Evidence map›Paper›PMID 40236699›Full record

ArticleFrontiers in immunology2025

Clara cell 16 kDa protein: an important marker for COVID-19 severity.

Tineke Kardol-Hoefnagel, Bart Luijk, Leon Reteig, Saskia Haitjema, Helen L Leavis, Henny G Otten

Abstract read
In one paragraph

Article in Frontiers in immunology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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.

Tineke Kardol-HoefnagelCenter for Translational Immunology, University Medical Center Utrecht, Utrecht, Netherlands.
Bart LuijkDepartment of Respiratory Medicine, University Medical Center Utrecht, Utrecht, Netherlands.
Leon ReteigCenter for Translational Immunology, University Medical Center Utrecht, Utrecht, Netherlands.
Saskia HaitjemaUtrecht Patient Oriented Database, University Medical Center Utrecht, Utrecht, Netherlands.
Helen L LeavisDepartment of Rheumatology & Clinical Immunology, University Medical Center, Utrecht, Netherlands.
Henny G OttenCenter for Translational Immunology, University Medical Center Utrecht, Utrecht, Netherlands.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The coronavirus disease 19 (COVID-19) is a disease caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that invades lung epithelial cells and can lead to severe respiratory failure. In this study, we evaluated whether Clara cell 16 kDa protein (CC16), a serum marker of lung alveolar cell damage, is predictive for disease severity. Patients suspected of SARS-CoV-2 infection were included in this study. Serum levels of Clara cell 16 kDa protein (CC16), soluble Fas Ligand, cytochrome C, thymus- and activation regulated chemokine (TARC) and of oxidate stress related proteins were analyzed. Clinical patient data were extracted from the Utrecht Patient Oriented Database. COVID-19 positive patients were divided in two groups according to disease severity. The mean day difference between COVID-19 diagnosis date and sampling date was +11 days. Concentrations of TARC were lower in COVID-19 positive versus COVID-19 negative patients (unpaired t-test,

Indexed as

COVID-19SARS-CoV-2UteroglobinAdultAgedBiomarkersFemaleHumansMaleMiddle AgedSeverity of Illness IndexBiomarkersSCGB1A1 protein, humanUteroglobinCC16COVID-19disease severityICUprognostic biomarker

Identifiers

PMID40236699
PMCPMC11996771

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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.