Cell Signaling Technology

Product Pathways - Transcription Factors

Aiolos (D1C1E) Rabbit mAb (Alexa Fluor® 488 Conjugate) #94568

Applications Dilution Species-Reactivity Sensitivity MW (kDa) Isotype
F 1:50 Human,Mouse, Endogenous Rabbit IgG

Species cross-reactivity is determined by western blot.

Applications Key: F=Flow Cytometry,

Specificity / Sensitivity

Aiolos (D1C1E) Rabbit mAb (Alexa Fluor® 488 Conjugate) recognizes endogenous levels of total Aiolos protein.

Source / Purification

Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Pro46 of human Aiolos protein.

Description

This Cell Signaling Technology antibody is conjugated to Alexa Fluor® 488 fluorescent dye and tested in-house for direct flow cytometric analysis in human cells. This antibody is expected to exhibit the same species cross-reactivity as the unconjugated Aiolos (D1C1E) Rabbit mAb #15103.

Flow Cytometry

Flow Cytometry

Flow cytometric analysis of U-937 cells (blue) and RPMI-8226 cells (green), using Aiolos (D1C1E) Rabbit mAb (Alexa Fluor® 488 Conjugate).

Background

Aiolos is an Ikaros family transcription factor composed of several zinc fingers that mediate DNA binding and homodimerization or heterodimerization with other Ikaros family members (1). Multiple Aiolos isoforms are generated through alternative splicing of the portion of the transcript encoding the amino-terminal zinc fingers (2). Aiolos is expressed by lymphoid tissues, with highest expression levels seen in mature B and T cells (1). Ikaros family proteins control lymphocyte development by recruiting chromatin remodeling complexes to DNA (3). B cells from mice lacking Aiolos have a reduced threshold for activation, increased proliferation, and elevated levels of IgG and IgE. In addition, Aiolos null mice develop B cell lymphomas (4). In T cells, Aiolos contributes to Th17 cell differentiation by suppressing IL-2 expression (5). Aberrant expression of Aiolos in transformed epithelial cells promotes anchorage independence through downregulation of adhesion-related genes (6). Alterations in the Aiolos gene are observed in near haploid acute lymphoblastic leukemia, and the genetic locus containing Aiolos is linked to increased susceptibility to rheumatoid arthritis and systemic lupus erythematosus (7-9).

  1. Morgan, B. et al. (1997) EMBO J 16, 2004-13.
  2. Liippo, J. et al. (2001) Eur J Immunol 31, 3469-74.
  3. Kim, J. et al. (1999) Immunity 10, 345-55.
  4. Wang, J.H. et al. (1998) Immunity 9, 543-53.
  5. Quintana, F.J. et al. (2012) Nat Immunol 13, 770-7.
  6. Li, X. et al. (2014) Cancer Cell 25, 575-89.
  7. Holmfeldt, L. et al. (2013) Nat Genet 45, 242-52.
  8. Kurreeman, F.A. et al. (2012) Am J Hum Genet 90, 524-32.
  9. Lessard, C.J. et al. (2012) Am J Hum Genet 90, 648-60.

Application References

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Protocols

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For Research Use Only. Not For Use In Diagnostic Procedures.

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.

Alexa Fluor is a registered trademark of Life Technologies Corporation.

The Alexa Fluor dye conjugates in this product are sold under license from Life Technologies Corporation, for research use only excluding use in combination with DNA microarrays and high content screening (HCS).

This product is provided under an intellectual property license from Life Technologies Corporation. The transfer of this product is contingent on the buyer using the purchased product solely in research, including use with HCS or other automated imaging applications but excluding use in combination with DNA microarrays. The buyer must not sell or otherwise transfer this product or its components for (a) diagnostic, therapeutic or prophylactic purposes; (b) testing, analysis or screening services, or information in return for compensation on a per-test basis; (c) manufacturing or quality assurance or quality control, or (d) resale, whether or not resold for use in research. For information on purchasing a license to this product for purposes other than as described above, contact Life Technologies Corporation, 5791 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@lifetech.com.

Cell Signaling Technology® is a trademark of Cell Signaling Technology, Inc.

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