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You are here:Home » Antibodies » Antibodies-Enzymes, Oxidase » Anti -INDO (IDO, Indoleamine 2,3-dioxygenase 1, IDO-1, Indoleamine-pyrrole 2,3-dioxygenase, IDO1)

Anti -INDO (IDO, Indoleamine 2,3-dioxygenase 1, IDO-1, Indoleamine-pyrrole
2,3-dioxygenase, IDO1)


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Clone Host Grade Applications
Polyclonal Rabbit Affinity Purified B IH
IDO1 is an intracellular heme-containing enzyme of 45kD that catalyzes the oxidative cleavage of the indole ring of several important regulatory molecules, like tryptophan, serotonin and melatonin. By doing this, IDO1 initiates the production of biologically active metabolites, commonly referred to as kynurenines. IDO1 is widely expressed in a variety of human tissues as well as in macrophages and dendritic cells (DCs). In inflammation, interferons (IFNs) act on specific receptors to trigger IDO1 induction. The production of IFN-gamma and induction of IDO1 represent important antimicrobial mechanisms. Degradation and depletion of tryptophan by IDO1 inhibits the growth of viruses, bacteria and parasites. Furthermore, IDO1 plays a complex and crucial role in immunoregulation during infection, pregnancy, autoimmunity, transplantation, and neoplasia. By local depletion of tryptophan and increasing proapoptotic kynurenines, IDO1 greatly affects T-cell proliferation and survival, both in vitro and in vivo, and also affects B-cell and NK-cell function and survival. There is a central role for IDO1 expression in tolerance involving regulatory cells and DCs. IDO1 acts as an intermediate pathway in LPS-induced production of reactive oxygen species and NF-kappaB activation, two processes that lead to DC maturation. In addition to classic IDO (IDO1) indoleamine 2,3-dioxygenase-2, indoleamine 2,3-dioxygenase-like protein or proto-indoleamine 2,3 dioxygenase (IDO2, IDO-2, INDOL1 or proto-IDO) has been described.
Catalog #I7545-09
ApplicationsSuitable for use in Western Blot and Immunohistochemistry. Other applications not tested.
Recommended DilutionImmunohistochemistry: Frozen
Immunohistochemistry (Paraffin): Epitopes are unmasked by heating at 60°C in 10mM sodium citrate, pH6.0, for 60min.
Western Blot: 1:50
Optimal dilutions to be determined by the researcher.
Storage and StabilityMay be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Clone TypePolyclonal
FormSupplied as a liquid in PBS, 0.1% BSA, 0.02% sodium azide.
PurityPurified by Protein A affinity chromatography.
ImmunogenA mixture of three rat IDO peptides: MPHSQISPAEGSRRILEEY (aa1-19), LFSFPGGDCDKGFFLVSLMVE (aa155-176), and VKPSKQKPMGGHKSEEPS (aa359-376) conjugated to KLH.
SpecificityRecognizes rat indoleamine 2,3-dioxygenase 1 (IDO1 or INDO). It does not recognize IDO2. Species Crossreactivity: mouse.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

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