Abcam, ab70303, Anti-CTCF antibody

Size: 100µL
Anti-CTCF antibody (ab70303) is a rabbit polyclonal antibody detecting CTCF in Western Blot, IP, IHC-P . Suitable for Human, Mouse . - Over 80 publications - Trusted since 2008
Key facts
Host species:Rabbit,
Clonality:Polyclonal,
Isotype:IgG,
Carrier free:No,
Reacts with:Mouse, Human,
Applications:WB, IHC-P, IPSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Immunogen:Synthetic Peptide within Human CTCF aa 650-700. The exact immunogen used to generate this antibody is proprietary information.P49711

Product details:
What is this antibody validated in?
Anti-CTCF antibody (ab70303) is a rabbit polyclonal antibody and is validated for use in Western Blot (WB), Immunoprecipitation (IP), Immunohistochemistry (IHC-P) in Human, Mouse samples.
Trusted by the scientific community
Anti-CTCF (ab70303) was first used in a scientific publication in 2008 and has been cited over 80 times in peer-reviewed journals.
Reviewed by scientists
Anti-CTCF (ab70303) has over 10 independent reviews from customers.

Properties and Storage Information:
Form-Liquid, Purification technique-Affinity purification Immunogen, Purification notes-ab70303 was affinity purified using an epitope specific to CTCF immobilized on solid support., Storage buffer-pH: 6.8 - 7.4Preservative: 0.09% Sodium azideConstituents: PBS, 1.815% Tris, 1.764% Sodium citrate, Shipped at conditions-Blue Ice, Appropriate short-term storage duration-1-2 weeks, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions-+4°C, Aliquoting information-Upon delivery aliquot, Storage information-Avoid freeze / thaw cycle, Do Not Freeze

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
CTCF also known as the CCCTC-binding factor is a highly conserved zinc finger protein involved in transcriptional regulation and chromatin organization. It has a molecular weight of approximately 82 kDa. The CTCF protein plays a critical mechanical role in controlling the three-dimensional architecture of the genome by binding to specific DNA sequences and forming chromatin loops. It is widely expressed in various cell types across tissues where it acts as a transcriptional repressor and activator depending on the context. CTCF immunofluorescence techniques enable the visualization of its dynamic distribution and expression within the nucleus.
Biological function summary
The multipurpose CTCF protein acts in coordinating the spatial organization of the genome. It functions as an insulator by regulating the boundaries between different chromosomal domains and controlling gene expression. CTCF operates within various complexes interacting with cohesin a vital protein complex that facilitates loop formation and influences genome architecture. This interaction helps in maintaining the integrity of the genome structure and proper chromatin insulation which are essential for normal gene function.
Pathways
CTCF plays significant roles in epigenetic regulatory networks and transcriptional pathways. In the epigenetic landscape it influences gene expression through modulation of DNA methylation states at CpG islands interacting with proteins like DNA methyltransferases. In transcriptional pathways CTCF interacts with nuclear factor Y (NF-Y) which contributes to cell cycle regulation by modulating the expression of cell cycle genes. These pathways reflect CTCF's versatility in gene regulation and its influence on maintaining cellular homeostasis.
CTCF disruptions have been implicated in cancer and intellectual disabilities. Mutations or altered expression of CTCF can lead to tumorigenesis as CTCF acts as a tumor suppressor by controlling oncogene and tumor suppressor gene expression. In intellectual disabilities CTCF mutations affect brain development by disrupting the expression of neuronal genes. The protein's interaction with cohesin has links to disorders such as Cornelia de Lange syndrome where cohesin complex dysfunction parallels the phenotypes seen with CTCF aberrations.