Recombinant MurineInterleukin-11 (rMuIL-11)

SKU: orb1495015

Description

Interleukin 11 is a pleiotropic cytokine that was originally detected in the conditioned medium of an IL-1α-stimulated primate bone marrow stromal cell line (PU-34) as a mitogen for the IL-6-responsive murine plasmacytoma cell line T11. IL-11 contains no cysteine residues or potential glycosylation sites. IL-11 has multiple effects on both hematopoietic and nonhematopoietic cells. Many of the biological effects described for IL-11 overlap those for IL-6. In vitro, IL-11 can synergize with IL-3, IL-4 and SCF to shorten the G0 period of early hematopoietic progenitors. IL-11 also enhances the IL-3-dependent megakaryocyte colony formation. IL-11 has been found to stimulate the T cell dependent development of specific immunoglobulin-secreting B cell.

Images & Validation

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Application Notes	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.

Key Properties

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Source	Escherichia coli.
Biological Activity	Fully biologically active when compared to standard. The ED50 as determined by the dose-dependant stimulation of the proliferation of murine T11 was found to be less than 2.0 ng/ml, corresponding to a specific activity of ＞5×105 IU/mg.
Molecular Weight	Approximately 19.1 kDa, a single non-glycosylated polypeptide chain containing 179 amino acids.
Protein Sequence	MPGPPAGSPR VSSDPRADLD SAVLLTRSLL ADTRQLAAQM RDKFPADGDHSLDSLPTLAM SAGTLGSLQL PGVLTRLRVD LMSYLRHVQW LRRAGGPSLKTLEPELGALQ ARLERLLRRL QLLMSRLALP QAAPDQPVIP LGPPASAWGSIRAAHAILGG LHLTLDWAVR GLLLLKTRL
Purification	>97% by SDS-PAGE and HPLC analyses.
Purity	>97% by SDS-PAGE and HPLC analyses.
Endotoxins	Less than 1EU/mg of rmIL-11 as determined by LAL method.

Storage & Handling

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Storage	This lyophilized preparation is stable at 2-8°C, but should be kept at -20°C for long term storage, preferably desiccated. Upon reconstitution, the preparation is stable for up to one week at 2-8°C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20°C to -70°C. Avoid repeated freeze/thaw cycles.
Form/Appearance	Lyophilized from a 0.2mm filtered solution in PBS, pH 7.4.
Buffer/Preservatives	Lyophilized from a 0.2mm filtered solution in PBS, pH 7.4.
Disclaimer	For research use only

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