Human Tau proteins ELISA kit

Code CSB-E12011h
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Product Type ELISA Kit
Size 96T,5×96T,10×96T
Uniprot No. P10636
Lead Time 3-5 working days
Abbreviation MAPT
Target Name microtubule-associated protein tau
Alias DDPAC, FLJ31424, FTDP-17, MAPTL, MGC138549, MSTD, MTBT1, MTBT2, PPND, TAU, G protein beta1/gamma2 subunit-interacting factor 1|microtubule-associated protein tau, isoform 4
Species Homo sapiens (Human)
Sample Types serum, plasma, cerebrospinal fluid (CSF)
Detection Range 15.6 pg/mL-1000 pg/mL
Sensitivity 3.9 pg/mL
Assay Time 1-5h
Sample Volume 50-100ul
Detection Wavelength 450 nm
Research Area Signal Transduction
Protocol
Protocol may be improved. Please feel free to contact CUSABIO product specialist to obtain the latest version.
Assay Principle quantitative
Measurement Sandwich
Target Details This gene encodes the microtubule-associated protein tau (MAPT) whose transcript undergoes complex, regulated alternative splicing, giving rise to several mRNA species. MAPT transcripts are differentially expressed in the nervous system, depending on stage of neuronal maturation and neuron type. MAPT gene mutations have been associated with several neurodegenerative disorders such as Alzheimer s disease, Pick s disease, frontotemporal dementia, cortico-basal degeneration and progressive supranuclear palsy.
HGNC 6893
RGD 69329
MGI 97180
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 Tau 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 % 84  
Range % 80-92  
1:2 Average % 97  
Range % 92-106  
1:4 Average % 98  
Range % 93-105  
1:8 Average % 93  
Range % 86-98  
Recovery
The recovery of human Tau 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) 100 95-105  
EDTA plasma (n=4) 97 91-101  
             
             
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  
1000 2.319 2.423 2.371 2.228  
500 1.828 1.864 1.846 1.703  
250 1.291 1.324 1.308 1.165  
125 0.776 0.796 0.786 0.643  
62.5 0.464 0.498 0.481 0.338  
31.2 0.321 0.341 0.331 0.188  
15.6 0.215 0.227 0.221 0.078  
0 0.142 0.144 0.143    
References
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Function Promotes microtubule assembly and stability, and might be involved in the establishment and maintenance of neuronal polarity. The C-terminus binds axonal microtubules while the N-terminus binds neural plasma membrane components, suggesting that tau functions as a linker protein between both. Axonal polarity is predetermined by TAU/MAPT localization (in the neuronal cell) in the domain of the cell body defined by the centrosome. The short isoforms allow plasticity of the cytoskeleton whereas the longer isoforms may preferentially play a role in its stabilization.
Involvement in disease Frontotemporal dementia (FTD); Pick disease of the brain (PIDB); Progressive supranuclear palsy 1 (PSNP1); Parkinson-dementia syndrome (PARDE)
Subcellular Location Cytoplasm, cytosol, Cell membrane, Peripheral membrane protein, Cytoplasmic side, Cytoplasm, cytoskeleton, Cell projection, axon
Tissue Specificity Expressed in neurons. Isoform PNS-tau is expressed in the peripheral nervous system while the others are expressed in the central nervous system.
Database Links

HGNC: 6893

OMIM: 157140

KEGG: hsa:4137

STRING: 9606.ENSP00000340820

UniGene: Hs.101174

Pathway MAPK signaling pathway

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