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AB281157

Anti-CHOP antibody [EPR23895-168] - BSA and Azide free (Capture)

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Rabbit Recombinant Monoclonal CHOP antibody. Carrier free. Suitable for sELISA and reacts with Human samples.

View Alternative Names

CHOP, CHOP10, GADD153, DDIT3, DNA damage-inducible transcript 3 protein, DDIT-3, C/EBP zeta, C/EBP-homologous protein, C/EBP-homologous protein 10, CCAAT/enhancer-binding protein homologous protein, Growth arrest and DNA damage-inducible protein GADD153, CHOP-10

1 Images
Sandwich ELISA - Anti-CHOP antibody [EPR23895-168] - BSA and Azide free (Capture) (AB281157)
  • sELISA

Lab

Sandwich ELISA - Anti-CHOP antibody [EPR23895-168] - BSA and Azide free (Capture) (AB281157)

Sandwich ELISA of ab253597 with the capture antibody ab281157 dilution at 2 µg/mL and detector antibody ab281007 dilution at 0.5 µg/mL.

Key facts

Host species

Rabbit

Clonality

Monoclonal

Clone number

EPR23895-168

Isotype

IgG

Carrier free

Yes

Reacts with

Human

Applications

sELISA

applications

Immunogen

The exact immunogen used to generate this antibody is proprietary information.

Reactivity data

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Product details

ab281157 is a BSA and Azide Free antibody supplied in an unconjugated format and it is suitable for sandwich ELISAs to quantify Human CHOP / DDIT3. The recommended pair for sandwich ELISA is:
Capture: ab281157, Human CHOP Capture Antibody (unconjugated)
Detector: ab281007, Human CHOP Detector Antibody (unconjugated)
The reference range value is 125 - 8000 pg/mL.

Previously called Anti-DDIT3 antibody [EPR23895-168] - BSA and Azide free (Capture). The name of this product has been changed, there have been no other changes to the product.

Patented technology
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.

What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:

  • - High batch-to-batch consistency and reproducibility
  • - Improved sensitivity and specificity
  • - Long-term security of supply
  • - Animal-free batch production

For more information, read more on recombinant antibodies.

Conjugation ready
Our carrier-free antibodies are typically supplied in a PBS-only formulation, purified and free of BSA, sodium azide and glycerol. This conjugation-ready format is designed for use with fluorochromes, metal isotopes, oligonucleotides, and enzymes, which makes them ideal for antibody labelling, functional and cell-based assays, flow-based assays (e.g. mass cytometry) and Multiplex Imaging applications.

Use our conjugation kits for antibody conjugates that are ready-to-use in as little as 20 minutes with 1 minute hands-on-time and 100% antibody recovery: available for fluorescent dyes, HRP, biotin and gold.

Sandwich ELISA
The recommended antibody orientation is based on internal optimization for ELISA-based assays. Antibody orientation is assay dependent and needs to be optimized for each assay type. Please note that the range provided for this antibody is only an estimation based on the performance of the product using the recommended antibody pair. Performance of the antibody pair will depend on the specific characteristics of your assay. We guarantee the product works in sandwich ELISA, but we do not guarantee the sensitivity or dynamic range of the antibody in your assay.

Properties and storage information

Form
Liquid
Purification technique
Affinity purification Protein A
Storage buffer
Constituents: PBS
Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
+4°C

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

DDIT3 also known as CHOP (C/EBP homologous protein) is a transcription factor commonly expressed in cells under stress conditions such as endoplasmic reticulum stress. It has a molecular weight of approximately 29 kDa. As part of the system that manages cell stress responses DDIT3 expression can occur in various tissues but it is particularly notable in the context of cellular stress regulation. Researchers often use DDIT3 immunohistochemistry to study its presence and expression pattern in different tissues.
Biological function summary

DDIT3 plays a significant role in mediating cellular stress responses and promoting apoptosis when adaptive pathways fail. DDIT3 is not typically part of a multi-subunit complex but it acts in concert with other stress-related proteins to modulate gene expression. By inducing apoptosis DDIT3 helps remove severely damaged cells maintaining overall tissue health. However excessive DDIT3 activity under prolonged stress can lead to cell loss and tissue damage.

Pathways

DDIT3 is involved in the unfolded protein response (UPR) and endoplasmic reticulum stress pathways. It interacts with proteins such as ATF4 and PERK which are part of the mechanism that governs these pathways. DDIT3 induction contributes to the UPR pathway balancing the cell's fate between repair and apoptosis. This balance is important for cell survival under stress and avoids detrimental cellular damage.

DDIT3 has a strong connection with diabetes and neurodegenerative diseases. In diabetes DDIT3 overactivation can result in pancreatic beta-cell apoptosis worsening the disease's progression. Furthermore its involvement in neurodegenerative diseases includes its association with the accumulation of misfolded proteins exacerbating cellular stress conditions. DDIT3's interaction with proteins such as BCL2 further influences disease pathways by enhancing apoptotic signals.

Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:

Target data

Multifunctional transcription factor in endoplasmic reticulum (ER) stress response (PubMed : 15322075, PubMed : 15775988, PubMed : 19672300). Plays an essential role in the response to a wide variety of cell stresses and induces cell cycle arrest and apoptosis in response to ER stress (PubMed : 15322075, PubMed : 15775988). Plays a dual role both as an inhibitor of CCAAT/enhancer-binding protein (C/EBP) function and as an activator of other genes (By similarity). Acts as a dominant-negative regulator of C/EBP-induced transcription : dimerizes with members of the C/EBP family, impairs their association with C/EBP binding sites in the promoter regions, and inhibits the expression of C/EBP regulated genes (By similarity). Positively regulates the transcription of TRIB3, IL6, IL8, IL23, TNFRSF10B/DR5, PPP1R15A/GADD34, BBC3/PUMA, BCL2L11/BIM and ERO1L (PubMed : 15775988, PubMed : 17709599, PubMed : 20876114, PubMed : 22761832). Negatively regulates; expression of BCL2 and MYOD1, ATF4-dependent transcriptional activation of asparagine synthetase (ASNS), CEBPA-dependent transcriptional activation of hepcidin (HAMP) and CEBPB-mediated expression of peroxisome proliferator-activated receptor gamma (PPARG) (PubMed : 18940792, PubMed : 19672300, PubMed : 20829347). Together with ATF4, mediates ER-mediated cell death by promoting expression of genes involved in cellular amino acid metabolic processes, mRNA translation and the unfolded protein response (UPR) in response to ER stress (By similarity). Inhibits the canonical Wnt signaling pathway by binding to TCF7L2/TCF4, impairing its DNA-binding properties and repressing its transcriptional activity (PubMed : 16434966). Plays a regulatory role in the inflammatory response through the induction of caspase-11 (CASP4/CASP11) which induces the activation of caspase-1 (CASP1) and both these caspases increase the activation of pro-IL1B to mature IL1B which is involved in the inflammatory response (By similarity). Acts as a major regulator of postnatal neovascularization through regulation of endothelial nitric oxide synthase (NOS3)-related signaling (By similarity).
See full target information DDIT3

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