| Alternative Name: | Interleukin-9, T-cell growth factor p40, P40 cytokine |
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| MW: | ~7.9 kDa |
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| Source: | Produced in E. coli. Contains 127 amino acids. |
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| UniProt ID: | P15247 |
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| Formulation: | Lyophilized from a sterile (0.2 micron) filtered solution containing 0.1% Trifluoroacetic Acid (TFA). |
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| Purity: | ≥90% (SDS-PAGE) |
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| Endotoxin Content: | ≤1 EU/µg protein (LAL test) |
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| Biological Activity: | M07e cell proliferation; ≤ 2 ng/mL (≥ 5.0 x 105 units/mg). |
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| Reconstitution: | Reconstitute in sterile water at 0.1 mg/mL. |
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| Shipping: | Ambient Temperature |
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| Long Term Storage: | -80°C |
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| Handling: | Avoid freeze/thaw cycles. After reconstitution, prepare aliquots and store at -80°C. For long term storage, it is recommended to dilute to working aliquots in a 0.1% BSA solution. |
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| Scientific Background: | Interleukin 9 (IL-9) is a cytokine produced by type 2 T helper cells and regulates hematopoietic cells. IL-9 functions to induce cell proliferation and prevent cell apoptosis. IL-9 signals through the interleukin 9 receptor to activate STAT signaling. |
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| Regulatory Status: | RUO - Research Use Only |
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