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Anti-Mouse IL-12

产品编号:I-330

产品描述:Anti-Mouse IL-12

反应种属:mouse

实验方法:ELISA, N, WB

标记:

规格:100ug

供应商:leinco

价格(RMB):5325.00

订购:订购

说明书:

Goat Anti-Mouse Interleukin-12 (IL-12)
Antigen Affinity Purified
(NKSF, TSF, Maturation Factor, Cytotoxic Lymphocyte Maturation Factor (CLMF), p35)
Polyclonal Antibody

Prod. No.: I-330
Host:          Goat
Pkg. Size: 1 mg, 100 µg
Storage:       -20°C to -70°C

Description
Specificity:
Goat Anti-Mouse Interleukin-12 (IL-12) recognizes Mouse IL-12. This antigen affinity purified polyclonal antibody was purified using a proprietary chromatographic technique that includes covalently immobilizing the antigen proteins or peptides to agarose based beads. This purification method enhances specificity, reduces nonspecific binding of extraneous IgG and provides you with the most reliable reagent available for your early discovery research.

Background:
Interleukin 12 (IL-12, NK cell stimulatory factor, cytotoxic lymphocyte maturation factor) is a heterodimeric cytokine that is naturally produced by dendritic cells1 , macrophages and human B-lymphoblastoid cells (NC-37) in response to antigenic stimulation. IL-12 is involved in the differentiation of naive T cells into Th1 cells, which is important in resistance against pathogens. It is known as a T cell stimulating factor, which can stimulate the growth and function of T cells. It stimulates the production of IFN-γ and TNF-α from T and natural killer (NK) cells, and reduces IL-4 mediated suppression of IFN-γ. IL-12 also has anti-angiogenic activity, which can block the formation of new blood vessels. IL-12 binds to the IL-12 receptor and upon binding, IL-12R-β2 becomes tyrosine phosphorylated and provides binding sites for kinases, Tyk2 and Jak2. These are important in activating critical transcription factor proteins such as STAT4 which are implicated in IL-12 signaling in T cells and NK cells.2 IL-12 contributes to the antimycobacterial immune response by enhancing production of interferon-gamma, facilitating development of Th1 cells and augmenting cytotoxicity of antigen-specific T cells and natural killer cells.3

Known Species Cross Reactivity: Ms+
Immunogen
Purified Recombinant Mouse IL-12 (>98%)
Formulation
This antigen affinity purified polyclonal antibody has been 0.2 µm filtered and lyophilized from modified Dulbecco’s phosphate buffered saline (1X PBS) pH 7.2 – 7.3 containing 5.0% w/v trehalose with no calcium, magnesium, or preservatives present.
Reconstitution
We suggest aseptically reconstituting this lyophilized, antigen affinity purified polyclonal antibody with 1 ml of sterile 1X PBS pH 7.2-7.3. This will result in a final antibody concentration of 0.1 mg/ml.
Endotoxin
<0.1 EU/µg as determined by the LAL method
Storage and Stability
The lyophilized antigen affinity purified polyclonal antibody can be stored desiccated at -20°C to -70°C for twelve months from date of receipt. The reconstituted antibody can be stored for at least four weeks at 2-8°C. For long-term storage of the reconstituted antibody, aseptically aliquot into working volumes and store at -20°C to -70°C in a manual defrost freezer. Avoid Repeated Freeze Thaw Cycles. No detectable loss of activity was observed after six months.
Reported Applications
Indirect ELISA, N, WB
Indirect ELISA: This antibody can be used in an indirect detection ELISA at 0.5 - 1.0 µg/ml with a suitable second step reagent such as Donkey Anti-Goat IgG (H&L)-Horseradish Peroxidase (Leinco Prod. No.: G505). The detection sensitivity of this indirect ELISA for Mouse IL-12 is approximately 0.16 ng/well.
Neutralization: This antibody is useful for neutralization of Mouse IL-12 bioactivity. The antibody dose required to neutralize 50% (ND50) of the biological activity of Mouse IL-12 (at 1 ng/ml) is 0.04 - 0.12 µg/ml.
Western Blotting: To detect Mouse IL-12 this polyclonal antibody can be used at a concentration of 0.1 - 0.2 µg/ml. This polyclonal antibody should be used in conjunction with compatible second-step reagents such as Donkey Anti-Goat IgG (H&L)-Horseradish Peroxidase (Leinco Prod. No.: G505) and a chromogenic substrate such as TMB HRPO Membrane/IHC Substrate UltraSensitive™ One Component "Ready Use" (Leinco Prod. No.: T343). The detection limit for Mouse IL-12 is 20 ng/lane under either reducing or non-reducing conditions. The sensitivity of detection may increase up to 50 fold when a chemiluminescent substrate is used.

References
1. Kapsenberg ML et al. (1997) J. Immunol. 159: 28
2. Jerome Ritz. et al. Blood 95: 3190
3. Barnes PF. et al. J. Clin. Invest. 93: 1733

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Anti-Mouse IL-12-Biotin (Antigen Aff. Pur.) (Leinco Prod. No.: I-268)
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Anti-Mouse IL-12 (Leinco Prod. No.: I-331)
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Products are for research use only. Not for use in diagnostic or therapeutic procedures.