Evidence map›Paper›PMID 22327401›Full record

ArticleNature chemical biology2012

Halofuginone and other febrifugine derivatives inhibit prolyl-tRNA synthetase.

Tracy L Keller, Davide Zocco, Mark S Sundrud, Margaret Hendrick, Maja Edenius, Jinah Yum, Yeon-Jin Kim, Hak-Kyo Lee, Joseph F Cortese, Dyann F Wirth and 5 more

Abstract read
In one paragraph

Article in Nature chemical biology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 212 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
212citing papers in PubMed, 1 pooled it
8.2field-weighted citation impact, top 2% 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

212 citing papers in PubMed, 1 synthesis or guideline pooled it, 394 citations in OpenAlex.

  1. Pooled it
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  13. Structural basis for pseudokinase-mediated regulation of GCN2 in the integrated stress response.Proceedings of the National Academy of Sciences of the United States of America · 2026
    Article
  14. Article
  15. Review
  16. Repurposing approved drugs targetingFrontiers in cellular and infection microbiology · 2026
    Article
  17. Review
  18. Article
  19. Article
  20. Article

152 more citing papers are in PubMed but not listed here.

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

15 authors at 6 institutions in 2 countries.

Tracy L KellerDepartment of Developmental Biology, Harvard School of Dental Medicine, Boston, Massachusetts, USA. tkeller@hms.harvard.edu
Davide Zocco
Mark S Sundrud
Margaret Hendrick
Maja Edenius
Jinah Yum
Yeon-Jin Kim
Hak-Kyo Lee
Joseph F Cortese
Dyann F Wirth
John David Dignam
Anjana Rao
Chang-Yeol Yeo
Ralph Mazitschek
Malcolm Whitman
Harvard University · USEwha Womans University · KRBroad Institute · USBoston Children's Hospital · USHankyong National University · KRUniversity of Toledo · US

Funding

SIGNAL TRANSDUCTION AND GENE INDUCTION IN T LYMPHOCYTESR01AI040127 · NIAID · LA JOLLA INSTITUTE FOR IMMUNOLOGY · PI HOGAN, PATRICK, RAO, ANJANA · 1996 to 2025
$13.3M
TRANSCRIPTIONAL MECHANISMS UNDERLYING TOLERANCER01AI048213 · NIAID · IMMUNE DISEASE INSTITUTE, INC. · PI RAO, ANJANA · 2000 to 2009
$5.2M
MECHANISM OF ACTION OF HALOFUGINONE AS A NOVEL THERAPEUTICR01GM089885 · NIGMS · HARVARD MEDICAL SCHOOL · PI WHITMAN, MALCOLM R. · 2010 to 2013
$1.5M
NIAID NIH HHS AI40127NIAID NIH HHS AI48213NIAID NIH HHS R01 AI040127NIGMS NIH HHS GM089885NIGMS NIH HHS R01 GM089885
6 · The paper itself

Abstract

Febrifugine, the bioactive constituent of one of the 50 fundamental herbs of traditional Chinese medicine, has been characterized for its therapeutic activity, though its molecular target has remained unknown. Febrifugine derivatives have been used to treat malaria, cancer, fibrosis and inflammatory disease. We recently demonstrated that halofuginone (HF), a widely studied derivative of febrifugine, inhibits the development of T(H)17-driven autoimmunity in a mouse model of multiple sclerosis by activating the amino acid response (AAR) pathway. Here we show that HF binds glutamyl-prolyl-tRNA synthetase (EPRS), inhibiting prolyl-tRNA synthetase activity; this inhibition is reversed by the addition of exogenous proline or EPRS. We further show that inhibition of EPRS underlies the broad bioactivities of this family of natural product derivatives. This work both explains the molecular mechanism of a promising family of therapeutics and highlights the AAR pathway as an important drug target for promoting inflammatory resolution.

Indexed as

Amino Acyl-tRNA SynthetasesAnimalsCell DifferentiationDose-Response Relationship, DrugEnzyme InhibitorsHumansMiceMice, Inbred C57BLPiperidinesQuinazolinesQuinazolinonesStructure-Activity RelationshipTh17 CellsAmino Acyl-tRNA SynthetasesEnzyme Inhibitorsfebrifugineglutamyl-prolyl-tRNA synthetasehalofuginonePiperidinesQuinazolinesQuinazolinones

Identifiers

PMID22327401
PMCPMC3281520
OpenAlexW2050906087

What OpenQuestion holds

Textmetadata
LicenceTDM
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.