Product datasheet C/EBP alpha/beta Transcription Factor Assay Kit (Colorimetric) ab207199 2 Images Overview Product name C/EBP alpha/beta Transcription Factor Assay Kit (Colorimetric) Detection method Colorimetric Sample type Nuclear Extracts Assay type Semi-quantitative Sensitivity < 500 ng/well Assay time 3h 30m Species reactivity Reacts with: Mouse, Rat, Human Product overview C/EBP alpha/beta Transcription Factor Assay Kit (Colorimetric) (ab207199) is a high throughput assay to quantify C/EBP alpha/beta activation in nuclear extracts. This assay combines a quick ELISA format with a sensitive and specific non-radioactive assay for transcription factor activation. A specific double stranded DNA sequence containing the C/EBP alpha/beta consensus binding site (5’ –GCAAT– 3´) has been immobilized onto a 96-well plate. Active C/EBP alpha/beta present in the nuclear extract specifically binds to the oligonucleotide. C/EBP alpha/beta is detected by a primary antibody that recognizes an epitope of C/EBP alpha/beta accessible only when the protein is activated and bound to its target DNA. An HRP-conjugated secondary antibody provides sensitive colorimetric readout at OD 450 nm. This product detects human, mouse and rat C/EBP alpha/beta. Key performance and benefits: Assay time: 3.5 hours (cell extracts preparation not included). Detection limit: < 0.5 µg nuclear extract/well. Detection range: 0.5 – 10 µg nuclear extract/well. Notes C/EBPs (CCAAT-enhancer binding protein) basic leucine zipper transcription factors play an important role in regulating the balance between cell growth and differentiation. Expression of C/EBP is a function of tissue type as well as temporal period of development. C/EBP beta is an important transcriptional activator involved in the regulation of several genes related to immune and inflammatory response and lipid storage. In addition, C/EBP beta is 1 required for macrophage and B-cell development. The C/EBP beta regulator also plays a role in the IFN-signaling pathways and is a mediator of IL-6 signaling. C/EBP beta expression is enhanced by cytokines during acute phase reactions and may mediate the increase of acute phase proteins. In other systems, expression of C/EBP beta has been reported to be modulated by growth factor and C/EBP beta participates in growth hormone-regulated gene expression. Physiological and functional interactions of C/EBP with NFkB, Sp1 and other proteins have also been observed. C/EBP alpha is a master regulator of myeloid progenitors, cooperates with other transcription factors and plays a critical role in early granulocyte development. Furthermore, C/EBP alpha is an inhibitor of cell proliferation, and is down-regulated in a large proportion of lung cancers. There is a temporal order of expression for C/EBP alpha and C/EBP beta in differentiating cells, and C/EBP beta is often required for expression of C/EBP alpha. While C/EBP beta is induced early during adipocyte differentiation, C/EBP alpha is required in the late phase of adipocyte differentiation and up-regulates the battery of fat-specific genes required for the synthesis, uptake and storage of long chain fatty acids. Tested applications Suitable for: Functional Studies Properties Storage instructions Please refer to protocols. Components 1 x 96 tests 5 x 96 tests 10X Antibody Binding Buffer 1 x 2.2ml 1 x 11ml 10X Wash Buffer 1 x 22ml 1 x 110ml 96-well C/EBP assay plate 1 unit 5 units Anti-rabbit HRP-conjugated IgG 1 x 11µl 1 x 55µl Binding Buffer 1 x 10ml 1 x 50ml C/EBP alpha beta antibody 1 x 11µl 1 x 55µl Developing Solution 1 x 11ml 1 x 55ml Dithiothreitol (DTT) (1 M) 1 x 100µl 1 x 500µl Herring sperm DNA (1 μg/μL) 1 x 100µl 1 x 500µl Lysis Buffer 1 x 10ml 1 x 50ml Mutated oligonucleotide (20 pmol/µL) 1 x 100µl 1 x 500µl Plate sealer 1 unit 5 units Positive control nuclear extract (2.5 µg/µL) 1 x 40µl 1 x 200µl Protease Inhibitor Cocktail 1 x 100µl 1 x 500µl Stop Solution 1 x 11ml 1 x 55ml Wild-type oligonucleotide (20 pmol/µL) 1 x 100µl 1 x 500µl Cellular localization CEBP Alpha: Nucleus. CEBP Beta: Nucleus. Applications 2 Our Abpromise guarantee covers the use of ab207199 in the following tested applications. The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user. Application Abreviews Functional Studies Notes Use at an assay dependent concentration. C/EBP alpha/beta Transcription Factor Assay Kit (Colorimetric) images Different amounts of unstimulated Jurkat (grey) and U-937 (black) were tested for C/EBP beta activation. These results are provided for demonstration purposes only. Different amounts of unstimulated Jurkat (Gray) and U-937 (Black) were tested for C/EBP beta activation. These results are provided for demonstration purposes only. Different amounts of unstimulated Jurkat (grey) and U-937 (black) were tested for C/EBP alpha activation. These results are provided for demonstration purposes only. Different amounts of unstimulated Jurkat (Gray) and U-937 (Black) were tested for C/EBP alpha activation. These results are provided for demonstration purposes only. Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE" Our Abpromise to you: Quality guaranteed and expert technical support Replacement or refund for products not performing as stated on the datasheet Valid for 12 months from date of delivery Response to your inquiry within 24 hours We provide support in Chinese, English, French, German, Japanese and Spanish Extensive multi-media technical resources to help you We investigate all quality concerns to ensure our products perform to the highest standards If the product does not perform as described on this datasheet, we will offer a refund or replacement. For full details of the Abpromise, please visit http://www.abcam.com/abpromise or contact our technical team. 3 Terms and conditions Guarantee only valid for products bought direct from Abcam or one of our authorized distributors 4