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. Human CT-1 encodes a 201 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 been implicated in the receptor complex.
Human Cardiotrophin‑1/CT‑1 Antibody
R&D Systems | Catalog # MAB260
Key Product Details
Species Reactivity
Validated:
Human
Cited:
Human
Applications
Validated:
Western Blot
Cited:
Neutralization
Label
Unconjugated
Antibody Source
Monoclonal Mouse IgG2A Clone # 89228
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Product Specifications
Immunogen
E. coli-derived recombinant human Cardiotrophin‑1/CT‑1
Ser2-Ala201
Accession # Q16619
Ser2-Ala201
Accession # Q16619
Specificity
Detects human Cardiotrophin‑1/CT‑1 in direct ELISAs and Western blots. In direct ELISAs, no cross-reactivity with recombinant mouse Cardiotrophin-1/CT-1 is observed.
Clonality
Monoclonal
Host
Mouse
Isotype
IgG2A
Applications for Human Cardiotrophin‑1/CT‑1 Antibody
Application
Recommended Usage
Western Blot
1 µg/mL
Sample: Recombinant Human Cardiotrophin‑1/CT‑1 (Catalog # 612-CD)
Sample: Recombinant Human Cardiotrophin‑1/CT‑1 (Catalog # 612-CD)
Reviewed Applications
Read 1 review rated 5 using MAB260 in the following applications:
Formulation, Preparation, and Storage
Purification
Protein A or G purified from ascites
Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.
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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.
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.
Calculators
Background: Cardiotrophin-1/CT-1
References
- Pennica, D. et al. (1996) Cytokine and Growth Factor Reviews 7:81.
- Robledo, O. et al. (1997) J. Biol. Chem. 272:4855.
Alternate Names
Cardiotrophin1, CTF1
Gene Symbol
CTF1
UniProt
Additional Cardiotrophin-1/CT-1 Products
Product Documents for Human Cardiotrophin‑1/CT‑1 Antibody
Certificate of Analysis
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Note: Certificate of Analysis not available for kit components.
Product Specific Notices for Human Cardiotrophin‑1/CT‑1 Antibody
For research use only
Related Research Areas
Citations for Human Cardiotrophin‑1/CT‑1 Antibody
Customer Reviews for Human Cardiotrophin‑1/CT‑1 Antibody (1)
5 out of 5
1 Customer Rating
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Application: Western BlotSample Tested: Whole CellsSpecies: HumanVerified Customer | Posted 11/18/2021
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
- Cellular Response to Hypoxia Protocols
- R&D Systems Quality Control Western Blot Protocol
- Troubleshooting Guide: Western Blot Figures
- Western Blot Conditions
- Western Blot Protocol
- Western Blot Protocol for Cell Lysates
- Western Blot Troubleshooting
- Western Blot Troubleshooting Guide
- View all Protocols, Troubleshooting, Illustrated assays and Webinars
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