Recombinant Human LIF
- Cat. No.：EPT153
- Price：Negotiable
- Clicks：1429
Product Detail
Basic Information
| Size | 10ug |
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| Expression Host | E.coli |
| Tag | NA |
Physical Properties
| Molecular Weight | 19.7 KDa |
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| Apparent Molecular Weight | 18 KDa, reducing conditions |
| Form | Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4. |
| Purity | Greater than 95% as determined by reducing SDS-PAGE. |
Activity & Endotoxin
| Endotoxin Level | Less than 0.001 ng/µg (0.01 EU/µg) as determined by LAL test. |
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Storage & Shipping
| Reconstitution | Always centrifuge tubes before opening.Do not mix by vortex or pipetting. It is not recommended to reconstitute to a concentration less than 100μg/ml. Dissolve the lyophilized protein in distilled water. Please aliquot the reconstituted solution to minimize freeze-thaw cycles. |
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| Storage | Lyophilized protein should be stored at < -20°C, though stable at room temperature for 3 weeks. Reconstituted protein solution can be stored at 4-7°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months. |
| Shipping Condition | The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature listed below. |
Detailed Description
| Background | Leukemia Inhibitory Factor (LIF) is a lymphoid factor that promotes long-term maintenance of embryonic stem cells by suppressing spontaneous differentiation. LIF has a number of other activities including cholinergic neuron differentiation, control of stem cell pluripotency, bone and fat metabolism, mitogenesis of certain factor dependent cell lines and promotion of megakaryocyte production in vivo. Human and murine mature LIF exhibit a 78% sequence identity at the amino acid level. Human LIF is equally active on human and mouse cells. Murine LIF is approximately 1000 fold less active on human cells than human LIF. |
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