ArticleJournal of thoracic disease2023
Store-operated calcium entry enhances the polarization and chemotaxis of neutrophils in the peripheral venous blood of patients with bronchial asthma by upregulating ERM protein.
Article in Journal of thoracic disease, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 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.
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Who cites it
4 citing papers in PubMed, 5 citations in OpenAlex.
- Regulation of bone immunity by metal ions: a review of mechanisms and application progress.Frontiers in immunology · 2026Review
- The heterogeneous roles of neutrophils in gastric cancer: scaffold or target?Cellular & molecular biology letters · 2025Review
- Causal Association Between 12 Micronutrients and Common Chronic Respiratory Diseases: A Bidirectional Two-Sample Mendelian Randomization Study.Genetics research · 2025Article
- Interactions between calcium regulatory pathways and mechanosensitive channels in airways.Expert review of respiratory medicineReview
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Neutrophils can be rapidly recruited and are largely abundant in the airways of patients with asthma. However, whether the polarization and chemotaxis of neutrophils in patients with asthma are abnormal, and the underlying mechanisms, have not been clarified. Pseudopods formation is the initial step of neutrophils' polarization, ezrin, radixin and moesin (ERM) play an important role in the polarization of neutrophils. As an important signaling molecule in cell physiological processes, Ca2+ has been shown to be involved in the polarity changes of neutrophils. This study thus aimed to explore polarization and chemotaxis of neutrophils in patients with asthma and the underlying mechanism. Methods: Fresh neutrophils were isolated using standard separation protocols. The polarization and chemotactic activity of neutrophils were observed using Zigmond chamber and Transwell migration assay under linear concentration gradients of N-formyl-methionine-leucine-phenylalanine (fMLP) or interleukin (IL)-8. The distribution of calcium, ERMs and F-actin in neutrophils were observed by confocal laser scanning microscope. The expression of the main components of ERMs (moesin and ezrin) was detected with reverse transcription-polymerase chain reaction (RT-PCR). Results: Compared with those in the healthy control group, the polarization and chemotaxis of neutrophils in the venous blood of patients with asthma were significantly increased, and the expression and distribution of cytoskeletal proteins F-actin and ezrin were abnormal. The expression and function of key components of store-operated calcium entry (SOCE), stromal interaction molecule 1 (STIM1), STIM2, and Orai1 of neutrophils in patients with asthma were significantly increased. Conclusions: The polarization and chemotaxis of neutrophils in the venous blood of patients with asthma are increased. This may be due to the abnormal expression and distribution of ERM and F-actin as a result of abnormal SOCE function.
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