YAP/TAZ (E9M8G) Rabbit mAb #93622
- WB
- IP
- IHC
Supporting Data
| REACTIVITY | H M R Mk |
| SENSITIVITY | Endogenous |
| MW (kDa) | 55, 78 |
| Source/Isotype | Rabbit IgG |
Application Key:
- WB-Western Blotting
- IP-Immunoprecipitation
- IHC-Immunohistochemistry
Species Cross-Reactivity Key:
- H-Human
- M-Mouse
- R-Rat
- Mk-Monkey
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
| Immunoprecipitation | 1:100 |
| IHC Leica Bond | 1:400 - 1:1600 |
| Immunohistochemistry (Paraffin) | 1:50 - 1:200 |
Storage
For a carrier free (BSA and azide free) version of this product see product #19992.
Protocol
Specificity / Sensitivity
YAP/TAZ (E9M8G) Rabbit mAb recognizes endogenous levels of total YAP and TAZ proteins.
Species Reactivity:
Human, Mouse, Rat, Monkey
Source / Purification
Monoclonal antibody is produced by immunizing animals with recombinantly expressed full-length human TAZ protein.
Background
YAP (Yes-associated protein, YAP65) was first identified based on its ability to associate with the SH3 domain of Yes. It also binds to other SH3 domain-containing proteins such as Nck, Crk, Src, and Abl (1). In addition to the SH3 binding motif, YAP contains a PDZ interaction motif, a coiled-coil domain, and WW domains (2-4). While initial studies of YAP all pointed towards a role in anchoring and targeting to specific subcellular compartments, subsequent studies showed that YAP is a transcriptional co-activator by virtue of its WW domain interacting with the PY motif (PPxY) of the transcription factor PEBP2 and other transcription factors (5). In its capacity as a transcriptional co-activator, YAP is now widely recognized as a central mediator of the Hippo Pathway, which plays a fundamental and widely conserved role in regulating tissue growth and organ size (6-8). Phosphorylation at multiple sites (e.g., Ser109, Ser127) by LATS kinases promotes YAP translocation from the nucleus to the cytoplasm, where it is sequestered through association with 14-3-3 proteins (7-9). These LATS-driven phosphorylation events serve to prime YAP for subsequent phosphorylation by CK1δ/ε in an adjacent phosphodegron, triggering proteosomal degradation of YAP (10).
TAZ is a transcriptional co-activator with a PDZ-binding motif that is regulated by its interaction with 14-3-3 proteins (11). TAZ shares homology with the WW domain of Yes-associated protein (YAP) (11). TAZ is proposed to modulate the switch between proliferation and differentiation of mesenchymal stem cells (MSC) via interaction with transcription factors Runx2 and PPARγ. This process is critical to normal tissue development and the prevention of tumor formation. Due to its role in determination of MSC fate, TAZ may have clinical relevance to several human diseases caused by an imbalance of MSC differentiation (12,13). TAZ is negatively regulated via phosphorylation by LATS1/2, core kinases in the Hippo signaling pathway that controls stem cell development, tissue growth and tumor development (14).
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- Mohler, P.J. et al. (1999) J Cell Biol 147, 879-90.
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- Dong, J. et al. (2007) Cell 130, 1120-33.
- Zhao, B. et al. (2010) Genes Dev 24, 862-74.
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- Yu, F.X. et al. (2012) Cell 150, 780-91.
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- Hong, J.H. et al. (2005) Science 309, 1074-8.
- Hong, J.H. and Yaffe, M.B. (2006) Cell Cycle 5, 176-9.
- Lei, Q.Y. et al. (2008) Mol Cell Biol 28, 2426-36.
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