Evidence map›Paper›PMID 30952937›Full record

ArticleScientific reports2019

MicroRNA let-7g acts as tumor suppressor and predictive biomarker for chemoresistance in human epithelial ovarian cancer.

Flavia Biamonte, Gianluca Santamaria, Alessandro Sacco, Francesca Marta Perrone, Annalisa Di Cello, Anna Martina Battaglia, Alessandro Salatino, Anna Di Vito, Ilenia Aversa, Roberta Venturella and 2 more

Abstract read
In one paragraph

Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 57 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
57citing papers in PubMed, 1 pooled it
–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

57 citing papers in PubMed, 1 synthesis or guideline pooled it.

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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.

Flavia BiamonteResearch Center of Biochemistry and Advanced Molecular Biology, Department of Experimental and Clinical Medicine, "Magna Græcia" University of Catanzaro, Campus Salvatore Venuta -Viale Europa, 88100, Catanzaro, Italy. flavia.biamonte.fb@gmail.com.ORCID http://orcid.org/0000-0003-3248-3863
Gianluca SantamariaKlinikum rechts der Isar, Department of Regenerative Medicine in Cardiovascular Disease, Ismaningerstr 22, Munich, Germany.ORCID http://orcid.org/0000-0001-9284-7492
Alessandro SaccoDepartment of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, Campus Salvatore Venuta -Viale Europa, 88100, Catanzaro, Italy.
Francesca Marta PerroneDepartment of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, Campus Salvatore Venuta -Viale Europa, 88100, Catanzaro, Italy.
Annalisa Di CelloUnit of Obstetrics and Gynaecology, "Magna Graecia" University of Catanzaro, Catanzaro, Italy.
Anna Martina BattagliaDepartment of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, Campus Salvatore Venuta -Viale Europa, 88100, Catanzaro, Italy.
Alessandro SalatinoDepartment of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, Campus Salvatore Venuta -Viale Europa, 88100, Catanzaro, Italy.
Anna Di VitoDepartment of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, Campus Salvatore Venuta -Viale Europa, 88100, Catanzaro, Italy.
Ilenia AversaDepartment of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, Campus Salvatore Venuta -Viale Europa, 88100, Catanzaro, Italy.
Roberta VenturellaUnit of Obstetrics and Gynaecology, "Magna Graecia" University of Catanzaro, Catanzaro, Italy.
Fulvio ZulloDepartment of Neuroscience, Reproductive Sciences and Dentistry, School of Medicine, University of Naples "Federico II", Naples, Italy.
Francesco CostanzoDepartment of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, Campus Salvatore Venuta -Viale Europa, 88100, Catanzaro, Italy.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Remarkable deregulation of microRNAs has been demonstrated in epithelial ovarian cancer (EOC). In particular, some of the let-7 miRNA family members have been proposed as tumor suppressors. Here, we explored the functional roles of let-7g in EOC. The ectopic overexpression of let-7g in OVCAR3 and HEY-A8 EOC cells induced i) a down-regulation of c-Myc and cyclin-D2 thus promoting cell cycle arrest, ii) a reduction of Vimentin, Snail and Slug thus counteracting the progression of epithelial to mesenchymal transition, iii) a chemosensitization to cis-platinum treatment. Next, analysis of human EOC tissues revealed that let-7g expression was significantly reduced in tumor tissue specimens of patients with EOC compared to their non-tumor counterparts (p = 0.0002). Notably, low let-7g tissue levels were significantly associated with acquired chemoresistance of patients with late-stage of EOC (n = 17, p = 0.03194). This finding was further validated in the serum samples collected from the same cohort of patients (n = 17, p = 0.003). To conclude, we demonstrate that let-7g acts as tumor suppressor and might be used to disable EOC tumor progression and chemoresistance to cis-platinum-based chemotherapy. Furthermore, we propose that decreased expression of let-7g could serve as a tissue and serum biomarker able to predict the chemo-resistant features of EOC patients.

Indexed as

ApoptosisBiomarkers, TumorCarcinoma, Ovarian EpithelialCell Line, TumorCell ProliferationDown-RegulationDrug Resistance, NeoplasmEpithelial-Mesenchymal TransitionFemaleGene Expression Regulation, NeoplasticGenes, Tumor SuppressorHumansMicroRNAsMiddle AgedNeoplasms, Glandular and EpithelialOvarian NeoplasmsBiomarkers, TumorMicroRNAs

Identifiers

PMID30952937
PMCPMC6450929

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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.