Biolegend, 851302, Purified anti-Tau, 1-223 Antibody, 100μg

Tau protein promotes microtubule assembly and stability. Tau is abundant in neurons of the central nervous system, and is expressed at low levels in astrocytes and oligodendrocytes. Abnormal hyper-phosphorylation, aggregation, and toxic gain of function of tau is associated with several neurological disorders, including Alzheimer’s disease (AD). The major building block of neurofibrillary lesions in AD brains consists of paired helical filaments (PHFs) of abnormally hyperphosphorylated tau. Six isoforms of tau are generated by alternative splicing of the MAPT gene. These isoforms are distinguished by the number of tubulin binding domains, 3 (3R) or 4 (4R), in the C-terminal of the protein and by one (1N), two (2N), or no (0N) inserts in the N-terminal domain.  Tau isoforms are differentially expressed during development.
100μg
Verified Reactivity: Human
Antibody Type: Monoclonal
Host Species: Rat
Immunogen: Recombinant N-terminal fragment of human 0N Tau protein encompassing amino acid residues 1-223.
Formulation: Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide.
Preparation: The antibody was purified by affinity chromatography.
Concentration: 0.5 mg/ml
Storage & Handling: The antibody solution should be stored undiluted between 2°C and 8°C.
Application: WB - Quality tested IHC-P, Direct ELISA - Verified
Recommended Usage: Each lot of this antibody is quality control tested by Western blotting. For Western blotting, the suggested use of this reagent is 1.0 - 5.0 µg per ml. For immunohistochemical staining on formalin-fixed paraffin-embedded tissue sections, a concentration range of 0.2 - 1.0 µg/ml is suggested. For Direct ELISA, a concentration range of 0.01 - 1.0 µg/ml is recommended. It is recommended that the reagent be titrated for optimal performance for each application.
Application Notes: This antibody cross-reacts with 3R and 4R Tau isoforms, and recognizes endogenous human Tau in brain lysates by WB. This clone does not recognize murine Tau.
RRID: AB_2721758 (BioLegend Cat. No. 851301) AB_2721759 (BioLegend Cat. No. 851302)
Structure: Unmodified Tau isoforms have an apparent molecular weight ranging from 33-79 kD. Additional high and low molecular weight Tau species have been observed in brain tissues.
Distribution: Tissue distribution: central nervous system, peripheral ganglia and nerves, kidney, skeletal, and heart muscle. Cellular distribution: cytoskeleton, nucleus, plasma membrane, and cytosol.
Function: Tau promotes microtubule assembly and stability. The short tau isoforms allow plasticity of the cytoskeleton whereas the longer isoforms may preferentially play a role in its stabilization.
Interaction: Tau interacts with Sequestosome-1, Peptidyl-prolyl cis-trans isomerase FKBP4, Casein kinase I isoform delta, Serine/threonine-protein kinase Sgk1, Laforin, Alpha-synuclein
Biology Area: Cell Biology, Neurodegeneration, Neuroscience, Protein Misfolding and Aggregation
Molecular Family: Tau
Antigen References: Augustinack JC, et al. 2002. Acta Neuropathol. 103(1):26-35. PubMed. Seubert P, et al. 1995. J Biol Chem. 270(32):18917-22.PubMed. Dong Y, et al. 2012. PLoS One 7(6):e39386. PubMed.
Gene ID: 4137
UniProt: View information about Tau 1-223 on UniProt.org
Clone: A16103A
Regulatory Status: RUO
Other Names: Microtubule associated protein tau
Isotype: Rat IgG2b, κ