Name: PathScan® Phospho-Stat3 (Ser727) Sandwich ELISA Kit
Price: 613.00 USD
Availability: InStock

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ELISA

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Supporting Data

REACTIVITY

H

Application Key:

ELISA-ELISA

Species Cross-Reactivity Key:

H-Human

Product Information

Product Description

The PathScan^® Phospho-Stat3 (Ser727) Sandwich ELISA Kit is a solid phase sandwich enzyme-linked immunosorbent assay (ELISA) that detects endogenous levels of Stat3 protein phosphorylated at Ser727. A Stat3 rabbit mAb has been coated onto the microwells. After incubation with cell lysates, Stat3 (phospho or nonphospho) protein is captured by the coated antibody. Following extensive washing, a phospho-Stat3 (Ser727) mouse mAb is added to detect the captured phospho-Stat3 protein. Anti-mouse IgG, HRP-linked Antibody is then used to recognize the bound detection antibody. HRP substrate TMB is added to develop color. The magnitude of the absorbance for this developed color is proportional to the quantity of Stat3 phosphorylated at Ser727.

*Antibodies in this kit are custom formulations specific to kit.

Protocol

Specificity / Sensitivity

PathScan^® Phospho-Stat3 (Ser727) Sandwich ELISA Kit detects endogenous levels of Stat3 protein phosphorylated at Ser727 in human cells, as shown in Figure 1. The kit sensitivity is shown in Figure 2. This kit detects proteins from the indicated species, as determined through in-house testing, but may also detect homologous proteins from other species.

Species Reactivity:

Human

Background

The Stat3 transcription factor is an important signaling molecule for many cytokines and growth factor receptors (1) and is required for murine fetal development (2). Research studies have shown that Stat3 is constitutively activated in a number of human tumors (3,4) and possesses oncogenic potential (5) and anti-apoptotic activities (3). Stat3 is activated by phosphorylation at Tyr705, which induces dimerization, nuclear translocation, and DNA binding (6,7). Transcriptional activation seems to be regulated by phosphorylation at Ser727 through the MAPK or mTOR pathways (8,9). Stat3 isoform expression appears to reflect biological function as the relative expression levels of Stat3α (86 kDa) and Stat3β (79 kDa) depend on cell type, ligand exposure, or cell maturation stage (10). It is notable that Stat3β lacks the serine phosphorylation site within the carboxy-terminal transcriptional activation domain (8).

Database Links

UniProt ID: P40763

Entrez-Gene Id: 6774

限制使用

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For Research Use Only. Not For Use In Diagnostic Procedures.

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.

PathScan is a registered trademark of Cell Signaling Technology, Inc.

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PathScan® Phospho-Stat3 (Ser727) Sandwich ELISA Kit #7995