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PathScan^® Total S6 Ribosomal Protein Sandwich ELISA Kit

PathScan^® Total S6 Ribosomal Protein Sandwich ELISA Kit #7225

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Supporting Data

REACTIVITY

H M

Application Key:

ELISA-ELISA

Species Cross-Reactivity Key:

H-Human
M-Mouse

Product Information

Product Description

The PathScan^® Total S6 Ribosomal Protein Sandwich ELISA Kit is a solid phase sandwich enzyme-linked immunosorbent assay (ELISA) that detects endogenous levels of total S6 ribosomal protein. An S6 Ribosomal Protein Mouse mAb has been coated onto the microwells. After incubation with cell lysates, both phospho- and nonphospho-S6 ribosomal proteins are captured by the coated antibody. Following extensive washing, S6 Ribosomal Protein Antibody is added to detect phospho- and nonphospho-S6 ribosomal proteins. HRP-linked Anti-rabbit Antibody is then used to recognize the bound detection antibody. HRP substrate, TMB, is added to develop color. The magnitude of optical density is proportional to the quantity of total ribosomal protein.

*Antibodies in kit are custom formulations specific to kit.

Protocol

Specificity / Sensitivity

The PathScan^® Total S6 Ribosomal Protein Sandwich ELISA Kit detects endogenous levels of S6 ribosomal protein. As shown in Figure 1, a significant induction of phospho-S6 ribosomal protein (Ser235/236) in PDGF treated NIH/3T3 cells is detected. However, the level of total S6 ribosomal protein (phospho and non-phospho) remains unchanged. NIH/3T3 or 293 cells treated with 20% FBS after starvation also show similar results (data not shown). 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, Mouse

Background

One way that growth factors and mitogens effectively promote sustained cell growth and proliferation is by upregulating mRNA translation (1,2). Growth factors and mitogens induce the activation of p70 S6 kinase and the subsequent phosphorylation of S6 ribosomal protein. Phosphorylation of S6 ribosomal protein correlates with an increase in translation of mRNA transcripts that contain an oligopyrimidine tract in their 5' untranslated regions (2). These particular mRNA transcripts (5'TOP) encode proteins involved in cell cycle progression, as well as ribosomal proteins and elongation factors necessary for translation (2,3). Important S6 ribosomal protein phosphorylation sites include several residues (Ser235, Ser236, Ser240, and Ser244) located within a small, carboxy-terminal region of S6 protein (4,5).

Database Links

UniProt ID: P62753

Entrez-Gene Id: 6194

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® Total S6 Ribosomal Protein Sandwich ELISA Kit #7225