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HELIOS Monoclonal Antibody (22F6), FITC, eBioscience™
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FIGURE: 1 / 12
HELIOS Antibody (11-9883-82) in Flow
Intracellular staining of normal human peripheral blood cells with Anti-Human Foxp3 eFluor® 450 (Product # 48-4776-42) and Armenian Hamster IgG Isotype Control FITC (Product # 11-4888-81) (left) or Anti-Helios FITC (right) using Foxp3 Fixation and Permeabilization Buffers (Product # 00-5521-00). CD4+ cells in the lymphocyte gate were used for analysis.
Product Details
11-9883-82
Applications
Tested Dilution
Publications
Product Specifications
Species Reactivity
Dog,
Human,
Mouse
Published species
Human,
Mouse
Host/Isotype
Armenian hamster
/ IgG
Recommended Isotype Control
Class
Monoclonal
Type
Antibody
Clone
22F6
Conjugate
Excitation/Emission Max
498/517 nm
View spectra
Form
Liquid
Concentration
0.5 mg/mL
Amount
100 µg
Purification
Affinity chromatography
Storage buffer
PBS, pH 7.2
Contains
0.09% sodium azide
Storage conditions
4°C, store in dark, DO NOT FREEZE!
Shipping conditions
Ambient (domestic); Wet ice (international)
RRID
Product Specific Information
Description: This 22F6 monoclonal antibody reacts with human, mouse and canine Helios. Helios is a zinc-finger transcription factor first identified for its similarity to Ikaros. It is expressed in hematopoietic stem cells in both the embryo and adult mice. While the highest expression is found in regulatory T cells, Helios is not expressed in mature B cells, dendritic cells or myeloid cells. Helios can form a homodimer as well as heterodimerize with other Ikaros family members to regulate transcription. Eight isoforms of Helios exist, some of which possess a dominant-negative function that has also been found to be upregulated in lymphoid malignancies, including T-acute lymphoblastic leukemia.
22F6 has been reported to cross react with rat Helios.
Applications Reported: This 22F6 antibody has been reported for use in intracellular staining followed by flow cytometric analysis.
Applications Tested: This 22F6 antibody has been tested by intracellular staining and flow cytometric analysis of normal human peripheral blood cells using Foxp3 Fixation and Permeabilization Buffers (Product # 00-5521-00). Please see BestProtocols® Section (Staining intracellular Antigens for Flow Cytometry) for staining protocol (refer to Protocol B: One-step protocol for intracellular (nuclear) proteins). This can be used at less than or equal to 0.125 µg per test. A test is defined as the amount (µg) of antibody that will stain a cell sample in a final volume of 100 µL. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test. It is recommended that the antibody be carefully titrated for optimal performance in the assay of interest.
Excitation: 488 nm; Emission: 520 nm; Laser: Blue Laser.
Filtration: 0.2 µm post-manufacturing filtered.
Target Information
This gene encodes a member of the Ikaros family of zinc-finger proteins. Three members of this protein family (Ikaros, Aiolos and Helios) are hematopoietic-specific transcription factors involved in the regulation of lymphocyte development. This protein forms homo- or hetero-dimers with other Ikaros family members, and is thought to function predominantly in early hematopoietic development. Multiple transcript variants encoding different isoforms have been found for this gene, but the biological validity of some variants has not been determined.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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Bioinformatics
Protein Aliases: Ikaros family zinc finger protein 2; transcription factor; unnamed protein product; zinc finger DNA binding protein Helios; Zinc finger protein Helios; zinc finger protein, subfamily 1A, 2 (Helios)
Gene Aliases: A730095J18Rik; ANF1A2; HELIOS; ICHAD; IKZF2; IMDIA; Zfpn1a2; ZNF1A2; ZNFN1A2
UniProt ID: (Human) Q9UKS7, (Mouse) P81183
Entrez Gene ID: (Dog) 488510, (Human) 22807, (Mouse) 22779
RNA polymerase II core promoter proximal region sequence-specific DNA binding
DNA binding
transcription factor activity, sequence-specific DNA binding
protein binding
zinc ion binding
identical protein binding
metal ion binding
nucleic acid binding
protein homodimerization activity
protein heterodimerization activity
C2H2 zinc finger transcription factor
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If an Invitrogen™ antibody doesn't perform as described on our website or datasheet,we'll replace the product at no cost to you, or provide you with a credit for a future purchase.*
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