Evidence map›Paper›PMID 35003126›Full record

ReviewFrontiers in immunology2021

Indoleamine 2,3-Dioxygenase 1: A Promising Therapeutic Target in Malignant Tumor.

Xiaotian Song, Qianqian Si, Rui Qi, Weidan Liu, Miao Li, Mengyue Guo, Lin Wei, Zhiyan Yao

Open access · goldAbstract readReview
In one paragraph

Review in Frontiers in immunology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
48citing papers in PubMed, 2 pooled it
3.0field-weighted citation impact, top 7% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

48 citing papers in PubMed, 2 syntheses or guidelines pooled it, 71 citations in OpenAlex.

  1. Pooled it
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  7. Article
  8. Review
  9. Metabolic Cross Talk in the Tumor Microenvironment.Cancer treatment and research · 2026
    Review
  10. Metabolic Control of Immunity-Unveiling Neutrophil Mechanisms.Advances in experimental medicine and biology · 2026
    Review
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  12. Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 1 institution in 1 country.

Xiaotian SongDepartment of Immunology, Hebei Medical University, Shijiazhuang, China.
Qianqian SiDepartment of Immunology, Hebei Medical University, Shijiazhuang, China.
Rui QiDepartment of Immunology, Hebei Medical University, Shijiazhuang, China.
Weidan LiuDepartment of Clinical Laboratory, The People's Hospital, Pingxiang County, Xingtai, China.
Miao LiDepartment of Immunology, Hebei Medical University, Shijiazhuang, China.
Mengyue GuoDepartment of Immunology, Hebei Medical University, Shijiazhuang, China.
Lin WeiDepartment of Immunology, Hebei Medical University, Shijiazhuang, China.
Zhiyan YaoDepartment of Immunology, Hebei Medical University, Shijiazhuang, China.
Hebei Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Tumorigenesis is a complex multifactorial and multistep process in which tumors can utilize a diverse repertoire of immunosuppressive mechanisms to evade host immune attacks. The degradation of tryptophan into immunosuppressive kynurenine is considered an important immunosuppressive mechanism in the tumor microenvironment. There are three enzymes, namely, tryptophan 2,3-dioxygenase (TDO), indoleamine 2,3-dioxygenase 1 (IDO1), and indoleamine 2,3-dioxygenase 2 (IDO2), involved in the metabolism of tryptophan. IDO1 has a wider distribution and higher activity in catalyzing tryptophan than the other two; therefore, it has been studied most extensively. IDO1 is a cytosolic monomeric, heme-containing enzyme, which is now considered an authentic immune regulator and represents one of the promising drug targets for tumor immunotherapy. Collectively, this review highlights the regulation of IDO1 gene expression and the ambivalent mechanisms of IDO1 on the antitumoral immune response. Further, new therapeutic targets

Indexed as

AnimalsHumansImmune ToleranceIndoleamine-Pyrrole 2,3,-DioxygenaseMolecular Targeted TherapyNeoplasmsTryptophanTumor MicroenvironmentIDO1 protein, humanIndoleamine-Pyrrole 2,3,-DioxygenaseTryptophanIDO1immunotherapykynureninetryptophantumor immune escape

Identifiers

PMID35003126
PMCPMC8733291
OpenAlexW4200483027

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.