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Recombinant Rat CNTF Protein

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Summary
Reactivity RtSpecies Glossary
Applications Bioactivity

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Recombinant Rat CNTF Protein Summary

Details of Functionality
Measured in a cell proliferation assay using TF‑1 human erythroleukemic cells. Kitamura, T. et al. (1989) J. Cell Physiol. 140:323. The ED50 for this effect is 3‑15 ng/mL. Measured by its ability to support the survival and stimulate neurite outgrowth of dissociated chick embryonic dorsal root ganglia (DRG) neurons. Davies, A.M. (1989) in Neurotrophic Factor Bioassay Using Dissociated Neurons, Nerve Growth Factor. Rush, R.A. (eds): John Willey and Sons, Ltd. 95. The ED50 for this effect is 0.1-0.3 ng/mL.
Source
E. coli-derived rat CNTF protein
Ala2-Met200
Accession #
N-terminal Sequence
Ala2
Protein/Peptide Type
Recombinant Proteins
Gene
Cntf
Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Dilutions
  • Bioactivity
  • Bioactivity2
Theoretical MW
22.8 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
Publications
Read Publications using
557-NT in the following applications:

Packaging, Storage & Formulations

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.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in Tris, NaCl, TCEP, EDTA, CHAPS and Trehalose with BSA as a carrier protein.
Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain
Reconstitution Instructions
Reconstitute at 100 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Recombinant Rat CNTF Protein

  • ciliary neurotrophic factor
  • CNTF
  • HCNTF

Background

Ciliary neurotrophic factor (CNTF) is a polypeptide initially purified from chick embryo ocular tissue and identified as a trophic factor for embryonic chick ciliary parasympathetic neurons in culture. Subsequent studies have demonstrated that CNTF is a survival factor for additional neuronal cell types including: dorsal root ganglion sensory neurons, sympathetic ganglion neurons, embryonic motor neurons, major pelvic ganglion neurons and hippocampal neurons. CNTF has also been shown to prevent the degeneration of motor axons after axotomy.

The cDNA for CNTF encodes a 200 amino acid residue polypeptide that lacks a signal sequence. CNTF is highly conserved across species and exhibits cross-species activities. Human and rat CNTF share approximately 83% homology in their protein sequence. CNTF is structurally related to IL‑6, IL-11, LIF, and OSM. All of these four helix bundle cytokines share gp130 as a signal-transducing subunit in their receptor complexes. For a list of CNTF references, see the R&D Systems’ cytokine catalog.

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Publications for CNTF (557-NT)(36)

We have publications tested in 6 confirmed species: Human, Mouse, Rat, Avian, Chicken, Zebrafish.

We have publications tested in 3 applications: Bioassay, Cell Culture, In Vivo.


Filter By Application
Bioassay
(25)
Cell Culture
(2)
In Vivo
(9)
All Applications
Filter By Species
Human
(2)
Mouse
(18)
Rat
(12)
Avian
(1)
Chicken
(2)
Zebrafish
(1)
All Species
Showing Publications 1 - 10 of 36. Show All 36 Publications.
Publications using 557-NT Applications Species
EF Cohn, BLL Clayton, M Madhavan, S Yacoub, Y Federov, K Paul-Fried, TJ Shafer, PJ Tesar Pervasive environmental chemicals impair oligodendrocyte development bioRxiv : the preprint server for biology, 2023-02-12;0(0):. 2023-02-12 [PMID: 36798415] (Bioassay, Mouse) Bioassay Mouse
Y Tang, DJ Kwiatkowsk, EP Henske Midkine expression by stem-like tumor cells drives persistence to mTOR inhibition and an immune-suppressive microenvironment Nature Communications, 2022-08-26;13(1):5018. 2022-08-26 [PMID: 36028490] (Bioassay, Mouse) Bioassay Mouse
S Martin, KC Allan, O Pinkard, T Sweet, PJ Tesar, J Coller Oligodendrocyte differentiation alters tRNA modifications and codon optimality-mediated mRNA decay Nature Communications, 2022-08-25;13(1):5003. 2022-08-25 [PMID: 36008413] (Bioassay, Mouse) Bioassay Mouse
G D'Este, M Stazi, S Negro, A Megighian, F Lista, O Rossetto, C Montecucco, M Rigoni, M Pirazzini Latrotoxin-Induced Neuromuscular Junction Degeneration Reveals Urocortin 2 as a Critical Contributor to Motor Axon Terminal Regeneration International Journal of Molecular Sciences, 2022-01-21;23(3):. 2022-01-21 [PMID: 35163106] (Bioassay, Rat) Bioassay Rat
KC Allan, LR Hu, MA Scavuzzo, AR Morton, AS Gevorgyan, EF Cohn, BLL Clayton, IR Bederman, S Hung, CF Bartels, M Madhavan, PJ Tesar Non-canonical Targets of HIF1a Impair Oligodendrocyte Progenitor Cell Function Cell Stem Cell, 2020-10-21;0(0):. 2020-10-21 [PMID: 33091368] (Bioassay, Mouse) Bioassay Mouse
KM Collura, J Niu, SS Sanders, A Montersino, SM Holland, GM Thomas The palmitoyl acyltransferases ZDHHC5 and ZDHHC8 are uniquely present in DRG axons and control retrograde signaling via the Gp130/JAK/STAT3 pathway J. Biol. Chem., 2020-09-21;0(0):. 2020-09-21 [PMID: 32958558] (Bioassay, Rat) Bioassay Rat
F Bucher, E Aguilar, KV Marra, J Rapp, J Arnold, S Diaz-Aguil, C Lange, H Agostini, G Schlunck, A Stahl, M Friedlande CNTF Prevents Development of Outer Retinal Neovascularization Through Upregulation of CxCl10 Invest. Ophthalmol. Vis. Sci., 2020-08-03;61(10):20. 2020-08-03 [PMID: 32780864] (In Vivo, Mouse) In Vivo Mouse
C Soulard, C Salsac, K Mouzat, C Hilaire, J Roussel, A Mezghrani, S Lumbroso, C Raoul, F Scamps Spinal Motoneuron TMEM16F Acts at C-boutons to Modulate Motor Resistance and Contributes to ALS Pathogenesis Cell Rep, 2020-02-25;30(8):2581-2593.e7. 2020-02-25 [PMID: 32101737] (Bioassay, Mouse) Bioassay Mouse
H Munezane, H Oizumi, T Wakabayash, S Nishio, T Hirasawa, T Sato, A Harada, T Yoshida, T Eguchi, Y Yamanashi, T Hashimoto, T Iwatsubo Roles of Collagen XXV and Its Putative Receptors PTPsigma/delta in Intramuscular Motor Innervation and Congenital Cranial Dysinnervation Disorder Cell Rep, 2019-12-24;29(13):4362-4376.e6. 2019-12-24 [PMID: 31875546] (Cell Culture, Mouse) Cell Culture Mouse
H Lindahl, AO Guerreiro-, SK Bedri, M Linnerbaue, M Lindén, N Abdelmagid, K Tandre, C Hollins, L Irving, C Glover, C Jones, L Alfredsson, L Rönnblom, I Kockum, M Khademi, M Jagodic, T Olsson IL-22 Binding Protein Promotes the Disease Process in Multiple Sclerosis J. Immunol., 2019-07-10;0(0):. 2019-07-10 [PMID: 31292217] (Cell Culture, Rat) Cell Culture Rat
Show All 36 Publications.

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Bioinformatics

Gene Symbol Cntf
Uniprot