Recombinant Mouse LIF Protein

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D3 mouse ESCs werecultured with RecombinantMouseLIF. After 15 days, and following multiple rounds of passaging, theESCs were analyzed for pluripotency by stainingwith PE-conjugated anti-SSEA-1 (Catalog# FAB2155P)and ...read more
D3 mouse ESCs were cultured in Recombinant Mouse LIF (10 ng/mL) for 15 days, including 4 passages. ESCs continue to express the mouse pluripotency markers, SSEA-1 (red) and SOX2 (green). SSEA-1 was visualized with the ...read more
Recombinant Mouse LIF(Catalog # 8878-LF) inducesIL-6 secretion in M1 mouse myeloid leukemia cells. The ED50 for for this effect is 0.1-0.6ng/mL

Product Details

Summary
Reactivity MuSpecies Glossary
Applications Bioactivity

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Recombinant Mouse LIF Protein Summary

Details of Functionality
Measured by its ability to induce IL-6 secretion by M1 mouse myeloid leukemia cells. The ED50 for this effect is 0.1-0.6 ng/mL.
Source
E. coli-derived mouse LIF protein
Pro25-Phe203
Accession #
N-terminal Sequence
Pro25
Protein/Peptide Type
Recombinant Proteins
Gene
Lif
Purity
>95%, by SDS-PAGE with silver staining.
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Theoretical MW
20 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
SDS-PAGE
20 kDa, reducing conditions
Publications
Read Publications using
8878-LF in the following applications:

Packaging, Storage & Formulations

Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Purity
>95%, by SDS-PAGE with silver staining.
Reconstitution Instructions
Reconstitute at 0.2-1 mg/mL in sterile PBS.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Recombinant Mouse LIF Protein

  • CDF
  • D factor
  • DIA
  • differentiation inhibitory activity
  • differentiation stimulating factor
  • Differentiation-stimulating factor
  • Emfilermin
  • HILDAcholinergic differentiation factor
  • leukemia inhibitory factor (cholinergic differentiation factor)
  • leukemia inhibitory factor
  • LIF
  • Melanoma-derived LPL inhibitor
  • MLPLI

Background

LIF (leukemia inhibitory factor) is a widely expressed pleiotropic member of the IL-6 family of cytokines (1-3). Mature mouse LIF is expressed as a highly and variably glycosylated 32-62 kDa monomer that shares 78%, 91%, 80%, 76%, and 78% aa sequence identity with human, rat, canine, bovine, and porcine LIF, respectively (4). LIF functions through a heterodimeric receptor complex containing a ligand-binding subunit, LIF R alpha /CD118, and a signal transducing subunit, gp130 (2, 4, 5). gp130 also serves as a subunit of the receptor complexes for Oncostatin M, Cardiotrophin-1, CNTF, IL-6, IL-11, and IL-27 (2, 5). A soluble form of mouse LIF R alpha can be generated by alternative splicing (6). Depending on the cells and their context, LIF either opposes or favors differentiation (2, 7). LIF produced by the uterine endometrium supports successful implantation of the embryo, promotes proliferation and maintenance of pluripotency in embryonic stem cells, and favors proliferation of progenitor cell types such as hematopoietic stem cells (2, 5, 7). However, excess LIF blocks differentiation of embryoid bodies, indicating the importance of LIF regulation (2, 5). LIF is produced by activated CD4+ T cells and is required by the thymic epithelium to support T cell maturation (2, 3). Its expression is upregulated by neuronal injury, and it promotes motor neuron survival and oligodendrocyte myelination (2, 3, 8). It is produced by the adrenal cortex and likely enhances adrenal production of cortisol and aldosterone (9). LIF can also function as an autocrine growth factor in some pancreatic cancers, but it induces differentiation in the myeloid leukemic cell line M1 (1, 10). Tumor cell-derived LIF can also induce formation of immunosuppressive tumor-associated macrophages (11). LIF promotes endometrial remodeling and differentiation of adipocytes and cardiac smooth muscle cells (2, 3, 12). It promotes regulatory T cell and inhibits Th17 cell differentiation, thus down-regulating inflammation and contributing to immune tolerance during pregnancy and in the nervous system (2, 3, 5, 7).
  1. Moreau, J.F. et al. (1988) Nature 336:690.
  2. Trouillas, M. et al. (2009) Eur. Cytokine Netw. 20:51.
  3. Metcalfe, S.M. (2011) Genes Immun. 12:157.
  4. Gearing, D.P. et al. (1987) EMBO J. 6:3995.
  5. Cheng, J.G. et al. (2001) Proc. Natl. Acad. Sci. USA 98:8680.
  6. Tomida, M. et al. (1993) FEBS lett. 334:193.
  7. Paiva, P. et al. (2009) Cytokine Growth Factor Rev. 20:319.
  8. Slaets, H. et al. (2010) Trends Mol. Med. 16:493.
  9. Bamberger, A.M. et al. (2000) Mol. Cell. Endocrinol. 162:145.
  10. Kamohara, H. et al. (2007) Int. J. Oncol. 30:977.
  11. Duluc, D. et al. (2007) Blood 110:4319.
  12. Zouein, F.A. et al. (2013) Eur. Cytokine Netw. 24:11.

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8878-LF
Species: Mu
Applications: Bioactivity

Publications for LIF (8878-LF)(6)

We have publications tested in 1 confirmed species: Mouse.

We have publications tested in 1 application: Bioassay.


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Bioassay
(6)
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Mouse
(6)
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Showing Publications 1 - 6 of 6.
Publications using 8878-LF Applications Species
YY Wang, S Ma, Q Chen, D Jiao, Y Yang In vivo selection with lentiviral expression of Bcl2T69A/S70A/S87Amutant in hematopoietic stem cell-transplanted mice Gene Ther., 2018;0(0):. 2018 [PMID: 29523881] (Bioassay, Mouse) Bioassay Mouse
J Yang, C Wu, I Stefanescu, A Horowitz Analysis of Retinoic Acid-induced Neural Differentiation of Mouse Embryonic Stem Cells in Two and Three-dimensional Embryoid Bodies J Vis Exp, 2017;0(122):. 2017 [PMID: 28518115] (Bioassay, Mouse) Bioassay Mouse
MM Mata-Miran, GJ Vazquez-Za, M Rojas-Lope, V Sanchez-Mo, DG Perez-Ishi, RJ Delgado-Ma Morphological, molecular and FTIR spectroscopic analysis during the differentiation of kidney cells from pluripotent stem cells Biol. Res., 2017;50(1):14. 2017 [PMID: 28376862] (Bioassay, Mouse) Bioassay Mouse
G Valenti, HM Quinn, GJ Heynen, L Lan, JD Holland, R Vogel, A Wulf-Golde, W Birchmeier Cancer stem cells regulate cancer-associated fibroblasts via activation of Hedgehog signaling in mammary gland tumors Cancer Res, 2017;0(0):. 2017 [PMID: 28202523] (Bioassay, Mouse) Bioassay Mouse
Di Jiang miR-124 promotes the neuronal differentiation of mouse inner ear neural stem cells Int. J. Mol. Med, 2016;38(5):1367-1376. 2016 [PMID: 28025992] (Bioassay, Mouse) Bioassay Mouse
Renalase expression by melanoma and tumor associated-macrophages promotes tumor growth through a STAT3-mediated mechanism Cancer Res, 2016;0(0):. 2016 [PMID: 27197188] (Bioassay, Mouse) Bioassay Mouse

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Bioinformatics

Gene Symbol Lif
Entrez
Uniprot