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MAB3420

Sigma-Aldrich

Anti-Tau-1 Antibody, clone PC1C6

clone PC1C6, Chemicon®, from mouse

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eCl@ss:
32160702
NACRES:
NA.41

biological source

mouse

Quality Level

antibody form

purified antibody

clone

PC1C6, monoclonal

species reactivity

human, rat, bovine

packaging

antibody small pack of 25 μg

manufacturer/tradename

Chemicon®

technique(s)

immunofluorescence: suitable
immunohistochemistry: suitable
western blot: suitable

isotype

IgG2a

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

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This Item
T9450AB9658AB9668
Anti-Tau-1 Antibody, clone PC1C6 clone PC1C6, Chemicon®, from mouse

MAB3420

Anti-Tau-1 Antibody, clone PC1C6

Anti-Tau antibody, Mouse monoclonal clone Tau46, purified from hybridoma cell culture

T9450

Anti-Tau antibody, Mouse monoclonal

clone

PC1C6, monoclonal

clone

Tau46, monoclonal

clone

polyclonal

clone

polyclonal

species reactivity

human, rat, bovine

species reactivity

bovine, rat, human, mouse

species reactivity

human

species reactivity

human

biological source

mouse

biological source

mouse

biological source

rabbit

biological source

rabbit

shipped in

dry ice

shipped in

dry ice

shipped in

dry ice

shipped in

dry ice

technique(s)

immunofluorescence: suitable, western blot: suitable, immunohistochemistry: suitable

technique(s)

immunohistochemistry: suitable, immunoprecipitation (IP): suitable, indirect ELISA: suitable, microarray: suitable, western blot: 0.5-1 μg/mL using mouse brain extract

technique(s)

western blot: suitable

technique(s)

western blot: suitable

General description

Tau, a microtubulebinding protein which serves to stabilize microtubules in growing axons, is found to be hyperphosphorylated in paired helical filaments (PHF), the major fibrous component of neurofibrillary lesions associated with Alzheimer’s disease. Hyperphosphorylation of Tau is thought to be the critical event leading to the assembly of PHF. Six Tau protein isoforms have been identified, all of which are phosphorylated by glycogen synthase kinase 3 (GSK 3). Cellular and subcellular localization: In situ, anti-tau-1 has a stringent specificity for the axons of neurons. The antibody does not stain the cell bodies or dendrites of neurons, nor does it stain any other cell type (4). However, this in vivo intracellular specificity is not maintained in culture: anti-tau-1 stains the axon, cell bodies, and dendrites of rat hippocampal neurons grown in culture (5). The specificity of anti-tau-1 was originally thought to represent the restricted expression of tau to axons. Later studies revealed that this specificity is dependant on the state of phosphorylation. In dephosphorylated samples (samples treated with alkaline phosphatase) anti-tau-1 stains astrocytes, perineuronal glial cells, and the axons, cell bodies and dendrites of neurons, while in untreated samples, anti-tau-1 stains only axons (6). (The epitope recognized by anti-tau-1 is probably at or near a phosphorylated site.)

Specificity

Anti-Tau-1 Antibody, clone PC1C6 binds to all known electrophoretic species of tau in human, rat and bovine brain (one-dimensional SDS-PAGE). However there is some unphosphorylated bias with clone PC1C6 as it seem to recognize only dephosphorylated serine sites at 195, 198, 199, and 202 {Szendrei, et al 1993; http://www.ncbi.nlm.nih.gov/entrez/query.fcgi-cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=7680727}. Also see Billingsley & Kincaid, 1997 Biochem J 323:577-591 for additional mapping information on PC1C6.

Immunogen

Purified denatured bovine microtubule associated proteins.

Application

Anti-Tau-1 Antibody, clone PC1C6 is an antibody against Tau-1 for use in IH & WB with more than 65 product citations.
Research Category
Neuroscience
Research Sub Category
Neurodegenerative Diseases
Western blot: Bovine brain microtubule proteins purified by two cycles of assembly and disassembly (9) are dissolved in SDS-PAGE sample buffer. Five micrograms of the microtuble preparation per lane is loaded onto a 4% to 20% SDS-PAGE gradient gel along side molecular weight markers (14.3 - 200 kD). After separation by electrophoresis, the proteins are blotted onto nitrocellulose. Tau is detected as a series of 5 bands (52-68 kD) with approximately 5 ng/mL of anti-tau1.

Immunofluorescence: A 1:1000 dilution of this antibody detected Tau in mouse primary neurons. (Basnet, N., et al. (2018). Nat. Cell Biol. 20(10); 1172-1180.

Immunohistochemistry: 5 μg/mL; stains axons in tissue primarily, however in culture Tau expression is not restricted to just axons.

Optimal working dilutions must be determined by end user.

Immunohistochemistry Protocol

Dephosphorylation of tissue sections (optional)

Dephosphorylation with alkaline phosphatase is recommended for staining neurofibrillary tangles in Alzheimer′s brain tissue with anti-tau-1 (6). This treatment changes the staining pattern of anti-tau-1 to include cell bodies, dendrites and axons of neurons. In untreated samples, anti-tau-1 stains axons only.

1. Incubate tissue sections at +32°C for 2.5 hours with constant agitation in the following solution: 100 mM Tris-HCl, pH 8.0; 130 units/mL alkaline phosphatase, 1 mM PMSF, 10 μg/mL pepstatin and 10 μg/mL leupeptin.

2. Rinse sections twice, 3 min per rinse, with 100 mM Tris-HCl, pH 8.0.

Anti-tau-1 staining

1. Block non-specific binding by incubating sections in PBS containing 1% (v/v) normal animal serum, and 0.03% (w/v) Triton X-100. The animal serum should be from the same species as the secondary antibody.

2. Rinse 3 times with PBS, 3 min per rinse.

3. Incubate sections with anti-tau-1, approximately 5 μg/mL, diluted in PBS containing 1% (v/v) normal animal serum.

4. Wash with PBS, changing the solution 3 times over a 3 min period.

5. Detect with a standard secondary antibody detection system (10-13).

Target description

5 bands (52–68 kDa)

Linkage

Replaces: AB1512

Physical form

0.02M phosphate buffer, pH 7.6, 0.25M NaCl, and 0.1% sodium azide
Format: Purified
Protein A purified

Storage and Stability

Maintain for 1 year at -20°C from date of shipment. Aliquot to avoid repeated freezing and thawing. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.

Analysis Note

Control
Alzheimer′s brain tissue (dephosphorylation with alkaline phosphatase is recommended for staining neurofibrillary tangles in Alzheimer’s brain tissue) or human T98G glioblastoma cells

Other Notes

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

Legal Information

CHEMICON is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable


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SynCAM 1 participates in axo-dendritic contact assembly and shapes neuronal growth cones.
Stagi M, Fogel AI, Biederer T
Proceedings of the National Academy of Sciences of the USA null
Reversible paired helical filament-like phosphorylation of tau is an adaptive process associated with neuronal plasticity in hibernating animals.
Arendt, Thomas, et al.
The Journal of Neuroscience, 23, 6972-6981 (2003)
Ryuji X Yamada et al.
Neuroreport, 17(6), 661-665 (2006-04-11)
Controlling axon and dendrite elongation is critical in developing precise neural circuits. Using isolated cultures of dentate granule neurons, we established an experimental system that can simultaneously monitor the behaviors of axonal and dendritic outgrowth. Our previous study shows that
Interaction of nonreceptor tyrosine-kinase Fer and p120 catenin is involved in neuronal polarization.
Lee, Seung-Hye
Molecules and Cells, 20, 256-262 (2005)
Both the establishment and the maintenance of neuronal polarity require active mechanisms: critical roles of GSK-3beta and its upstream regulators.
Jiang, Hui, et al.
Cell, 120, 123-135 (2005)

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Protocols

Tips and troubleshooting for FFPE and frozen tissue immunohistochemistry (IHC) protocols using both brightfield analysis of chromogenic detection and fluorescent microscopy.

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