Evidence map›Paper›PMID 40410168›Full record

ArticleNature communications2025

Linker-free PROTACs efficiently induce the degradation of oncoproteins.

Jianchao Zhang, Congli Chen, Xiao Chen, Kefan Liao, Fengming Li, Xiaoxiao Song, Chaowei Liu, Ming-Yuan Su, Huiyong Sun, Tingjun Hou and 3 more

Abstract read
In one paragraph

Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
–field-weighted citation impact
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

14 citing papers in PubMed.

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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

13 authors.

Jianchao Zhang *Department of Biochemistry, School of Medicine, Southern University of Science and Technology, Shenzhen, China.ORCID http://orcid.org/0000-0003-2010-9575
Congli Chen *Guangdong Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials, Key Laboratory of Biomedical Imaging Science and System, Chinese Academy of Sciences, State Key Laboratory of Biomedical Imaging Science and System, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology (SIAT), Chinese Academy of Sciences, Shenzhen, China.
Xiao Chen *Department of Biochemistry, School of Medicine, Southern University of Science and Technology, Shenzhen, China.
Kefan LiaoDepartment of Biochemistry, School of Medicine, Southern University of Science and Technology, Shenzhen, China.ORCID http://orcid.org/0009-0007-3432-7019
Fengming LiDepartment of Chemistry, Southern University of Science and Technology, Shenzhen, China.
Xiaoxiao SongDepartment of Biochemistry, School of Medicine, Southern University of Science and Technology, Shenzhen, China.
Chaowei LiuDepartment of Biochemistry, School of Medicine, Southern University of Science and Technology, Shenzhen, China.
Ming-Yuan SuDepartment of Biochemistry, School of Medicine, Southern University of Science and Technology, Shenzhen, China.ORCID http://orcid.org/0000-0003-1581-0914
Huiyong SunDepartment of Medicinal Chemistry, China Pharmaceutical University, Nanjing, Jiangsu, China.ORCID http://orcid.org/0000-0002-7107-7481
Tingjun HouCollege of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, China.ORCID http://orcid.org/0000-0001-7227-2580
Chris Soon Heng TanDepartment of Chemistry, Southern University of Science and Technology, Shenzhen, China.ORCID http://orcid.org/0000-0002-8172-5235
Lijing FangGuangdong Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials, Key Laboratory of Biomedical Imaging Science and System, Chinese Academy of Sciences, State Key Laboratory of Biomedical Imaging Science and System, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology (SIAT), Chinese Academy of Sciences, Shenzhen, China. lj.fang@siat.ac.cn.ORCID http://orcid.org/0000-0001-7355-3923
Hai RaoDepartment of Biochemistry, School of Medicine, Southern University of Science and Technology, Shenzhen, China. raoh@sustech.edu.cn.ORCID http://orcid.org/0000-0002-4235-2210

Funding

National Natural Science Foundation of China (National Science Foundation of China) 82170159National Natural Science Foundation of China (National Science Foundation of China) 82473177Natural Science Foundation of Guangdong Province (Guangdong Natural Science Foundation) 2023A1515011765Natural Science Foundation of Guangdong Province (Guangdong Natural Science Foundation) 2025A1515011516
6 · The paper itself

Abstract

Proteolysis-targeting chimeras (PROTACs) present a potentially effective strategy against various diseases via selective proteolysis. How to increase the efficacy of PROTACs remains challenging. Here, we explore the necessity of the linker, which has been deemed as an integral part of heterobifunctional PROTACs. Adopting single amino acid-based degradation signals, we find that the linker is not a required feature of the PROTACs. Notably, the linker-free PROTAC, Pro-BA, exhibits superior efficacy over its linker-bearing counterparts in degrading EML4-ALK and inhibiting lung cancer cell growth, as Pro-BA induces a stronger interaction between the target and the E3 ubiquitin ligase. Pro-BA is a water-soluble, orally administered degrader that significantly inhibits the tumor growth in a xenograft mouse model. The broad applicability of this linker-free PROTAC strategy is further validated through the development of BCR-ABL degrader. Our study introduces a design paradigm for PROTACs, potentially facilitating the advancement of more efficient therapeutic degraders.

Indexed as

Antineoplastic AgentsLung NeoplasmsOncogene ProteinsProteolysisAnimalsCell Line, TumorCell ProliferationFusion Proteins, bcr-ablHumansMiceProteolysis Targeting ChimeraUbiquitin-Protein LigasesXenograft Model Antitumor AssaysAntineoplastic AgentsFusion Proteins, bcr-ablOncogene ProteinsProteolysis Targeting ChimeraUbiquitin-Protein Ligases

Identifiers

PMID40410168
PMCPMC12102262

What OpenQuestion holds

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LicenceCC BY-NC-ND
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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.