Evidence mapPaperPMID 40540470Full record

ArticlePloS one2025

Nicotine alters cellular activity and mRNA expression of patterns of Astrocytes.

Leslie Sewell, James J Cray

Abstract read
In one paragraph

Article in PloS one, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing 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

2 citing papers in PubMed.

  1. Article
  2. Review
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

2 authors.

Leslie SewellDepartment of Biomedical Education and Anatomy, College of Medicine, The Ohio State University, Columbus, Ohio, United States of America.ORCID https://orcid.org/0009-0007-6567-8663
James J CrayDepartment of Biomedical Education and Anatomy, College of Medicine, The Ohio State University, Columbus, Ohio, United States of America.ORCID https://orcid.org/0000-0002-8512-7005

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Nicotine exposure during neural development presents a significant public health concern. Nicotine, the primary addictive component of tobacco, influences the central nervous system by interacting with various cell types, including the glial cell termed astrocytes. Astrocytes are cells that are critical for supporting neurons, regulating neurotransmitter balance, and managing neuroinflammation. This current study explored nicotine's effects on astrocytes, examining cellular activity and gene expression within an acute exposure period. Murine C8D1A astrocytic (garnered as a cell line from postnatal day 8 tissue) cells were treated with nicotine (0-500 ng/mL) in vitro, with assays measuring cell viability and apoptosis at 12, 18, 24, and 48 hours to establish a critical concentration gradient for nicotine. Nicotine exposure increased astrocyte viability at later time points (24 and 48 hours), while apoptosis rose initially but declined over time allowing for the establishment of pharmacologically and clinically relevant nicotine concentrations of 25,50 and 100ng/ml for subsequent experiments. Real-time quantitative PCR revealed that nicotine influenced inflammatory signaling, with pro-inflammatory (A1) markers (IL-6, IFNγ, TNFα) increasing in a dose- and time-dependent manner, while anti-inflammatory (A2) markers (ARG1, IL-10, TGFβ) displayed a more complex pattern after nicotine exposures to astrocytes. These results suggest that nicotine disrupts astrocyte function and inflammatory balance, which may contribute to neurodevelopmental disruptions and heightened neuroinflammatory risks in adults. Further research is needed to investigate the prolonged impact of nicotine on brain health, addiction, and associated neurological conditions.

Indexed as

AstrocytesGene Expression RegulationNicotineRNA, MessengerAnimalsApoptosisCell LineCell SurvivalCytokinesMiceCytokinesNicotineRNA, Messenger

Identifiers

PMID40540470
PMCPMC12180639

What Socratic 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 Socratic graph.