Anti-Tau/MAPT Antibody Picoband® Fluoro488 Conjugated
Product Specifications
Background
MAPT, Microtubule-associated protein tau, appears to be enriched in axons. The MAPT gene is assigned to chromosome 17 by hybridization of a cDNA clone to flow-sorted and spot-blotted chromosomes and to 17q21 by in situ hybridization, containing 16 exons. The tau proteins are the product of alternative splicingfrom a single gene that in humans is designated MAPT. Tau proteins are proteins that stabilize microtubules. They are abundant in neurons in the central nervous system and are less common elsewhere. When tau proteins are defective, and no longer stabilize microtubules properly, they can result in dementias such as Alzheimer's disease.
Synonyms
Microtubule-associated protein tau; Neurofibrillary tangle protein; Paired helical filament-tau; PHF-tau; MAPT; MAPTL, MTBT1, TAU
Gene Name
MAPT
Gene ID
4137
UniProt
P10636
Host
Rabbit
Reactivity
Human, Mouse, Rat
Cross Reactivity
No cross-reactivity with other proteins
Immunogen
A synthetic peptide corresponding to a sequence at the N-terminus of human Tau, different from the related mouse and rat sequences by three amino acids.
Clonality
Polyclonal
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.
Applications
Flow Cytometry
Field of Research
Alzheimer's Disease, Cell Type Marker, Cytoskeleton, Cytoskeleton/ECM, Microtubules, Neurodegenerative Disease, Neurology Process, Neuron Marker, Neuroscience, Signal Transduction
Purification
Immunogen affinity purified.
Form
Liquid
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. .
References & Citations
1. Andreadis, A., Brown, W. M., Kosik, K. S.Structure and novel exons of the human tau gene.Biochemistry 31: 10626-10633, 1992. 2. Donlon, T. A., Harris, P., Neve, R. L.Localization of microtubule-associated protein tau (MTBT1) to chromosome 17q21. (Abstract) Cytogenet. Cell Genet. 46: 607, 1987. 3. Rademakers, R., Cruts, M., van Broeckhoven, C.The role of tau (MAPT) in frontotemporal dementia and related tauopathies.Hum. Mutat. 24: 277-295, 2004.
Storage Conditions
At -20 ̊C for one year from date of receipt. Avoid repeated freezing and thawing. Protect from light.
Calculated Molecular Weight
78928 MW
Specificity
No cross reactivity with other proteins.
Applications Notes
6
Gene Name Synonym
Microtubule-associated protein tau
Subcellular Location
Cytoplasm, cytosol . Cell membrane ; Peripheral membrane protein ; Cytoplasmic side . Cytoplasm, cytoskeleton . Cell projection, axon . Mostly found in the axons of neurons, in the cytosol and in association with plasma membrane components.
Sequence Similarities
Contains 4 Tau/MAP repeats.
Protein Name
Microtubule-associated protein tau
Isotype
Rabbit IgG
Contents
Each vial contains 50% glycerol, 0.9% NaCl, 0.2% Na2HPO4, 0.02% NaN3.
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