Product Information
Product Name |
Cat# |
Size |
Recombinant Human Cardiotrophin-1 (Human CT-1) Protein |
92110ES05 |
2 μg |
92110ES10 |
10 μg |
|
92110ES50 |
50 μg |
|
92110ES60 |
100 μg |
Product Description
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 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.
Product Properties
Synonyms |
cardiophin 1; Cardiotrophin1; Cardiotrophin-1; CT1; CTF1 |
Accession |
|
GeneID |
|
Source |
E.coli-derived Human CT-1, Met 1-Ala201 |
Molecular Weight |
Approximately 21.2 kDa. |
AA Sequence |
MSRREGSLED PQTDSSVSLL PHLEAKIRQT HSLAHLLTKY AEQLLQEYVQ LQGDPFGLPS FSPPRLPVAG LSAPAPSHAG LPVHERLRLD AAALAALPPL LDAVCRRQAE LNPRAPRLLR RLEDAARQAR ALGAAVEALL AALGAANRGP RAEPPAATAS AASATGVFPA KVLGLRVCGL YREWLSRTEG DLGQLLPGGS A |
Tag |
None |
Physical Appearance |
Sterile Filtered White lyophilized (freeze-dried) powder. |
Purity |
> 95% by SDS-PAGE and HPLC analyses. |
Biological Activity |
The ED50 as determined by a cell proliferation assay using human TF-1 cells is less than 1.0 ng/ml, corresponding to a specific activity of > 1.0× 106 IU/mg. Fully biologically active when compared to standard. |
Endotoxin |
< 0.1 EU per 1μg of the protein by the LAL method. |
Formulation |
Lyophilized from a 0.2 µm filtered concentrated solution in 30 % Acetonitrile and 0.1 % TFA. |
Reconstitution |
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in 4 mM HCl 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. |
Shipping and Storage
The products are shipped with ice pack and can be stored at -20℃ to -80℃ for 1 year.
Recommend to aliquot the protein into smaller quantities when first used and avoid repeated freeze-thaw cycles.
Cautions
HB240523