Abcam, ab214487, Anti-Claudin 3 antibody [EPR19971]

Size: 20µL / 100µL / 1mL
Anti-Claudin 3 antibody [EPR19971] (ab214487) is a rabbit monoclonal antibody detecting Claudin 3 in Western Blot, Flow Cytometry (Intra), Flow Cytometry, IP, IHC-P, ICC/IF . Suitable for Human . - Biophysical QC for unrivalled batch-batch consistency
Key facts
Host species:Rabbit,
Clonality:Monoclonal,
Clone number:EPR19971,
Isotype:IgG,
Carrier free:No,
Reacts with:Human,
Applications:ICC/IF, WB, IP, Flow Cyt (Intra), IHC-PSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Immunogen:The exact immunogen used to generate this antibody is proprietary information.

Product details:
What is this antibody validated in?
Anti-Claudin 3 antibody [EPR19971] (ab214487) is a rabbit recombinant monoclonal antibody and is validated for use in Western Blot (WB), Flow Cytometry (Intra), Flow Cytometry (Flow Cyt), Immunoprecipitation (IP), Immunohistochemistry (IHC-P), Immunocytochemistry/immunofluorescence (ICC/IF) in Human samples.
What is the molecular weight of Claudin 3?
Anti-Claudin 3 [EPR19971] (ab214487) specifically detects a band for Claudin 3 (UniProt: O15551) at a molecular weight of 23kDa.
Trial sizes available!
Test your antibody or perform pre-screening before committing to a larger quantity. Sold in 10µl.
Discover our selection of trial-size antibodies
Other related products
We have a range of other formats of antibody clone [EPR19971] also available for your convenience: ab214487, Carrier free -
ab222485
, PE -
ab306179
, APC -
ab306180
, HRP -
ab306181
, Alkaline Phosphatase -
ab308764
, Alexa Fluor® 488 -
ab309713
, Alexa Fluor® 647 -
ab310079
, Alexa Fluor® 594 -
ab310479
, Alexa Fluor® 555 -
ab312009
, Alexa Fluor® 568 -
ab312485
, Alexa Fluor® 750 -
ab321378
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

Properties and Storage Information:
Form-Liquid, Purification technique-Affinity purification Protein A, Storage buffer-pH: 7.2 - 7.4Preservative: 0.01% Sodium azideConstituents: PBS, 40% Glycerol (glycerin, glycerine), 0.05% BSA, 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--20°C, Aliquoting information-Upon delivery aliquot, Storage information-Avoid freeze / thaw cycle

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
The protein 'Claudin 3' also known simply as Claudin-3 or CLDN3 is an important component of tight junctions in epithelial and endothelial cells. Claudin 3 has a molecular weight of approximately 22 kDa. It is expressed in a variety of tissues including the liver lungs and kidneys. By forming channels within tight junctions Claudin 3 regulates paracellular transport and maintains the barrier properties of cell layers thereby playing a significant role in preserving cellular environments.
Biological function summary
Claudin 3 contributes to the establishment and function of tight junctions that create a selective barrier in epithelial cell layers. This protein works as part of a larger complex consisting of other claudin family members which together ensure the integrity and permeability of the barrier. Through these complexes Claudin 3 helps facilitate cell polarity and tissue homeostasis which are essential for normal cellular function and organization.
Pathways
Claudin 3 participates in signaling pathways such as the Wnt/beta-catenin pathway and the epidermal growth factor receptor (EGFR) pathway. Claudin 3 modulates these pathways alongside other claudin proteins and partners like zonula occludens proteins. These interactions are central to processes like tissue morphogenesis and wound healing where precise control of cellular communication and migration is required.
Claudin 3 is linked to various cancers including ovarian and prostate cancer. Its expression is often altered in tumor cells where its dysregulation can lead to the disruption of tight junctions and contribute to cancer progression. In ovarian cancer Claudin 3 interacts with matrix metalloproteinases (MMPs) influencing the metastatic potential of cancer cells. Understanding Claudin 3's role can provide insights into new therapeutic targets for managing epithelial barrier dysfunction in cancer.