Recombinant Human Cardiotrophin-1(CTF1)

Code CSB-YP621965HU
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Source Yeast
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Code CSB-EP621965HU
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Source E.coli
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Code CSB-EP621965HU-B
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP621965HU
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Source Baculovirus
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Code CSB-MP621965HU
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Source Mammalian cell
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Product Details

Purity >85% (SDS-PAGE)
Target Names CTF1
Uniprot No. Q16619
Alternative Names Cardiophin 1; Cardiophin1; Cardiotrophin I; Cardiotrophin-1; Cardiotrophin1; CardiotrophinI; CT 1; CT-1; CT1; CTF 1; Ctf1; CTF1_HUMAN
Species Homo sapiens (Human)
Expression Region 1-201
Protein Length full length protein
Tag Info The following tags are available.
N-terminal His-tagged
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form Lyophilized powder
Buffer before Lyophilization Tris/PBS-based buffer, 6% Trehalose, pH 8.0
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
and FAQs
Protein FAQs
Storage Condition Store at -20°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet Please contact us to get it.

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Target Data

Function Induces cardiac myocyte hypertrophy in vitro. Binds to and activates the ILST/gp130 receptor.
Gene References into Functions
  1. Data suggest that, in children with pediatric obesity, lifestyle weight-loss intervention results in down-regulation of serum cardiotrophin-1 (CTF1), interleukin-6 (IL6), and tumor necrosis factor-alpha (TNFA); expression of CTF1, IL6, and TNFA is also down-regulated in peripheral blood mononuclear cells after improvement in adiposity, body mass index, and waist-hip ratio. PMID: 28749076
  2. Cardiotrophin-1 levels were not an independent predictor of all-cause mortality in hemodialysis patients. PMID: 26787685
  3. We identify the cytokine cardiotrophin 1 (CT1) as a factor capable of recapitulating the key features of physiologic growth of the heart including transient and reversible hypertrophy of the myocardium, and stimulation of cardiomyocyte-derived angiogenic signals leading to increased vascularity PMID: 28785017
  4. a transcriptional factor, Myc-associated zinc finger protein (MAZ), plays an important role in ADAM10 transcription in response to CT-1 in neural stem/progenitor cells. PMID: 26867947
  5. CT-1 was found to be associated with Tn-I, which is used to detect myocardial damage after OPCAB surgery. CT-1 may also be used to detect myocardial damage. PMID: 26334851
  6. non-diabetic subjects who were overweight or obesity had significantly lower cardiotrophin-1 concentrations than those with normal weight, and both obesity and being overweight were inversely associated with cardiotrophin-1 levels. PMID: 26621340
  7. This paper will review many aspects of CT-1 physiological role in several organs and discuss data for consideration in therapeutic approaches. PMID: 26188636
  8. biliary epithelium-derived CT-1 may exert a profibrogenic potential in PCLD. PMID: 25919795
  9. Data show that cardiotrophin-1 is positively related to brachial-ankle pulse-wave velocity (baPWV) independent of traditional cardiometabolic risk factors for arterial stiffness. PMID: 25689900
  10. this study, even though preliminary and awaiting further confirmation by independent replication, provides first evidence that common genetic variation in CTF1 could contribute to insulin sensitivity in humans. PMID: 25025664
  11. Study correlates CT-1 levels with ambulatory and central BP, as well as with pulse wave velocity in patients with essential hypertension. PMID: 24401751
  12. CT-1 is differentially induced in the myocardium of infants with congenital cardiac defects depending on hypoxemia, and may mediate myocardial hypertrophy and dysfunction. PMID: 24344663
  13. Subjects with impaired glucose tolerance (IGT) and newly diagnosed diabetes (NDD) have significantly higher CT-1 concentrations than those with normal glucose tolerance. IGT and NDD are positively associated with CT-1 concentrations. PMID: 24054317
  14. exaggerated cardiomyocyte production of cardiotrophin-1 in response to increased left ventricular end-diastolic stress may contribute to fibrosis through stimulation of fibroblasts in heart failure of hypertensive origin. PMID: 24366078
  15. A reduction in serum CT-1 levels after a WL program. PMID: 23856329
  16. CT-1 induces the proteolytic potential in human aortic endothelial cells by upregulating MMP-1 expression. PMID: 23935888
  17. Cardiotrophin-1 may serve as both a biomarker of left ventricular hypertrophy and dysfunction in hypertensive patients, and is potential target for therapies aimed to prevent and treat hypertensive heart disease beyond blood pressure control. PMID: 22418690
  18. Hypoxia increased cardiotrophin-1 levels in cardiac cells through a direct regulation of CT-1 promoter by HIF-1alpha, protecting cells from apoptosis. PMID: 21771897
  19. CT-1 treatment of myofibroblasts was associated with increased phosphorylation of myosin light chain kinase via myosin light chain kinase to induce cell migration. PMID: 21572008
  20. the 1742(C/G) polymorphism of the human CT-1 gene is associated with LVH in hypertension, and the GG genotype may have a protective role PMID: 20683337
  21. This study aims to analyse cardiotrophin-1 (CT-1) and Tumor Necrosis Factor-alpha (TNF-alpha) plasma levels at rest and during exercise in elite athletes and healthy controls. PMID: 20053569
  22. Data show that both protein synthesis and intracellular transport are essential for cardiotrophin-1 induced TNFalpha expression. PMID: 20224758
  23. upregulation of cardiotrophin-1 in congestive heart failure PMID: 12234945
  24. Leukemia inhibitory factor (LIF), cardiotrophin-1, and oncostatin M share structural binding determinants in the immunoglobulin-like domain of LIF receptor PMID: 12707269
  25. Our study clearly demonstrates production of CT-1 in the postnatal and adult CNS, specifically by cell types comprising the blood-CSF barrier, and its accumulation in ventricular ependyma. PMID: 15219667
  26. Data show that cardiotrophin (CT-1) is a potent regulator of signaling in adipocytes in vitro and in vivo. PMID: 15339920
  27. CT-1 and TGF-beta 1 exert differential effects on myofibroblast proliferation and contraction in vitro. A balance of these effects may be important for normal cardiac wound healing. PMID: 17483238
  28. adipose tissue can be recognized as a source of CT-1, which could account for the high circulating levels of CT-1 in patients with metabolic syndrome X PMID: 17940213
  29. Increased expression of some IL-6 cytokine family members (oncostatin M, gp130, CT-1, LIF) in cutaneous inflammation might contribute to the promotion of hair loss. PMID: 17979974
  30. Perioperative plasma brain natriuretic peptide and cardiotrophin-1 measured in off-pump coronary artery bypass. PMID: 18609050
  31. Plasma cardiotrophin-1 is associated with progression of heart failure in hypertensive patients. PMID: 19155793
  32. Results indicate that transcription factors such as CTF1 can act to delimit chromatin domain boundaries at mammalian telomeres, thereby blocking the propagation of a silent chromatin structure. PMID: 19273604

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Subcellular Location Secreted
Protein Families IL-6 superfamily
Tissue Specificity Highly expressed in heart, skeletal muscle, prostate and ovary. Lower levels in lung, kidney, pancreas, thymus, testis and small intestine. Little or no expression in brain, placenta, liver, spleen, colon or peripheral blood leukocytes.
Database Links

HGNC: 2499

OMIM: 600435

KEGG: hsa:1489

STRING: 9606.ENSP00000279804

UniGene: Hs.483811


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