IDO2 Antibody (1001802) [Unconjugated]

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IDO2 was detected in immersion fixed paraffin-embedded sections of human liver using Mouse Anti-Human IDO2 Monoclonal Antibody (Catalog # MAB10098) at 5 µg/mL for 1 hour at room temperature followed by ...read more

Product Details

Summary
Reactivity HuSpecies Glossary
Applications IHC
Clone
1001802
Clonality
Monoclonal
Host
Mouse
Conjugate
Unconjugated

Order Details

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Catalog# & Formulation Size Price

IDO2 Antibody (1001802) [Unconjugated] Summary

Immunogen
Synthetic peptide containing  human IDO2
Met1-Val407
Accession # Q6ZQW0
Specificity
Detects human IDO2 in direct ELISAs.
Source
N/A
Isotype
IgG1
Clonality
Monoclonal
Host
Mouse
Purity Statement
Protein A or G purified from hybridoma culture supernatant
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Immunohistochemistry 5-25 ug/mL

Packaging, Storage & Formulations

Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Reconstitution Instructions
Reconstitute at 0.5 mg/mL in sterile PBS.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for IDO2 Antibody (1001802) [Unconjugated]

  • EC 1.13.11.-
  • IDO2
  • Ido-2
  • INDOL1
  • INDOL1indoleamine-pyrrole 2,3 dioxygenase-like 1
  • indoleamine 2,3-dioxygenase 2
  • Indoleamine 2,3-dioxygenase-2
  • indoleamine 2,3-dioxygenase-like 1 protein
  • Indoleamine 2,3-dioxygenase-like protein 1
  • Indoleamine-pyrrole 2,3-dioxygenase-like protein 1

Background

Indoleamine 2,3-dioxygenase (IDO2) is a 47 kDa heme-containing cytosolic dioxygenase. Human IDO2 shares 64% aa sequence identity with mouse IDO2. IDO2 is one of three dioxygenases capable of catalyzing the first and rate-limiting step of the L-kynurenine pathway (KP): oxidative cleavage of the essential amino acid L-tryptophan to form N formyl kynurenine (1). Of these proteins, IDO1 and IDO2 are both related, monomeric enzymes but share only 38% aa sequence identity. The IDO isoforms are not functionally redundant. Although expression of IDO2 has been upregulated in some cancers (2,3), IDO2 expression is generally restricted to the liver, kidney, brain, and certain immune cell types unlike the more ubiquitously expressed indoleamine 2,3-dioxygenase (IDO) (1). Differential inhibition of IDO1 and IDO2 is observed with several molecules (4,5). IDO2 has significantly lower tryptophan catabolic activity than IDO1 and TDO2 (4, 6-8) suggesting it does not play a significant physiological role in the KP. Instead, IDO2 may have an alternative functional role: either non-enzymatic or utilizing a more physiologically relevant substrate (5,7).  IDO2 function operates as a pro-inflammatory mediator in autoimmune inflammatory disorders (8, 9-11). It is a candidate for co-therapeutic targeting for treatment in these diseases (10-11).
  1. Prendergast, G.C. et al. (2014) Front. Immunol. 5:585.
  2. Witkiewicz, A.K. et al. (2009) J. Am. Coll. Surg. 208:781.
  3. Lob, S. et al. (2009) Cancer Immunol. Immunother. 58:153.
  4. Meininger, D. et al. (2011) Biochim. Biophys. Acta. 1814:1947.
  5. Pantouris, G. et al. (2014) Amino Acids 46:2155.
  6. Ball, H.J. et al. (2007) Gene 396:203.
  7. Yuasa, H.J. et al. (2009) Comp. Biochem. Physiol. B. Biochem. Mol. Biol. 153:137.
  8. Metz, R. et al. (2014) Int. Immunol. 26:357.
  9. Merlo, L.M.F. et al. (2014) J. Immunol. 192:2082.
  10. Merlo, L.M. and L. Mandik-Nayak (2016) Clin. Med. Insights Pathol. 9:21.
  11. Merlo, L.M.F. et al (2017) Clin. Immunol. 179:8.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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