ArticleAmerican journal of physiology. Lung cellular and molecular physiology2011
Surfactant protein A is defective in abrogating inflammation in asthma.
Article in American journal of physiology. Lung cellular and molecular physiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 39 papers.
What it found
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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.
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.
Who cites it
39 citing papers in PubMed, 58 citations in OpenAlex.
- Obese asthmatic patients have decreased surfactant protein A levels: Mechanisms and implications.The Journal of allergy and clinical immunology · 2018Trial
- Regulation of translation by upstream translation initiation codons of surfactant protein A1 splice variants.American journal of physiology. Lung cellular and molecular physiology · 2015Trial
- Surfactant Protein A Inhibits Human Rhinovirus C Binding and Infection of Airway Epithelial Cells from Pediatric Asthma.Viruses · 2024Article
- Cooperation of immune regulators Tollip and surfactant protein A inhibits influenza A virus infection in mice.Respiratory research · 2024Article
- SURFACTANT PROTEIN A: AN INNATE IMMUNE MODULATOR AND THERAPEUTIC IN ASTHMA.Transactions of the American Clinical and Climatological Association · 2024Review
- Small Peptide Derivatives Within the Carbohydrate Recognition Domain of SP-A2 Modulate Asthma Outcomes in Mouse Models and Human Cells.Frontiers in immunology · 2022Article
- Myeloid-associated differentiation marker is a novel SP-A-associated transmembrane protein whose expression on airway epithelial cells correlates with asthma severity.Scientific reports · 2021Article
- Light and electron-microscopic localization of CD9 and surfactant protein A and D in normal lungs of the horse.Canadian journal of veterinary research = Revue canadienne de recherche veterinaire · 2021Article
- Article
- Human Surfactant Protein SP-A1 and SP-A2 Variants Differentially Affect the Alveolar Microenvironment, Surfactant Structure, Regulation and Function of the Alveolar Macrophage, and Animal and Human Survival Under Various Conditions.Frontiers in immunology · 2021Review
- Differences in the alveolar macrophage toponome in humanized SP-A1 and SP-A2 transgenic mice.JCI insight · 2020Article
- Differential Sex-Dependent Regulation of the Alveolar Macrophage miRNome of SP-A2 and co-ex (SP-A1/SP-A2) and Sex Differences Attenuation after 18 h of Ozone Exposure.Antioxidants (Basel, Switzerland) · 2020Article
- The Importance of Redox Status in the Frame of Lifestyle Approaches and the Genetics of the Lung Innate Immune Molecules, SP-A1 and SP-A2, on Differential Outcomes of COVID-19 Infection.Antioxidants (Basel, Switzerland) · 2020Review
- A 20-Mer Peptide Derived from the Lectin Domain ofInfection and immunity · 2020Article
- Surfactant Protein-A Protects against IL-13-Induced Inflammation in Asthma.Journal of immunology (Baltimore, Md. : 1950) · 2020Article
- Sex-Specific Regulation of Gene Expression Networks by Surfactant Protein A (SP-A) Variants in Alveolar Macrophages in Response toFrontiers in immunology · 2020Article
- Genetic Variation in Surfactant Protein-A2 Delays Resolution of Eosinophilia in Asthma.Journal of immunology (Baltimore, Md. : 1950) · 2019Article
- Differential Impact of Co-expressed SP-A1/SP-A2 Protein on AM miRNome; Sex Differences.Frontiers in immunology · 2019Article
- Ubiquitin-proteasome signaling in lung injury.Translational research : the journal of laboratory and clinical medicine · 2018Review
- Differential effects of innate immune variants of surfactant protein-A1 (SFTPA1) and SP-A2 (SFTPA2) in airway function after Klebsiella pneumoniae infection and sex differences.Respiratory research · 2018Article
Corrections and comments
- Erratum issued
Authors and funding
12 authors at 6 institutions in 1 country.
Funding
Abstract
Surfactant protein A (SP-A) regulates a variety of immune cell functions. We determined the ability of SP-A derived from normal and asthmatic subjects to modulate the inflammatory response elicited by Mycoplasma pneumoniae, a pathogen known to exacerbate asthma. Fourteen asthmatic and 10 normal control subjects underwent bronchoscopy with airway brushing and bronchoalveolar lavage (BAL). Total SP-A was extracted from BAL. The ratio of SP-A1 to total SP-A (SP-A1/SP-A) and the binding of total SP-A to M. pneumoniae membranes were determined. Airway epithelial cells from subjects were exposed to either normal or asthmatic SP-A before exposure to M. pneumoniae. IL-8 protein and MUC5AC mRNA were measured. Total BAL SP-A concentration did not differ between groups, but the percentage SP-A1 was significantly increased in BAL of asthmatic compared with normal subjects. SP-A1/SP-A significantly correlated with maximum binding of total SP-A to M. pneumoniae, but only in asthma. SP-A derived from asthmatic subjects did not significantly attenuate IL-8 and MUC5AC in the setting of M. pneumoniae infection compared with SP-A derived from normal subjects. We conclude that SP-A derived from asthmatic subjects does not abrogate inflammation effectively, and this dysfunction may be modulated by SP-A1/SP-A.
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Registered trials
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.