Evidence map›Paper›PMID 30906631›Full record

ArticleAmerican journal of cancer research2019

MiR-1205 functions as a tumor suppressor by disconnecting the synergy between KRAS and MDM4/E2F1 in non-small cell lung cancer.

Hong Yan, Xiaoying Chen, Yu Li, Lei Fan, Yusi Tai, Yang Zhou, Yuxiang Chen, Xinming Qi, Ruimin Huang, Jin Ren

Erratum issuedOpen access · greenAbstract read
In one paragraph

Article in American journal of cancer research, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
1.8field-weighted citation impact, top 16% 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

27 citing papers in PubMed, 30 citations in OpenAlex.

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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

10 authors at 3 institutions in 1 country.

Hong YanCenter for Drug Safety Evaluation and Research, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203, China.
Xiaoying ChenCenter for Drug Safety Evaluation and Research, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203, China.
Yu LiCenter for Drug Safety Evaluation and Research, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203, China.
Lei FanCenter for Drug Safety Evaluation and Research, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203, China.
Yusi TaiCenter for Drug Safety Evaluation and Research, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203, China.
Yang ZhouCenter for Drug Safety Evaluation and Research, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203, China.
Yuxiang ChenCenter for Drug Safety Evaluation and Research, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203, China.
Xinming QiCenter for Drug Safety Evaluation and Research, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203, China.
Ruimin HuangUniversity of Chinese Academy of Sciences Beijing 100049, China.
Jin RenCenter for Drug Safety Evaluation and Research, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203, China.
University of Chinese Academy of Sciences · CNShanghai Institute of Materia Medica · CNChinese Academy of Sciences · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Activated KRAS is frequently observed and paralleled by inactivating of tumor suppressors in lung cancer, while the mechanisms remained elusive. Here, our study revealed a microRNA was involved in KRAS overexpression, activation of KRAS signaling and its synergy with inactivating of tumor suppressor genes. miR-1205 was selected by its sequence-dependent inhibition on KRAS and negative clinical correlation with KRAS. A549 and H460 cells carrying mutant KRAS, were sensitive to the growth inhibition and G1/S arrest induced by miR-1205. Target analysis revealed that miR-1205 could simultaneously downregulate the expression levels of MDM4 and E2F1, which were downstream of KRAS and synergistic with KRAS. Silencing of MDM4 or E2F1 inhibited cellular proliferation. MiR-1205 decreased the protein levels of MDM4 and E2F1 via directly binding to the coding sequence of E2F1 and 3'UTR of MDM4. Meanwhile, blocking RAS-MAPK signaling using KRAS siRNA or ERK1/2 inhibitor exerted similar inhibitory effects on MDM4 and E2F1. Forced expression of KRAS partially restored the inhibition of miR-1205 on MDM4 and E2F1. Overexpression of KRAS, MDM4 or E2F1 could partially rescued the growth inhibition of miR-1205 in vitro. More importantly, miR-1205 strongly inhibited the tumor growth of A549 xenografts in nude mice and decreased the protein levels of KRAS, MDM4 and E2F1 in tumor tissues. Together, our study firstly confirmed a potential synergy between KRAS and MDM4/E2F1 which are p53/RB inactivators in non-small cell lung cancer, and identified miR-1205 as a potent destructor of this synergy, making miR-1205 function as a tumor suppressor in vitro and in vivo.

Indexed as

E2F1inactivator of tumor suppressor genesKRASMDM4microRNAoncogene activation

Identifiers

PMID30906631
PMCPMC6405972
OpenAlexW2996652874

What OpenQuestion holds

Textmetadata
Read underepoch 390

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.