Synthetic phosphopeptide corresponding to residues surrounding T181 of human Tau protein(P10636-8).
Species Reactivity
Human, Mouse (Predicted: Cynomolgus monkey)
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Validated Applications
WB, IHC-P
Target Molecular Weight
Predicted band size: 79 kDa
Positive Control
Human brain tissue lysate, human brain tissue, mouse brain tissue.
Conjugation
unconjugated
Clone Number
PSH05-42
Product Features
Form
Liquid
Concentration
Lot Concentration Lookup
Storage Instructions
Store at 2-8℃. Avoid freeze.
Storage Buffer
1*PBS (pH7.4).
Isotype
IgG
Purification Method
Protein A affinity purified.
Application Dilution
Target
Function
The tau proteins (abbreviated from tubulin associated unit are a group of six highly soluble protein isoforms produced by alternative splicing from the gene MAPT (microtubule-associated protein tau). They have roles primarily in maintaining the stability of microtubules in axons and are abundant in the neurons of the central nervous system (CNS), where the cerebral cortex has the highest abundance. They are less common elsewhere but are also expressed at very low levels in CNS astrocytes and oligodendrocytes. Pathologies and dementias of the nervous system such as Alzheimer's disease and Parkinson's disease are associated with tau proteins that have become hyperphosphorylated insoluble aggregates called neurofibrillary tangles. The tau proteins were identified in 1975 as heat-stable proteins essential for microtubule assembly, and since then they have been characterized as intrinsically disordered proteins.
Background References
1. Karikari TK et al. Blood phospho-tau in Alzheimer disease: analysis, interpretation, and clinical utility. Nat Rev Neurol. 2022 Jul
2. Palmqvist S et al. Prediction of future Alzheimer\'s disease dementia using plasma phospho-tau combined with other accessible measures. Nat Med. 2021 Jun
This data was developed using HA722271, the same antibody clone in a different buffer formulation. Western blot analysis of Phospho-Tau (T181) on different lysates with Rabbit anti-Phospho-Tau (T181) antibody (HA722271) at 1/1,000 dilution.
Lane 1: Human brain tissue lysate Lane 2: Human brain tissue lysate, the membrane treated with λpp for 1 hour Lysates/proteins at 40 µg/Lane.
Predicted band size: 79 kDa Observed band size: 70 kDa
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (HA722271) at 1/1,000 dilution was used in 5% NFDM/TBST at room temperature for 2 hours. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1/50,000 dilution was used for 1 hour at room temperature.
This data was developed using HA722271, the same antibody clone in a different buffer formulation. Immunohistochemical analysis of paraffin-embedded human brain tissue with Rabbit anti-Phospho-Tau (T181) antibody (HA722271) at 1/50 dilution.
The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (HA722271) at 1/50 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
This data was developed using HA722271, the same antibody clone in a different buffer formulation. Immunohistochemical analysis of paraffin-embedded mouse brain tissue with Rabbit anti-Phospho-Tau (T181) antibody (HA722271) at 1/50 dilution.
The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (HA722271) at 1/50 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
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