规格
Activity:	0.5 ng/ml
Bioassay:	Dose-dependent proliferation of TF-1 cells
Product Line:	Gibco®
Protein:	Leukemia inhibitory factor
Shipping Condition:	Dry Ice
Expression System:	E. coli
Protein Family:	Cytokines & Receptors
Protein Form:	Recombinant, Ligand
Protein Subtype:	Other Cytokines
Research Category:	Oncology
Species:	Human
Molecular Weight:	21 kDa
Purification Method:	Sequential Chromatography
Purity:	95 %
Quantity:	10μg
Gene Alias:	LIF
Gene Symbol:	LIF
Protein Tag:	Untagged

储存
Lyophilized form should be stored at 2–8°C, preferably desiccated. Reconstituted form should be stored at ≤ –20°C (not in a frost-free freezer). Keep freeze-thaw cycles to a minimum.

描述

Recombinant human leukemia inhibitory factor (LIF) is a bioactive protein intended for use in cell culture applications. LIF is a cytokine that induces macrophage differentiation. LIF, in conjunction with BMP2, acts on primary fetal neural progenitor cells to induce astrocytes.

• High purity—minimizes interference from other proteins or contaminants
• High biological activity—more results with less protein
• Proven compatibility—Gibco® proteins bioassayed with Gibco® media

High Purity Recombinant Bioactive Protein
Recombinant human LIF is one of our more than 250 available Gibco® recombinant proteins. To help ensure Gibco® growth factors are of the highest quality, each protein is analyzed for purity along with structural homogeneity to ensure a biologically active protein.

High Biological Activity
In-house activity testing of Gibco® recombinant proteins includes cell proliferation, cytotoxicity, chemotaxis, calcium flux, secondary cytokine up-regulation, induction of surface antigen expression, antiviral, and protease assays. Recombinant human LIF-specific activity is determined by measuring the LIF dose-dependent proliferation of Human TF-1 cells.

Proven Compatibility
Gibco® proteins are bioassayed with Gibco® media. Since 1962, Gibco® has been the consistent provider of high quality media, reagents, and sera for reliable cell culture.

See our selection of recombinant Gibco® growth factors.

For Research Use Only. Not intended for animal or human diagnostic or therapeutic use.

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