LIF Protein (AA 23-202)

N° du produit ABIN7275151

Cette protéine Recombinant LIF est exprimée dans HEK-293 Cells.

Aperçu rapide pour LIF Protein (AA 23-202) (ABIN7275151)

Antigène: LIF (Leukemia Inhibitory Factor (LIF))

Type de proteíne: Recombinant

Activité biologique: Active

Origine: Humain

Source: HEK-293 Cells

Pureté: > 95 % as determined by Bis-Tris PAGE,> 95 % as determined by HPLC

Détail du produit

Attributs du protein: AA 23-202

Fonction: Human LIF Protein

Séquence: Ser23-Phe202

Attributs du produit: Recombinant Human LIF Protein is expressed from HEK293 without tag.It contains Ser23-Phe202.

Stérilité: 0.22 μm filtered

niveau d'endotoxine: Less than 0.1 EU per μg by the LAL method.

Biological Activity Comment: Immobilized Human LIF at 2ug/ml (100ul/Well) on the plate. Dose response curve for Human LIF R, hFc Tag with the EC50 of 0.10ug/ml determined by ELISA (QC Test).,Human LIF on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.,Determined by its dose-dependent ability to induce reporter gene in 293T-STAT3-Luc2 reporter cells. The ED50-for this effect is 0.2-2 ng/mL.,The purity of Human LIF is greater than 95% as determined by SEC-HPLC.

Information d'application

Restrictions: For Research Use only

Stockage

Format: Lyophilized

Reconstitution: Dissolve the lyophilized protein in distilled water. It is recommended to resuspend at 0.5 mg/mL if the lyophilized powder is 100 μg or less, at 1 mg/mL for 500 μg or 1 mg lyophilized powder. Do not mix by vortex or vigorous shaking.

Buffer: Lyophilized from 0.22μm filtered solution in PBS ( pH 7.4). Normally 8 % trehalose is added as protectant before lyophilization.

Stock: -20 °C,-80 °C

Stockage commentaire: -20 to -80°C for 12 months as supplied from date of receipt.,-80°C for 3 months after reconstitution.,Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles.

Date de péremption: 12 months

Détail du antigène

Antigène: LIF (Leukemia Inhibitory Factor (LIF))

Autre désignation: LIF

Sujet: Leukemia inhibitory factor (LIF) has played a vital role in a series of reproductive events, including follicle growth, embryo growth and differentiation. However, it is unclear whether the level of LIF in embryo culture medium can be used as a marker for clinical pregnancy.

Poids moléculaire: 19.7 kDa. Due to glycosylation, the protein migrates to 40-55 kDa based on Bis-Tris PAGE result.

UniProt: P15018

Pathways: Signalistation JAK/STAT, Positive Regulation of Peptide Hormone Secretion, Negative Regulation of Hormone Secretion, Stem Cell Maintenance, Growth Factor Binding