Evidence map›Paper›PMID 16127999›Full record

ArticleGene expression2005

An in vitro approach to test the possible role of candidate factors in the transcriptional regulation of the RET proto-oncogene.

Tiziana Bachetti, Silvia Borghini, Roberto Ravazzolo, Isabella Ceccherini

Open access · hybridAbstract read
In one paragraph

Article in Gene expression, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed, 1 pooled it
2.0field-weighted citation impact, top 14% 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

15 citing papers in PubMed, 1 synthesis or guideline pooled it, 27 citations in OpenAlex.

  1. 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

4 authors at 1 institution in 1 country.

Tiziana BachettiLaboratorio di Genetica Molecolare, Istituto G. Gaslini, 16148 Genova, Italy.
Silvia Borghini
Roberto Ravazzolo
Isabella Ceccherini
Istituto Giannina Gaslini · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Neural crest cells arise from the epithelium of the dorsal neural tube and migrate to various districts giving origin, among others, to sympathetic, parasympathetic, and enteric ganglia. It has been shown that the transcription factors HOX11L1, HOX11L2, MASH1, PHOX2A, and PHOX2B are all necessary, to various extents, to the correct development of the autonomic nervous system. To investigate their possible role in the transcriptional regulation of the RET proto-oncogene, a gene playing a crucial role in correct intestinal innervation, we undertook a specific in vitro experimental strategy. Two neuroblastoma cell lines (SK-N-MC and SK-N-BE) were cotransfected with each transcription factor expressing plasmids and sequential deletion constructs of the 5' c-RET flanking region cloned upstream of the Luciferase reporter gene. Here we show that HOX11L1 enhances the activity of the c-RET promoter in SK-N-MC cell line by stimulating a region between -166 bp and -35 bp. Gel shift assays performed with oligonucleotides spanning this promoter sequence showed a change of the SP1 interaction with its binding sites, consequent to transfection with HOX11L1. While HOX11L2 showed no effect in both the cell lines, we have observed PHOX2A, PHOX2B, and MASH1 triggering a reproducible increase in the Luciferase activity in SK-N-BE cell line. A sequence responsible of the PHOX2A-dependent activation has been identified, while PHOX2B seems to act indirectly, as no physical binding has been demonstrated on c-RET promoter.

Indexed as

Gene Expression RegulationAnimalsBase SequenceBasic Helix-Loop-Helix ProteinsBlotting, WesternButyratesCell LineCell Line, TumorCell NucleusCells, CulturedChlorocebus aethiopsCOS CellsDNA, ComplementaryDNA PrimersGene DeletionGenes, ReporterASCL1 protein, humanBasic Helix-Loop-Helix ProteinsButyratesDNA, ComplementaryDNA PrimersHomeodomain ProteinsIsobutyratesisobutyric acidLuciferasesMAS1 protein, humanNBPhox proteinOligonucleotidesOncogene ProteinsPHOX2A protein, humanProto-Oncogene MasProto-Oncogene Proteins c-retTLX2 protein, humanTLX3 protein, humanTranscription Factors

Identifiers

PMID16127999
PMCPMC6009117
OpenAlexW2034231255

What OpenQuestion holds

Textmetadata
Read underepoch 390

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.