PRODUCT CODE: ER1706-94

IDO Rabbit Polyclonal Antibody (ER1706-94)

Applications

  • WB

  • ICC

  • IHC-P

  • FC

REACTIVITY

  • Human

  • Mouse

Western blot analysis of IDO on human placenta tissue lysate using anti-IDO antibody at 1/500 dilution.
  • Western blot analysis of IDO on human placenta tissue lysate using anti-IDO antibody at 1/500 dilution.
  • ICC staining IDO in Hela cells (green). The nuclear counter stain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilised with 0.25% Triton X100/PBS.
  • ICC staining IDO in HUVEC cells (green). The nuclear counter stain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilised with 0.25% Triton X100/PBS.
  • Immunohistochemical analysis of paraffin-embedded human tonsil tissue using anti-IDO antibody. Counter stained with hematoxylin.
  • Immunohistochemical analysis of paraffin-embedded human spleen tissue using anti-IDO antibody. Counter stained with hematoxylin.
  • Flow cytometric analysis of HUVEC cells with IDO antibody at 1/100 dilution (red) compared with an unlabelled control (cells without incubation with primary antibody; black).
Western blot analysis of IDO on human placenta tissue lysate using anti-IDO antibody at 1/500 dilution.

Applications

  • WB

  • ICC

  • IHC-P

  • FC

REACTIVITY

  • Human

  • Mouse

SPECIFICATIONS

Product Type

Rabbit polyclonal primary

Product Name

IDO Rabbit Polyclonal Antibody (ER1706-94)

Immunogen

Recombinant protein within human ido aa 176-342.

Host

Rabbit

Positive Control

Human placenta tissue lysate, HUVEC, Hela, human tonsil tissue, human spleen tissue.

Conjugation

Unconjugated

Clonality

Polyclonal

PROPERTIES

Form

Liquid

Storage Condition

Store at +4C after thawing. Aliquot store at -20C or -80C. Avoid repeated freeze / thaw cycles.

Storage Buffer

1*PBS (pH7.4), 0.2% BSA, 50% Glycerol. Preservative: 0.05% Sodium Azide.

Concentration

1 ug/ul

PURIFICATION

Protein affinity purified

MOLECULAR WEIGHT

45 kDa

Isotype

IgG

APPLICATION DILUTION

  • WB

  • 1:500-1:2,000

  • ICC

  • 1:100-1:500

  • IHC-P

  • 1:50-1:200

  • FC

  • 1:50-1:100

TARGET

UNIPROT #

PROTEIN NAME

IDO

SEQUENCE SIMILARITIES

Belongs to the indoleamine 2,3-dioxygenase family.

TISSUE SPECIFICITY

Expressed in mature dendritic cells located in lymphoid organs (including lymph nodes, spleen, tonsils, Peyers's patches, the gut lamina propria, and the thymic medulla), in some epithelial cells of the female genital tract, as well as in endothelial cells of term placenta and in lung parenchyma. Weakly or not expressed in most normal tissues, but mostly inducible in most tissues. Expressed in more than 50% of tumors, either by tumoral, stromal, or endothelial cells (expression in tumor is associated with a worse clinical outcome). Not overexpressed in tumor-draining lymph nodes.

SUBCELLULAR LOCATION

Cytoplasm.

FUNCTION

Indoleamine 2,3-dioxygenase (IDO) is an IFN-γ inducible enzyme that catalyzes the degradation of the essential amino acid L-tryptophan to N-formylkynurenine. The gene encoding human IDO maps to chromosome 8p12-p11. IDO, also known as INDO, is an important modulator of immunological responses and protects allogeneic concepti from alloreactive maternal lymphocytes. IDO mediates an interesting inhibitory effect of HeLa cells co-cultured with human PBLs. The ILN-2-induced proliferation response of PBLs is diminished in the presence of HeLa cells while an IDO inhbitor negates this effect. Flow cytometric analysis indicates both mature and immature CD123-positive dentritic cells suppress T cell activity using IDO. IDO-transfected cells co-cultured with T cells reduces T cell proliferation. Additionally, adopted transfer of donor T cells reduces donor T cell numbers in IDO-transgenic mice. The pharmacological or genetic manipulation of IDO may be useful for supressing undesirable T cell response.