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Indoleamine 2,3-dioxygenase 1

Indo, indoleamine 2,3-dioxygenase, IDO
This gene encodes indoleamine 2,3-dioxygenase (IDO) - a heme enzyme that catalyzes the first and rate-limiting step in tryptophan catabolism to N-formyl-kynurenine. This enzyme acts on multiple tryptophan substrates including D-tryptophan, L-tryptophan, 5-hydroxy-tryptophan, tryptamine, and serotonin. This enzyme is thought to play a role in a variety of pathophysiological processes such as antimicrobial and antitumor defense, neuropathology, immunoregulation, and antioxidant activity. Through its expression in dendritic cells, monocytes, and macrophages this enzyme modulates T-cell behavior by its peri-cellular catabolization of the essential amino acid tryptophan.[provided by RefSeq, Feb 2011] (from NCBI)
Top mentioned proteins: CAN, ACID, V1a, HAD, IL-10
Papers using Indo antibodies
To reg or not to reg: that is the question in COPD.
Supplier
Idzko Marco, In PLoS ONE, 2007
... , the following molecules were added after T cell activation: indoleamine-2,3-dioxygenase-1 (IDO) inhibitor (L-1-methyl-tryptophan, L-1MT - Sigma Aldrich) [1 mM]; inhibitor of ...
MicroRNA-binding viral protein interferes with Arabidopsis development
Supplier
Pooggin Mikhail M. et al., In Nucleic Acids Research, 2004
... This work was supported by the Swiss National Science Foundation, the Indo-Swiss Collaboration in Biotechnology, the Swiss Office for Education and Science as part of the EU Gene Silencing in Transgenic Plants Projects, and by ...
Inhibition of Allogeneic T Cell Proliferation by Indoleamine 2,3-Dioxygenase–expressing Dendritic Cells
Supplier
Opelz Gerhard et al., In The Journal of Experimental Medicine, 1994
... Finally, the linearized recombinant IDO plasmid was transfected by Effectene Transfection Reagent kit (QIAGEN) into adenovirus packaging cells ...
Papers on Indo
Role of indoleamine 2,3-dioxygenase in health and disease.
Review
New
Thomas et al., Sydney, Australia. In Clin Sci (lond), 01 Nov 2015
IDO1 (indoleamine 2,3-dioxygenase 1) is a member of a unique class of mammalian haem dioxygenases that catalyse the oxidative catabolism of the least-abundant essential amino acid, L-Trp (L-tryptophan), along the kynurenine pathway.
Trypanosoma cruzi Infection Imparts a Regulatory Program in Dendritic Cells and T Cells via Galectin-1-Dependent Mechanisms.
New
Rabinovich et al., Buenos Aires, Argentina. In J Immunol, 01 Oct 2015
Concomitant with the upregulation of immune inhibitory mediators, including IL-10, TGF-β1, IDO, and programmed death ligand 2, T. cruzi infection induced an early increase of Gal-1 expression in vivo.
Indoleamine 2, 3-Dioxgenase Transfected Mesenchymal Stem Cells Induce Kidney Allograft Tolerance by Increasing the Production and Function of Regulatory T Cells.
New
Wu et al., Chongqing, China. In Transplantation, 30 Sep 2015
The purpose of this study was to examine the role of indoleamine 2, 3-dioxgenase (IDO)-transfected MSCs in immunoregulation both in vitro and in vivo.
Fatigue in primary Sjogren's syndrome: Clinical, laboratory, psychometric and biological associations.
New
Mavragani et al., Athens, Greece. In Arthritis Care Res (hoboken), 28 Sep 2015
OBJECTIVE: To identify independent contributors of fatigue in primary Sjogren's Syndrome (pSS) patients taking into account clinical, laboratory and psychological features and to explore the potential role of interferon (IFN)-induced gene indoleamine 2,3-dioxygenase (IDO-1), anti-21 hydroxylase [anti-21(OH)] antibodies and soluble B-cell activating factor (sBAFF).
Soluble human leukocyte antigen G5 polarizes differentiation of macrophages toward a decidual macrophage-like phenotype.
New
Yeung et al., Hong Kong, Hong Kong. In Hum Reprod, 25 Sep 2015
Indoleamine 2,3-dioxygenase 1 expression and activity were measured by western blot analysis and kynurenine assay, respectively.
Indoleamine 2,3-Dioxygenase Fine-Tunes Immune Homeostasis in Atherosclerosis and Colitis through Repression of Interleukin-10 Production.
New
Impact
Mallat et al., Paris, France. In Cell Metab, 29 Aug 2015
UNASSIGNED: Indoleamine 2,3-dioxygenase 1 (Ido1) is a rate-limiting enzyme that catalizes the degradation of tryptophan along the kynurenine pathway.
Curcumin combined with FAPαc vaccine elicits effective antitumor response by targeting indolamine-2,3-dioxygenase and inhibiting EMT induced by TNF-α in melanoma.
New
Huang et al., Changsha, China. In Oncotarget, 20 Aug 2015
IFN-γ can in turn induce expression indolamine-2,3-dioxygenase (IDO), thereby contributing to immunosuppression, while TNF-α can induce EMT.
PD-L1 blockade for cancer treatment: MEDI4736.
Review
New
Shalabi et al., Cambridge, United Kingdom. In Semin Oncol, Jun 2015
In addition, multiple phase I combination studies are ongoing with different agents, including those targeting MEK/BRAF in melanoma, epidermal growth factor receptor, programmed cell death-1, cytotoxic T-lymphocyte antigen-4, OX40, chemokine (C-C motif) receptor 4, and indoleamine 2,3-dioxygenase.
Immunomodulatory effects mediated by serotonin.
Review
New
Pavón et al., Mexico. In J Immunol Res, Dec 2014
Three classes of genes regulating 5-HT function are constitutively expressed or induced in these cells: (a) membrane proteins that regulate the response to 5-HT, such as SERT, 5HTR-GPCR, and the 5HT3-ion channels; (b) downstream signaling transduction proteins; and (c) enzymes controlling 5-HT metabolism, such as IDO and MAO, which can generate biologically active catabolites, including melatonin, kynurenines, and kynurenamines.
Tryptophan Catabolism in Chronic Viral Infections: Handling Uninvited Guests.
Review
New
Routy et al., Montréal, Canada. In Int J Tryptophan Res, Dec 2014
l-Tryptophan (l-Trp) is an essential amino acid that possesses diverse metabolic, neurological, and immunological roles spanning from the synthesis of proteins, neurotransmitter serotonin, and neurohormone melatonin, to its degradation into immunosuppressive catabolites by indoleamine-2, 3-dioxygenase (IDO) in the kynurenine pathway (KP).
Trial watch: IDO inhibitors in cancer therapy.
Review
New
Galluzzi et al., Villejuif, France. In Oncoimmunology, Nov 2014
UNASSIGNED: Indoleamine 2,3-dioxigenase 1 (IDO1) is the main enzyme that catalyzes the first, rate-limiting step of the so-called "kynurenine pathway", i.e., the metabolic cascade that converts the essential amino acid L-tryptophan (Trp) into L-kynurenine (Kyn).
Aryl hydrocarbon receptor control of a disease tolerance defence pathway.
New
Impact
Puccetti et al., Perugia, Italy. In Nature, Aug 2014
However, on LPS rechallenge, AhR engaged in long-term regulation of systemic inflammation only in the presence of indoleamine 2,3-dioxygenase 1 (IDO1).
Neuroinflammation and comorbidity of pain and depression.
Review
Impact
Dantzer et al., Houston, United States. In Pharmacol Rev, 2013
These mechanisms include direct effects of cytokines on the neuronal environment or indirect effects via downregulation of G protein-coupled receptor kinase 2, activation of the tryptophan-degrading enzyme indoleamine 2,3-dioxygenase that generates neurotropic kynurenine metabolites, increased brain extracellular glutamate, and the switch of GABAergic neurotransmission from inhibition to excitation.
Inhibition of increased indoleamine 2,3-dioxygenase activity attenuates Toxoplasma gondii replication in the lung during acute infection.
GeneRIF
Saito et al., Kyoto, Japan. In Cytokine, 2012
Inhibition of increased IDO activity maybe involved in the antiparasitic mechanism during Toxoplasma gondii (T. gondii) infection in vivo.
Brain indoleamine 2,3-dioxygenase contributes to the comorbidity of pain and depression.
GeneRIF
Mao et al., Boston, United States. In J Clin Invest, 2012
Ido1 gene knockout or pharmacological inhibition of hippocampal IDO1 activity attenuated both nociceptive and depressive behavior
M. tuberculosis induces potent activation of IDO-1, but this is not essential for the immunological control of infection.
GeneRIF
Saunders et al., New York City, United States. In Plos One, 2011
IDO-1-deficiency fails to impact on the immune control and the outcome of the infection in the mouse model of tuberculosis.
Immunological and nonimmunological effects of indoleamine 2,3-dioxygenase on breast tumor growth and spontaneous metastasis formation.
GeneRIF
Gorelik et al., Pittsburgh, United States. In Clin Dev Immunol, 2011
role in breast tumor cell proliferation, cell cycle regulation, and antiapoptotic signaling
Activation of indoleamine 2,3-dioxygenase in patients with scrub typhus and its role in growth restriction of Orientia tsutsugamushi.
GeneRIF
Limwongse et al., Bangkok, Thailand. In Plos Negl Trop Dis, 2011
Activation of IDO1 appeared to be a defensive mechanism downstream of IFN-gamma that limited intracellular expansion of Orientia tsutsugamushi via tryptophan depletion.
Highlights of 10 years of immunology in Nature Reviews Immunology.
Impact
O'Garra et al., New Haven, United States. In Nat Rev Immunol, 2011
Highlights include our improved understanding of Toll-like receptor signalling, and of immune regulation mediated by regulatory T cells, indoleamine 2,3-dioxygenase, myeloid-derived suppressor cells and interleukin-10.
Imatinib potentiates antitumor T cell responses in gastrointestinal stromal tumor through the inhibition of Ido.
Impact
DeMatteo et al., New York City, United States. In Nat Med, 2011
Imatinib therapy activated CD8(+) T cells and induced regulatory T cell (T(reg) cell) apoptosis within the tumor by reducing tumor-cell expression of the immunosuppressive enzyme indoleamine 2,3-dioxygenase (Ido).
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