CNTF

CNTF

CNTF

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  • View Data Sheet

    Description:

    Ciliary Neurotrophic Factor Receptor Rat Recombinant

    Ciliary neurotrophic factor receptor subunit alpha, CNTF receptor subunit alpha, CNTFR-alpha.

    Product # :

    CYT-959

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    Description

    CNTFR Rat Recombinant produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 328 amino acids (23-342a.a) and having a molecular mass of 36.9kDa (Molecular size on SDS-PAGE will appear at approximately 40-57kDa). CNTFR is fused to an 8 amino acid His-tag at C-terminus & purified by proprietary chromatographic techniques.

    Source

    Sf9, Baculovirus cells.

    Formulation

    CNTFR protein solution (0.5mg/ml) containing Phosphate Buffered Saline (pH 7.4) and 10% glycerol.

    Purity

    Greater than 90.0% as determined by SDS-PAGE.

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    • Introduction

      Ciliary Neurotrophic Factor Receptor, also known as CNTFR is a member of the type I cytokine receptor family. CNTFR binds to CNTF.The alpha subunit provides the receptor specificity.Sole nucleotide polymorphisms in CNTFR has been associated with variations in muscle strength, in addition to early onset of eating disorders.

    • Synonyms

      Ciliary neurotrophic factor receptor subunit alpha, CNTF receptor subunit alpha, CNTFR-alpha.

    • Physical Appearance

      Sterile Filtered colorless clear solution.

    • Stability

      Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.

    • Amino Acid Sequence

      QKHSPQEAPH VQYERLGTDV TLPCGTASWD AAVTWRVNGT DLAPDLLNGS QLILRSLELG HSGLYACFHR DSWHLRHQVL LHVGLPPREP VLSCRSNTYP KGFYCSWHLS APTYIPNTFN VTVLHGSKMM VCEKDPALKN RCHIRYMHLF STIKYKVSIS VSNALGHNTT AITFDEFTIV KPDPPENVVA RPVPSNPRRL EVTWQTPSTW PDPESFPLKF FLRYRPLILD QWQHVELSNG TAHTITDAYA GKEYIIQVAA KDNEIGTWSD WSVAAHATPW TEEPRHLTTE AQAPETTTST TSSLAPPPTT KICDPGELSS LEHHHHHH.

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Cntfr Rat
  • View Data Sheet

    Description:

    Ciliary Neurotrophic Factor Receptor Human Recombinant

    Ciliary Neurotrophic Factor Receptor, CNTF Receptor Subunit Alpha, CNTFR-Alpha, Ciliary Neurotrophic Factor Receptor Subunit Alpha, Ciliary neurotrophic factor receptor subunit alpha, CNTF receptor subunit alpha, CNTFR-alpha.

    Product # :

    CYT-883

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    Description

    CNTFR Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 341 amino acids (23-342 a.a) and having a molecular mass of 38.1kDa. CNTFR is fused to a 21 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

    Source

    Escherichia Coli.

    Formulation

    CNTFR protein solution (1mg/ml) containing 20mM Tris-HCl buffer (pH 8.0) and 10% glycerol.

    Purity

    Greater than 85.0% as determined by SDS-PAGE.

    More Info

    • Introduction

      Ciliary Neurotrophic Factor Receptor, also known as CNTFR is a member of the type I cytokine receptor family. CNTFR binds to CNTF. The alpha subunit provides the receptor specificity. Sole nucleotide polymorphisms in CNTFR has been associated with variations in muscle strength, in addition to early onset of eating disorders.

    • Synonyms

      Ciliary Neurotrophic Factor Receptor, CNTF Receptor Subunit Alpha, CNTFR-Alpha, Ciliary Neurotrophic Factor Receptor Subunit Alpha, Ciliary neurotrophic factor receptor subunit alpha, CNTF receptor subunit alpha, CNTFR-alpha.

    • Physical Appearance

      Sterile Filtered colorless clear solution.

    • Stability

      Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.

    • Amino Acid Sequence

      MGSSHHHHHH SSGLVPRGSH MQRHSPQEAP HVQYERLGSD VTLPCGTANW DAAVTWRVNG TDLAPDLLNG SQLVLHGLEL GHSGLYACFH RDSWHLRHQV LLHVGLPPRE PVLSCRSNTY PKGFYCSWHL PTPTYIPNTF NVTVLHGSKI MVCEKDPALK NRCHIRYMHL FSTIKYKVSI SVSNALGHNA TAITFDEFTI VKPDPPENVV ARPVPSNPRR LEVTWQTPST WPDPESFPLK FFLRYRPLIL DQWQHVELSD GTAHTITDAY AGKEYIIQVA AKDNEIGTWS DWSVAAHATP WTEEPRHLTT EAQAAETTTS TTSSLAPPPT TKICDPGELG S.

    • Background

      Unveiling the Potential of Human Recombinant Ciliary Neurotrophic Factor Receptor: Insights and Applications

      Abstract:

      The Ciliary Neurotrophic Factor Receptor (CNTFR) holds a crucial role in mediating the effects of ciliary neurotrophic factor (CNTF) on neuronal survival and growth. This paper discusses the significance of Human Recombinant CNTFR, its production methods, and its potential applications in neurobiology and therapeutic interventions. The review sheds light on the pivotal role of CNTFR in neuroprotection and neuroregeneration research.

      Introduction:

      CNTFR, a transmembrane protein, plays a pivotal role in transmitting CNTF-mediated signals to the cell. The availability of Human Recombinant CNTFR allows researchers to investigate its role in neuronal function and develop targeted therapies for neurodegenerative disorders. CNTFR's involvement in modulating neuronal health and promoting regeneration makes it an essential component in neurobiology.

      Role in CNTF Signaling:

      CNTFR forms a receptor complex with other proteins, including gp130 and LIFRβ, to bind CNTF and initiate downstream signaling pathways. Activation of intracellular signaling cascades, such as JAK/STAT and MAPK, contributes to the neuroprotective and growth-promoting effects of CNTF.

      Production Methods:

      Human Recombinant CNTFR is produced through gene expression in suitable host cells, often employing bacterial or mammalian systems. Ensuring proper folding and post-translational modifications is essential to maintain its functionality and binding affinity for CNTF.

      Therapeutic Applications:

      The availability of Human Recombinant CNTFR offers potential therapeutic applications in neurodegenerative diseases like amyotrophic lateral sclerosis (ALS), multiple sclerosis, and retinal degeneration. Manipulating CNTFR-mediated signaling presents opportunities to enhance neuronal survival and regeneration, ultimately improving patient outcomes.

      Challenges and Future Directions:

      While promising, challenges include optimizing the interaction between CNTFR and CNTF, ensuring efficient delivery to target tissues, and understanding potential off-target effects. Ongoing research is essential to unravel the complete mechanisms of CNTFR-mediated signaling and its implications for therapy.

      Conclusion:

      Human Recombinant Ciliary Neurotrophic Factor Receptor serves as a crucial tool in advancing our understanding of neuroprotection and regeneration. Its potential to modulate CNTF-mediated effects opens avenues for innovative therapeutic strategies targeting neurodegenerative disorders, exemplifying the intersection of molecular biology and clinical application.

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Cntfr Human
  • View Data Sheet

    Description:

    Ciliary Neurotrophic Factor Rat Recombinant, His Tag

    Ciliary neurotrophic factor, CNTF, Cntf.

    Product # :

    CYT-926

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    Description

    CNTF Rat Recombinant produced in E. coli is a single, non-glycosylated polypeptide chain containing 223 amino acids (1-200a.a) and having a molecular mass of 25.2kDa.CNTF is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

    Source

    Escherichia Coli.

    Formulation

    CNTF protein solution (0.5mg/ml) containing phosphate buffered saline (pH 7.4) and 10% glycerol.

    Purity

    Greater than 95.0% as determined by SDS-PAGE.

    More Info

    • Introduction

      CNTF is a polypeptide hormone whose actions appear to be restricted to the nervous system where it promotes neurotransmitter synthesis and neurite outgrowth in certain neuronal populations. The protein is a potent survival factor for neurons and oligodendrocytes and may be relevant in reducing tissue destruction during inflammatory attacks. A mutation in this gene, which results in aberrant splicing, leads to ciliary neurotrophic factor deficiency, but this phenotype is not causally related to neurologic disease. In addition to the predominant monocistronic transcript originating from this locus, the gene is also co-transcribed with the upstream ZFP91 gene. Co-transcription from the two loci results in a transcript that contains a complete coding region for the zinc finger protein but lacks a complete coding region for ciliary neurotrophic factor.
      CNTF is a survival factor for various neuronal cell types. Seems to prevent the degeneration of motor axons after axotomy.

    • Synonyms

      Ciliary neurotrophic factor, CNTF, Cntf.

    • Physical Appearance

      Sterile filtered colorless solution.

    • Stability

      Store at 4°C if entire vial will be used within 2-4 weeks.Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.

    • Amino Acid Sequence

      MGSSHHHHHH SSGLVPRGSH MGSMAFAEQT PLTLHRRDLC SRSIWLARKI RSDLTALMES YVKHQGLNKN INLDSVDGVP VASTDRWSEM TEAERLQENL QAYRTFQGML TKLLEDQRVH FTPTEGDFHQ AIHTLMLQVS AFAYQLEELM VLLEQKIPEN EADGMPATVG DGGLFEKKLW GLKVLQELSQ WTVRSIHDLR VISSHQMGIS ALESHYGAKD KQM.

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Cntf Rat His
  • View Data Sheet

    Name :

    CNTF Rat

    Description:

    Ciliary Neurotrophic Factor Rat Recombinant

    HCNTF, CNTF, Ciliary Neurotrophic Factor.

    Product # :

    CYT-654

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    Description

    CNTF Recombinant Rat produced in E.Coli is a single, non-glycosylated polypeptide chain containing 200 amino acids and having a molecular mass of 22834 Dalton. The CNTF is purified by proprietary chromatographic techniques.

    Source

    Escherichia Coli.

    Formulation

    Lyophilized from a concentrated (1mg/ml) solution in water containing 0.025% NaHCO3.

    Purity

    Greater than 99.0% as determined by:
    (a) Analysis by Gel Filtration.
    (b) Analysis by SDS-PAGE.

    Biological Activity

    Fully biologically active by its ability to phosphorylate STAT3 in several cells lines.

    More Info

    • Introduction

      CNTF is a polypeptide hormone whose actions appear to be restricted to the nervous system where it promotes neurotransmitter synthesis and neurite outgrowth in certain neuronal populations. The protein is a potent survival factor for neurons and oligodendrocytes and may be relevant in reducing tissue destruction during inflammatory attacks. A mutation in this gene, which results in aberrant splicing, leads to ciliary neurotrophic factor deficiency, but this phenotype is not causally related to neurologic disease. In addition to the predominant monocistronic transcript originating from this locus, the gene is also co-transcribed with the upstream ZFP91 gene. Co-transcription from the two loci results in a transcript that contains a complete coding region for the zinc finger protein but lacks a complete coding region for ciliary neurotrophic factor.
      CNTF is a survival factor for various neuronal cell types. Seems to prevent the degeneration of motor axons after axotomy.

    • Synonyms

      HCNTF, CNTF, Ciliary Neurotrophic Factor.

    • Physical Appearance

      Sterile Filtered White lyophilized (freeze-dried) powder.

    • Stability

      Lyophilized CNTF although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution CNTF should be stored at 4°C between 2-7 days and for future use below -18°C.Please prevent freeze-thaw cycles.

    • Solubility

      It is recommended to reconstitute the lyophilized CNTF in sterile water or 0.4% NaHCO3 adjusted to pH 8-9, not less than 100µg/ml, which can then be further diluted to other aqueous solutions, preferably in presence of carrier protein.

    • Amino Acid Sequence

      AFAEQTPLTL HRRDLSSRSIWLARKIRSDLTALMESYVKHQGLNKNI
      NLDSVDGVPVASTDRWSEMTEAERLQENLQAYRTFQGMLTKLLEDQRV
      HFTPTEGDFHQAIHTLMLQVSAFAYQLEELMVLLEQKIPENEADGMPA
      TVGDGGLFEKKLWGLKVLQELSQWTVRSIHDLRVISSHQMGISALESH
      YGAKDKQM.

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Cntf Rat
  • View Data Sheet

    Description:

    Ciliary-Neurotrophic Factor Mouse Recombinant

    HCNTF, CNTF, Ciliary Neurotrophic Factor.

    Product # :

    CYT-139

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    Description

    Ciliary Neurotrophic Factor Recombinant Mouse produced in E.Coli is a single, non-glycosylated polypeptide chain containing 198 amino acids and having a molecular mass of 22.6kDa. The CNTF is purified by proprietary chromatographic techniques.

    Source

    Escherichia Coli.

    Formulation

    Lyophilized from a 0.2µm filtered concentrated solution in PBS, pH 7.4.

    Purity

    Greater than 97.0% as determined by:
    (a) Analysis by RP-HPLC.
    (b) Analysis by SDS-PAGE.

    Biological Activity

    Fully biologically active when compared to standard. The ED50 as determined by the dose-dependant stimulation of TF-1 cells is less than 35ng/ml, corresponding to a Specific Activity of 3.0×104 IU/mg.

    More Info

    • Introduction

      CNTF is a polypeptide hormone whose actions appear to be restricted to the nervous system where it promotes neurotransmitter synthesis and neurite outgrowth in certain neuronal populations. The protein is a potent survival factor for neurons and oligodendrocytes and may be relevant in reducing tissue destruction during inflammatory attacks. A mutation in this gene, which results in aberrant splicing, leads to ciliary neurotrophic factor deficiency, but this phenotype is not causally related to neurologic disease. In addition to the predominant monocistronic transcript originating from this locus, the gene is also co-transcribed with the upstream ZFP91 gene. Co-transcription from the two loci results in a transcript that contains a complete coding region for the zinc finger protein but lacks a complete coding region for ciliary neurotrophic factor.
      CNTF is a survival factor for various neuronal cell types. Seems to prevent the degeneration of motor axons after axotomy.

    • Synonyms

      HCNTF, CNTF, Ciliary Neurotrophic Factor.

    • Physical Appearance

      Sterile Filtered White lyophilized (freeze-dried) powder.

    • Stability

      Lyophilized Ciliary Neurotrophic Factor although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution CNTF should be stored at 4°C between 2-7 days and for future use below -18°C.Please prevent freeze-thaw cycles.

    • Solubility

      It is recommended to reconstitute the lyophilized CNTF in sterile 18M-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.

    • Amino Acid Sequence

      MAFAEQSPLT LHRRDLCSRS IWLARKIRSD LTALMESYVK HQGLNKNISL DSVDGVPVAS TDRWSEMTEA ERLQENLQAY RTFQGMLTKL LEDQRVHFTP TEGDFHQAIH TLTLQVSAFA YQLEELMALL EQKVPEKEAD GMPVTIGDGG LFEKKLWGLK VLQELSQWTV RSIHDLRVIS SHHMGISAHE SHYGAKQM

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Cntf Mouse
  • View Data Sheet

    Description:

    Ciliary Neurotrophic Factor Human Recombinant, His Tag Active

    Ciliary neurotrophic factor, CNTF, HCNTF.

    Product # :

    CYT-909

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    Description

    CNTF Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 220 amino acids (1-200 a.a) and having a molecular mass of 25kDa. CNTF is fused to a 20 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

    Source

    Escherichia Coli.

    Formulation

    CNTF protein solution (1mg/ml) containing 20 mM Tris-HCl buffer (pH 8.5), 1 mM DTT,30% Glycerol and 0.2M NaCl.

    Purity

    Greater than 95.0% as determined by SDS-PAGE.

    Biological Activity

    Measured in a cell proliferation assay using TF-1 human erythroleukemic cell. The ED50 for this effects is less or equal to 1 ug/ml.

    More Info

    • Introduction

      CNTF is a polypeptide hormone whose actions appear to be restricted to the nervous system where it promotes neurotransmitter synthesis and neurite outgrowth in certain neuronal populations. The protein is a potent survival factor for neurons and oligodendrocytes and may be relevant in reducing tissue destruction during inflammatory attacks. A mutation in this gene, which results in aberrant splicing, leads to ciliary neurotrophic factor deficiency, but this phenotype is not causally related to neurologic disease. In addition to the predominant monocistronic transcript originating from this locus, the gene is also co-transcribed with the upstream ZFP91 gene. Co-transcription from the two loci results in a transcript that contains a complete coding region for the zinc finger protein but lacks a complete coding region for ciliary neurotrophic factor.
      CNTF is a survival factor for various neuronal cell types. Seems to prevent the degeneration of motor axons after axotomy.

    • Synonyms

      Ciliary neurotrophic factor, CNTF, HCNTF.

    • Physical Appearance

      Sterile Filtered clear solution.

    • Stability

      Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.

    • Amino Acid Sequence

      MGSSHHHHHH SSGLVPRGSH MAFTEHSPLT PHRRDLCSRS IWLARKIRSD LTALTESYVK HQGLNKNINL DSADGMPVAS TDQWSELTEA ERLQENLQAY RTFHVLLARL LEDQQVHFTP TEGDFHQAIH TLLLQVAAFA YQIEELMILL EYKIPRNEAD GMPINVGDGG LFEKKLWGLK VLQELSQWTV RSIHDLRFIS SHQTGIPARG SHYIANNKKM.

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Cntf Human His Active
  • View Data Sheet

    Description:

    Ciliary Neurotrophic Factor Human Recombinant, His Tag

    HCNTF, CNTF, Ciliary Neurotrophic Factor.

    Product # :

    CYT-573

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    Description

    Ciliary Neurotrophic Factor Recombinant Human produced in E.Coli is a single, non-glycosylated polypeptide chain (aa 1-200) containing a total of 220 amino acids and having a molecular mass of 25kDa. The CNTF protein is fused to a 20 aa His Tag at N-terminus and purified by proprietary chromatographic techniques.

    Source

    Escherichia Coli.

    Formulation

    CNTF protein solution (1mg/ml) contains 20mM Tris-HCl buffer pH-8 and 1mM DTT.

    Purity

    Greater than 95.0% as determined by SDS-PAGE.

    More Info

    • Introduction

      CNTF is a polypeptide hormone whose actions appear to be restricted to the nervous system where it promotes neurotransmitter synthesis and neurite outgrowth in certain neuronal populations. The protein is a potent survival factor for neurons and oligodendrocytes and may be relevant in reducing tissue destruction during inflammatory attacks. A mutation in this gene, which results in aberrant splicing, leads to ciliary neurotrophic factor deficiency, but this phenotype is not causally related to neurologic disease. In addition to the predominant monocistronic transcript originating from this locus, the gene is also co-transcribed with the upstream ZFP91 gene. Co-transcription from the two loci results in a transcript that contains a complete coding region for the zinc finger protein but lacks a complete coding region for ciliary neurotrophic factor.
      CNTF is a survival factor for various neuronal cell types. Seems to prevent the degeneration of motor axons after axotomy.

    • Synonyms

      HCNTF, CNTF, Ciliary Neurotrophic Factor.

    • Physical Appearance

      Sterile Filtered colorless clear solution.

    • Stability

      Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.

    • Amino Acid Sequence

      MGSSHHHHHH SSGLVPRGSH MAFTEHSPLT PHRRDLCSRS IWLARKIRSDLTALTESYVK HQGLNKNINL DSADGMPVAS TDQWSELTEA ERLQENLQAY RTFHVLLARL LEDQQVHFTP TEGDFHQAIH TLLLQVAAFA YQIEELMILL EYKIPRNEAD GMPINVGDGG LFEKKLWGLK VLQELSQWTV RSIHDLRFIS SHQTGIPARG SHYIANNKKM.

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Cntf Human His
  • View Data Sheet

    Description:

    Ciliary-Neurotrophic Factor Human Recombinant

    HCNTF, CNTF, Ciliary Neurotrophic Factor.

    Product # :

    CYT-272

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    Description

    Ciliary Neurotrophic Factor Recombinant Human produced in E.Coli is a single, non-glycosylated polypeptide chain containing 199 amino acids and having a molecular mass of 22706 Dalton. The CNTF is purified by proprietary chromatographic techniques.

    Source

    Escherichia Coli.

    Formulation

    Lyophilized from a concentrated (1mg/ml) solution in water containing 5mM sodium Phosphate buffer pH=7.5 and 5mM sodium chloride.

    Purity

    Greater than 98.0% as determined by(a) Analysis by RP-HPLC.
    (b) Analysis by SDS-PAGE.

    Biological Activity

    The ED50 as determined by the dose-dependant stimulation of TF-1 cells is < 2 ng/ml, corresponding to a Specific Activity of 500,000IU/mg.

    More Info

    • Introduction

      CNTF is a polypeptide hormone whose actions appear to be restricted to the nervous system where it promotes neurotransmitter synthesis and neurite outgrowth in certain neuronal populations. The protein is a potent survival factor for neurons and oligodendrocytes and may be relevant in reducing tissue destruction during inflammatory attacks. A mutation in this gene, which results in aberrant splicing, leads to ciliary neurotrophic factor deficiency, but this phenotype is not causally related to neurologic disease. In addition to the predominant monocistronic transcript originating from this locus, the gene is also co-transcribed with the upstream ZFP91 gene. Co-transcription from the two loci results in a transcript that contains a complete coding region for the zinc finger protein but lacks a complete coding region for ciliary neurotrophic factor.
      CNTF is a survival factor for various neuronal cell types. Seems to prevent the degeneration of motor axons after axotomy.

    • Synonyms

      HCNTF, CNTF, Ciliary Neurotrophic Factor.

    • Physical Appearance

      Sterile Filtered White lyophilized (freeze-dried) powder.

    • Stability

      Lyophilized Ciliary Neurotrophic Factor although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution CNTF should be stored at 4°C between 2-7 days and for future use below -18°C.Please prevent freeze-thaw cycles.

    • Solubility

      It is recommended to reconstitute the lyophilized HCNTF in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.

    • Amino Acid Sequence

      The sequence of the first five N-terminal amino acids was determined and was found to be Met-Ala-Phe-Thr-Glu.

    • Background

      Exploring the Potential of Human Recombinant Ciliary-Neurotrophic Factor: Implications and Applications

      Abstract:

      Ciliary-Neurotrophic Factor (CNTF) holds remarkable promise in neurobiology and therapeutic development due to its neuroprotective and regenerative properties. This paper delves into the significance of Human Recombinant CNTF, its production methodologies, and its potential applications in treating neurodegenerative disorders. The review sheds light on the therapeutic potential of CNTF and its role in advancing neuroregeneration research.

      Introduction:

      CNTF, a neurotrophic cytokine, is known for its pivotal role in neuronal survival and growth. The availability of Human Recombinant CNTF allows researchers to investigate its therapeutic potential and explore avenues for developing novel treatments for neurodegenerative diseases. CNTF's ability to support neuronal health and promote regeneration makes it a promising candidate for medical interventions.

      Mechanisms of Action:

      CNTF interacts with specific receptor complexes, activating various downstream signaling pathways, including Janus kinase (JAK) and Signal Transducer and Activator of Transcription (STAT) pathways. These pathways contribute to cell survival, differentiation, and axonal growth, forming the foundation for CNTF's neuroprotective effects.

      Production Methods:

      Human Recombinant CNTF is produced by introducing the CNTF gene into suitable expression systems, often employing bacterial or mammalian cells. Ensuring proper post-translational modifications is essential for maintaining the protein's biological activity and therapeutic potential.

      Therapeutic Applications:

      CNTF's neuroprotective and regenerative effects offer potential therapeutic applications in neurodegenerative disorders, such as amyotrophic lateral sclerosis (ALS), retinal degeneration, and Parkinson's disease. It holds promise for preserving and restoring neuronal function, thereby improving the quality of life for affected individuals.

      Challenges and Future Directions:

      While Human Recombinant CNTF shows great potential, challenges include precise dosing, delivery methods, and potential side effects. Further research is needed to optimize CNTF-based therapies and assess their long-term safety and efficacy in clinical settings.

      Conclusion:

      Human Recombinant Ciliary-Neurotrophic Factor emerges as a critical tool in advancing our understanding of neuroprotection and neuroregeneration. Its potential in treating neurodegenerative disorders highlights the ongoing quest for innovative therapeutic approaches that harness the body's inherent ability to heal and regenerate.

    • Protein content

      CNTF quantitation was carried out by two independent methods1. UV spectroscopy at 280 nm using the absorbency value of 1.28 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics). 2. Analysis by RP-HPLC, using a standard solution of CNTF Recombinant as a Reference Standard.

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Cntf Human
  • View Data Sheet

    Description:

    Ciliary Neurotrophic Factor Receptor Human Recombinant, Sf9

    Ciliary Neurotrophic Factor Receptor, CNTF Receptor Subunit Alpha, CNTFR-Alpha, Ciliary Neurotrophic Factor Receptor Subunit Alpha.

    Product # :

    CYT-1087

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    Description

    CTNFR produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 329 amino acids (23-342a.a.) and having a molecular mass of 36.9kDa. (Molecular size on SDS-PAGE will appear at approximately 40-57kDa).CTNFR is expressed with a 9 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.

    Source

    Sf9, Baculovirus cells.

    Formulation

    CTNFR protein solution (1mg/ml) contains 10% glycerol & Phosphate Buffered Saline (pH 7.4).

    Purity

    Greater than 95.0% as determined by SDS-PAGE.

    More Info

    • Introduction

      Ciliary Neurotrophic Factor Receptor (CNTFR) is a member of the type I cytokine receptor family and binds to CNTF. The alpha subunit provides the receptor specificity. Sole nucleotide polymorphisms in CNTFR has been associated with variations in muscle strength, in addition to early onset of eating disorders.

    • Synonyms

      Ciliary Neurotrophic Factor Receptor, CNTF Receptor Subunit Alpha, CNTFR-Alpha, Ciliary Neurotrophic Factor Receptor Subunit Alpha.

    • Physical Appearance

      Sterile Filtered colorless clear solution.

    • Stability

      Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.

    • Amino Acid Sequence

      ADPQRHSPQE APHVQYERLG SDVTLPCGTA NWDAAVTWRV NGTDLAPDLL NGSQLVLHGL ELGHSGLYAC FHRDSWHLRH QVLLHVGLPPREPVLSCRSN TYPKGFYCSW HLPTPTYIPN TFNVTVLHGS KIMVCEKDPA LKNRCHIRYM HLFSTIKYKV SISVSNALGH NATAITFDEF TIVKPDPPEN VVARPVPSNP RRLEVTWQTP STWPDPESFP LKFFLRYRPL ILDQWQHVEL SDGTAHTITD AYAGKEYIIQ VAAKDNEIGTWSDWSVAAHA TPWTEEPRHL TTEAQAAETT TSTTSSLAPP PTTKICDPGE LGSHHHHHH.

    ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

    Cntf Receptor

About CNTF:

CNTF or Ciliary Neurotrophic factor is found in humans and is encoded by the CNTF gene.

CNTF Mechanism
The actions of the gene have largely been explored through the activity in the nervous system. It is here that it does promote neurotransmitter synthesis as well as neurite outgrowth. This is apparent in particular neural populations including astrocytes. As well as this, it is considered to be a hypothalamic neuropeptide crucial to the survival of oligodendrocytes and neurons.
Due to this, it is believed that it could be crucial in reducing tissue destruction that is present during inflammatory attacks. When the gene is mutated, it also causes neurotrophic factor deficiency.

CNTF Interactions
The Human ciliary neurotrophic factor has been shown, through research to interact with the Interleukin 6 receptor.

CNTF Function
Various studies have found that CNTF could have therapeutic benefits. For instance, in 2001, a study explored the use of CNTF to treat motor neuron disease. The study found that CNTF actually caused high levels of weight loss in subjects. This discovery suggested that CNTF could reduce food intake, while not having the side effects of hunger or stress. As such, it was proposed as a potential treatment option for those who were leptin-resistant. This is due to the fact that it has been suggested that CNTF operates in a similar way to leptin.
There is also a recombinant version of CNTF humans known as Axokine. This is a modified version with a significantly different structure. The altered version is far more potent in vivo and vitro assays. It is believed that both CNTF and Axokine will stimulate nerve cells for survival.
In 1990, it was used to test for the treatment of amyotrophic lateral sclerosis. The research concluded that muscle control was not significantly improved. However, the participants did experience a reduction in appetite.
As such, the drug was put forward as a potential option for the treatment of obesity. That said, this was never commercialised due to the fact that 70% of the subjects experienced a delayed impact and only produced antibodies after three months. It was also suggested that individuals producing antibodies against CNTF would ultimately develop severe side effects.
Another product being developed is NT-501. This is made from human cells that have been modified to secrete CNTF. Studies have found that this product helps reduce photoreceptor degradation, typically found in patients suffering from retinitis pigmentosa.

CNTF Structure
The crystal structure of the human CNTF was determined in research at 2.4 A resolution. This was completed using multi-wavelength anomalous diffraction which was phased from a single Yb3 + ions. Through the structure, we know that CNTF is dimeric. It has a novel anti-parallel arrangement of subunits. This has not typically been found for other cytokines.
The subunit has a double crossover four-helix bundle fold. Here two helices are found to contribute towards the dimer interface. At the same time, two different helices show more pronounced kinks. According to further analysis, the electrostatic surface of CNTF through the kinked helices could contact the CNTF receptor-alpha.