Rabbit Polyclonal SET/TAF-I antibody. Suitable for IHC-P, IP, WB and reacts with Mouse, Human samples. Cited in 1 publication. Immunogen corresponding to Synthetic Peptide within Human SET aa 100-200.
pH: 6.8 - 7.4
Preservative: 0.09% Sodium azide
Constituents: Tris buffered saline, 0.1% BSA
IHC-P | IP | WB | |
---|---|---|---|
Human | Tested | Tested | Tested |
Mouse | Tested | Expected | Tested |
Rat | Predicted | Predicted | Predicted |
Species | Dilution info | Notes |
---|---|---|
Species Mouse | Dilution info 1/1000 | Notes Perform heat-mediated antigen retrieval with citrate buffer pH 6 before commencing with IHC staining protocol. |
Species Human | Dilution info 1/1000 | Notes Perform heat-mediated antigen retrieval with citrate buffer pH 6 before commencing with IHC staining protocol. |
Species | Dilution info | Notes |
---|---|---|
Species Rat | Dilution info - | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Human | Dilution info 3.00000-5.00000 µg/mg of lysate | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Mouse | Dilution info Use at an assay dependent concentration. | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Rat | Dilution info - | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Mouse | Dilution info 0.1 µg/mL | Notes - |
Species Human | Dilution info 0.1 µg/mL | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Rat | Dilution info - | Notes - |
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Multitasking protein, involved in apoptosis, transcription, nucleosome assembly and histone chaperoning. Isoform 2 anti-apoptotic activity is mediated by inhibition of the GZMA-activated DNase, NME1. In the course of cytotoxic T-lymphocyte (CTL)-induced apoptosis, GZMA cleaves SET, disrupting its binding to NME1 and releasing NME1 inhibition. Isoform 1 and isoform 2 are potent inhibitors of protein phosphatase 2A. Isoform 1 and isoform 2 inhibit EP300/CREBBP and PCAF-mediated acetylation of histones (HAT) and nucleosomes, most probably by masking the accessibility of lysines of histones to the acetylases. The predominant target for inhibition is histone H4. HAT inhibition leads to silencing of HAT-dependent transcription and prevents active demethylation of DNA. Both isoforms stimulate DNA replication of the adenovirus genome complexed with viral core proteins; however, isoform 2 specific activity is higher.
Protein SET, HLA-DR-associated protein II, Inhibitor of granzyme A-activated DNase, PHAPII, Phosphatase 2A inhibitor I2PP2A, Template-activating factor I, IGAAD, I-2PP2A, TAF-I, SET
Rabbit Polyclonal SET/TAF-I antibody. Suitable for IHC-P, IP, WB and reacts with Mouse, Human samples. Cited in 1 publication. Immunogen corresponding to Synthetic Peptide within Human SET aa 100-200.
pH: 6.8 - 7.4
Preservative: 0.09% Sodium azide
Constituents: Tris buffered saline, 0.1% BSA
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SET/TAF-I also known as Inhibitor of Protein Phosphatase 2A (I2PP2A) is a multifunctional protein with an approximate mass of 39 kDa. It is ubiquitously expressed in various human tissues including the brain liver and testis. SET/TAF-I plays a role in chromatin remodeling and gene transcription regulation by inhibiting protein phosphatase 2A (PP2A) activity. The protein interacts with nucleosome assembly and in chromatin sliding affecting the overall structure and function of chromosomal material.
In the context of cellular processes SET/TAF-I functions as a histone chaperone and is a part of the nucleosome assembly complex. This protein is involved in nucleosome disassembly and assembly during DNA replication and repair and it modulates transcriptional access for various transcription factors. It regulates the acetylation of histones influencing gene expression levels. The SET/TAF-I also participates in apoptosis and autophagy demonstrating its versatility in cellular control mechanisms.
Studies show that SET/TAF-I engages in the MAPK/ERK signaling pathway which is critical for cell cycle progression and proliferation. It is linked with other proteins such as HMGN proteins and histone deacetylases playing a substantial role in chromatin dynamics and genomic stability. Furthermore SET/TAF-I is central to the signaling pathway that maintains normal cellular functions and responds to stress signals like oxidative stress demonstrating its importance in normal cell regulation.
Abnormalities in SET/TAF-I levels link to Alzheimer's disease and acute myeloid leukemia. In Alzheimer's the protein accumulation leads to tau hyperphosphorylation an important feature of neurodegeneration influencing PP2A's role in phosphatase activity. In acute myeloid leukemia SET/TAF-I dysregulation results in altered cell proliferation and survival signaling implicating proteins like BCL-2 and downstream apoptotic regulators. This demonstrates the protein's involvement in both neurological disorders and malignancies highlighting its broader clinical significance.
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Lysates prepared using NETN lysis buffer.
All lanes: Western blot - Anti-SET/TAF-I antibody (ab92872) at 0.1 µg/mL
Lane 1: HeLa whole cell lysate at 50 µg
Lane 2: HEK293T whole cell lysate at 50 µg
Lane 3: Mouse NIH3T3 whole cell lysate at 50 µg
Predicted band size: 33 kDa
Exposure time: 30s
3μg ab92872 were used to immunoprecipitate SET/TAF-I from 1mg HeLa whole cell lysate. 20% IP was loaded and probed with ab92872 at 1μg/ml.
All lanes: Immunoprecipitation - Anti-SET/TAF-I antibody (ab92872)
Predicted band size: 33 kDa
Immunohistochemical analysis of formalin-fixed, paraffin-embedded human ovarian carcinoma tissue, labeling SET/TAF-I with ab92872 at 1/1000 (0.2 μg/mL) dilution. Detection: DAB.
Immunohistochemical analysis of formalin-fixed, paraffin-embedded mouse renal cell carcinoma tissue, labeling SET/TAF-I with ab92872 at 1/1000 (0.2 μg/mL) dilution. Detection: DAB.
All lanes: Western blot - Anti-SET/TAF-I antibody (ab92872) at 1/2000 dilution
All lanes: Lysate of the soluble fraction of HeLa or U20S cells at 30 µg
All lanes: An HRP polymer Goat anti-rabbit IgG polyclonal at 1/10000 dilution
Developed using the ECL technique.
Predicted band size: 33 kDa
Observed band size: ~37 kDa, ~40 kDa
Exposure time: 1min
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