Evidence map›Paper›PMID 25515249›Full record

ArticleIn vitro cellular & developmental biology. Animal2015

Retinoic acid promotes primary fetal alveolar epithelial type II cell proliferation and differentiation to alveolar epithelial type I cells.

Rui-wei Gao, Xiang-yong Kong, Xiao-xi Zhu, Guo-qing Zhu, Jin-shuai Ma, Xiu-xiang Liu

Abstract read
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In one paragraph

Article in In vitro cellular & developmental biology. Animal, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
0.7field-weighted citation impact, top 27% 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

14 citing papers in PubMed, 17 citations in OpenAlex.

  1. Review
  2. Article
  3. Epithelial Reprogramming and Transition during Pulmonary Bioengineering.bioRxiv : the preprint server for biology · 2026
    Article
  4. Article
  5. Review
  6. Isolation of Lung Retinoid-Containing Cells by Cell Sorting.Journal of visualized experiments : JoVE · 2025
    Article
  7. Article
  8. Article
  9. Abnormal Fetal Lung of Hoxa1Animals : an open access journal from MDPI · 2023
    Article
  10. Article
  11. Review
  12. Review
  13. Article
  14. Article
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

6 authors at 3 institutions in 1 country.

Rui-wei GaoBinzhou Medical University, Yantai, 264000, Shandong, China.
Xiang-yong Kong
Xiao-xi Zhu
Guo-qing Zhu
Jin-shuai Ma
Xiu-xiang Liu
Binzhou University · CNBinzhou People's Hospital · CNThe Military General Hospital of Beijing PLA · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Retinoic acid (RA) plays an important role in lung development and maturation. Many stimuli can induce alveolar epithelial cell damage which will result in the injury of lung parenchyma. The aim of this study was to observe the effect of RA on the proliferation and differentiation of primary fetal alveolar epithelial type II cells (fAECIIs). Primary fAECIIs were isolated from fetal rats at 19 d of gestation and purified by a differential centrifugation and adhesion method. The cells were randomly divided into control (dimethyl sulfoxide, DMSO) and RA groups. Cell proliferation, viability, apoptosis, cycle, and expression of target protein were examined at 24, 48, and 72 h. We found that the proliferation and viability of cells in the RA-exposed group significantly increased compared with the DMSO control group. The proportion (%) of cells in the G2 and S phases in the RA group was significantly higher than that in control group cells. The proportion (%) of both early apoptotic cells and late apoptotic cells decreased significantly in cells exposed to RA compared with cells exposed to DMSO. RA significantly enhanced the expression of aquaporin 5 (AQP5). The expression level of pulmonary surfactant C (SPC) was elevated after cells were exposed to RA for 24 and 72 h but was inhibited when cells were exposed to RA for 48 h. These results suggest that RA promotes fAECII proliferation by improving cell viability, promoting S phase entry and inhibiting apoptosis and RA promotes fAECIIs differentiation to alveolar epithelial type I cells (AECIs).

Indexed as

Analysis of VarianceAnimalsApoptosisAquaporin 5Blotting, WesternCell CycleCell DifferentiationCell ProliferationCell SurvivalDimethyl SulfoxideEpithelial CellsFetusMolecular StructurePulmonary AlveoliRatsRats, Sprague-DawleyAquaporin 5Dimethyl SulfoxideTretinoin

Identifiers

PMID25515249
OpenAlexW1978884611

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.