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HELIOS Monoclonal Antibody (22F6), APC-eFluor™ 780, eBioscience™
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HELIOS Antibody (47-9883-41) in Flow
Intracellular staining of BALB/c lymph node cells with Anti-Mouse/Rat Foxp3 APC (Product # 17-5773-82) and Armenian Hamster IgG Isotype Control APC-eFluor® 780 (Product # 47-4888-80) (left) or Anti-Helios APC-eFluor® 780 (right) using the Foxp3/Transcription Factor Staining Buffer Set (Product # 00-5523-00) and protocol. CD4+ T cells in the lymphocyte gate were used for analysis.
Please note: We are reviewing Western blot images included in the antibody testing data in our catalog, including those provided by third parties. Unless expressly labeled or annotated as “raw-unedited”, Western blot images included in the antibody testing data in our catalog may have been edited, optimized or otherwise adjusted for presentation.
Product Details
47-9883-41
Applications
Tested Dilution
Publications
Product Specifications
Published species
Mouse
Host/Isotype
Armenian hamster
/ IgG
Recommended Isotype Control
Class
Monoclonal
Type
Antibody
Clone
22F6
Conjugate
APC-eFluor™ 780
APC-eFluor™ 780
APC-eFluor™ 780
Excitation/Emission Max
756/785 nm
View spectra
Form
Liquid
Concentration
5 µL/Test
Storage conditions
4°C, store in dark, DO NOT FREEZE!
Shipping conditions
Wet ice
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 pre-titrated and tested by intracellular staining and flow cytometric analysis of mouse lymph node cells using the using the Foxp3/Transcription Factor Buffer Set (Product # 00-5523-00) and protocol. 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 antibody can be used at 5 µL (0.015 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.
APC-eFluor® 780 emits at 780 nm and is excited with the Red laser (633 nm). Please make sure that your instrument is capable of detecting this fluorochrome.
Light sensitivity: This tandem dye is sensitive to photo-induced oxidation. Please protect this vial and stained samples from light.
Fixation: Samples can be stored in IC Fixation Buffer (Product # 00-8222) (100 µL of cell sample + 100 µL of IC Fixation Buffer) or 1-step Fix/Lyse Solution (Product # 00-5333) for up to 3 days in the dark at 4°C with minimal impact on brightness and FRET efficiency/compensation. Some generalizations regarding fluorophore performance after fixation can be made, but clone specific performance should be determined empirically.
Excitation: 633-647 nm; Emission: 780 nm; Laser: Red 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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