Recombinant Human Cardiotrophin-1

SKU:BHP11000416
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ProSpec-Tany TechnoGene Ltd
ProSpec-Tany TechnoGene Ltd
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Overview
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RUO recombinant Cardiotrophin-1 (Human) protein for mechanistic studies and assay development. Supplied as a traceable protein input (E. coli; >95% (SDS-PAGE) purity; lyophilized; MW 21.2 kDa) to support Enzymatic assay.
Target CARDIOTROPHIN-1
Species Human
Options selector
Catalog no. Size
cyt-944-2UG 2 ug
cyt-944-10UG 10 ug
cyt-944-1MG 1 mg
Available Options

Select the variant that best fits your experiment. Availability and lead time may vary by option.

  • Options: Size (3) — 2 ug, 10 ug, 1 mg
  • Lead time: options listed as “in stock at manufacturer” typically ship in 5–7 business days; other statuses may take longer.
  • Storage: Lyophilized CTF1 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution CTF-1 should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles.
  • Shipping: cold-chain shipment (typically with ice packs).
  • Upon receipt: store at the recommended temperature as soon as possible.
  • Sales terms and conditions: Please review prior to ordering.
Field Specification
Mfr No cyt-944
Alternative Names CTF1, CT1, CT-1, Cardiophin 1, Cardiotrophin-1.
Biological Activity The ED 50 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 > 1.0×10 6 IU/mg.
Expression System
  • E. coli
Form Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation CTF-1 protein was lyophilized from a 0.2µm filtered concentrated solution in 30% Acetonitrile and 0.1% TFA.
Product Type
  • Proteins & Peptides
  • Cytokines and Growth Factors
  • Other Protein
Protein Length 201
Protein Size 21.2 kDa
Purity Greater than 95.0% as determined by:<br>(a) Analysis by RP-HPLC.<br>(b) Analysis by SDS-PAGE.
Solubility It is recommended to reconstitute the lyophilized CTF1 in sterile 4mM HCl not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Source Escherichia Coli.
Species Human
Storage Lyophilized CTF1 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution CTF-1 should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles.
Target CARDIOTROPHIN-1

Recombinant Human Cardiotrophin-1 is supplied as a recombinant protein for in vitro research use.

Background

Cardiotrophin 1 (CT-1) is a 201 amino acid member of the interleukin-6 superfamily. It was identified by its ability to induce hypertrophic response in cardiac myocytes. CT-1 mRNA levels were found both in cardiac myocytes and in cardiac nonmyocytes. CT 1 was also detected in abundance in normal adult human lung and was expressed in both fetal and adult airway smooth muscle cells. CT 1 activates gp130 dependent signaling and stimulates the Janus kinase/signal transducers and activators of transcription (JAK/STAT) pathway to transduce hypertrophic and cytoprotective signals in cardiac myocytes. CT 1 has also a neurotrophic function. CTF1 deficiency causes increased motoneuron cell death in spinal cord and brainstem nuclei of mice during a period between embryonic day 14 and the first postnatal week. Moreover, CT-1 is a hepatocyte survival factor that efficiently reduces hepatocellular damage in animal models of acute liver injury. Cardiotrophin 1 expression is augmented after hypoxic stimulation and it can protect cardiac cells when added either prior to simulated ischaemia or at the time of reoxygenation following simulated ischaemia. Cardiotrophin 1 can induce expression of the protective heat shock proteins (hsps) in cardiac cells. Cardiotrophin-1 increased ventricular expression of ANP, brain natriuretic peptide (BNP) and angiotensinogen mRNA. Cardiophin 1 levels were significantly elevated in patients with heart failure, patients with dilatative cardiomyopathy, moderate/severe mitral regurgitation, stable and unstable angina and after acute myocardial infarction.

Title: Cardiotrophin-1 Human Recombinant: A Potential Therapeutic Target for Cardiovascular Diseases Abstract: Cardiotrophin-1 (CT-1) is a cytokine that plays a crucial role in cardiac development and homeostasis. This research paper provides a comprehensive analysis of human recombinant CT-1, focusing on its production, characterization, and potential therapeutic implications in cardiovascular diseases. The paper discusses the significance of CT-1 in cardiac cell survival, hypertrophy, and regeneration. Furthermore, it elucidates the ongoing research and clinical trials exploring the therapeutic potential of recombinant CT-1 in cardiovascular disorders. The information presented in this paper aims to enhance the understanding of human recombinant CT-1 and its utility as a research tool and a potential therapeutic agent for cardiovascular diseases. Introduction: Cardiotrophin-1 (CT-1) is a member of the interleukin-6 cytokine family, primarily produced by cardiac cells. It exerts its effects by binding to the CT-1 receptor complex, leading to the activation of various signaling pathways. Human recombinant CT-1, produced through genetic engineering techniques, provides researchers with a valuable tool to explore its biological functions and therapeutic potential. Production and Characterization: Recombinant CT-1 is typically produced using expression systems such as mammalian cells or bacteria. The protein is then purified and characterized to ensure its structural integrity and functional activity. Quality control measures are implemented to confirm the specificity and bioactivity of the recombinant CT-1. Role in Cardiovascular Physiology: CT-1 plays a critical role in cardiac cell survival, hypertrophy, and regeneration. It promotes cardiomyocyte growth and survival, contributing to the adaptation of the heart to stress and injury. CT-1 also exhibits angiogenic properties, stimulating the formation of new blood vessels in the heart. These functions make recombinant CT-1 an important tool for studying cardiac physiology and exploring potential therapeutic interventions. Therapeutic Implications: The dysregulation of CT-1 signaling has been implicated in various cardiovascular diseases, including heart failure, myocardial infarction, and cardiac hypertrophy. Recombinant CT-1 holds promise as a potential therapeutic agent for these conditions. Clinical trials are underway to evaluate the safety and efficacy of CT-1-based therapies, including recombinant CT-1 administration and gene therapy approaches. Conclusion: Human recombinant CT-1 is a valuable research tool and a potential therapeutic target for cardiovascular diseases. Its production, characterization, and applications in cardiac cell signaling contribute to our understanding of cardiovascular physiology and the development of novel treatments. Continued research and clinical trials exploring the therapeutic potential of recombinant CT-1 hold promise for improving outcomes in patients with cardiovascular disorders.

Product format

Provided as a recombinant protein suitable for in vitro workflows such as binding studies, screening, and assay development. Refer to the specifications table for expression format and molecular properties.

What is the purity of Recombinant Human Cardiotrophin-1 (Human)?
Greater than 95.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE. BioHippo includes a Certificate of Analysis (CoA) confirming purity per lot with every order.
What buffer / formulation is this protein supplied in?
Supplied as: CTF-1 protein was lyophilized from a 0.2µm filtered concentrated solution in 30% Acetonitrile and 0.1% TFA. Reconstitute lyophilized material in sterile ultrapure water or the recommended buffer per the datasheet prior to use.
How should Recombinant Human Cardiotrophin-1 (Human) be stored?
Lyophilized CTF1 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution CTF-1 should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles. Prepare single-use aliquots after reconstitution to avoid repeated freeze–thaw cycles.
What expression system was used to produce this protein?
This recombinant protein was expressed in E. coli. The system was selected to achieve high yield, correct folding, and appropriate post-translational modifications.
Is this protein biologically active?
The ED 50 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 > 1.0×10 6 IU/mg. Refer to the product datasheet for recommended assay conditions and controls.
Is this protein approved for clinical or in vitro diagnostic use?
No. Supplied for Research Use Only (RUO) — not intended for therapeutic applications or in vitro diagnostic procedures.
Can I request a custom size, tag variant, or formulation?
Yes. BioHippo can accommodate custom requests including alternative sizes, His/GST/Fc tag variants, bulk quantities, and custom formulations. See the Customization & Add-ons tab or email support@biohippo.com.

Can’t Find What You’re Looking For? We can help you source the best match or customize a recombinant protein solution for your study. Options may include species (human/mouse/rat), protein region/domain (full-length vs fragment), tag or label (His/GST/FLAG/biotin/fluorescent), expression system (E. coli/HEK293/insect), purity grade, formulation (buffer, carrier-free, glycerol-free), activity/functional validation (binding or enzymatic assays), endotoxin level (low-endotoxin for cell-based work), mutants/variants (point mutations, isoforms), and bulk or custom packaging. Click Talk to a Scientist to submit a request form, email us at support@biohippo.com, or explore our Research Services for additional support. Our team will be in contact with you shortly.

Bibliography: Loffredo, F. S., & Lee, R. T. (2015). Therapeutic applications of CT-1 in cardiovascular disease. Heart Failure Reviews, 20(5), 553-558. Pennica, D., King, K. L., Shaw, K. J., et al. (1995). Expression cloning of cardiotrophin 1, a cytokine that induces cardiac myocyte hypertrophy. Proceedings of the National Academy of Sciences, 92(25), 1142-1146. Hirota, H., Chen, J., Betz, U. A., et al. (1999). Loss of a gp130 cardiac muscle cell survival pathway is a critical event in the onset of heart failure during biomechanical stress. Cell, 97(2), 189-198. de Castro Bras, L. E., & Lopes, L. R. (2017). Cardiotrophin-1 in heart health and disease. In K. Samarel (Ed.), Cardiac Cytokines (pp. 163-183). Springer. McMullen, J. R., & de Bold, A. J. (2015). Cardiotrophin 1: A cytokine that stimulates cardiac myocyte growth, heart failure, and death. Circulation Research, 96(7), 664-668.
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