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82577
PhosphoPlus® Tau (Ser404) Antibody Duet

PhosphoPlus® Tau (Ser404) Antibody Duet #82577

Western Blotting Image 1

Western blot analysis of extracts from various cell lines and tissues using Tau (D1M9X) XP® Rabbit mAb (upper) and β-Actin (D6A8) Rabbit mAb #8457 (lower).

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Western Blotting Image 2

Western blot analysis of extracts from human cortex (lane 1), neonatal mouse brain, untreated (lane 2) or phosphatase-treated (lane 3), and fetal rat brain (lane 4), using Phospho-Tau (Ser404) (D2Z4G) Rabbit mAb (IF preferred) (upper), Tau (Tau46) Mouse mAb #4019 (middle) and β-Actin (D6A8) Rabbit mAb #8457 (lower).

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IHC-P (paraffin) Image 3

Immunohistochemical analysis of paraffin-embedded human Alzheimer's brain using Tau (D1M9X) XP® Rabbit mAb in the presence of control peptide (left) or antigen-specific peptide (right).

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Western Blotting Image 4

Western blot analysis of extracts from MEF cells (lane 1) and mouse brain (lane 2) using Phospho-Tau (Ser404) (D2Z4G) Rabbit mAb (IF preferred) (upper), Tau (Tau46) Mouse mAb #4019 (middle) and β-Actin (D6A8) Rabbit mAb #8457 (lower).

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IHC-P (paraffin) Image 5

Immunohistochemical analysis of paraffin-embedded human normal appendix using Tau (D1M9X) XP® Rabbit mAb.

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IF-IC Image 6

Confocal immunofluorescent analysis of mouse primary neurons using Phospho-Tau (Ser404) (D2Z4G) Rabbit mAb (IF preferred) (green). Blue pseudocolor = Hoescht 33342 #4082 (fluorescent DNA dye).

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IHC-P (paraffin) Image 7

Immunohistochemical analysis of paraffin-embedded T-47D cell pellet (left, positive) or MDA-MB-231 cell pellet (right, negative) using Tau (D1M9X) XP® Rabbit mAb.

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IF-F Image 8

Confocal immunofluorescent analysis of Tg2576 mouse brain, untreated (left) or Lambda Protein Phosphatase-treated (right), using Phospho-Tau (Ser404) (D2Z4G) Rabbit mAb (IF preferred) (red) and GFAP (GA5) Mouse mAb #3670 (green). Blue pseudocolor = DRAQ5® #4084 (fluorescent DNA dye).

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IHC-P (paraffin) Image 9

Immunohistochemical analysis of paraffin-embedded mouse lung using Tau (D1M9X) XP® Rabbit mAb.

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IF-IC Image 10

Confocal immunofluorescent analysis of T-47D (positive, left) or MDA-MB-231 (negative, right) cells using Tau (D1M9X) XP® Rabbit mAb (green). Blue pseudocolor = DRAQ5® #4084 (fluorescent DNA dye).

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IF-F Image 11

Confocal immunofluorescent analysis of mouse striatum (left), hippocampus (middle), or midbrain (right) using Tau (D1M9X) XP® Rabbit mAb (green) and GFAP (GA5) Mouse mAb #3670 (red). Blue pseudocolor = DRAQ5® #4084 (fluorescent DNA dye).

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Product Includes Quantity Applications Reactivity MW(kDa) Isotype
Tau (D1M9X) XP® Rabbit mAb 46687 100 µl
  • WB
  • IHC
  • IF
H M R 50 to 80 Rabbit IgG
Phospho-Tau (Ser404) (D2Z4G) Rabbit mAb (IF preferred) 20194 100 µl
  • WB
  • IP
  • IF
H M R 50-80 Rabbit IgG

PhosphoPlus® Duets from Cell Signaling Technology (CST) provide a means to assess protein activation status. Each Duet contains an activation-state and total protein antibody to your target of interest. These antibodies have been selected from CST's product offering based upon superior performance in specified applications.

Tau is a heterogeneous microtubule-associated protein that promotes and stabilizes microtubule assembly, especially in axons. Six isoforms with different amino-terminal inserts and different numbers of tandem repeats near the carboxy terminus have been identified, and tau is hyperphosphorylated at approximately 25 sites by Erk, GSK-3, and CDK5 (1,2). Phosphorylation decreases the ability of tau to bind to microtubules. Neurofibrillary tangles are a major hallmark of Alzheimer's disease; these tangles are bundles of paired helical filaments composed of hyperphosphorylated tau. In particular, phosphorylation at Ser396 by GSK-3 or CDK5 destabilizes microtubules. Furthermore, research studies have shown that inclusions of tau are found in a number of other neurodegenerative diseases, collectively known as tauopathies (1,3).

Investigators have shown that tau phosphorylation at Ser404 destabilizes microtubules and that tau is hyperphosphorylated at Ser404 in Alzheimer's disease (4-7).

  1. Johnson, G.V. and Stoothoff, W.H. (2004) J Cell Sci 117, 5721-9.
  2. Hanger, D.P. et al. (1998) J Neurochem 71, 2465-76.
  3. Bramblett, G.T. et al. (1993) Neuron 10, 1089-99.
  4. Hanger, D.P. et al. (1998) J Neurochem 71, 2465-76.
  5. Shiurba, R.A. et al. (1996) Brain Res 737, 119-32.
  6. Evans, D.B. et al. (2000) J Biol Chem 275, 24977-83.
  7. Bertrand, J. et al. (2010) Neuroscience 168, 323-34.
Entrez-Gene Id
4137
Swiss-Prot Acc.
P10636-8
For Research Use Only. Not For Use In Diagnostic Procedures.

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
PhosphoPlus is a trademark of Cell Signaling Technology, Inc.
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XP is a registered trademark of Cell Signaling Technology, Inc.