Evidence map›Paper›PMID 33133483›Full record

ArticleChemical science2020

Systematic exploration of different E3 ubiquitin ligases: an approach towards potent and selective CDK6 degraders.

Christian Steinebach, Yuen Lam Dora Ng, Izidor Sosič, Chih-Shia Lee, Sirui Chen, Stefanie Lindner, Lan Phuong Vu, Aleša Bricelj, Reza Haschemi, Marius Monschke and 6 more

Open access · diamondAbstract read
In one paragraph

Article in Chemical science, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 77 papers.

0numbers the graph read from it
0cells of the map it votes in
77citing papers in PubMed
6.7field-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

77 citing papers in PubMed, 132 citations in OpenAlex.

  1. Review
  2. Review
  3. Article
  4. Article
  5. First Generation Proteolysis Targeting Chimeras (PROTACs) for the Treatment of Progeria.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026
    Article
  6. Review
  7. Review
  8. Review
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  10. A Facile Protocol for C(spChemMedChem · 2026
    Article
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  12. FDA-approved kinase inhibitors in PROTAC design, development and synthesis.Journal of enzyme inhibition and medicinal chemistry · 2025
    Review
  13. Article
  14. Review
  15. Review
  16. Article
  17. Article
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  20. Article

17 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

16 authors at 4 institutions in 4 countries.

Christian SteinebachPharmaceutical Institute , Department of Pharmaceutical & Medicinal Chemistry , University of Bonn , An der Immenburg 4 , 53121 Bonn , Germany . Email: guetschow@uni-bonn.de.ORCID 0000-0001-5638-1955
Yuen Lam Dora NgDepartment of Internal Medicine III , University Hospital Ulm , Albert-Einstein-Allee 23 , 89081 Ulm , Germany . Email: jan.kroenke@uni-ulm.de.
Izidor SosičFaculty of Pharmacy , University of Ljubljana , Aškerčeva cesta 7 , 1000 Ljubljana , Slovenia.ORCID 0000-0002-3370-4587
Chih-Shia LeeLaboratory of Cancer Biology and Genetics , Center for Cancer Research , National Cancer Institute , Bethesda , MD 20892 , USA.
Sirui ChenDepartment of Internal Medicine III , University Hospital Ulm , Albert-Einstein-Allee 23 , 89081 Ulm , Germany . Email: jan.kroenke@uni-ulm.de.
Stefanie LindnerDepartment of Internal Medicine III , University Hospital Ulm , Albert-Einstein-Allee 23 , 89081 Ulm , Germany . Email: jan.kroenke@uni-ulm.de.
Lan Phuong VuPharmaceutical Institute , Department of Pharmaceutical & Medicinal Chemistry , University of Bonn , An der Immenburg 4 , 53121 Bonn , Germany . Email: guetschow@uni-bonn.de.
Aleša BriceljFaculty of Pharmacy , University of Ljubljana , Aškerčeva cesta 7 , 1000 Ljubljana , Slovenia.ORCID 0000-0002-8090-4477
Reza HaschemiPharmaceutical Institute , Department of Pharmaceutical & Cell Biological Chemistry , University of Bonn , An der Immenburg 4 , 53121 Bonn , Germany.
Marius MonschkePharmaceutical Institute , Pharmaceutical Technology , University of Bonn , Gerhard-Domagk-Straße 3 , 53121 Bonn , Germany.
Elisabeth SteinwarzPharmaceutical Institute , Department of Pharmaceutical & Cell Biological Chemistry , University of Bonn , An der Immenburg 4 , 53121 Bonn , Germany.
Karl G WagnerPharmaceutical Institute , Pharmaceutical Technology , University of Bonn , Gerhard-Domagk-Straße 3 , 53121 Bonn , Germany.
Gerd BendasPharmaceutical Institute , Department of Pharmaceutical & Cell Biological Chemistry , University of Bonn , An der Immenburg 4 , 53121 Bonn , Germany.
Ji LuoLaboratory of Cancer Biology and Genetics , Center for Cancer Research , National Cancer Institute , Bethesda , MD 20892 , USA.
Michael GütschowPharmaceutical Institute , Department of Pharmaceutical & Medicinal Chemistry , University of Bonn , An der Immenburg 4 , 53121 Bonn , Germany . Email: guetschow@uni-bonn.de.ORCID 0000-0002-9376-7897
Jan KrönkeDepartment of Internal Medicine III , University Hospital Ulm , Albert-Einstein-Allee 23 , 89081 Ulm , Germany . Email: jan.kroenke@uni-ulm.de.ORCID 0000-0002-4649-0506
University of Bonn · DEUniversity Hospital Ulm · DENational Cancer Institute · USUniversity of Ljubljana · SI

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Cyclin-dependent kinase 6 (CDK6) is an important regulator of the cell cycle. Together with CDK4, it phosphorylates and inactivates retinoblastoma (Rb) protein. In tumour cells, CDK6 is frequently upregulated and CDK4/6 kinase inhibitors like palbociclib possess high activity in breast cancer and other malignancies. Besides its crucial catalytic function, kinase-independent roles of CDK6 have been described. Therefore, targeted degradation of CDK6 may be advantageous over kinase inhibition. Proteolysis targeting chimeras (PROTACs) structurally based on the cereblon (CRBN) ligand thalidomide have recently been described to degrade the targets CDK4/6. However, CRBN-based PROTACs have several limitations including the remaining activity of immunomodulatory drugs (IMiDs) on Ikaros transcription factors as well as CRBN inactivation as a resistance mechanism in cancer. Here, we systematically explored the chemical space of CDK4/6 PROTACs by addressing different E3 ligases and connecting their respective small-molecule binders

Identifiers

PMID33133483
PMCPMC7552917
OpenAlexW3009753365

What OpenQuestion holds

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Registered trials

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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.