Evidence map›Paper›PMID 26960757›Full record

ArticleJournal of cancer research and clinical oncology2016

MicroRNAs let7 expression in thyroid cancer: correlation with their deputed targets HMGA2 and SLC5A5.

Alexander I Damanakis, Sabine Eckhardt, Annette Wunderlich, Silvia Roth, Thaddeus T Wissniowski, Detlef K Bartsch, Pietro Di Fazio

Open access · greenAbstract read
In one paragraph

Article in Journal of cancer research and clinical oncology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed, 1 pooled it
2.6field-weighted citation impact, top 11% 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

26 citing papers in PubMed, 1 synthesis or guideline pooled it, 38 citations in OpenAlex.

  1. Pooled it
  2. Review
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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

7 authors at 1 institution in 1 country.

Alexander I DamanakisDepartment of Visceral, Thoracic and Vascular Surgery, Philipps University Marburg, Baldingerstrasse, 35043, Marburg, Germany.
Sabine EckhardtDepartment of Visceral, Thoracic and Vascular Surgery, Philipps University Marburg, Baldingerstrasse, 35043, Marburg, Germany.
Annette WunderlichDepartment of Visceral, Thoracic and Vascular Surgery, Philipps University Marburg, Baldingerstrasse, 35043, Marburg, Germany.
Silvia RothDepartment of Visceral, Thoracic and Vascular Surgery, Philipps University Marburg, Baldingerstrasse, 35043, Marburg, Germany.
Thaddeus T WissniowskiDivision of Gastroenterology and Endocrinology, Philipps University Marburg, Baldingerstrasse, 35043, Marburg, Germany.
Detlef K BartschDepartment of Visceral, Thoracic and Vascular Surgery, Philipps University Marburg, Baldingerstrasse, 35043, Marburg, Germany.
Pietro Di FazioDepartment of Visceral, Thoracic and Vascular Surgery, Philipps University Marburg, Baldingerstrasse, 35043, Marburg, Germany. difazio@med.uni-marburg.de.
Philipps University of Marburg · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThyroid cancer (TC), the most common endocrine malignancy, increases its incidence worldwide. MicroRNAs have been shown to be abnormally expressed in tumors and could represent valid diagnostic markers for patients affected by TC. Our aim was to analyze the expression of tumorsuppressor hsa-let7b-5p and hsa-let7f-5p, together with their predicted targets SLC5A5 (NIS) and HMGA2, in papillary (PTC), follicular (FTC) and anaplastic (ATC).

methods8 FTC, 14 PTC, 12 ATC and three normal thyroid tissue samples were analyzed for the expression of pre-let7b, hsa-let7b-5p and hsa-let7f-5p as SLC5A5 and HMGA2 by RT-qPCR. Data were analyzed by REST 2008.

resultsFTC patients showed a significant down-regulation of hsa-let7b-5p and its precursor. hsa-let7f-5p was overexpressed, and SLC5A5 was strongly suppressed. HMGA2 was overexpressed, reflecting no correlation with its regulatory let7 miRNAs. PTC samples were characterized by up-regulation of hsa-let7b-5p, its precursor and hsa-let7f-5p. SLC5A5 was strongly suppressed in comparison with normal thyroid tissue. HMGA2 was overexpressed, as shown in FTC, also. ATC samples showed a similar miRNAs profile as PTC. In contrast with FTC and PTC, these patients showed a stable or up-regulated SLC5A5 and HMGA2.

conclusionsExpression of HMGA2 is not correlated with the regulatory let7 miRNAs. Interestingly, SLC5A5 was down-regulated in FTC and PTC. Its expression could be modulated by hsa-let-7f-5p. ATC showed a loss of SLC5A5/hsa-let7f-5p correlation. SLC5A5, in ATC, needs further investigation to clarify the genetic/epigenetic mechanism altering its expression.

Indexed as

HMGA2 ProteinHumansMicroRNAsSodium-Iodide SymportersSymportersThyroid NeoplasmsHMGA2 ProteinMicroRNAsSodium-Iodide SymportersSymportersDiagnostic markersEpigeneticlet7miRNAsThyroid cancer

Identifiers

PMID26960757
PMCPMC11819097
OpenAlexW2295925688

What OpenQuestion holds

Textmetadata
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Registered trials

None linked

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.