Evidence map›Paper›PMID 33990203›Full record

ArticleJournal of experimental & clinical cancer research : CR2021

HSP90-dependent PUS7 overexpression facilitates the metastasis of colorectal cancer cells by regulating LASP1 abundance.

Dan Song, Ming Guo, Shuai Xu, Xiaotian Song, Bin Bai, Zhengyan Li, Jie Chen, Yanxin An, Yongzhan Nie, Kaichun Wu and 2 more

Open access · goldAbstract read
In one paragraph

Article in Journal of experimental & clinical cancer research : CR, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.

0numbers the graph read from it
0cells of the map it votes in
42citing papers in PubMed
3.9field-weighted citation impact, top 5% 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

42 citing papers in PubMed, 62 citations in OpenAlex.

  1. Pseudouridine synthase 7 as a context-specific therapeutic target in cancer.The Journal of pharmacology and experimental therapeutics · 2026
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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

12 authors at 6 institutions in 1 country.

Dan SongState key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, 710032, Xi'an, Shaanxi Province, China.
Ming GuoDepartment of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China.
Shuai XuState key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, 710032, Xi'an, Shaanxi Province, China.
Xiaotian SongState key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, 710032, Xi'an, Shaanxi Province, China.
Bin BaiState key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, 710032, Xi'an, Shaanxi Province, China.
Zhengyan LiDepartment of General Surgery, Center for Minimally Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University, No. 30 Gao Tan Yan Road, Chongqing, 400038, China.
Jie ChenState key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, 710032, Xi'an, Shaanxi Province, China.
Yanxin AnDepartment of General Surgery, the First Affiliated Hospital of Xi 'an Medical University, No. 48 Fenghao West Road, Lianhu District, Xi'an, 710077, Shaanxi Province, China.
Yongzhan NieState key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, 710032, Xi'an, Shaanxi Province, China.
Kaichun WuState key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, 710032, Xi'an, Shaanxi Province, China.
Shiqi WangDepartment of Gastrointestinal Surgery, Xijing Hospital of Digestive Diseases, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, Shaanxi Province, China. wsqfmmu@fmmu.edu.cn.
Qingchuan ZhaoState key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, 710032, Xi'an, Shaanxi Province, China. zhaoqc@fmmu.edu.cn.
National Clinical Research Center for Digestive Diseases · CNAir Force Medical University · CNXijing Hospital · CNArmy Medical University · CNWuhan University · CNXi'an Medical University · CN

Funding

National Key Basic Research Program of China 2014CBA02002)National Key Research and Development Program of China 2017YFC0908300National Key Research and Development Program of China 2017YFC1311002National Key Research and Development Program of China 2017YFC1311004National Key Research and Development Program of Shan'xi province, China 2017ZDXM-SF-053National Natural Science Foundation of China 81400662National Natural Science Foundation of China 81421003
6 · The paper itself

Abstract

backgroundPseudouridine synthase (PUS) 7 is a member of the PUS family that catalyses pseudouridine formation. It has been shown to be involved in intellectual development and haematological malignancies. Nevertheless, the role and the underlying molecular mechanisms of PUS7 in solid tumours, such as colorectal cancer (CRC), remain unexplored. This study elucidated, for the first time, the role of PUS7 in CRC cell metastasis and the underlying mechanisms.

methodsWe conducted immunohistochemistry, qPCR, and western blotting to quantify the expression of PUS7 in CRC tissues as well as cell lines. Besides, diverse in vivo and in vitro functional tests were employed to establish the function of PUS7 in CRC. RNA-seq and proteome profiling analysis were also applied to identify the targets of PUS7. PUS7-interacting proteins were further uncovered using immunoprecipitation and mass spectrometry.

resultsOverexpression of PUS7 was observed in CRC tissues and was linked to advanced clinical stages and shorter overall survival. PUS7 silencing effectively repressed CRC cell metastasis, while its upregulation promoted metastasis, independently of the PUS7 catalytic activity. LASP1 was identified as a downstream effector of PUS7. Forced LASP1 expression abolished the metastasis suppression triggered by PUS7 silencing. Furthermore, HSP90 was identified as a client protein of PUS7, associated with the increased PUS7 abundance in CRC. NMS-E973, a specific HSP90 inhibitor, also showed higher anti-metastatic activity when combined with PUS7 repression. Importantly, in line with these results, in human CRC tissues, the expression of PUS7 was positively linked to the expression of HSP90 and LASP1, and patients co-expressing HSP90/PUS7/LASP1 showed a worse prognosis.

conclusionsThe HSP90-dependent PUS7 upregulation promotes CRC cell metastasis via the regulation of LASP1. Thus, targeting the HSP90/PUS7/LASP1 axis may be a novel approach for the treatment of CRC.

Indexed as

Adaptor Proteins, Signal TransducingAnimalsCell Line, TumorColorectal NeoplasmsCytoskeletal ProteinsHSP90 Heat-Shock ProteinsHumansIntramolecular TransferasesLIM Domain ProteinsMiceMice, NudeNeoplasm MetastasisAdaptor Proteins, Signal TransducingCytoskeletal ProteinsHSP90 Heat-Shock ProteinsIntramolecular TransferasesLASP1 protein, humanLIM Domain ProteinsPUS7 protein, humanColorectal cancerHSP90LASP1MetastasisPUS7

Identifiers

PMID33990203
PMCPMC8120699
OpenAlexW3161685809

What OpenQuestion holds

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LicenceCC BY
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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.