Page last updated: 2024-12-07

1-methyltryptophan

Description Research Excerpts Clinical Trials Roles Classes Pathways Study Profile Bioassays Related Drugs Related Conditions Protein Interactions Research Growth Market Indicators

Description

## 1-Methyltryptophan: An Intriguing Compound with Research Potential

1-Methyltryptophan (1-MT) is a naturally occurring compound derived from the amino acid tryptophan. It's not a common dietary component, but its presence and potential roles in various biological processes have piqued researchers' interest.

Here's a breakdown of its key features and research significance:

**What is 1-Methyltryptophan?**

* **Structure:** 1-MT is a tryptophan derivative with a methyl group attached to the indole ring at the 1-position. This structural modification alters its chemical properties and biological activity compared to tryptophan.
* **Production:** It's produced naturally in small amounts by the human body and certain microorganisms. The exact mechanism of its production is still under investigation.
* **Occurrence:** 1-MT has been found in various biological sources, including human blood, brain, and urine, as well as in some plant extracts.

**Research Interest in 1-Methyltryptophan:**

* **Neurotransmitter Modulation:** 1-MT has shown potential to modulate neurotransmitter systems, specifically serotonin. Studies suggest it might act as a serotonin precursor and potentially influence mood and cognitive function.
* **Anti-inflammatory Properties:** Research indicates 1-MT could possess anti-inflammatory properties. It might help reduce inflammation in the brain and other tissues, potentially aiding in the treatment of inflammatory conditions.
* **Cancer Research:** Some preliminary studies suggest 1-MT might have anticancer effects. It may disrupt the growth and proliferation of cancer cells, although more research is needed to confirm its therapeutic potential.
* **Metabolic Effects:** 1-MT might influence metabolic pathways involved in energy production and lipid metabolism. Research explores its potential role in managing conditions like obesity and diabetes.

**Challenges and Future Directions:**

* **Limited Understanding:** While 1-MT shows promising potential in research, its exact biological mechanisms and therapeutic applications remain largely unknown.
* **Dosage and Delivery:** Research is needed to determine safe and effective dosages and delivery methods for potential therapeutic use.
* **Clinical Trials:** Further clinical trials are necessary to evaluate the efficacy and safety of 1-MT in humans for specific medical conditions.

**In Conclusion:**

1-Methyltryptophan is a fascinating compound with potential roles in neurotransmission, inflammation, cancer, and metabolism. While research is ongoing, it holds promise for future advancements in various fields. Understanding its intricate mechanisms and properties will pave the way for potential therapeutic applications.

1-Methyltryptophan is a tryptophan analog that has been investigated for its potential biological activities. It has been shown to inhibit the enzyme tryptophan hydroxylase, which is involved in the biosynthesis of serotonin. 1-Methyltryptophan has also been reported to exhibit anticonvulsant and anxiolytic properties in animal models. Its synthesis typically involves methylation of the indole ring of tryptophan. Studies on 1-methyltryptophan aim to understand its mechanism of action and explore its potential therapeutic applications. The compound is particularly interesting for its ability to modulate serotonin levels, which could be relevant in treating mood disorders and other neuropsychiatric conditions.'

1-methyltryptophan: an immunomodulator [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

1-methyltryptophan : A tryptophan derivative that is tryptophan carrying a single methyl substituent at position 1 on the indole. [Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Cross-References

ID SourceID
PubMed CID676159
CHEMBL ID504816
CHEBI ID192802
SCHEMBL ID19993
MeSH IDM0517062
PubMed CID98112
CHEMBL ID513172
CHEBI ID72821
SCHEMBL ID19992
SCHEMBL ID14202956

Synonyms (102)

Synonym
BIDD:GT0440
21339-55-9
nsc-77678
tryptophan, 1-methyl-
1-methyl-l-tryptophan, 95%
1-methyltryptophan
l-tryptophan, 1-methyl-
1-methyl-tryptophan
l-1-methyl-tryptophan
bdbm50241727
(s)-2-amino-3-(1-methyl-1h-indol-3-yl)propanoic acid
CHEMBL504816 ,
(2s)-2-amino-3-(1-methylindol-3-yl)propanoic acid
CHEBI:192802
1-methyl-l-tryptophan
(2s)-2-azanyl-3-(1-methylindol-3-yl)propanoic acid
(2s)-2-amino-3-(1-methyl-3-indolyl)propanoic acid
A815282
(2r)-2-ammonio-3-(1-methyl-3-indolyl)propanoate
unii-xd0fy1j13b
l-1-methyltryptophan
xd0fy1j13b ,
l-(-)-1-methyltryptophan
nsc 77678
BP-21142
1-methyl -l-tryptophan
gtpl8225
1-lmt
1-l-mt
ZADWXFSZEAPBJS-JTQLQIEISA-N
SCHEMBL19993
AC-34879
Q-100266
(2s)-2-amino-3-(1-methyl-1h-indol-3-yl)propanoic acid
h-trp(1-me)-oh
mfcd00467133
DS-15573
Q27070849
exl ,
tryptophan, 1-methyl-, l
n-1-methyl-l-tryptophan
A51061
n-me-tryptophan
AKOS016843020
DTXSID101314974
EN300-7398929
CS-0009727
(s)-indoximod
HY-N0707
(s)-nlg-8189
n-methyl-dl-tryptophan
1-mt
2-amino-3-(1-methyl-1h-indol-3-yl)propanoic acid
bdbm21973
1-methyltryptophan, 1
nsc721300
nsc-721300
nsc77678
arbrin,(l)
26988-72-7
1-methyl-dl-tryptophan
tryptophan, 1-methyl-, dl- (8ci)
tryptophan, 1-methyl- (9ci)
dl-1-methyltryptophan
dl-tryptophan, 1-methyl-
1-methyl-dl-tryptophan, 97%
2-amino-3-(1-methylindol-3-yl)propanoic acid
FT-0695121
CHEMBL513172
chebi:72821 ,
AKOS005257075
einecs 248-157-6
nsc 721300
FT-0638657
gtpl4694
1-mt & ddi & d4t & pmpa
SCHEMBL19992
SCHEMBL14202956
mfcd00005803
FT-0698004
mfcd00274271
J-016640
STL554998
BCP08015
BCP08016
Q4545793
racemic 2-amino-3-(1-methyl-1h-indol-3-yl)-propanoic acid
ZADWXFSZEAPBJS-UHFFFAOYSA-N
dl-1-methyl-tryptophan
BBL101202
SB16903
SY035194
MS-20182
SY110594
HY-133897
(rac)-indoximod
AB91903
DTXSID601314131
CS-0135010
1-methyl-dl-tryptophan;(rac)-nlg-8189
Z1508915638
(rac)-nlg-8189

Research Excerpts

Pharmacokinetics

ExcerptReferenceRelevance
" Herein, we developed two novel radioprobes, 1-N-(11)C-methyl-L- and -D-tryptophan ((11)C-L-1MTrp and (11)C-D-1MTrp), without modifying the chemical structures of the two isomers, and investigated their utility for pharmacokinetic imaging of the whole body."( Development of 1-N-(11)C-Methyl-L- and -D-Tryptophan for pharmacokinetic imaging of the immune checkpoint inhibitor 1-Methyl-Tryptophan.
Fujinaga, M; Hatori, A; Higuchi, M; Kumata, K; Maeda, J; Nengaki, N; Shimoda, Y; Suhara, T; Wakizaka, H; Wang, F; Xie, L; Yamasaki, T; Yui, J; Zhang, MR; Zhang, Y, 2015
)
0.42

Compound-Compound Interactions

ExcerptReferenceRelevance
" Preclinical studies demonstrated that indoximod combined with chemotherapy was synergistic in a mouse model of breast cancer."( A first in man phase I trial of the oral immunomodulator, indoximod, combined with docetaxel in patients with metastatic solid tumors.
Antonia, S; Dees, EC; Han, H; Harvey, RD; Ismail-Khan, R; Jackson, E; Link, C; Minton, S; Neuger, T; Soliman, HH; Sullivan, DM; Vahanian, NN, 2014
)
0.4
" No drug-drug interactions were noted."( A first in man phase I trial of the oral immunomodulator, indoximod, combined with docetaxel in patients with metastatic solid tumors.
Antonia, S; Dees, EC; Han, H; Harvey, RD; Ismail-Khan, R; Jackson, E; Link, C; Minton, S; Neuger, T; Soliman, HH; Sullivan, DM; Vahanian, NN, 2014
)
0.4

Bioavailability

ExcerptReferenceRelevance
"A series of different prodrugs of indoximod, including estesrs and peptide amides were synthesized with the aim of improving its oral bioavailability in humans."( Discovery of indoximod prodrugs and characterization of clinical candidate NLG802.
Adams, J; Brincks, EL; Jaipuri, FA; Kumar, S; Link, C; Marcinowicz, A; Mautino, MR; Potturi, H; Vahanian, N; Van Allen, C; Waldo, JP; Zhuang, H, 2020
)
0.56

Dosage Studied

ExcerptRelevanceReference
" The pharmacokinetics of prodrugs that were stable in buffers, plasma and simulated gastric and intestinal fluids was first assessed in rats after oral dosing in solution or in capsule formulation."( Discovery of indoximod prodrugs and characterization of clinical candidate NLG802.
Adams, J; Brincks, EL; Jaipuri, FA; Kumar, S; Link, C; Marcinowicz, A; Mautino, MR; Potturi, H; Vahanian, N; Van Allen, C; Waldo, JP; Zhuang, H, 2020
)
0.56
" Indoximod was administered continuously (1200 mg orally two times per day), with concurrent CPI dosed per US Food and Drug Administration (FDA)-approved label."( Phase II trial of the IDO pathway inhibitor indoximod plus pembrolizumab for the treatment of patients with advanced melanoma.
Brincks, EL; Drabick, J; Grossmann, KF; Kennedy, EP; Kolhe, R; Link, CJ; McWilliams, RR; Milhem, M; Munn, D; Pacholczyk, R; Rixe, O; Rossi, GR; Sadek, R; Shaheen, MF; Shen, SS; Smith, CM; Tennant, LL; Vahanian, NN; Yu, J; Zakharia, Y, 2021
)
0.62
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Roles (2)

RoleDescription
EC 1.13.11.52 (indoleamine 2,3-dioxygenase) inhibitorAn EC 1.13.11.* (oxidoreductase acting on single donors and incorporating 2 atoms of oxygen) inhibitor that interferes with the action of indoleamine 2,3-dioxygenase (EC 1.13.11.52).
antineoplastic agentA substance that inhibits or prevents the proliferation of neoplasms.
[role information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Drug Classes (3)

ClassDescription
indolyl carboxylic acid
non-proteinogenic alpha-amino acidAny alpha-amino acid which is not a member of the group of 23 proteinogenic amino acids.
tryptophan derivativeAn amino acid derivative resulting from reaction of tryptophan at the amino group or the carboxy group, or from the replacement of any hydrogen of tryptophan by a heteroatom. The definition normally excludes peptides containing tryptophan residues.
[compound class information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Protein Targets (6)

Inhibition Measurements

ProteinTaxonomyMeasurementAverageMin (ref.)Avg (ref.)Max (ref.)Bioassay(s)
Dihydrofolate reductaseHomo sapiens (human)Ki810.00000.00000.37564.9000AID1660990
Indoleamine 2,3-dioxygenase 1Homo sapiens (human)IC50 (µMol)158.75350.05373.075710.0000AID1053471; AID1053474; AID1053475; AID1154624; AID1327825; AID1327826; AID1377488; AID1416457; AID1545104; AID1545105; AID1558431; AID1558487; AID1585058; AID1627818; AID1639962; AID1639965; AID1728719; AID1728748; AID443996; AID568286; AID638470; AID734365
Indoleamine 2,3-dioxygenase 1Homo sapiens (human)Ki30.10000.09402.37907.0000AID1053474; AID1053476; AID1377500; AID1557372; AID1558437; AID1639954; AID379168; AID409715; AID443994; AID568290; AID604723
Adenosine receptor A1Rattus norvegicus (Norway rat)Ki6.60000.00011.20929.9700AID379168
Indoleamine 2,3-dioxygenase 1Mus musculus (house mouse)IC50 (µMol)40.00000.00601.625110.0000AID443995
Tryptophan 2,3-dioxygenaseMus musculus (house mouse)IC50 (µMol)400.00001.00002.48675.0000AID443997
Indoleamine 2,3-dioxygenase 2Homo sapiens (human)IC50 (µMol)62.77801.80003.93675.0100AID1332706; AID1332708; AID1627819; AID1639963; AID1639966
Indoleamine 2,3-dioxygenase 1Homo sapiens (human)IC50 (µMol)247.42250.05373.075710.0000AID1348816; AID1348829; AID1379946; AID625725
Indoleamine 2,3-dioxygenase 1Homo sapiens (human)Ki46.00000.09402.37907.0000AID1180153; AID1252323; AID1798147; AID384942; AID625724; AID731011
[prepared from compound, protein, and bioassay information from National Library of Medicine (NLM), extracted Dec-2023]

Activation Measurements

ProteinTaxonomyMeasurementAverageMin (ref.)Avg (ref.)Max (ref.)Bioassay(s)
[prepared from compound, protein, and bioassay information from National Library of Medicine (NLM), extracted Dec-2023]

Other Measurements

ProteinTaxonomyMeasurementAverageMin (ref.)Avg (ref.)Max (ref.)Bioassay(s)
[prepared from compound, protein, and bioassay information from National Library of Medicine (NLM), extracted Dec-2023]

Biological Processes (31)

Processvia Protein(s)Taxonomy
tetrahydrobiopterin biosynthetic processDihydrofolate reductaseHomo sapiens (human)
one-carbon metabolic processDihydrofolate reductaseHomo sapiens (human)
negative regulation of translationDihydrofolate reductaseHomo sapiens (human)
axon regenerationDihydrofolate reductaseHomo sapiens (human)
response to methotrexateDihydrofolate reductaseHomo sapiens (human)
dihydrofolate metabolic processDihydrofolate reductaseHomo sapiens (human)
tetrahydrofolate metabolic processDihydrofolate reductaseHomo sapiens (human)
tetrahydrofolate biosynthetic processDihydrofolate reductaseHomo sapiens (human)
folic acid metabolic processDihydrofolate reductaseHomo sapiens (human)
positive regulation of nitric-oxide synthase activityDihydrofolate reductaseHomo sapiens (human)
regulation of removal of superoxide radicalsDihydrofolate reductaseHomo sapiens (human)
regulation of activated T cell proliferationIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
positive regulation of T cell tolerance inductionIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
positive regulation of chronic inflammatory responseIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
positive regulation of type 2 immune responseIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
tryptophan catabolic processIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
inflammatory responseIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
female pregnancyIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
tryptophan catabolic process to kynurenineIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
response to lipopolysaccharideIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
negative regulation of interleukin-10 productionIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
positive regulation of interleukin-12 productionIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
multicellular organismal response to stressIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
kynurenic acid biosynthetic processIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
swimming behaviorIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
T cell proliferationIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
negative regulation of T cell proliferationIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
negative regulation of T cell apoptotic processIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
positive regulation of T cell apoptotic processIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
'de novo' NAD biosynthetic process from tryptophanIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
immune system processIndoleamine 2,3-dioxygenase 2Homo sapiens (human)
tryptophan catabolic process to kynurenineIndoleamine 2,3-dioxygenase 2Homo sapiens (human)
'de novo' NAD biosynthetic process from tryptophanIndoleamine 2,3-dioxygenase 2Homo sapiens (human)
regulation of activated T cell proliferationIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
positive regulation of T cell tolerance inductionIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
positive regulation of chronic inflammatory responseIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
positive regulation of type 2 immune responseIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
tryptophan catabolic processIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
inflammatory responseIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
female pregnancyIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
tryptophan catabolic process to kynurenineIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
response to lipopolysaccharideIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
negative regulation of interleukin-10 productionIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
positive regulation of interleukin-12 productionIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
multicellular organismal response to stressIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
kynurenic acid biosynthetic processIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
swimming behaviorIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
T cell proliferationIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
negative regulation of T cell proliferationIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
negative regulation of T cell apoptotic processIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
positive regulation of T cell apoptotic processIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
'de novo' NAD biosynthetic process from tryptophanIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
[Information is prepared from geneontology information from the June-17-2024 release]

Molecular Functions (12)

Processvia Protein(s)Taxonomy
mRNA regulatory element binding translation repressor activityDihydrofolate reductaseHomo sapiens (human)
mRNA bindingDihydrofolate reductaseHomo sapiens (human)
dihydrofolate reductase activityDihydrofolate reductaseHomo sapiens (human)
folic acid bindingDihydrofolate reductaseHomo sapiens (human)
NADPH bindingDihydrofolate reductaseHomo sapiens (human)
sequence-specific mRNA bindingDihydrofolate reductaseHomo sapiens (human)
NADP bindingDihydrofolate reductaseHomo sapiens (human)
electron transfer activityIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
heme bindingIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
indoleamine 2,3-dioxygenase activityIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
metal ion bindingIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
tryptophan 2,3-dioxygenase activityIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
heme bindingIndoleamine 2,3-dioxygenase 2Homo sapiens (human)
indoleamine 2,3-dioxygenase activityIndoleamine 2,3-dioxygenase 2Homo sapiens (human)
metal ion bindingIndoleamine 2,3-dioxygenase 2Homo sapiens (human)
tryptophan 2,3-dioxygenase activityIndoleamine 2,3-dioxygenase 2Homo sapiens (human)
electron transfer activityIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
heme bindingIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
indoleamine 2,3-dioxygenase activityIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
metal ion bindingIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
tryptophan 2,3-dioxygenase activityIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
[Information is prepared from geneontology information from the June-17-2024 release]

Ceullar Components (5)

Processvia Protein(s)Taxonomy
mitochondrionDihydrofolate reductaseHomo sapiens (human)
cytosolDihydrofolate reductaseHomo sapiens (human)
mitochondrionDihydrofolate reductaseHomo sapiens (human)
cytosolIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
smooth muscle contractile fiberIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
stereocilium bundleIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
cytoplasmIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
cytoplasmIndoleamine 2,3-dioxygenase 2Homo sapiens (human)
cytosolIndoleamine 2,3-dioxygenase 2Homo sapiens (human)
cytoplasmIndoleamine 2,3-dioxygenase 2Homo sapiens (human)
cytosolIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
smooth muscle contractile fiberIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
stereocilium bundleIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
cytoplasmIndoleamine 2,3-dioxygenase 1Homo sapiens (human)
[Information is prepared from geneontology information from the June-17-2024 release]

Bioassays (114)

Assay IDTitleYearJournalArticle
AID1053470Antiproliferative activity against mouse LLC cells at 50 uM by WST-1 assay2013Journal of medicinal chemistry, Nov-14, Volume: 56, Issue:21
Discovery of tryptanthrin derivatives as potent inhibitors of indoleamine 2,3-dioxygenase with therapeutic activity in Lewis lung cancer (LLC) tumor-bearing mice.
AID1728719Inhibition of recombinant human IDO1 expressed in Escherichia coli BL21(DE3) assessed as effect on kynurenine level using L-tryptophan as substrate incubated for 1 hr by Ehrlich's reagent based assay2020Journal of medicinal chemistry, 12-24, Volume: 63, Issue:24
Development of Indoleamine 2,3-Dioxygenase 1 Inhibitors for Cancer Therapy and Beyond: A Recent Perspective.
AID1558437Competitive inhibition of recombinant human IDO1 expressed in Escherichia coli BL21 cells assessed as apparent inhibition constant using varying concentration of L-tryptophan as substrate by Dixon plot analysis
AID1558472Antitumor activity against mouse H22 cells implanted in Kunming mouse assessed as reduction in tumor weight at 100 mg/kg, po qd administered for 2 weeks and measured post-treatment
AID1053462Reduction of Foxp3 protein expression in tumor of C57BL/6 mouse allografted with mouse LLC cells at 200 mg/kg, po qd after 14 days by RT-PCR analysis2013Journal of medicinal chemistry, Nov-14, Volume: 56, Issue:21
Discovery of tryptanthrin derivatives as potent inhibitors of indoleamine 2,3-dioxygenase with therapeutic activity in Lewis lung cancer (LLC) tumor-bearing mice.
AID1053465Induction of IDO1 mRNA expression in tumor of C57BL/6 mouse allografted with mouse LLC cells at 200 mg/kg, po qd after 14 days by RT-PCR analysis relative to control2013Journal of medicinal chemistry, Nov-14, Volume: 56, Issue:21
Discovery of tryptanthrin derivatives as potent inhibitors of indoleamine 2,3-dioxygenase with therapeutic activity in Lewis lung cancer (LLC) tumor-bearing mice.
AID1332713Inhibition of recombinant human IDO2 (14-420 residues) expressed in Escherichia coli BL21(DE3) assessed as reduction in L-kynurenine formation using L-tryptophan as substrate after 30 mins in presence of catalase2016European journal of medicinal chemistry, Nov-10, Volume: 123Establishment of a human indoleamine 2, 3-dioxygenase 2 (hIDO2) bioassay system and discovery of tryptanthrin derivatives as potent hIDO2 inhibitors.
AID568286Inhibition of human IDO activity by spectrophotometry2011Bioorganic & medicinal chemistry, Feb-15, Volume: 19, Issue:4
Indol-2-yl ethanones as novel indoleamine 2,3-dioxygenase (IDO) inhibitors.
AID1053471Inhibition of human IDO1 expressed in HEK293 cells assessed as kynurenine release after 5 hrs by spectrophotometry2013Journal of medicinal chemistry, Nov-14, Volume: 56, Issue:21
Discovery of tryptanthrin derivatives as potent inhibitors of indoleamine 2,3-dioxygenase with therapeutic activity in Lewis lung cancer (LLC) tumor-bearing mice.
AID443996Inhibition of human recombinant IDO expressed in HEK293 cells assessed as blockade of tryptophan degradation by HPLC2010Journal of medicinal chemistry, Feb-11, Volume: 53, Issue:3
Rational design of indoleamine 2,3-dioxygenase inhibitors.
AID1416466Cytotoxicity against human MDA-MB-231 cells assessed as induction of morphological changes at 2 times IDO1 inhibitory IC50 after 48 hrs by cytell imaging analysis2017MedChemComm, Aug-01, Volume: 8, Issue:8
Synthesis and evaluation of oxindoles as promising inhibitors of the immunosuppressive enzyme indoleamine 2,3-dioxygenase 1.
AID1557375Tmax in human cancer patient at 2000 mg bid for 28 days by LC-MS method2019MedChemComm, Oct-01, Volume: 10, Issue:10
Recent advances in the discovery of indoleamine 2,3-dioxygenase 1 (IDO1) inhibitors.
AID1154624Inhibition of recombinant N-terminal His-tagged human IDO (Ala2 to Gly403) overexpressed in Escherichia coli BL21 AI using L-tryptophan as substrate assessed as formation of kynurenine incubated for 5 mins in presence of p-dimethylaminobenzaldehyde2014European journal of medicinal chemistry, Jul-23, Volume: 82Thiosemicarbazide, a fragment with promising indolamine-2,3-dioxygenase (IDO) inhibition properties.
AID1557374Cmax in human cancer patient at 2000 mg bid for 28 days by LC-MS method2019MedChemComm, Oct-01, Volume: 10, Issue:10
Recent advances in the discovery of indoleamine 2,3-dioxygenase 1 (IDO1) inhibitors.
AID604724Cytotoxicity against mouse mastocytoma P815B cells assessed as cell viability at 20 uM after overnight incubation by MTT assay2011European journal of medicinal chemistry, Jul, Volume: 46, Issue:7
Discovery and preliminary SARs of keto-indoles as novel indoleamine 2,3-dioxygenase (IDO) inhibitors.
AID1558479In vivo blockade of kynurenine pathway in Kunming mouse implanted with mouse H22 cells assessed as decrease in kynurenine level in serum at 100 mg/kg, po qd for 2 weeks by HPLC analysis
AID1558465Antitumor activity against mouse LLC cells implanted in C57BL/6 mouse assessed as reduction in tumor weight at 100 mg/kg, po qd administered for 2 weeks and measured post-treatment
AID1545103Inhibition of IDO1 in interferon-gamma-induced human HeLa cells at 10 uM using L-tryptophan substrate incubated for 24 hrs relative to untreated control2019Bioorganic & medicinal chemistry, 07-15, Volume: 27, Issue:14
Design, synthesis and biological evaluation of novel aryl-acrylic derivatives as novel indoleamine-2,3-dioxygenase 1 (IDO1) inhibitors.
AID734358Inhibition of mouse TDO overexpressed in mouse P815B cells using L-Trp as substrate assessed as kynurenine level at 22 uM by HPLC analysis relative to control2013Bioorganic & medicinal chemistry letters, Jan-01, Volume: 23, Issue:1
Indoleamine 2,3-dioxygenase inhibitory activity of derivatives of marine alkaloid tsitsikammamine A.
AID1053475Inhibition of human IDO1-mediated tryptophan degradation expressed in human tumor cells2013Journal of medicinal chemistry, Nov-14, Volume: 56, Issue:21
Discovery of tryptanthrin derivatives as potent inhibitors of indoleamine 2,3-dioxygenase with therapeutic activity in Lewis lung cancer (LLC) tumor-bearing mice.
AID1416458Inhibition of recombinant human IDO1 assessed as reduction in conversion of L-tryptophan to kynurenine after 1 hr by methylene blue dye based HPLC method2017MedChemComm, Aug-01, Volume: 8, Issue:8
Synthesis and evaluation of oxindoles as promising inhibitors of the immunosuppressive enzyme indoleamine 2,3-dioxygenase 1.
AID1583596Antitumor activity against wild type mouse B16F10 cells xenografted in C57BL/6 mouse assessed as reduction in tumor volume at 200 mg/kg, iv administered once every 2 days for 3 weeks and measured after 21 days relative to control2020Journal of medicinal chemistry, 02-27, Volume: 63, Issue:4
Bifunctional Naphthoquinone Aromatic Amide-Oxime Derivatives Exert Combined Immunotherapeutic and Antitumor Effects through Simultaneous Targeting of Indoleamine-2,3-dioxygenase and Signal Transducer and Activator of Transcription 3.
AID1558487Inhibition of recombinant human IDO1 expressed in HEK293 cells assessed as reduction in kynurenine formation after 5 hrs by microplate reader analysis
AID1660990Inhibition of human DHFR in presence of DHF and NADPH by UV-vis spectrometry by Lineweaver-Burk plot analysis2020Journal of medicinal chemistry, 08-13, Volume: 63, Issue:15
The Structural Basis for Nonsteroidal Anti-Inflammatory Drug Inhibition of Human Dihydrofolate Reductase.
AID1226035Activity of 1 uM recombinant human TDO assessed as substrate consumption at 100 uM at 37 degC at pH 7.5 after 1 hr by HPLC with fluorescence detection method2015ACS medicinal chemistry letters, Mar-12, Volume: 6, Issue:3
N (1)-Fluoroalkyltryptophan Analogues: Synthesis and in vitro Study as Potential Substrates for Indoleamine 2,3-Dioxygenase.
AID1558447Binding affinity to human IDO2 assessed as change in spectral signal at 200 uM by CPMG NMR spectrometry analysis
AID1558467Antitumor activity against mouse LLC cells implanted in C57BL/6 mouse assessed as reduction in tumor volume at 100 mg/kg, po qd administered for 2 weeks and measured at 2 days interval during compound dosing relative to control
AID1373982Cytotoxicity in human A375 cells assessed as cell viability at 10 uM incubated for 48 hrs by MTT assay2018Bioorganic & medicinal chemistry letters, 02-15, Volume: 28, Issue:4
A multicomponent approach in the discovery of indoleamine 2,3-dioxygenase 1 inhibitors: Synthesis, biological investigation and docking studies.
AID1053474Competitive inhibition of human recombinant IDO1 using L-tryptophan as substrate2013Journal of medicinal chemistry, Nov-14, Volume: 56, Issue:21
Discovery of tryptanthrin derivatives as potent inhibitors of indoleamine 2,3-dioxygenase with therapeutic activity in Lewis lung cancer (LLC) tumor-bearing mice.
AID1053467Antitumor activity against mouse LLC cells allografted in C57BL/6 mouse assessed as reduction in tumor volume at 200 mg/kg, po qd after 14 days2013Journal of medicinal chemistry, Nov-14, Volume: 56, Issue:21
Discovery of tryptanthrin derivatives as potent inhibitors of indoleamine 2,3-dioxygenase with therapeutic activity in Lewis lung cancer (LLC) tumor-bearing mice.
AID1377500Inhibition of IDO1 (unknown origin)2017European journal of medicinal chemistry, Sep-29, Volume: 138Discovery of potent IDO1 inhibitors derived from tryptophan using scaffold-hopping and structure-based design approaches.
AID443994Inhibition of IDO by cell-free assay2010Journal of medicinal chemistry, Feb-11, Volume: 53, Issue:3
Rational design of indoleamine 2,3-dioxygenase inhibitors.
AID1558450Binding affinity to human IDO2 at 200 uM by STD NMR spectrometry analysis
AID1377488Inhibition of IFNgamma-induced IDO1 in human HeLa cells using L-tryptophan as substrate after 24 hrs2017European journal of medicinal chemistry, Sep-29, Volume: 138Discovery of potent IDO1 inhibitors derived from tryptophan using scaffold-hopping and structure-based design approaches.
AID1627819Inhibition of human IDO2 expressed in Escherichia coli BL21 Star assessed as kynurenine formation using L-Trp as substrate preincubated for 90 mins measured after 30 mins by bridge-IT fluorescence assay2016Bioorganic & medicinal chemistry letters, 09-01, Volume: 26, Issue:17
1,2,3-Triazoles as inhibitors of indoleamine 2,3-dioxygenase 2 (IDO2).
AID1558446Binding affinity to human IDO1 assessed as change in spectral signal at 200 uM by CPMG NMR spectrometry analysis
AID568290Inhibition of IDO2011Bioorganic & medicinal chemistry, Feb-15, Volume: 19, Issue:4
Indol-2-yl ethanones as novel indoleamine 2,3-dioxygenase (IDO) inhibitors.
AID1558451Binding affinity to human TDO at 200 uM by STD NMR spectrometry analysis
AID1226031Ratio of Kcat to Km for recombinant human IDO assessed as formation of N-formyl-L-kynurenine at 37 degC at pH 6.5 after 5 to 15 mins by HPLC with fluorescence detection method2015ACS medicinal chemistry letters, Mar-12, Volume: 6, Issue:3
N (1)-Fluoroalkyltryptophan Analogues: Synthesis and in vitro Study as Potential Substrates for Indoleamine 2,3-Dioxygenase.
AID1416462Cytotoxicity against human MDA-MB-231 cells assessed as reduction in cell viability at 2 times IDO1 inhibitory IC50 after 48 hrs by MTT assay2017MedChemComm, Aug-01, Volume: 8, Issue:8
Synthesis and evaluation of oxindoles as promising inhibitors of the immunosuppressive enzyme indoleamine 2,3-dioxygenase 1.
AID1557376Half life in human cancer patient at 2000 mg bid for 28 days by LC-MS method2019MedChemComm, Oct-01, Volume: 10, Issue:10
Recent advances in the discovery of indoleamine 2,3-dioxygenase 1 (IDO1) inhibitors.
AID1053476Competitive inhibition of human IDO1 in presence of tryptophan2013Journal of medicinal chemistry, Nov-14, Volume: 56, Issue:21
Discovery of tryptanthrin derivatives as potent inhibitors of indoleamine 2,3-dioxygenase with therapeutic activity in Lewis lung cancer (LLC) tumor-bearing mice.
AID361929Inhibition of rabbit small intestine indoleamine 2,3-dioxygenase2008Journal of medicinal chemistry, Aug-28, Volume: 51, Issue:16
Structure based development of phenylimidazole-derived inhibitors of indoleamine 2,3-dioxygenase.
AID604723Competitive inhibition of histidine-tagged human recombinant IDO expressed in bacterial strain BL21 AI using L-Trptophan as substrate measured at 490 nm wavelength after 6 min by colorimetric assay2011European journal of medicinal chemistry, Jul, Volume: 46, Issue:7
Discovery and preliminary SARs of keto-indoles as novel indoleamine 2,3-dioxygenase (IDO) inhibitors.
AID1557373AUC in human cancer patient at 2000 mg bid for 28 days by LC-MS method2019MedChemComm, Oct-01, Volume: 10, Issue:10
Recent advances in the discovery of indoleamine 2,3-dioxygenase 1 (IDO1) inhibitors.
AID1373985Inhibition of IDO1 in IFN-gamma-stimulated human A375 cells assessed as decrease in L-kynurenine levels at 10 uM in presence of L-Trp incubated for 48 hrs by HPLC method2018Bioorganic & medicinal chemistry letters, 02-15, Volume: 28, Issue:4
A multicomponent approach in the discovery of indoleamine 2,3-dioxygenase 1 inhibitors: Synthesis, biological investigation and docking studies.
AID1226027Retention time of the compound by HPLC analysis2015ACS medicinal chemistry letters, Mar-12, Volume: 6, Issue:3
N (1)-Fluoroalkyltryptophan Analogues: Synthesis and in vitro Study as Potential Substrates for Indoleamine 2,3-Dioxygenase.
AID734359Inhibition of mouse IDO1 overexpressed in mouse P815B cells using L-Trp as substrate assessed as kynurenine level at 22 uM by HPLC analysis relative to control2013Bioorganic & medicinal chemistry letters, Jan-01, Volume: 23, Issue:1
Indoleamine 2,3-dioxygenase inhibitory activity of derivatives of marine alkaloid tsitsikammamine A.
AID734361Cytotoxicity against mouse P815B cells assessed as cell viability at 10 uM by MTT assay relative to control2013Bioorganic & medicinal chemistry letters, Jan-01, Volume: 23, Issue:1
Indoleamine 2,3-dioxygenase inhibitory activity of derivatives of marine alkaloid tsitsikammamine A.
AID734365Inhibition of human recombinant IDO1 using L-Trp as substrate assessed as kynurenine level after 30 mins2013Bioorganic & medicinal chemistry letters, Jan-01, Volume: 23, Issue:1
Indoleamine 2,3-dioxygenase inhibitory activity of derivatives of marine alkaloid tsitsikammamine A.
AID1558436Inhibition of human TDO transfected in HEK293 cells assessed as reduction in kynurenine production using L-tryptophan as substrate incubated for 12 hrs
AID1685222Inhibition of rabbit IDO using L or D-tryptophan as substrate2021ACS medicinal chemistry letters, Feb-11, Volume: 12, Issue:2
Discovery of Carbono(di)thioates as Indoleamine 2,3-Dioxygenase 1 Inhibitors.
AID1226029Activity of recombinant human IDO assessed as formation of N-formyl-L-kynurenine at 37 degC at pH 6.5 by UV-visible spectrophotometric analysis2015ACS medicinal chemistry letters, Mar-12, Volume: 6, Issue:3
N (1)-Fluoroalkyltryptophan Analogues: Synthesis and in vitro Study as Potential Substrates for Indoleamine 2,3-Dioxygenase.
AID1728748Inhibition of IDO1 in human HeLa cells2020Journal of medicinal chemistry, 12-24, Volume: 63, Issue:24
Development of Indoleamine 2,3-Dioxygenase 1 Inhibitors for Cancer Therapy and Beyond: A Recent Perspective.
AID409715Inhibition of indoleamine 2,3-dioxygenase in aerobic condition2008Bioorganic & medicinal chemistry, Sep-15, Volume: 16, Issue:18
Synthesis and biological activity of 1-methyl-tryptophan-tirapazamine hybrids as hypoxia-targeting indoleamine 2,3-dioxygenase inhibitors.
AID443999Cytotoxicity against HEK293 cells expressing human recombinant IDO by MTT assay2010Journal of medicinal chemistry, Feb-11, Volume: 53, Issue:3
Rational design of indoleamine 2,3-dioxygenase inhibitors.
AID1226026Activity of 0.1 uM recombinant human IDO assessed as compound consumption at 100 uM after 1 hr by fluorescence detection method relative to control2015ACS medicinal chemistry letters, Mar-12, Volume: 6, Issue:3
N (1)-Fluoroalkyltryptophan Analogues: Synthesis and in vitro Study as Potential Substrates for Indoleamine 2,3-Dioxygenase.
AID1226025Activity of 0.5 uM recombinant human IDO assessed as compound consumption at 100 uM after 1 hr by fluorescence detection method relative to control2015ACS medicinal chemistry letters, Mar-12, Volume: 6, Issue:3
N (1)-Fluoroalkyltryptophan Analogues: Synthesis and in vitro Study as Potential Substrates for Indoleamine 2,3-Dioxygenase.
AID1585058Inhibition of IDO1 (unknown origin) using L-Trp as substrate2018European journal of medicinal chemistry, Dec-05, Volume: 160Tryptophan 2,3-dioxygenase inhibitory activities of tryptanthrin derivatives.
AID1558453Inhibition of IDO1/TDO in IFNgamma-treated human HeLa cells assessed as T cell proliferation at 1 uM measured after 2 days in presence of IL-2, anti-CD3 and IFN-gamma by CFSE dye based flow cytometry analysis (Rvb = 11.7 %)
AID1053456Antitumor activity against mouse LLC cells allografted in C57BL/6 mouse assessed as reduction in total tumor weight at 200 mg/kg, po qd after 14 days2013Journal of medicinal chemistry, Nov-14, Volume: 56, Issue:21
Discovery of tryptanthrin derivatives as potent inhibitors of indoleamine 2,3-dioxygenase with therapeutic activity in Lewis lung cancer (LLC) tumor-bearing mice.
AID1557372Inhibition of IDO1 (unknown origin)2019MedChemComm, Oct-01, Volume: 10, Issue:10
Recent advances in the discovery of indoleamine 2,3-dioxygenase 1 (IDO1) inhibitors.
AID443997Inhibition of mouse recombinant TDO expressed in mouse P815B cells assessed as blockade of tryptophan degradation by HPLC2010Journal of medicinal chemistry, Feb-11, Volume: 53, Issue:3
Rational design of indoleamine 2,3-dioxygenase inhibitors.
AID638470Inhibition of His-tagged recombinant human IDO1 expressed in Escherichia coli using tryptophan as substrate by spectrophotometric analysis2012Bioorganic & medicinal chemistry, Feb-01, Volume: 20, Issue:3
Novel indoleamine 2,3-dioxygenase-1 inhibitors from a multistep in silico screen.
AID1416457Inhibition of recombinant human IDO1 assessed as reduction in conversion of L-tryptophan to kynurenine by methylene blue dye based spectrometric method2017MedChemComm, Aug-01, Volume: 8, Issue:8
Synthesis and evaluation of oxindoles as promising inhibitors of the immunosuppressive enzyme indoleamine 2,3-dioxygenase 1.
AID1558470Antitumor activity against mouse H22 cells implanted in Kunming mouse assessed as reduction in tumor volume at 100 mg/kg, po qd administered for 2 weeks and measured at 2 days interval during compound dosing relative to control
AID1053464Induction of IDO1 protein expression in tumor of C57BL/6 mouse allografted with mouse LLC cells at 200 mg/kg, po qd after 14 days by Western blotting analysis2013Journal of medicinal chemistry, Nov-14, Volume: 56, Issue:21
Discovery of tryptanthrin derivatives as potent inhibitors of indoleamine 2,3-dioxygenase with therapeutic activity in Lewis lung cancer (LLC) tumor-bearing mice.
AID1558443Uncompetitive inhibition of recombinant human TDO expressed in Escherichia coli BL21 (DE3) assessed as assessed as inhibition constant using varying concentration of L-tryptophan as substrate by Dixon plot analysis
AID1558433Inhibition of recombinant human TDO expressed in Escherichia coli BL21 (DE3) assessed as reduction in conversion of L-tryptophan to N-formyl kynurenine using L-tryptophan as substrate after 30 mins by methylene blue assay
AID1558480In vivo blockade of kynurenine pathway in Kunming mouse implanted with mouse H22 cells assessed as increase in tryptophan level in serum at 100 mg/kg, po qd for 2 weeks by HPLC analysis
AID1558444Mixed uncompetitive inhibition of recombinant human TDO expressed in Escherichia coli BL21 (DE3) assessed as inhibition constant using varying concentration of L-tryptophan as substrate by Dixon plot analysis
AID443995Inhibition of mouse recombinant IDO expressed in mouse P815B cells assessed as blockade of tryptophan degradation by HPLC2010Journal of medicinal chemistry, Feb-11, Volume: 53, Issue:3
Rational design of indoleamine 2,3-dioxygenase inhibitors.
AID1332708Inhibition of recombinant human IDO2 expressed in human U87MG cells assessed as reduction in kynurenine formation using L-tryptophan as substrate after 6 hrs by spectrophotometry2016European journal of medicinal chemistry, Nov-10, Volume: 123Establishment of a human indoleamine 2, 3-dioxygenase 2 (hIDO2) bioassay system and discovery of tryptanthrin derivatives as potent hIDO2 inhibitors.
AID1545104Inhibition of purified recombinant human IDO1 using L-tryptophan substrate incubated fro 30 mins2019Bioorganic & medicinal chemistry, 07-15, Volume: 27, Issue:14
Design, synthesis and biological evaluation of novel aryl-acrylic derivatives as novel indoleamine-2,3-dioxygenase 1 (IDO1) inhibitors.
AID1327829Inhibition of IDO1 in IFNgamma-induced human MDA-MB-231 cells using tryptophan as substrate preincubated for 4 hrs followed by substrate addition for 5 hrs by spectrophotometric method2016ACS medicinal chemistry letters, Dec-08, Volume: 7, Issue:12
Fused Heterocyclic Compounds as Potent Indoleamine-2,3-dioxygenase 1 Inhibitors.
AID379168Inhibition of human indoleamine 2,3-dioxygenase expressed in Escherichia coli by spectrophotometric activity assay2006Journal of natural products, Oct, Volume: 69, Issue:10
Indoleamine 2,3-dioxygenase inhibitors from the Northeastern Pacific Marine Hydroid Garveia annulata.
AID1053461Reduction of Foxp3 protein expression in tumor of C57BL/6 mouse allografted with mouse LLC cells at 200 mg/kg, po qd after 14 days by Western blotting analysis2013Journal of medicinal chemistry, Nov-14, Volume: 56, Issue:21
Discovery of tryptanthrin derivatives as potent inhibitors of indoleamine 2,3-dioxygenase with therapeutic activity in Lewis lung cancer (LLC) tumor-bearing mice.
AID1327825Inhibition of N-terminus 6xHis-tagged human IDO1 expressed in Escherichia coli M15 using L-tryptophan as substrate preincubated for 1 hr measured after 15 mins in presence of bovine liver and methylene blue by spectrophotometric analysis2016ACS medicinal chemistry letters, Dec-08, Volume: 7, Issue:12
Fused Heterocyclic Compounds as Potent Indoleamine-2,3-dioxygenase 1 Inhibitors.
AID1053463Reduction of Foxp3 mRNA expression in tumor of C57BL/6 mouse allografted with mouse LLC cells at 200 mg/kg, po qd after 14 days by PCR analysis2013Journal of medicinal chemistry, Nov-14, Volume: 56, Issue:21
Discovery of tryptanthrin derivatives as potent inhibitors of indoleamine 2,3-dioxygenase with therapeutic activity in Lewis lung cancer (LLC) tumor-bearing mice.
AID1332702Competitive inhibition of recombinant human C-terminal His6-tagged IDO2 (14-420 residues) expressed in Escherichia coli BL21(DE3) in presence of varying concentration of L-tryptophan substrate after 30 mins2016European journal of medicinal chemistry, Nov-10, Volume: 123Establishment of a human indoleamine 2, 3-dioxygenase 2 (hIDO2) bioassay system and discovery of tryptanthrin derivatives as potent hIDO2 inhibitors.
AID1558431Inhibition of recombinant human IDO1 expressed in Escherichia coli BL21 cells assessed as reduction in conversion of L-tryptophan to N-formyl kynurenine using L-tryptophan as substrate after 30 mins by methylene blue dye based microplate reader analysis
AID1327826Inhibition of N-terminus 6xHis-tagged human IDO1 expressed in Escherichia coli M15 using L-tryptophan as substrate preincubated for 1 hr measured after 15 mins in presence of bovine liver and methylene blue by HPLC analysis2016ACS medicinal chemistry letters, Dec-08, Volume: 7, Issue:12
Fused Heterocyclic Compounds as Potent Indoleamine-2,3-dioxygenase 1 Inhibitors.
AID444000Cytotoxicity against mouse P815B cells expressing mouse recombinant TDO by MTT assay2010Journal of medicinal chemistry, Feb-11, Volume: 53, Issue:3
Rational design of indoleamine 2,3-dioxygenase inhibitors.
AID1545105Inhibition of IDO1 in interferon-gamma-induced human HeLa cells using L-tryptophan substrate incubated for 24 hrs2019Bioorganic & medicinal chemistry, 07-15, Volume: 27, Issue:14
Design, synthesis and biological evaluation of novel aryl-acrylic derivatives as novel indoleamine-2,3-dioxygenase 1 (IDO1) inhibitors.
AID1627818Inhibition of human IDO1 expressed in Escherichia coli BL21 Star assessed as kynurenine formation using L-Trp as substrate preincubated for 90 mins measured after 30 mins by bridge-IT fluorescence assay2016Bioorganic & medicinal chemistry letters, 09-01, Volume: 26, Issue:17
1,2,3-Triazoles as inhibitors of indoleamine 2,3-dioxygenase 2 (IDO2).
AID1558448Binding affinity to human TDO assessed as change in spectral signal at 200 uM by CPMG NMR spectrometry analysis
AID443998Cytotoxicity against mouse P815B cells expressing mouse recombinant IDO by MTT assay2010Journal of medicinal chemistry, Feb-11, Volume: 53, Issue:3
Rational design of indoleamine 2,3-dioxygenase inhibitors.
AID1226024Activity of 5 uM recombinant human IDO assessed as compound consumption at 1000 uM after 4 hrs by UV detection method relative to control2015ACS medicinal chemistry letters, Mar-12, Volume: 6, Issue:3
N (1)-Fluoroalkyltryptophan Analogues: Synthesis and in vitro Study as Potential Substrates for Indoleamine 2,3-Dioxygenase.
AID1416461Inhibition of IFNgamma-stimulated IDO1 in human MDA-MB-231 cells preincubated for 4 hrs followed by tryptophan addition measured after 5 hrs by methylene blue dye based spectrophotometric method2017MedChemComm, Aug-01, Volume: 8, Issue:8
Synthesis and evaluation of oxindoles as promising inhibitors of the immunosuppressive enzyme indoleamine 2,3-dioxygenase 1.
AID1583618Antitumor activity against mouse B16F10 cells implanted in C57BL/6 cells assessed as tumor growth inhibition at 200 mg/kg, iv administered once every 2 days for 3 weeks and measured after 21 days relative to control2020Journal of medicinal chemistry, 02-27, Volume: 63, Issue:4
Bifunctional Naphthoquinone Aromatic Amide-Oxime Derivatives Exert Combined Immunotherapeutic and Antitumor Effects through Simultaneous Targeting of Indoleamine-2,3-dioxygenase and Signal Transducer and Activator of Transcription 3.
AID1350378Inhibition of rabbit IDO using tryptophan as substrate2018ACS medicinal chemistry letters, Feb-08, Volume: 9, Issue:2
Identification of Potent Indoleamine 2,3-Dioxygenase 1 (IDO1) Inhibitors Based on a Phenylimidazole Scaffold.
AID604718Inhibition of mouse TDO expressed in mouse mastocytoma P815B cells using L-Trptophan as substrate at 20 uM after overnight by HPLC2011European journal of medicinal chemistry, Jul, Volume: 46, Issue:7
Discovery and preliminary SARs of keto-indoles as novel indoleamine 2,3-dioxygenase (IDO) inhibitors.
AID1545102Inhibition of IDO1 in interferon-gamma-induced human HeLa cells at 1 uM using L-tryptophan substrate incubated for 24 hrs relative to untreated control2019Bioorganic & medicinal chemistry, 07-15, Volume: 27, Issue:14
Design, synthesis and biological evaluation of novel aryl-acrylic derivatives as novel indoleamine-2,3-dioxygenase 1 (IDO1) inhibitors.
AID1226036Activity of 10 uM recombinant human TDO assessed as substrate consumption at 100 uM at 37 degC at pH 7.5 after 1 hr by HPLC with fluorescence detection method2015ACS medicinal chemistry letters, Mar-12, Volume: 6, Issue:3
N (1)-Fluoroalkyltryptophan Analogues: Synthesis and in vitro Study as Potential Substrates for Indoleamine 2,3-Dioxygenase.
AID1583619Antitumor activity against mouse B16F10 cells implanted in C57BL/6 cells assessed as tumor growth inhibition at 200 mg/kg, iv administered once every 2 days for 3 weeks in combination with stattic at 50 mg/kg and measured after 21 days relative to control2020Journal of medicinal chemistry, 02-27, Volume: 63, Issue:4
Bifunctional Naphthoquinone Aromatic Amide-Oxime Derivatives Exert Combined Immunotherapeutic and Antitumor Effects through Simultaneous Targeting of Indoleamine-2,3-dioxygenase and Signal Transducer and Activator of Transcription 3.
AID1583622Toxicity in C57BL/6 mouse xenografted with wild type mouse B16F10 cells assessed as increase in body weight at 200 mg/kg, iv administered once every 2 days for 3 weeks in combination with static at 50 mg/kg and measured after 21 days2020Journal of medicinal chemistry, 02-27, Volume: 63, Issue:4
Bifunctional Naphthoquinone Aromatic Amide-Oxime Derivatives Exert Combined Immunotherapeutic and Antitumor Effects through Simultaneous Targeting of Indoleamine-2,3-dioxygenase and Signal Transducer and Activator of Transcription 3.
AID1558449Binding affinity to human IDO1 at 200 uM by STD NMR spectrometry analysis
AID1583620Toxicity in C57BL/6 mouse xenografted with wild type mouse B16F10 cells assessed as increase in body weight at 200 mg/kg, iv administered once every 2 days for 3 weeks and measured after 21 days2020Journal of medicinal chemistry, 02-27, Volume: 63, Issue:4
Bifunctional Naphthoquinone Aromatic Amide-Oxime Derivatives Exert Combined Immunotherapeutic and Antitumor Effects through Simultaneous Targeting of Indoleamine-2,3-dioxygenase and Signal Transducer and Activator of Transcription 3.
AID1332706Inhibition of recombinant human C-terminal His6-tagged IDO2 (14-420 residues) expressed in Escherichia coli BL21(DE3) assessed as reduction in L-kynurenine formation using L-tryptophan as substrate after 30 mins in presence of catalase by methylene blue d2016European journal of medicinal chemistry, Nov-10, Volume: 123Establishment of a human indoleamine 2, 3-dioxygenase 2 (hIDO2) bioassay system and discovery of tryptanthrin derivatives as potent hIDO2 inhibitors.
AID1346186Human indoleamine 2,3-dioxygenase 1 (1.13.11.- Dioxygenases)2013Journal of medicinal chemistry, Nov-14, Volume: 56, Issue:21
Discovery of tryptanthrin derivatives as potent inhibitors of indoleamine 2,3-dioxygenase with therapeutic activity in Lewis lung cancer (LLC) tumor-bearing mice.
AID625725Inhibition of human recombinant indoleamine-2,3-dioxygenase expressed in Escherichia coli BL21 using L-tryptophan as substrate after 30 mins by microplate reader analysis2011European journal of medicinal chemistry, Nov, Volume: 46, Issue:11
Structure-activity relationship and enzyme kinetic studies on 4-aryl-1H-1,2,3-triazoles as indoleamine 2,3-dioxygenase (IDO) inhibitors.
AID1379946Inhibition of IDO1 in human IFN-gamma stimulated human HeLa cells assessed as inhibition of kynurenine production using L-tryptophan substrate incubated for 24 hrs2017European journal of medicinal chemistry, Nov-10, Volume: 140Discovery of imidazoleisoindole derivatives as potent IDO1 inhibitors: Design, synthesis, biological evaluation and computational studies.
AID1348816Inhibition of human IDO1 assessed as reduction in kynurenine production2018European journal of medicinal chemistry, Jan-01, Volume: 143Recent discovery of indoleamine-2,3-dioxygenase 1 inhibitors targeting cancer immunotherapy.
AID422790Activity at 1.62 uM Aspergillus fumigatus CdpNPT assessed as compound conversion rate at 1 mM after 2 hrs by HPLC analysis in presence of dimethylallyl diphosphate relative to L-tryptophan2009Journal of natural products, Jan, Volume: 72, Issue:1
Substrate promiscuity of the cyclic dipeptide prenyltransferases from Aspergillus fumigatus ( section sign).
AID1180153Inhibition of human recombinant IDO using L-tryptophan as substrate2014Bioorganic & medicinal chemistry letters, Aug-01, Volume: 24, Issue:15
Discovery and structure-activity relationships of phenyl benzenesulfonylhydrazides as novel indoleamine 2,3-dioxygenase inhibitors.
AID625724Competitive inhibition of indoleamine-2,3-dioxygenase2011European journal of medicinal chemistry, Nov, Volume: 46, Issue:11
Structure-activity relationship and enzyme kinetic studies on 4-aryl-1H-1,2,3-triazoles as indoleamine 2,3-dioxygenase (IDO) inhibitors.
AID422795Activity at 1.68 uM Aspergillus fumigatus FtmPT1 assessed as compound conversion rate at 1 mM after 16 hrs by HPLC analysis in presence of dimethylallyl diphosphate relative to L-tryptophan2009Journal of natural products, Jan, Volume: 72, Issue:1
Substrate promiscuity of the cyclic dipeptide prenyltransferases from Aspergillus fumigatus ( section sign).
AID422794Activity at 1.68 uM Aspergillus fumigatus FtmPT1 assessed as compound conversion rate at 1 mM after 2 hrs by HPLC analysis in presence of dimethylallyl diphosphate relative to L-tryptophan2009Journal of natural products, Jan, Volume: 72, Issue:1
Substrate promiscuity of the cyclic dipeptide prenyltransferases from Aspergillus fumigatus ( section sign).
AID731011Inhibition of human recombinant IDO assessed as inhibition of indoleamine 2,3-dioxygenase to kynurenine conversion after 60 mins by HPLC analysis2013Bioorganic & medicinal chemistry, Mar-01, Volume: 21, Issue:5
Synthesis and biological evaluation of novel tryptoline derivatives as indoleamine 2,3-dioxygenase (IDO) inhibitors.
AID1348829Inhibition of human IDO1 expressed in African green monkey COS1 cells2018European journal of medicinal chemistry, Jan-01, Volume: 143Recent discovery of indoleamine-2,3-dioxygenase 1 inhibitors targeting cancer immunotherapy.
AID384942Inhibition of human recombinant indoleamine 2,3-dioxygenase2008Journal of medicinal chemistry, May-08, Volume: 51, Issue:9
Synthesis of indoleamine 2,3-dioxygenase inhibitory analogues of the sponge alkaloid exiguamine A.
AID1252323Inhibition of IDO1 (unknown origin)2015Journal of medicinal chemistry, Nov-25, Volume: 58, Issue:22
Challenges and Opportunities in the Discovery of New Therapeutics Targeting the Kynurenine Pathway.
AID422792Activity at 1.62 uM Aspergillus fumigatus CdpNPT assessed as compound conversion rate at 1 mM after 16 hrs by HPLC analysis in presence of dimethylallyl diphosphate relative to L-tryptophan2009Journal of natural products, Jan, Volume: 72, Issue:1
Substrate promiscuity of the cyclic dipeptide prenyltransferases from Aspergillus fumigatus ( section sign).
AID1798147Enzyme Inhibition Assay from Article 10.1021/jm800143h: \\Synthesis of indoleamine 2,3-dioxygenase inhibitory analogues of the sponge alkaloid exiguamine a.\\2008Journal of medicinal chemistry, May-08, Volume: 51, Issue:9
Synthesis of indoleamine 2,3-dioxygenase inhibitory analogues of the sponge alkaloid exiguamine A.
[information is prepared from bioassay data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (151)

TimeframeStudies, This Drug (%)All Drugs %
pre-19901 (0.66)18.7374
1990's0 (0.00)18.2507
2000's17 (11.26)29.6817
2010's97 (64.24)24.3611
2020's36 (23.84)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 30.73

According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be moderate demand-to-supply ratio for research on this compound.

MetricThis Compound (vs All)
Research Demand Index30.73 (24.57)
Research Supply Index2.20 (2.92)
Research Growth Index4.92 (4.65)
Search Engine Demand Index36.02 (26.88)
Search Engine Supply Index2.00 (0.95)

This Compound (30.73)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials4 (2.76%)5.53%
Trials0 (0.00%)5.53%
Reviews6 (4.14%)6.00%
Reviews2 (25.00%)6.00%
Case Studies1 (0.69%)4.05%
Case Studies0 (0.00%)4.05%
Observational0 (0.00%)0.25%
Observational0 (0.00%)0.25%
Other134 (92.41%)84.16%
Other6 (75.00%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]