Human Ciliary Neurotrophic Factor,CNTF ELISA Kit

Code CSB-E04527h
Size 96T,5×96T,10×96T
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Product Details

Target Name
ciliary neurotrophic factor
Alternative Names
Ciliary neurotrophic factor ELISA Kit; CNTF ELISA Kit; CNTF_HUMAN ELISA Kit; HCNTF ELISA Kit
Abbreviation
CNTF
Uniprot No.
Species
Homo sapiens (Human)
Sample Types
serum, plasma, tissue homogenates
Detection Range
6.25 pg/mL-400 pg/mL
Sensitivity
1.56 pg/mL
Assay Time
1-5h
Sample Volume
50-100ul
Detection Wavelength
450 nm
Research Area
Neuroscience
Assay Principle
quantitative
Measurement
Sandwich
Precision
Intra-assay Precision (Precision within an assay): CV%<8%      
Three samples of known concentration were tested twenty times on one plate to assess.  
Inter-assay Precision (Precision between assays): CV%<10%      
Three samples of known concentration were tested in twenty assays to assess.    
             
Linearity
To assess the linearity of the assay, samples were spiked with high concentrations of human CNTF in various matrices and diluted with the Sample Diluent to produce samples with values within the dynamic range of the assay.
  Sample Serum(n=4)  
1:1 Average % 87  
Range % 83-91  
1:2 Average % 102  
Range % 97-107  
1:4 Average % 99  
Range % 95-103  
1:8 Average % 86  
Range % 83-89  
Recovery
The recovery of human CNTF spiked to levels throughout the range of the assay in various matrices was evaluated. Samples were diluted prior to assay as directed in the Sample Preparation section.
Sample Type Average % Recovery Range  
Serum (n=5) 98 94-103  
EDTA plasma (n=4) 90 85-95  
             
             
Typical Data
These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.
pg/ml OD1 OD2 Average Corrected  
400 2.504 2.598 2.551 2.369  
200 2.194 2.053 2.124 1.942  
100 1.555 1.501 1.528 1.346  
50 0.877 0.898 0.888 0.706  
25 0.451 0.465 0.458 0.276  
12.5 0.375 0.362 0.369 0.187  
6.25 0.274 0.298 0.286 0.104  
0 0.181 0.183 0.182    
Troubleshooting
and FAQs
Storage
Store at 2-8°C. Please refer to protocol.
Lead Time
3-5 working days after you place the order, and it takes another 3-5 days for delivery via DHL or FedEx
Description

This Human CNTF ELISA Kit was designed for the quantitative measurement of Human CNTF protein in serum, plasma, tissue homogenates. It is a Sandwich ELISA kit, its detection range is 6.25 pg/mL-400 pg/mL and the sensitivity is 1.56 pg/mL.

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Target Background

Function
(From Uniprot)
CNTF is a survival factor for various neuronal cell types. Seems to prevent the degeneration of motor axons after axotomy.
Gene References into Functions
  1. Our findings suggest that CNTF over-expression enhances the protective effects of bone marrow mesenchymal stem cells on retinal pigment epithelium cells, thus indicating subretinal-transplantation of CNTF-bone marrow mesenchymal stem cells may be a promising therapy for blue-light -injured retina PMID: 29564604
  2. Cytokines of the LIF/CNTF family and metabolism PMID: 26817395
  3. High hydrostatic pressure enables almost 100% refolding of recombinant human ciliary neurotrophic factor from inclusion bodies at high concentration. PMID: 28323167
  4. CNTFR-specific mutants of CNTF have been developed that bind to the CNTFRalpha-LIFRbeta-gp130 receptor. PMID: 26187860
  5. Human CNTF expression through lentiviral gene transfer in the rat striatum significantly decreased the levels of neuronal metabolites (N-acetyl-aspartate, N-acetyl-aspartyl-glutamate, and glutamate). PMID: 25833344
  6. the biological effects of CNTF on retinoic acid (RA)-predifferentiated SH-SY5Y neuroblastoma cells and the underlying molecular mechanism of this effect were investigated for the first time PMID: 25118897
  7. R28E mutation in CNTF abrogatesIL-6 receptor-dependent but retains CNTF receptor-dependent signaling via glycoprotein 130/ LIFR. PMID: 24802752
  8. In this review, CNTF plays an important role in neurogenesis and differentiation of neural stem cells. PMID: 23948898
  9. The levels of expression and secretion of BDNF and CTNF of induced cells were assessed using immunocytochemical, Real-Time polymerase chain reaction, and enzyme linked immunosorbent assay (ELISA). PMID: 23944834
  10. CNTF elevated in umbilical cord blood from pre-eclamptic pregnancies PMID: 23654315
  11. CNTF-mediated protection of photoreceptors requires initial activation of the cytokine receptor gp130 in Muller glial cells. PMID: 24191003
  12. Report favourable allelic patterns of ACTN3 and CNTF genes on aerobic performance in athletes. PMID: 23676962
  13. Data indicate that aspirin increased mRNA and protein expression of CNTF in primary mouse and human astrocytes in a dose- and time-dependent manner. PMID: 23653362
  14. we show that the release of CNTF by glial cells is a very powerful stimulus for optic fiber regeneration and retinal ganglion cell survival after optic nerve crush PMID: 23194670
  15. Ciliary neurotrophic factor levels were increased in painful PTT only. PMID: 22337942
  16. Peptide 6c, corresponding to human CNTF amino acid residues 147-150, induces neurogenesis, neuronal activity and proliferation of immature neurons in the dentate gyrus and improvement of spatial reference memory in mice. PMID: 20952820
  17. CNTF's effects on retinal pigment epithelial (RPE) physiology PMID: 21912637
  18. Data show that variants in CNTF were significantly associated with a lower age at onset of the eating disorders. PMID: 20219210
  19. The role played by CNTF in retinal cell differentiation and survival in retinal progenitors, is reported. PMID: 20428961
  20. Ciliary neurotrophic factor, and related (CNTF), ligands targeting the established CNTF receptor alpha, binds to sortilin with high affinity. PMID: 20584990
  21. In women the CNTF polymorphism (odds ratio (OR) = 2.15, 95%CI: 1.27-3.64, p = 0.004) are associated with weight gain. PMID: 19833146
  22. Studies indicate that leptin, CNTF, LIF and IL-6 present similar three-dimensional fold structure, interact with related class-I receptors and activate similar intracellular pathways. PMID: 19751193
  23. A null mutation in this protein was evaluated for a relationship to disease susceptibility and disease severity in patients with multiple sclerosis. PMID: 11857064
  24. Association of a null mutation in the CNTF gene with early onset of multiple sclerosis. PMID: 11890844
  25. Early onset of severe familial amyotrophic lateral sclerosis with a SOD-1 mutation: potential impact of CNTF as a candidate modifier gene. PMID: 11951178
  26. CTNF binds to the IL-6 receptor and has a role in neuroprotection PMID: 12643274
  27. no evidence found to suggest that ciliary neurotrophic factor is involved in the pathogenesis of pelvic endometriosis PMID: 12890930
  28. Constitutive expression of cytokines in brain induces changes in gene expression characteristic of chronic inflammation leading to either temporal weight reduction (CNTF) or severe cachexia (leukemia inhibitory factor). PMID: 14715713
  29. Results do not support an effect of the CNTF null allele on body composition, contrary to previous findings. PMID: 14747836
  30. findings support the hypothesis that CNTF and leptin engage distinct CNS sites and CNTF possesses inflammatory properties distinct from leptin PMID: 15047605
  31. In spite of axokine gene expression in retinal pigment epithelium, no photoreceptor rescue in retinal degeneration mice. PMID: 15180291
  32. myogenic lineage-committed human myoblasts can dedifferentiate at a clonal level; CNTF is a novel regulator of skeletal myoblast dedifferentiation via p44/p42 MAPK pathway PMID: 15843428
  33. CNTF negatively regulates phototransduction, which reduces the photoresponsiveness of rods, resulting in lower electroretinogram amplitudes following light stimulus. PMID: 17192435
  34. Possible neuroprotective role of CNTF in the optic nerve head. PMID: 17563726
  35. We conclude that absence of CNTF does not increase susceptibility for neurodegenerative disorders and confirm that it does not affect onset and course of familial and sporadic ALS. PMID: 17651970
  36. Continuous expression of striatal CNTF at the dose mediated by the expression cassette used in this study was detrimental to transgenic mice with Huntington's disease. PMID: 18293418
  37. The relative treatment benefit of iloperidone compared with placebo in patients with schizophrenia is enhanced in patients homozygous G/G for the rs1800169 polymorphism of CNTF. PMID: 18303965
  38. In vivo and in vitro experiments implicate CNTF as an endogenous regulatory component of dopamine D2-receptor-dependent neurogenesis in the subventricular zone and the dentate gyrus of the hippocampus. (Review) PMID: 18524890
  39. CNTF-mediated signaling is a molecular switch for neuronal versus glial differentiation of retinal stem cells/progenitors. PMID: 18669911
  40. Ciliary neurotrophic factor, cardiotrophin-like cytokine, and neuropoietin share a conserved binding site on the ciliary neurotrophic factor receptor alpha chain PMID: 18728012
  41. PTP-1B constitutes a key divergent element between leptin/insulin and CNTF signaling pathways at the neuronal level. PMID: 19008309
  42. Certain SNP patterns in VDR and CNTF genes showed better improvement of parameters associated with the effects of low-resistance training using exercise machines as analyzed by comparison between SNP patterns and factor analysis. PMID: 19082510
  43. The results of this study provided further evidence that the production of ciliary neurotrophic factor by Schwann cells is markedly reduced in Charcot-Marie-Tooth type 1A neuropathy. PMID: 19525893
  44. Fusion of HIV-1 TAT to CNTF may have modified the CNTF capacity to induce intracellular signaling in hypothalamic neurons. PMID: 19573019
  45. The CNTF 1357 G --> A polymorphism explains only a small portion of the variability in the muscle strength response to training in women. PMID: 19628720
  46. An interaction between apoE3 and CNTF occurs with both delipidated apeE3 and apoE3 found within a lipoprotein particle in cerebrospinal fluid. This interaction potentiates the survival-promoting activity of CNTF for hippocampal neurons. PMID: 9236223

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Subcellular Location
Cytoplasm.
Protein Families
CNTF family
Tissue Specificity
Nervous system.
Database Links

HGNC: 2169

OMIM: 118945

KEGG: hsa:1270

STRING: 9606.ENSP00000355370

UniGene: Hs.524920

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