Evidence map›Paper›PMID 29287093›Full record

ArticlePloS one2017

Direct exposure to mild heat promotes proliferation and neuronal differentiation of neural stem/progenitor cells in vitro.

Md Emon Hossain, Kentaro Matsuzaki, Masanori Katakura, Naotoshi Sugimoto, Abdullah Al Mamun, Rafiad Islam, Michio Hashimoto, Osamu Shido

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
2.0field-weighted citation impact, top 13% 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

23 citing papers in PubMed, 39 citations in OpenAlex.

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  19. Molecular chaperones in the brain endothelial barrier: neurotoxicity or neuroprotection?FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2019
    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

8 authors at 2 institutions in 1 country.

Md Emon HossainDepartment of Environmental Physiology, Faculty of Medicine, Shimane University, Enya-cho, Izumo, Japan.
Kentaro MatsuzakiDepartment of Environmental Physiology, Faculty of Medicine, Shimane University, Enya-cho, Izumo, Japan.ORCID 0000-0002-5942-8840
Masanori KatakuraDepartment of Environmental Physiology, Faculty of Medicine, Shimane University, Enya-cho, Izumo, Japan.
Naotoshi SugimotoDepartment of Environmental Physiology, Faculty of Medicine, Shimane University, Enya-cho, Izumo, Japan.
Abdullah Al MamunDepartment of Environmental Physiology, Faculty of Medicine, Shimane University, Enya-cho, Izumo, Japan.
Rafiad IslamDepartment of Environmental Physiology, Faculty of Medicine, Shimane University, Enya-cho, Izumo, Japan.
Michio HashimotoDepartment of Environmental Physiology, Faculty of Medicine, Shimane University, Enya-cho, Izumo, Japan.
Osamu ShidoDepartment of Environmental Physiology, Faculty of Medicine, Shimane University, Enya-cho, Izumo, Japan.
Shimane University · JPKanazawa University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Heat acclimation in rats is associated with enhanced neurogenesis in thermoregulatory centers of the hypothalamus. To elucidate the mechanisms for heat acclimation, we investigated the effects of direct mild heat exposure on the proliferation and differentiation of neural stem/progenitor cells (NSCs/NPCs). The NSCs/NPCs isolated from forebrain cortices of 14.5-day-old rat fetuses were propagated as neurospheres at either 37.0°C (control) or 38.5°C (mild heat exposure) for four days, and the effects on proliferation were investigated by MTS cell viability assay, measurement of neurosphere diameter, and counting the total number of cells. The mRNA expressions of heat shock proteins (HSPs) and brain-derived neurotrophic factor (BDNF), cAMP response element-binding (CREB) protein and Akt phosphorylation levels, and intracellular reactive oxygen species (ROS) levels were analyzed using real time PCR, Western blotting and CM-H2DCFDA assay respectively. Heat exposure under proliferation condition increased NSC/NPC viability, neurosphere diameter, and cell count. BDNF mRNA expression, CREB phosphorylation, and ROS level were also increased by heat exposure. Heat exposure increased HSP27 mRNA expression concomitant with enhanced p-Akt level. Moreover, treatment with LY294002 (a PI3K inhibitor) abolished the effects of heat exposure on NSC/NPC proliferation. Furthermore, heat exposure under differentiation conditions increased the proportion of cells positive for Tuj1 (a neuronal marker). These findings suggest that mild heat exposure increases NSC/NPC proliferation, possibly through activation of the Akt pathway, and also enhances neuronal differentiation. Direct effects of temperature on NSCs/NPCs may be one of the mechanisms involved in hypothalamic neurogenesis in heat-acclimated rats. Such heat-induced neurogenesis could also be an effective therapeutic strategy for neurodegenerative diseases.

Indexed as

Cell DifferentiationCell ProliferationHot TemperatureAnimalsBrain-Derived Neurotrophic FactorCells, CulturedChromonesCREB-Binding ProteinHeat-Shock ProteinsMorpholinesNeural Stem CellsNeuronsPhosphorylationProto-Oncogene Proteins c-aktRatsReactive Oxygen Species2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-oneBrain-Derived Neurotrophic FactorChromonesCREB-Binding ProteinCrebbp protein, ratHeat-Shock ProteinsMorpholinesProto-Oncogene Proteins c-aktReactive Oxygen Species

Identifiers

PMID29287093
PMCPMC5747471
OpenAlexW2779970637

What OpenQuestion holds

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LicenceCC BY
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.