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Human LIFR alpha Antibody

Catalog #: AF-249-NA
16 Citations Datasheet / COA / SDS
Catalog # Availability Size / Price Qty
AF-249-NA
AF-249-SP
Cell Proliferation Induced by LIF and Neutralization by Human LIF R alpha Antibody.
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Citations (16)
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Summary Data Examples Preparation and Storage Reconstitution Calculator Background Product Datasheets Related Research Areas

Human LIFR alpha Antibody Summary

Species Reactivity
Human
Specificity
Detects human LIF R alpha in direct ELISAs and Western blots. In direct ELISAs, approximately 7% cross-reactivity with recombinant mouse LIF R alpha is observed.
Source
Polyclonal Goat IgG
Purification
Antigen Affinity-purified
Immunogen
S. frugiperda insect ovarian cell line Sf 21-derived recombinant human LIF R alpha
Gln45-Ser833
Accession # P42702
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Endotoxin Level
<0.10 EU per 1 μg of the antibody by the LAL method.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Western Blot
0.1 µg/mL
Recombinant Human LIF R alpha (Catalog # 249-LR/CF)
Neutralization
Measured by its ability to neutralize LIF-induced proliferation in the TF‑1 human erythroleukemic cell line [Kitamura, T. et al. (1989) J. Cell Physiol. 140:323]. The Neutralization Dose (ND50) is typically 6-36 µg/mL in the presence of 0.3 ng/mL Recombinant Human LIF.

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Neutralization Cell Proliferation Induced by LIF and Neutralization by Human LIF R alpha Antibody. View Larger

Cell Proliferation Induced by LIF and Neutralization by Human LIF R alpha Antibody. Recombinant Human LIF stimulates proliferation in the TF‑1 human erythroleukemic cell line in a dose-dependent manner (orange line). Proliferation elicited by 0.3 ng/mL Recombinant Human LIF is neutralized (green line) by increasing concentrations of Goat Anti-Human LIF R alpha Antigen Affinity-purified Polyclonal Antibody (Catalog # AF-249-NA). The ND50 is typically 6-36 µg/mL.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Preparation and Storage

Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS.
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Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.
Stability & 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.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: LIFR alpha

The activities of the pleiotropic cytokine LIF are mediated through a high-affinity heterodimeric receptor complex consisting of two membrane glycoproteins: an alpha  subunit (LIF R alpha, also known as LIF R beta and CD118) that binds LIF with low affinity and the 130 kDa (gp130) subunit that does not bind LIF by itself, but is required for high-affinity binding of LIF by the complex. The gp130 subunit was first described as the signal transducing subunit of the high-affinity IL-6 receptor complex. Besides LIF, the high-affinity heterodimeric LIF receptor complex has been shown to mediate the activities of oncostatin M (OSM), cardiotrophin-1 and ciliary neurotrophic factor (CNTF).

Human LIF R alpha  cDNA encodes a 1097 amino acid (aa) residue precursor type I membrane protein with a 44 aa residue signal peptide, a 789 aa residue extracellular domain, a 26 aa residue transmembrane domain, and a 238 aa residue cytoplasmic domain. LIF R alpha is a member of the cytokine receptor family and has extensive homology to gp130. The extracellular domain of LIF R alpha  has two cytokine receptor domains and three fibronectin type III repeats. In mouse, mRNAs encoding a soluble LIF R alpha and lacking transmembrane and intracellular domains, have been isolated. Soluble LIF R alpha has been shown to bind LIF and has LIF antagonistic activity.

References
  1. Bazan, J.F. (1990) Proc. Natl. Acad. Sci. USA 87:6934.
  2. Gearing, D.P. (1994) Guidebook to Cytokines and Their Receptors, Academic Press, p130.
  3. Pennica D. et al. (1995) J. Biol. Chem. 270:10915.
Long Name
Leukemia Inhibitory Factor Receptor alpha
Entrez Gene IDs
3977 (Human); 16880 (Mouse); 81680 (Rat); 102131906 (Cynomolgus Monkey)
Alternate Names
CD118 antigen; CD118; FLJ98106; FLJ99923; leukemia inhibitory factor receptor alpha; leukemia inhibitory factor receptor; LIF R alpha; LIF R beta; LIF receptor; LIFR alpha; LIFR; LIF-R; LIFRa; SJS2; STWS; SWS

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Citations for Human LIFR alpha Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

16 Citations: Showing 1 - 10
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  1. Leukemia Inhibitory Factor Enhances Endometrial Stromal Cell Decidualization in Humans and Mice
    Authors: Lorraine Lin Shuya, Ellen Melaleuca Menkhorst, Joanne Yap, Priscilla Li, Natalie Lane, Evdokia Dimitriadis
    PLoS ONE
  2. Blocking Endogenous Leukemia Inhibitory Factor During Placental Development in Mice Leads to Abnormal Placentation and Pregnancy Loss
    Authors: Amy Winship, Jeanne Correia, Tara Krishnan, Ellen Menkhorst, Carly Cuman, Jian-Guo Zhang et al.
    Scientific Reports
  3. Empagliflozin Reverses Oxidized LDL-Induced RECK Suppression, Cardiotrophin-1 Expression, MMP Activation, and Human Aortic Smooth Muscle Cell Proliferation and Migration
    Authors: Chandrasekar, B;Mummidi, S;DeMarco, VG;Higashi, Y;
    Mediators of inflammation
    Species: Human
    Sample Types: Cell Lysates
    Applications: Western Blot
  4. Concomitant Activation of OSM and LIF Receptor by a Dual-Specific hlOSM Variant Confers Cardioprotection after Myocardial Infarction in Mice
    Authors: H Lörchner, JM Adrian-Seg, C Waechter, R Wagner, ME Góes, N Brachmann, K Sreenivasa, A Wietelmann, S Günther, N Doll, T Braun, J Pöling
    International Journal of Molecular Sciences, 2021-12-29;23(1):.
    Species: Mouse
    Sample Types: Cell Lysates
    Applications: Western Blot
  5. The Phosphoinositide 3-Kinase p110alpha Isoform Regulates Leukemia Inhibitory Factor Receptor Expression via c-Myc and miR-125b to Promote Cell Proliferation in Medulloblastoma.
    Authors: Salm F, Dimitrova V, von Bueren A, Cwiek P, Rehrauer H, Djonov V, Anderle P, Arcaro A
    PLoS ONE, 2015-04-27;10(4):e0123958.
    Species: Human
    Sample Types: Whole Cells
    Applications: Neutralization
  6. A unique loop structure in oncostatin M determines binding affinity toward oncostatin M receptor and leukemia inhibitory factor receptor.
    Authors: Chollangi, Srinivas, Mather, Timothy, Rodgers, Karla K, Ash, John D
    J Biol Chem, 2012-07-24;287(39):32848-59.
    Species: Human
    Sample Types: Recombinant Protein
    Applications: ELISA Development
  7. Disturbances in the LIF pathway in the endometrium among women with unexplained infertility.
    Authors: Aghajanova L, Altmae S, Bjuresten K, Hovatta O, Landgren BM, Stavreus-Evers A
    Fertil. Steril., 2008-08-05;91(6):2602-10.
    Species: Human
    Sample Types: Whole Tissue
    Applications: IHC-P
  8. Expression of leukemia inhibitory factor and its receptors is increased during differentiation of human embryonic stem cells.
    Authors: Aghajanova L, Skottman H, Stromberg AM, Inzunza J, Lahesmaa R, Hovatta O
    Fertil. Steril., 2006-09-01;86(4):1193-209.
    Species: Human
    Sample Types: Whole Cells
    Applications: ICC
  9. Receptor-mediated transport of LIF across blood-spinal cord barrier is upregulated after spinal cord injury.
    Authors: Pan W, Cain C, Yu Y, Kastin AJ
    J. Neuroimmunol., 2006-03-06;174(1):119-25.
    Species: Mouse
    Sample Types:
    Applications: Neutralization
  10. Breast cancer cells stimulate neutrophils to produce oncostatin M: potential implications for tumor progression.
    Authors: Queen MM, Ryan RE, Holzer RG, Keller-Peck CR, Jorcyk CL
    Cancer Res., 2005-10-01;65(19):8896-904.
    Species: Human
    Sample Types: Whole Cells
    Applications: Neutralization
  11. The N-terminal cytokine binding domain of LIFR is required for CNTF binding and signaling.
    Authors: He W, Gong K, Smith DK, Ip NY
    FEBS Lett., 2005-08-15;579(20):4317-23.
    Species: Human
    Sample Types: Cell Lysates
    Applications: Western Blot
  12. Immunocytochemical detection and RT-PCR expression of leukaemia inhibitory factor and its receptor in human fetal and adult ovaries.
    Authors: Abir R, Fisch B, Jin S, Barnnet M, Freimann S, van den Hurk R, Feldberg D, Nitke S, Krissi H, Ao A
    Mol. Hum. Reprod., 2004-03-25;10(5):313-9.
    Species: Human
    Sample Types: Whole Tissue
    Applications: IHC-Fr
  13. Leukocytes, cytokines, growth factors and hormones in human skeletal muscle and blood after uphill or downhill running.
    Authors: Malm C, Sjodin TL, Sjoberg B, Lenkei R, Renstrom P, Lundberg IE, Ekblom B
    J. Physiol. (Lond.), 2004-02-06;556(0):983-1000.
    Species: Human
    Sample Types: Whole Tissue
    Applications: IHC-Fr
  14. Leukemia inhibitory factor regulates prolactin secretion in prolactinoma and lactotroph cells.
    Authors: Ben-Shlomo A, Miklovsky I, Ren SG, Yong WH, Heaney AP, Culler MD, Melmed S
    J. Clin. Endocrinol. Metab., 2003-02-01;88(2):858-63.
    Species: Human
    Sample Types: Whole Tissue
    Applications: IHC-P
  15. Membrane distal cytokine binding domain of LIFR interacts with soluble CNTFR in vitro.
    Authors: He W, Gong K, Zhu G, Smith DK
    FEBS Lett., 2002-03-13;514(2):214-8.
    Species: Human
    Sample Types: Cell Lysates
    Applications: Western Blot
  16. Leukemia Inhibitory Factor (LIF) Inhibition during Mid-Gestation Impairs Trophoblast Invasion and Spiral Artery Remodelling during Pregnancy in Mice
    Authors: Amy Winship, Jeanne Correia, Jian-Guo Zhang, Nicos A. Nicola, Evdokia Dimitriadis
    PLOS ONE

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