Evidence map›Paper›PMID 19197372›Full record

ArticlePloS one2009

The fetal hypothalamus has the potential to generate cells with a gonadotropin releasing hormone (GnRH) phenotype.

Roberto Salvi, Yvan Arsenijevic, Marco Giacomini, Jean-Pierre Rey, Marie-Jeanne Voirol, Rolf Christian Gaillard, Pierre-Yves Risold, François Pralong

Abstract read
In one paragraph

Article in PloS one, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
–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

11 citing papers in PubMed.

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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

8 authors.

Roberto SalviService of Endocrinology, Diabetology and Metabolism, University Hospital, Lausanne, Switzerland.
Yvan Arsenijevic
Marco Giacomini
Jean-Pierre Rey
Marie-Jeanne Voirol
Rolf Christian Gaillard
Pierre-Yves Risold
François Pralong

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundNeurospheres (NS) are colonies of neural stem and precursor cells capable of differentiating into the central nervous system (CNS) cell lineages upon appropriate culture conditions: neurons, and glial cells. NS were originally derived from the embryonic and adult mouse striatum subventricular zone. More recently, experimental evidence substantiated the isolation of NS from almost any region of the CNS, including the hypothalamus. METHODOLOGY/

findingsHere we report a protocol that enables to generate large quantities of NS from both fetal and adult rat hypothalami. We found that either FGF-2 or EGF were capable of inducing NS formation from fetal hypothalamic cultures, but that only FGF-2 is effective in the adult cultures. The hypothalamic-derived NS are capable of differentiating into neurons and glial cells and most notably, as demonstrated by immunocytochemical detection with a specific anti-GnRH antibody, the fetal cultures contain cells that exhibit a GnRH phenotype upon differentiation. CONCLUSIONS/SIGNIFICANCE: This in vitro model should be useful to study the molecular mechanisms involved in GnRH neuronal differentiation.

Indexed as

AnimalsAstrocytesBiomarkersCell DifferentiationCell ProliferationCell ShapeFetusGonadotropin-Releasing HormoneHypothalamusNeuroepithelial CellsNeuronsOligodendrogliaOrgan SpecificityPhenotypeRatsRats, WistarBiomarkersGonadotropin-Releasing HormoneTranscription Factors

Identifiers

PMID19197372
PMCPMC2633049

What OpenQuestion holds

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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.