Rat IL-9 重组大鼠白细胞介素IL-9(大鼠白介素IL

Product Information

 

Product Name	Cat#	Size	Price（¥）
Recombinant Rat Interleukin-9 (Rat IL-9)	90173ES10	10 μg	1,855
	90173ES60	100 μg	13,615
	90173ES76	500 μg	35,395

 

Product Description

 

Interleukin-9 (IL-9), also known as P40 and MEA (mast cell growth-enhancing activity), is a 30-40 kDa glycosylated member of a cytokine family that includes Interleukins-2, -4, -7, -15, and -21. These proteins utilize heteromeric receptors containing the Common gamma chain ( gamma c) in addition to ligand-specific subunits. IL-9 interacts selectively with IL-9 R which then associates with gamma c to form the functional receptor complex. IL9 contributes to allergic inflammation, autoimmunity-induced inflammation, parasite clearance from the GI tract, and Treg-mediated immune suppression. It enhances the expansion and recruitment of mast cells and eosinophils as well as the production of IgE and Th2 cytokines. It is required for anaphylactic responses to ingested allergens but not to systemic allergens. IL-9 plays multiple roles in the development and function of subsets within the CD4+ T cell lineage. It is expressed by activated Th9, Th17, Treg, and Th2 cells. IL-9 acts as an autocrine growth and activation factor for Th17, Treg, and mast cells. It also can inhibit immune responses by enhancing the suppressive properties of Treg and by recruiting immune-suppressive mast cells to sites of inflammation. Mature rat IL-9 shares 58% and 74% amino acid sequence identity with human and mouse IL-9, respectively.

 

Product Properties

 

Synonyms	Cytokine P40; HP40
Accession	D4A8l9
GeneID	116558
Source	E.coli-derived Rat IL-9, Gln19-Ala144, with an N-terminal Met.
Molecular Weight	Approximately 14.3 kDa.
AA Sequence	MQRCSTSWGI QHTSYLIENL KDDPSSKCSC SANVTSCLCL PIPSDDCTTP CFQEGMSQVT NATQQSKFSP FFFRVKRIVE TLKSNKCQFF SCEKPCNQTT AGNTVSFLKS LLKTFQKTEV QVQRSRA
Tag	None
Physical Appearance	Sterile Filtered White lyophilized (freeze-dried) powder.
Purity	> 97% by SDS-PAGE and HPLC analyses.
Biological Activity	The ED50 as determined by a cell proliferation assay using murine TS1 cells is less than 10 ng/mL, corresponding to a specific activity of > 1.0 × 105 IU/mg. Fully biologically active when compared to standard.
Endotoxin	< 0.1 EU per 1μg of the protein by the LAL method.
Formulation	Lyophilized from a 0.2 µm filtered concentrated solution in PBS, pH 7.4.
Reconstitution	We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1% BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20°C. Further dilutions should be made in appropriate buffered solutions.

 

Shipping and Storage

 

The products are shipped with ice pack and can be stored at -20℃ to -80℃ for 1 year.

Recommend to aliquot the protein into smaller quantities when first used and avoid repeated freeze-thaw cycles.

 

Cautions

 

1. Avoid repeated freeze-thaw cycles.

2. For your safety and health, please wear lab coats and disposable gloves for operation.

3. For research use only!

 

HB220425