Evidence map›Paper›PMID 23957426›Full record

ArticleJournal of medicinal chemistry2013

Identification of cryptotanshinone as an inhibitor of oncogenic protein tyrosine phosphatase SHP2 (PTPN11).

Wei Liu, Bing Yu, Gang Xu, Wei-Ren Xu, Mignon L Loh, Li-Da Tang, Cheng-Kui Qu

Open access · greenAbstract read
In one paragraph

Article in Journal of medicinal chemistry, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed
2.2field-weighted citation impact, top 12% 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

30 citing papers in PubMed, 71 citations in OpenAlex.

  1. Article
  2. Review
  3. A Review of Cryptotanshinone and its Nanoformulation in Cancer Therapy.Anti-cancer agents in medicinal chemistry · 2025
    Review
  4. Article
  5. Review
  6. Article
  7. Article
  8. Review
  9. Article
  10. Review
  11. RETRACTED: Protein Tyrosine Phosphatase Non-Receptor 11 (International journal of molecular sciences · 2023
    Article
  12. Article
  13. Review
  14. Review
  15. Article
  16. Review
  17. Review
  18. Article
  19. Review
  20. Article
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

7 authors at 3 institutions in 2 countries.

Wei LiuDepartment of Medicine, Division of Hematology and Oncology, Case Comprehensive Cancer Center, Case Western Reserve University , 10900 Euclid Avenue, Cleveland, Ohio 44106, United States.
Bing Yu
Gang Xu
Wei-Ren Xu
Mignon L Loh
Li-Da Tang
Cheng-Kui Qu
Case Western Reserve University · USTianjin Institute of Pharmaceutical Research (China) · CNUniversity of California, San Francisco · US

Funding

Tyrosine Phosphatases and Hematopoietic Cell RegulationR01HL068212 · NHLBI · UNIVERSITY OF MARYLAND BALTIMORE · PI QU, CHENG-KUI · 2002 to 2012
$3.2M
Targeting SHP2 Phosphatase for Hematologic Malignancies in Noonan SyndromeR21HD070716 · NICHD · CASE WESTERN RESERVE UNIVERSITY · PI QU, CHENG-KUI · 2011 to 2012
$432k
NHLBI NIH HHS HL068212NHLBI NIH HHS R01 HL068212NICHD NIH HHS HD070716NICHD NIH HHS R21 HD070716
6 · The paper itself

Abstract

Activating mutations of PTPN11 (encoding the SHP2 phosphatase) are associated with Noonan syndrome, childhood leukemias, and sporadic solid tumors. Virtual screening combined with experimental assays was performed to identify inhibitors of SHP2 from a database of natural products. This effort led to the identification of cryptotanshinone as an inhibitor of SHP2. Cryptotanshinone inhibited SHP2 with an IC50 of 22.50 μM. Fluorescence titration experiments confirmed that it directly bound to SHP2. Enzymatic kinetic analyses showed that cryptotanshinone was a mixed-type and irreversible inhibitor. This drug was further verified for its ability to block SHP2-mediated cell signaling and cellular functions. Furthermore, mouse myeloid progenitors and patient leukemic cells with the activating mutation E76K in PTPN11 were found to be sensitive to this inhibitor. Since cryptotanshinone is used to treat cardiovascular diseases in Asian countries, this drug has a potential to be used directly or to be further developed to treat PTPN11-associated malignancies.

Indexed as

AnimalsCatalytic DomainCell Line, TumorComputer-Aided DesignDrug Evaluation, PreclinicalEnzyme ActivationEnzyme InhibitorsHumansMiceModels, MolecularMutationPhenanthrenesProtein Tyrosine Phosphatase, Non-Receptor Type 11cryptotanshinoneEnzyme InhibitorsPhenanthrenesProtein Tyrosine Phosphatase, Non-Receptor Type 11PTPN11 protein, human

Identifiers

PMID23957426
PMCPMC4159095
OpenAlexW2048864213

What OpenQuestion holds

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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.