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Gibco™ Human LIF, Animal-Free Recombinant Protein, PeproTech® 
Recombinant Protein
$363.00 - $4680.00
Specifications
| Accession Number | P15018 |
|---|---|
| For Use With (Application) | Functional Assay |
| Formulation | protein with no preservative |
| Gene ID (Entrez) | 3976 |
| Molecular Weight (g/mol) | 19.6 kDa |
| Catalog Number | Mfr. No. | Quantity | Price | Quantity | |||||
|---|---|---|---|---|---|---|---|---|---|
| Catalog Number | Mfr. No. | Quantity | Price | Quantity | |||||
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AF30005100
|
Gibco™
LSAF30005100UG |
100 μg |
Each for $1,046.00
|
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AF300051MG
|
Gibco™
AF300051MG |
1 mg |
Each for $4,680.00
|
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|
AF3000525UG
|
Gibco™
LSAF3000525UG |
25 μg |
Each for $363.00
|
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|
AF30005500
|
Gibco™
AF30005500UG |
500 μg |
Each for $2,810.00
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Description
Recombinant Human LIF is a 19.7 kDa protein containing 180 amino acid residues, including three disulfide bonds. This product is shipped at ambient temperature. For storage, handling and reconstitution information, please see the lot-specific Certificate of Analysis
Leukemia inhibitory factor (LIF) is a 20 kDa protein that belongs to the IL-6 receptor family. It binds to a heterodimeric membrane receptor made up of a LIF-specific subunit, gp190 or LIFR, and the subunit gp130, which is shared with the other members of the IL-6 family. LIF expression has been observed in various tissues including thymus, lung, and neuronal tissue. LIF can be up-regulated by pro-inflammatory cytokines such as TNFα and IL-17, and elevated levels of LIF have been found in cases of rheumatoid arthritis, neural injury, systemic inflammation, and tuberculosis. LIF displays diverse biological effects, but is best known for its ability to inhibit the differentiation of embryonic stem cells in mice and contribute to stem cell self-renewal.Human and mouse LIF share 79% sequence homology and exhibit cross-species activity. However, LIF inhibition of stem cell differentiation appears to be mouse-specific.Specifications
| P15018 | |
| protein with no preservative | |
| 19.6 kDa | |
| E. coli | |
| <0.1 EU/ μg | |
| LIF | |
| Determined by its ability to stimulate the proliferation of human TF-1 cells. The expected ED50 is ≤ 0.1 ng/ml, corresponding to a specific activity of ≥ 1 x 10^7 units/mg | |
| Recombinant | |
| -20°C | |
| Lyophilized |
| Functional Assay | |
| 3976 | |
| Human LIF, Animal-Free | |
| RUO | |
| CDF; cholinergic differentiation factor; cholinergic neuronal differentiation factor; d factor; DIA; differentiation inhibitory activity; differentiation-inducing factor; differentiation-stimulating factor; Emfilermin; hepatocyte-stimulating factor III; HILDA; human interleukin in DA cells; leukemia inhibitory factor; leukemia inhibitory factor (cholinergic differentiation factor); LIF; Melanoma-derived LPL inhibitor; MLPLI; myeloid leukaemia inhibitory factor | |
| Lif | |
| Unconjugated | |
| SPLPITPVNA TCAIRHPCHN NLMNQIRSQL AQLNGSANAL FILYYTAQGE PFPNNLDKLC GPNVTDFPPF HANGTEKAKL VELYRIVVYL GTSLGNITRD QKILNPSALS LHSKLNATAD ILRGLLSNVL CRLCSKYHVG HVDVTYGPDT SGKDVFQKKK LGCQLLGKYK QIIAVLAQAF | |
| E. coli | |
| ≥ 98% by SDS-PAGE gel and HPLC analyses. |