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Microarray Expression Profile and Analysis of Circular RNA Regulatory Network in Pulmonary Thromboembolism

Authors Peng D, Hou ZL, Zhang HX, Zhang S, Zhang SM, Lin RY, Xing ZC, Yuan Y, Yang KY, Wang JX

Received 6 February 2021

Accepted for publication 18 March 2021

Published 9 April 2021 Volume 2021:14 Pages 1239—1249


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Scott Fraser

Dan Peng, Zi-Liang Hou, Hong-Xia Zhang, Shuai Zhang, Shu-Ming Zhang, Rui-Yan Lin, Zhen-Chuan Xing, Yuan Yuan, Kai-Yuan Yang, Jin-Xiang Wang

Department of Respiratory and Critical Care Medicine, Beijing Luhe Hospital, Capital Medical University, Beijing, People’s Republic of China

Correspondence: Jin-Xiang Wang
Department of Respiratory and Critical Care Medicine, Beijing Luhe Hospital, Capital Medical University, Xinhuananlu No. 82, Tongzhou District, Beijing, 101100, People’s Republic of China
Email [email protected]

Background: Pulmonary thromboembolism (PTE) is a common disease which may be a serious condition and has high mortality. Recently, it has been shown that circRNAs play an important role in the development of various diseases, including thromboembolic disease. However, circRNAs expression profiling is not clear in PTE, this study aims to identify the circRNAs expressed in PTE and to elucidate their possible role in pathophysiology of PTE.
Methods: A total of 5 patients with CTPA-confirmed PTE and 5 healthy controls were recruited for the present study. The circRNAs expression profile was analyzed by microarray.
Results: In total, 256 differentially expressed circRNAs (up 142, down114) and 1162 mRNA (up 446, down 716) were summarized by analyzing the circRNAs microarray data. The top 3 up-regulated and 3 down-regulated circRNAs were validated by Real-Time Polymerase Chain Reaction (qRT-PCR). Two differentially expressed circRNAs (hsa_circ_0000891, hsa_circ_0043506) were selected for further analysis. Finally, we construct a circRNA-miRNA-mRNA ceRNA network with a bioinformatic prediction tool. Pathway analysis shows that the enriched mRNAs targets take part in Protein processing in endoplasmic reticulum, Systemic lupus erythematosus, Endocytosis, Spliceosome, HTLV-I infection and Ubiquitin mediated proteolysis.
Conclusion: Our findings indicated that aberrantly expressed circRNAs (hsa_circ_0000891, hsa_circ_0043506) may be involved in the development of PTE.

Keywords: circRNA, gene, pulmonary thromboembolism, circRNA-miRNA-mRNA network, functional enrichment

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