Abcam, ab285290, Human FOXP3 ELISA Kit

Size: 96Test
Human FOXP3 ELISA Kit is a Sandwich (quantitative) ELISA for the measurement of Human FOXP3 in Human in Biofluids, Cell/Tissue Extracts samples.
Key facts
Detection method:Colorimetric,
Sample types:Plasma, Tissue Homogenate, Serum,
Reacts with:Human,
Assay type:Sandwich (quantitative),
Sensitivity:< 0.188 ng/mL,
Range:0.313 - 20 ng/mL,
Assay Platform:Microplate (12 x 8 well strips)

Product details:
This FOXP3 ELISA kit (ab285290, K4224) is a sandwich ELISA assay for the quantitative measurement of human FOXP3 in serum, plasma and cell culture supernatants. The density of color is proportional to the amount of FOXP3 captured from the samples.
This product is manufactured by BioVision, an Abcam company and was previously called K4224 FOXP3 (Human) ELISA Kit. K4224-100 is the same size as the 96 test size of ab285290.

Properties and Storage Information:
Shipped at conditions-Blue Ice, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions-+4°C, Storage information-+4°C

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
FOXP3 also recognized as Forkhead box P3 is a transcription factor critical for immune system function. It weighs approximately 47 kDa. FOXP3 is mainly expressed in regulatory T cells (Tregs) which play a role in maintaining immune tolerance. Scientists primarily identify its presence in the nucleus where it facilitates transcriptional regulation. Methods like 'FOXP3 IHC' and 'FOXP3 IHC mouse' are useful for detecting this protein in tissue samples while 'FOXP3 antibodies' aid in research on this target. Techniques like 'FOXP3 staining' and 'FOXP3 flow cytometry' further allow for the analysis of its expression and function.
Biological function summary
This transcription factor operates by regulating the expression of a variety of genes involved in Treg cell development and function. FOXP3 can interact with other proteins to form complexes that modulate gene expression. Its role is essential in enabling Tregs to suppress immune responses a process necessary for preventing autoimmunity. The interaction extends to other key regulators within Tregs such as the protein complex 221D which may have overlapping functional responsibilities. 'FOXP3 236a/E7' reflects its genetic variants detectable in different studies providing insights into its biological functions.
Pathways
FOXP3 is a significant player within the immune regulation pathway. It integrates into the TGF-beta signaling pathway in which it controls the expression of genes important for Treg functions. The protein recruits other transcription factors like NF-kB coordinating intricate network regulations within immune cells. FOXP3's activity orchestrates the balance between immune activation and suppression ensuring a well-functioning immune response that prevents overreactions leading to autoimmune conditions.
FOXP3 mutations or dysregulation can link to autoimmune diseases like immune dysregulation polyendocrinopathy enteropathy X-linked syndrome (IPEX). This transcription factor's malfunction implicates cancer where inadequate Treg function can either suppress antitumor immunity or result in tumor progression. Proteins such as CTLA-4 which is also involved in immune regulation connect to FOXP3 in these contexts emphasizing FOXP3’s significant role in maintaining immune homeostasis and its impact on disease development.