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J Pediatr Infect Dis
DOI: 10.1055/s-0044-1793909
Original Article

Diagnostic Value of lncRNA FGD5-AS1 Sponge miR-223-3p in Infantile Pneumonia and Its Prognostic Effect on Rehabilitation

Hong-Ping Ren 
1   Department of Prevention and Healthcare, Longnan First People's Hospital, Longnan, Gansu, China
,
Hong-Lin Wen 
2   Department of General Pediatrics, Longnan First People's Hospital, Longnan, Gansu, China
,
Ya-Nan Liu 
2   Department of General Pediatrics, Longnan First People's Hospital, Longnan, Gansu, China
,
Lin Cai 
1   Department of Prevention and Healthcare, Longnan First People's Hospital, Longnan, Gansu, China
› Author Affiliations Funding None.
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Abstract

Objective This study aimed to uncover the value of long noncoding RNA FGD5-AS1 (lncRNA FGD5-AS1) in the diagnosis of infantile pneumonia and explore its pathological mechanism in lung fibroblasts. This research may provide a potential biomarker for diagnosing patients and predicting their rehabilitation outcomes.

Methods This study included 92 children with infantile pneumonia as the research object, and an equal number of healthy children were introduced as controls. The FGD5-AS1 content was detected using real-time quantitative polymerase chain reaction (RT-qPCR) assay. The diagnostic value of FGD5-AS1 was evaluated by receiver operating characteristic (ROC) and logistic analysis. The molecular mechanism of FGD5-AS1 and miR-223-3p was studied by luciferase activity assays. The impact of abnormal FGD5-AS1 expression on the proliferation and apoptosis of lung fibroblasts was analyzed using the cell counting kit-8 (CCK-8) and flow cytometry.

Results FGD5-AS1 expression was decreased in the serum of infantile pneumonia patients, which may be a diagnostic marker for children with pneumonia. Furthermore, FGD5-AS1 has the ability to predict patient outcomes. FGD5-AS1 levels in lung fibroblasts (WI-38) decreased when induced by lipopolysaccharide (LPS). This decline resulted in reduced cell proliferation ability, increased apoptosis rate, and elevated inflammatory factor content. However, upregulated FGD5-AS1 counteracted the effects of LPS on WI-38 cells activity and inflammatory factors.

Conclusion FGD5-AS1 may act as a potential marker in infantile pneumonia, and regulate the biological activity and inflammation level of lung fibroblasts by targeting miR-223-3p.

Keywords

infantile pneumonia - FGD5-AS1 - miR-223-3p - lung fibroblast - diagnosis

Ethics Approval

Approval was obtained from the ethics committee of Longnan First People's Hospital. The procedures used in this study adhere to the tenets of the Declaration of Helsinki.


Consent for publication

Informed consent was obtained in writing from the parents or guardians.


Availability of Data and Materials

The datasets used and/or analyzed during this study are available from the corresponding author on reasonable request.


Competing Interests

The authors declare that they have no relevant financial or nonfinancial interests to disclose.


Author Contribution

H.P.R. developed the original idea and the protocol, abstracted and analyzed data, wrote the manuscript, and is a guarantor. H.L.W., Y.N.L., and L.C. contributed to the development of the protocol, abstracted data, and prepared the manuscript.




Publication History

Received: 22 December 2023

Accepted: 11 October 2024

Article published online:
16 November 2024

© 2024. Thieme. All rights reserved.

Georg Thieme Verlag KG
Rüdigerstraße 14, 70469 Stuttgart, Germany

 

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