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ABN1703

Sigma-Aldrich

Anti-Tau, AEP-cleaved (N368) Antibody

serum, from rabbit

Synonim(y):

Microtubule-associated protein tau, AEP-cleaved N368 fragment, Neurofibrillary tangle protein, AEP-cleaved N368 fragment, Paired helical filament-tau, AEP-cleaved N368 fragment, PHF-tau, AEP-cleaved N368 fragment, Tau, AEP-cleaved N368 fragment

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About This Item

Kod UNSPSC:
12352203
eCl@ss:
32160702
NACRES:
NA.41

pochodzenie biologiczne

rabbit

Poziom jakości

forma przeciwciała

serum

rodzaj przeciwciała

primary antibodies

klon

polyclonal

reaktywność gatunkowa

human

reaktywność gatunkowa (przewidywana na podstawie homologii)

canine (based on 100% sequence homology), mouse (based on 100% sequence homology), rat (based on 100% sequence homology), monkey (based on 100% sequence homology), bovine (based on 100% sequence homology)

metody

western blot: suitable

numer dostępu NCBI

numer dostępu UniProt

Warunki transportu

dry ice

docelowa modyfikacja potranslacyjna

unmodified

informacje o genach

dog ... Mapt(480488)
human ... MAPT(4137)
mouse ... Mapt(17762) , Mapt(281296)
rat ... Mapt(29477)
rhesus monkey ... Mapt(574327)

Opis ogólny

Microtubule-associated protein Tau (UniProt P10636; also known as Neurofibrillary tangle protein, Paired helical filament-tau, PHF-tau) is encoded by the MAPT (also known as TAU, MAPT1, MTBTL) gene (Gene ID 4137) in human. Neurofibrillary tangles (NFTs), composed of truncated and hyperphosphorylated Tau, are a common feature of aging-related neurodegenerative diseases, including Alzheimer′s disease (AD). In addition to caspases-mediated cleavage at Asp421, Tau can also be cleaved at Asn255 and Asn368 by the lysosomal cysteine proteinase asparagine endopeptidase (AEP). AEP is upregulated in aged brain, as well as n human AD brain and tau P301S–transgenic mice with synaptic pathology and behavioral impairments. AEP-mediated tau cleavage abolishes tau microtubule assembly function, induces tau aggregation and triggers neurodegeneration. AEP knockout or functional blockage in tau P301S mice leads to a reduction of tau hyperphosphorylation, protection against memory loss, and a reduction in tau P301S–triggered pathological and behavioral defects.

Specyficzność

Specifically recognizes AEP-generated Tau fragments with N368 as the c-termus. Does not react with full-length Tau or Tau fragments with other cleaved c-termus. Uniprot P10636 lists 9 human tau isoforms produced by alternative splicing. The N368 designation was originally assigned to this polyclonal antiserum based on Asp368 of isoform 8 (Tau-F, Tau-4), which is equivalent to N685 of isoform 1 (PNS-tau), N279 of isoform 2 (Fetal-tau), N243 of isoform 3 (Tau-A), N308 of isoform 4 (Tau-B), N337 of isoform 5 (Tau-C, Tau-3), N310 of isoform 6 (Tau-D), N339 of isoform 7 (Tau-E), and N703 of isoform 9 (Tau-G).

Immunogen

Epitope: C-terminus
KLH-conjugated linear peptide corresponding to the C-terminal end sequence of AEP-cleaved human Tau N-terminal fragment N368

Zastosowanie

Research Category
Neuroscience
Research Sub Category
Developmental Signaling
This Anti-Tau, AEP-cleaved (N368) Antibody is validated for use in Western Blotting for the detection of AEP-cleaved Tau N-terminal fragment (N368).

Jakość

Evaluated by Western Blotting using purified Tau.

Western Blotting Analysis: A 1:100,000 dilution of this antiserum specifically detected 1 µg of purified aa 1-368 Tau fragment, but not the full-length Tau protein.

Opis wartości docelowych

~45 kDa observed. Variable depending on the isoform and size of the target fragments.

Postać fizyczna

Rabbit polyclonal antiserum with 0.05% sodium azide.
Unpurified

Przechowywanie i stabilność

Stable for 1 year at -20°C from date of receipt.
Handling Recommendations: Upon receipt and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20°C. Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance.

Inne uwagi

Concentration: Please refer to lot specific datasheet.

Oświadczenie o zrzeczeniu się odpowiedzialności

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.
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Kod klasy składowania

12 - Non Combustible Liquids

Klasa zagrożenia wodnego (WGK)

WGK 1

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable


Certyfikaty analizy (CoA)

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Masz już ten produkt?

Dokumenty związane z niedawno zakupionymi produktami zostały zamieszczone w Bibliotece dokumentów.

Odwiedź Bibliotekę dokumentów

Zhentao Zhang et al.
Nature medicine, 20(11), 1254-1262 (2014-10-20)
Neurofibrillary tangles (NFTs), composed of truncated and hyperphosphorylated tau, are a common feature of numerous aging-related neurodegenerative diseases, including Alzheimer's disease (AD). However, the molecular mechanisms mediating tau truncation and aggregation during aging remain elusive. Here we show that asparagine
Kerstin Schlegel et al.
Acta neuropathologica communications, 7(1), 177-177 (2019-11-15)
Intraneuronal insoluble inclusions made of Tau protein are neuropathological hallmarks of Alzheimer Disease (AD). Cleavage of Tau by legumain (LGMN) has been proposed to be crucial for aggregation of Tau into fibrils. However, it remains unclear if LGMN-cleaved Tau fragments

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