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Background: This meta-analysis aims to evaluate the potential link between common variations in the Surfactant Protein-B (SFTPB) gene and the risk of bronchopulmonary dysplasia (BPD) in preterm neonates.
Methods: All pertinent articles published prior to February 1, 2024, in PubMed, Web of Science, EMBASE, CNKI, and Scopus databases were reviewed.
Results: Nineteen case-control studies involving 1149 BPD cases and 1845 non-BPD controls, were analyzed. Combined data indicated a significant link between SFTPB -18 A > C and Intron 4 VNTR polymorphisms with increased BPD susceptibility, while the 1580 C > T polymorphism provides a protective impact on BPD initiation.
Conclusions: Pooled data indicated a significant association between SFTPB -18 A > C and Intron 4 VNTR polymorphisms with increased BPD risk, whereas the 1580 C > T polymorphism confers protection. These findings suggest a genetic susceptibility to BPD, underscoring the complex interplay of different genetic elements in its development.
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http://dx.doi.org/10.1080/15513815.2024.2400145 | DOI Listing |
Int J Mol Sci
August 2025
Centro Cardiologico Monzino, IRCCS, 20138 Milan, Italy.
The mechanisms underlying the effects of dapagliflozin in heart failure with reduced ejection fraction (HFrEF) are not yet fully understood. This study aims to evaluate the effect of the drug on cardiorespiratory function by assessing alveolar-capillary membrane characteristics, sleep apnea, pulmonary and cardiac performance in stable HFrEF patients. Seventy-three patients with stable HFrEF were enrolled, with 66 completing the six-month follow-up.
View Article and Find Full Text PDFTrans Am Clin Climatol Assoc
August 2025
Iowa City, IA.
A critical adaptation required for successful extrauterine life is the onset of respiration. The production of pulmonary surfactant by alveolar type II (AT2) cells is required for functional ventilation. Pulmonary surfactant is produced in lamellar bodies in AT2 cells.
View Article and Find Full Text PDFPediatr Pulmonol
July 2025
Department of Pediatric Pulmonology, Marmara University School of Medicine, Istanbul, Turkey.
Sci Rep
July 2025
Scientific Product Assessment Center, R&D Group, Japan Tobacco Inc., 6-2 Umegaoka, Aoba-ku, Yokohama, Kanagawa, 227-8512, Japan.
Lung epithelia are exposed to various substances in the atmosphere through breathing. To investigate the mechanisms and treatments for respiratory diseases caused by these substances, robust in vitro lung epithelial models are essential. This study aimed to develop an in vitro alveolar epithelial model using primary human pulmonary alveolar epithelial cells (HPAEpiCs).
View Article and Find Full Text PDFJ Appl Physiol (1985)
July 2025
Institute of Functional and Applied Anatomy, Medizinische Hochschule Hannover, Hannover, Germany.
Surfactant protein B (SP-B) contributes to surface tension reduction at the pulmonary air-liquid interface. In lung injury, downregulation of alveolar SP-B is an early finding. During inspiration, unfolding processes of the interalveolar septa are considered as physiological micromechanical mechanisms that might become injurious in the presence of high surface tension, thus propagating injury.
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