| Product Name | Human Krueppel-like factor 4 (KLF4) ELISA Kit |
|---|---|
| Description | Krueppel-like factor 4 acts as a transcriptional activator or repressor depending on the promoter context and/or cooperation with other transcription factors. For example, Klf4 transactivates the iNOS promoter in cooperation with p65 (RelA), and the p21Cip1/Waf1 promoter in cooperation with p53, but it directly suppresses the p53 promoter and inhibits ornithine decarboxylase promoter activity by competing with specificity protein-1 (Sp-1). Klf4 also interacts with the p300/CBP transcription co-activators.KLF4 also contains a potential nuclear localization signal. The human KLF4 protein shares 91% sequence identity with mouse Ezf. Northern blot analysis detected a 3.5-kb KLF4 transcript in RNA from both human umbilical vein endothelial cells and human aortic endothelial cells. This assay has high sensitivity and excellent specificity for detection of Human KLF4. No significant cross-reactivity or interference between Human KLF4 and analogues was observed. |
| Synonyms | EZF, GKLF, endothelial Kruppel-like zinc finger protein |
| Method | Sandwich ELISA |
| Detection Range | 0.156-10 ng/mL |
| Sensitivity | 0.058 ng/mL |
| Reactivity | Human |
| Sample Types | Serum, Plasma, Other biological fluids. |
| Background | Krueppel-like factor 4 acts as a transcriptional activator or repressor depending on the promoter context and/or cooperation with other transcription factors. For example, Klf4 transactivates the iNOS promoter in cooperation with p65 (RelA), and the p21Cip1/Waf1 promoter in cooperation with p53, but it directly suppresses the p53 promoter and inhibits ornithine decarboxylase promoter activity by competing with specificity protein-1 (Sp-1). Klf4 also interacts with the p300/CBP transcription co-activators.KLF4 also contains a potential nuclear localization signal. The human KLF4 protein shares 91% sequence identity with mouse Ezf. Northern blot analysis detected a 3.5-kb KLF4 transcript in RNA from both human umbilical vein endothelial cells and human aortic endothelial cells. |
| Supplier | Abebio |
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