Evidence map›Paper›PMID 32870817›Full record

ReviewThe Journal of clinical investigation2020

Contributions of alveolar epithelial cell quality control to pulmonary fibrosis.

Jeremy Katzen, Michael F Beers

Open access · bronzeAbstract readReview
In one paragraph

Review in The Journal of clinical investigation, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 179 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
179citing papers in PubMed, 1 pooled it
19.0field-weighted citation impact, top 1% 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

179 citing papers in PubMed, 1 synthesis or guideline pooled it, 272 citations in OpenAlex.

  1. Pooled it
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  15. Article
  16. Hallmarks of the ageing lung: 10 years later.The European respiratory journal · 2026
    Review
  17. Interstitial lung disease and the STING pathway.The Journal of clinical investigation · 2026
    Review
  18. Review
  19. Regulated Cell Death in Idiopathic Pulmonary Fibrosis.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2026
    Review
  20. Piezo1 mediates electrotaxis of alveolar epithelial cells via calcium-dependent PI3K/Akt signaling.Chinese journal of traumatology = Zhonghua chuang shang za zhi · 2026
    Article

119 more citing papers are in PubMed but not listed here.

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 at 1 institution in 1 country.

Jeremy KatzenPulmonary, Allergy, and Critical Care Division, Department of Medicine, and.
Michael F BeersPulmonary, Allergy, and Critical Care Division, Department of Medicine, and.
Pulmonary and Allergy Associates · US

Funding

Translational Research Support CoreP30ES013508 · NIEHS · UNIVERSITY OF PENNSYLVANIA · PI Rebecca A Simmons · 2006 to 2026
$35.3M
Alveolar Epithelial Cell Dysfunction in Pulmonary Fibrosis: Leveraging SFTPC Mutations for Discovery of Molecular and Cellular TargetsR01HL145408 · NHLBI · UNIVERSITY OF PENNSYLVANIA · PI MICHAEL FRANCIS BEERS · 2019 to 2026
$4.6M
Understanding how alveolar epithelial cell stress drives aberrant repair in interstitial lung diseaseK08HL150226 · NHLBI · UNIVERSITY OF PENNSYLVANIA · PI KATZEN, JEREMY BINDER · 2020 to 2024
$840k
Surfactant Protein C Mutations and Interstitial Lung DiseaseI01BX001176 · VA · PHILADELPHIA VA MEDICAL CENTER · PI MICHAEL FRANCIS BEERS · 2012 to 2026
–
BLRD VA I01 BX001176NHLBI NIH HHS K08 HL150226NHLBI NIH HHS R01 HL145408NIEHS NIH HHS P30 ES013508
6 · The paper itself

Abstract

Epithelial cell dysfunction has emerged as a central component of the pathophysiology of diffuse parenchymal diseases including idiopathic pulmonary fibrosis (IPF). Alveolar type 2 (AT2) cells represent a metabolically active lung cell population important for surfactant biosynthesis and alveolar homeostasis. AT2 cells and other distal lung epithelia, like all eukaryotic cells, contain an elegant quality control network to respond to intrinsic metabolic and biosynthetic challenges imparted by mutant protein conformers, dysfunctional subcellular organelles, and dysregulated telomeres. Failed AT2 quality control components (the ubiquitin-proteasome system, unfolded protein response, macroautophagy, mitophagy, and telomere maintenance) result in diverse cellular endophenotypes and molecular signatures including ER stress, defective autophagy, mitochondrial dysfunction, apoptosis, inflammatory cell recruitment, profibrotic signaling, and altered progenitor function that ultimately converge to drive downstream fibrotic remodeling in the IPF lung. As this complex network becomes increasingly better understood, opportunities will emerge to identify targets and therapeutic strategies for IPF.

Indexed as

Alveolar Epithelial CellsAnimalsAutophagyCell LineageHumansIdiopathic Pulmonary FibrosisMitophagyModels, BiologicalMutationProteasome Endopeptidase ComplexProteostasisPulmonary Surfactant-Associated Protein CSignal TransductionTelomere HomeostasisUbiquitinUnfolded Protein ResponseProteasome Endopeptidase ComplexPulmonary Surfactant-Associated Protein CSFTPC protein, humanUbiquitin

Identifiers

PMID32870817
PMCPMC7524463
OpenAlexW3081562004

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.