Tau Antibody

Images

 
Western Blot: Tau Antibody [NBP2-25163] - Stripe blot of crude rat brain extract. Tau protein is expressed as up to 9 different isoforms of different molecular weight and so appears as multiple closely spaced bands ...read more
Immunocytochemistry/ Immunofluorescence: Tau Antibody [NBP2-25163] - E18 primary rat hippocampal neurons (from Neuromics) were fixed and immunostained with NBP2-25163 (red channel). The cells were also stained in green ...read more

Product Details

Summary
Reactivity RtSpecies Glossary
Applications WB, ICC/IF
Clonality
Polyclonal
Host
Chicken
Conjugate
Unconjugated

Order Details

Tau Antibody Summary

Immunogen
Recombinant full length version of the shortest human Tau isoform purified from E. coli
Localization
Cytoplasm > cytosol. Cell membrane; Peripheral membrane protein; Cytoplasmic side. Cytoplasm > cytoskeleton. Cell projection > axon. Note: Mostly found in the axons of neurons, in the cytosol and in association with plasma membrane components.
Marker
pan-Neuronal Marker
Specificity
This antibody is expected to bind to all Tau isoforms
Clonality
Polyclonal
Host
Chicken
Gene
MAPT
Purity
Ammonium sulfate precipitation
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Western Blot 1:10000
  • Immunocytochemistry/Immunofluorescence 1:1000
Application Notes
This Tau antibody is useful for Immunocytochemistry/Immunofluorescence and Western Blot, where multiple bands can be seen in the range 48-67 kDa, with an additional band at 100kDa, corresponding to the 9 different isoforms of Tau.

Reactivity Notes

Rat. Other species have not been tested.

Packaging, Storage & Formulations

Storage
Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.
Buffer
No buffer
Preservative
10mM Sodium Azide
Purity
Ammonium sulfate precipitation

Alternate Names for Tau Antibody

  • DDPAC
  • FLJ31424
  • FTDP-17
  • G protein beta1/gamma2 subunit-interacting factor 1
  • MAPT
  • MGC138549
  • microtubule-associated protein tau
  • MSTD
  • MSTDMAPTL
  • MTBT1
  • MTBT1Neurofibrillary tangle protein
  • MTBT2
  • Neurofibrillary tangle protein
  • PHF-tau
  • PPND
  • Tau
  • TAUPaired helical filament-tau

Background

Tau is a relatively low molecular weight member of the microtubule associated protein or MAP family. Most of these proteins were discovered since microtubules can be polymerized in cell homogenates and pelleted out by centrifugation, typically taking MAP proteins with them. This early work showed that the Tau protein facilitated the polymerization of microtubules, and was therefore named after the Greek letter tau, since it promoted tubule formation. Tau is heavily concentrated in axons of neurons, but may also be found in dendrites and in some non-neuronal cells. Much interest has focused on Tau as it is a major component of the neurofibrillary tangles of Alzheimer's disease. Tau in neurofibrillary tangles is typically heavily and aberrantly phosphorylated, and it is believed that phosphorylation may be involved in tangle formation. In addition, numerous different point mutations in the Tau gene are causative of Frontotemporal dementia with Parkinsonism linked to chromosome 17 (FTDP-17). There is one mammalian Tau gene which produces at least 9 different proteins by alternate transcription. In the central nervous system 6 isoforms predominant which either include or do not include three short exon coded inserts. These proteins range in size from 352-441 amino acids and run on SDS-PAGE gels as multiple bands ranging from 48-67 kDa. In peripheral nervous system a form called "big tau" predominates, another alternate transcript which includes a 254 amino acid insert. This form of Tau is found in small amounts in the brain also, in cranial nerve motor nuclei and sensory processes of most sensory ganglia, and runs on SDS-PAGE with an apparent molecular weight of 100 kDa. Each Tau protein contains 3 or 4 copies of an 18 amino acid peptide which are responsible for binding to the microtubules and are similar to those found in MAP2 and other members of the MAP family. Tau is a highly charged acidic protein with few hydrophobic residues which belongs to the family of "intrinsically unstructured proteins". As with GAP43, MARCKS and several other similar proteins, Tau isoforms run on SDS-PAGE much more slowly than expected from their actual molecular weight. This antibody was made against a recombinant construct expressed in and purified from E. coli and which corresponded to the shortest version of the various Tau proteins, so this antibody is expected to bind to all Tau isoforms.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Product General Protocols

Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.

Video Protocols

WB Video Protocol
ICC/IF Video Protocol

FAQs for Tau Antibody (NBP2-25163). (Showing 1 - 1 of 1 FAQ).

  1. Could you let us know the buffer formulation of #NBP2-25163?
    • The buffer formulation for this product is 1x PBS with 10mM sodium azide added as a preservative.

Secondary Antibodies

 

Isotype Controls

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Bioinformatics Tool for Tau Antibody (NBP2-25163)

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Blogs on Tau.

The C99 fragment of amyloid precursor protein (APP)
Alzheimer’s Disease (AD) is a neurodegenerative disorder that is characterized by an abundance of the beta-amyloid peptide in the brain.  When AD was first discovered, it was determined that beta-amyloid was produced as a result of the prote...  Read full blog post.

Tau - A microtubule associated protein as a biomarker for Alzheimer's disease
The tau protein is a microtubule associated protein found mostly in neuronal cells where it regulates the stability of axonal microtubules as well as kinesin-dependent transport. Tau is relevant in the study of various neurological disorders as ab...  Read full blog post.

PINK1: All work and no fun
The protein PINK1 is a mitochondrial-located serine/threonine kinase (PTK) that maintains organelle function and integrity. It not only protects organelles from cellular stress, but it also uses the selective auto-phagocytosis process for cleaning and...  Read full blog post.

Using Amyloid beta peptides in Alzheimer's Disease Immunization
Amyloid beta (AB) peptide has a central role in the neurodegeneration of Alzheimer's disease (AD). Immunization of AD transgenic mice with AB-42 peptide reduces both the spatial memory impairments and AD-like neuropathologic changes.Therapeutic im...  Read full blog post.

New Study Links Tau Mutations to Microglial Immune Response
Tau proteins are abundant in the axons of neurons in the central nervous system (CNS), and play a key role in microtubule formation and stabilization. Antibody studies have identified six tau isoforms, all produced by alternative mRNA splicing of the...  Read full blog post.

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Bioinformatics

Gene Symbol MAPT
Entrez
OMIM