.
The ED50 was determined by the dose-dependent stimulation of the proliferation of murine D10S cells is <0.5 ug/ml, corresponding to a specific activity of >2,000,000 units/mg.
Purity: > 95.0% by SDS-PAGE.
Formulation: Lyophilized from a 0.2 um filtered concentrated solution in PBS, pH 7.4.
Reconstitution: It is recommended to reconstitute the lyophilized IL-33 in sterile 18 M?-cm H2O not less than 100 ug/ml, which can then be further diluted to other aqueous solutions.
Shipping: The product is shipped with ice pack. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70°C as supplied.
1 month, 2 to 8°C under sterile conditions after reconstitution.
3 months, -20 to -70°C under sterile conditions after reconstitution.
Other IL-33 Proteins:
Recombinant Mouse IL-33 Protein
Recombinant Human IL-33 Protein, His Tag
Recombinant Human IL-33 Protein, His Tag
Recombinant Human IL-33 Protein
Recombinant Human IL-33 Protein
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