MicroRNAs miR-4535 and miR-1915-5p in amniotic fluid as predictive biomarkers for chorioamnionitis

Author:

Kiyoshima Chihiro1ORCID,Shirasu Naoto23,Urushiyama Daichi1,Fukagawa Satoshi1,Hirakawa Toyofumi1,Yoshikawa Kenichi1,Izuchi Daisuke1,Miyata Kohei1,Kurakazu Masamitsu1,Yotsumoto Fusanori1ORCID,Hiromatsu Kenji4,Nomiyama Makoto5,Eiji Ohta6,Hirose Shinichi7,Ogura Yoshitoshi8,Hayashi Tetsuya8,Hata Kenichiro9,Nabeshima Kazuki10,Yasunaga Shin'ichiro23,Miyamoto Shingo1ORCID

Affiliation:

1. Department of Obstetrics & Gynecology, Fukuoka University, Fukuoka, Japan

2. Department of Biochemistry, Fukuoka University, Fukuoka, Japan

3. Central Research Institute for Advanced Molecular Medicine, Fukuoka University, Fukuoka, Japan

4. Department of Microbiology & Immunology, Faculty of Medicine, Fukuoka University, Fukuoka, Japan

5. Department of Obstetrics & Gynecology, National Hospital Organization Saga National Hospital, Saga, Japan

6. Center for Maternal, Foetal & Neonatal Medicine, Fukuoka University Hospital, Fukuoka, Japan

7. Departemnt of Pediatrics, Faculty of Medicine, Fukuoka University, Fukuoka, Japan

8. Department of Bacteriology, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan

9. Department of Maternal-Fetal Biology, National Research Institute for Child Health & Development, Tokyo, Japan

10. Department of Pathology, Fukuoka University School of Medicine & Hospital, Fukuoka, Japan

Abstract

Background: This study was performed to investigate the clinical significance of miR-4535 and miR-1915-5p in severe chorioamnionitis. Materials & methods: Amniotic fluid samples from 37 patients with severe chorioamnionitis were subjected to miRNA array analysis and ddPCR™. Diagnostic values were assessed using the receiver operating characteristic curve. The patients were separated into three groups according to Blanc’s criteria. Results: The expression of miR-4535 and miR-1915-5p was significantly correlated with the copy number of 16S rDNA, had extremely high diagnostic accuracy for severe chorioamnionitis, and was linked to maternal and fetal inflammation. Conclusion: miR-4535 and miR-1915-5p serve as promising biomarkers for the diagnosis of severe chorioamnionitis.

Publisher

Future Science Ltd

Subject

Biotechnology

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