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Home > Product > Recombinant proteins > Recombinant Mouse LIF protein

Recombinant Mouse LIF protein

Recombinant Mouse LIF protein

Product Summary

Size: 5 ug

Purity: > 98 % by SDS-PAGE and HPLC analyses.

Source: Escherichia coli.

Product Summary

Size: 5 ug

Purity: > 98 % by SDS-PAGE and HPLC analyses.

Source: Escherichia coli.

Product overview

Product name

Recombinant Mouse LIF protein

Code

CD00323

Biological activity

Fully biologically active when compared to standard. The specific activity is determined by inducing differentiation of Mouse M1 myeloid leukemic cells. The minimum detectable concentration of rMuLIF in this assay is 0.01 ng/ml. The specific activity of > 1.0 × 108 IU/mg, where 50 units is defined as the amount of rMuLIF required to induce differentiation in 50 % of the M1 colonies in 1 ml agar cultures.

Endotoxin

Less than 1 EU/μg of rMuLIF as determined by LAL method.

Synonyms

LIF, Mouse

Sequence

SPLPITPVNA TCAIRHPCHG NLMNQIKNQL AQLNGSANAL FISYYTAQGE PFPNNVEKLC APNMTDFPSF HGNGTEKTKL VELYRMVAYL SASLTNITRD QKVLNPTAVS LQVKLNATID VMRGLLSNVL CRLCNKYRVG HVDVPPVPDH SDKEAFQRKK LGCQLLGTYK QVISVVVQAF

Uniprot Accession

Molecular Weight

Approximately 19.9 kDa, a single non-glycosylated polypeptide chain containing 180 amino acids.

Formulation

Lyophilized from a 0.2 μm filtered concentrated solution in 20 mM PB, pH 7.4, with 0.02 % TWEEN 20.

Reconstitution

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.

Background

Leukemia inhibitory factor (LIF) is a member of Interleukin 6 family. This protein is mainly expressed in the trophectoderm of the developing embryo, with its receptor LIFR expressed throughout the inner cell mass. LIF has the capacity to induce terminal differentiation in leukemic cells. Its activities include the induction of hematopoietic differentiation in normal and myeloid leukemia cells, the induction of neuronal cell differentiation, and the stimulation of acute-phase protein synthesis in hepatocytes. LIF is used in mouse embryonic stem cell culture, because that removal of LIF pushes stem cells toward differentiation, but they retain their proliferative potential or pluripotency. It is also used in phase II clinical trial, which can assist embryo implantation in women who have failed to become pregnant despite assisted reproductive technologies (ART). Mature mouse LIF shares 78 % a.a. sequence identity with Human LIF.

Storage

-20ºC

Research area

Immunology

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Associated products

  • Size

    Code

    Price

  • 5 ug

    CD00323

    $176.00

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Lead time: Within two weeks

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