Recombinant Mouse Cardiotrophin-1/CT-1 Protein

Carrier Free

Catalog # Availability Size / Price Qty
438-CT-010/CF
438-CT-050/CF

With Carrier

Catalog # Availability Size / Price Qty
438-CT-010
438-CT-050
R&D Systems Recombinant Proteins and Enzymes
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Product Details
Citations (7)
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Recombinant Mouse Cardiotrophin-1/CT-1 Protein Summary

Product Specifications

Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Level
<0.01 EU per 1 μg of the protein by the LAL method.
Activity
Measured in a cell proliferation assay using TF‑1 human erythroleukemic cells. Kitamura, T. et al. (1989) J. Cell Physiol. 140:323. The ED50 for this effect is 0.2-0.6 ng/mL.
Source
E. coli-derived mouse Cardiotrophin-1/CT-1 protein
Ser2-Ala203
Accession #
N-terminal Sequence
Analysis
Ser2
Predicted Molecular Mass
21 kDa

Product Datasheets

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438-CT (with carrier)

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438-CT/CF (carrier free)

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

438-CT

Formulation Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA with BSA as a carrier protein.
Reconstitution Reconstitute at 100 μg/mL in sterile 4 mM HCl containing at least 0.1% human or bovine serum albumin.
Shipping The product is shipped at ambient temperature. Upon receipt, store it 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.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.

438-CT/CF

Formulation Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA.
Reconstitution Reconstitute at 100 μg/mL in sterile 4 mM HCl.
Shipping The product is shipped at ambient temperature. Upon receipt, store it 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.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
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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Background: Cardiotrophin-1/CT-1

Cardiotrophin-1 (CT-1) is a member of the cytokine family which also includes IL-6, IL-11, leukemia inhibitory factor (LIF), oncostatin M (OSM), and ciliary neurotrophic factor (CNTF). It was originally isolated based on its ability to induce cardiac myocyte hypertrophy in vitro. CT-1 has since been shown to be a pleiotrophic cytokine with overlapping actions with other IL-6 family members on a variety of cell types. Mouse CT-1 encodes a 203 amino acid (aa) residue protein that lacks a hydrophobic signal peptide. The mechanism of CT-1 release from cells is currently not understood. Human and mouse CT-1 share 80% aa sequence identity and exhibit cross‑species activity. CT-1 is highly expressed in heart, skeletal muscle, liver, lung and kidney. Lower levels of CT-1 expression is also seen in testis and brain. CT-1 initiates downstream signaling pathways through the heterodimerization of gp130 and the LIF receptor beta subunit. A third alpha receptor subunit has also been implicated in the receptor complex.

References
  1. Pennica, D. et al. (1996) Cytokine and Growth Factor Reviews 7:81.
  2. Robledo, O. et al. (1997) J. Biol. Chem. 272:4855.
Entrez Gene IDs
1489 (Human); 13019 (Mouse)
Alternate Names
cardiophin 1; cardiotrophin 1; Cardiotrophin1; Cardiotrophin-1; CT-1CT1; CTF1

Citations for Recombinant Mouse Cardiotrophin-1/CT-1 Protein

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.

7 Citations: Showing 1 - 7
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  1. Induction of Stem-Cell-Derived Cardiomyogenesis by Fibroblast Growth Factor 10 (FGF10) and Its Interplay with Cardiotrophin-1 (CT-1)
    Authors: F Khosravi, N Ahmadvand, M Wartenberg, H Sauer
    Biology, 2022-03-30;11(4):.
    Species: Mouse
    Sample Types: Spheroid
    Applications: Bioassay
  2. Maintenance of the Undifferentiated State in Myogenic Progenitor Cells by TGFbeta Signaling is Smad Independent and Requires MEK Activation
    Authors: T Miyake, A Aziz, JC McDermott
    Int J Mol Sci, 2020-02-05;21(3):.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay
  3. Novel combinatorial screening identifies neurotrophic factors for selective classes of motor neurons
    Authors: S Schaller, D Buttigieg, A Alory, A Jacquier, M Barad, M Merchant, D Gentien, P de la Gran, G Haase
    Proc. Natl. Acad. Sci. U.S.A, 2017-03-07;114(12):E2486-E2493.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay
  4. Nuclear function of Smad7 promotes myogenesis.
    Authors: Miyake T, Alli NS, McDermott JC
    Mol. Cell. Biol., 2009-12-07;30(3):722-35.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay
  5. Cardiotrophin-1 is an osteoclast-derived stimulus of bone formation required for normal bone remodeling.
    Authors: Walker EC, McGregor NE, Poulton IJ, Pompolo S, Allan EH, Quinn JM, Gillespie MT, Martin TJ, Sims NA
    J. Bone Miner. Res., 2008-12-01;23(12):2025-32.
    Species: Mouse
    Sample Types: In Vivo, Whole Cells
    Applications: Bioassay, In Vivo
  6. Cardiotrophin-1 in choroid plexus and the cerebrospinal fluid circulatory system.
    Authors: Gard AL, Gavin E, Solodushko V, Pennica D
    Neuroscience, 2004-01-01;127(1):43-52.
    Applications: Western Blot
  7. In vivo electrotransfer of the cardiotrophin-1 gene into skeletal muscle slows down progression of motor neuron degeneration in pmn mice.
    Authors: Lesbordes JC, Bordet T, Haase G, Castelnau-Ptakhine L, Rouhani S, Gilgenkrantz H, Kahn A
    Hum. Mol. Genet., 2002-07-01;11(14):1615-25.
    Applications: ELISA (Standard)

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