The role of cardiac transcription factor NKX2-5 in regulating the human cardiac miRNAome

Deevina Arasaratnam, Katrina M. Bell, Choon Boon Sim, Kathy Koutsis, David J. Anderson, Elizabeth L. Qian, Edouard G. Stanley, Andrew G. Elefanty, Michael M. Cheung, Alicia Oshlack, Anthony J. White, Charbel Abi Khalil, James E. Hudson, Enzo R. Porrello, David A. Elliott

Research output: Contribution to journalArticle

Abstract

MicroRNAs (miRNAs) are translational regulatory molecules with recognised roles in heart development and disease. Therefore, it is important to define the human miRNA expression profile in cardiac progenitors and early-differentiated cardiomyocytes and to determine whether critical cardiac transcription factors such as NKX2-5 regulate miRNA expression. We used an NKX2-5eGFP/w reporter line to isolate both cardiac committed mesoderm and cardiomyocytes. We identified 11 miRNAs that were differentially expressed in NKX2-5 -expressing cardiac mesoderm compared to non-cardiac mesoderm. Subsequent profiling revealed that the canonical myogenic miRNAs including MIR1-1, MIR133A1 and MIR208A were enriched in cardiomyocytes. Strikingly, deletion of NKX2-5 did not result in gross changes in the cardiac miRNA profile, either at committed mesoderm or cardiomyocyte stages. Thus, in early human cardiomyocyte commitment and differentiation, the cardiac myogenic miRNA program is predominantly regulated independently of the highly conserved NKX2-5 -dependant gene regulatory network.

Original languageEnglish
Article number15928
JournalScientific reports
Volume9
Issue number1
DOIs
Publication statusPublished - 1 Dec 2019

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MicroRNAs
Transcription Factors
Cardiac Myocytes
Mesoderm
Gene Regulatory Networks
Heart Diseases

ASJC Scopus subject areas

  • General

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Arasaratnam, D., Bell, K. M., Sim, C. B., Koutsis, K., Anderson, D. J., Qian, E. L., ... Elliott, D. A. (2019). The role of cardiac transcription factor NKX2-5 in regulating the human cardiac miRNAome. Scientific reports, 9(1), [15928]. https://doi.org/10.1038/s41598-019-52280-9

The role of cardiac transcription factor NKX2-5 in regulating the human cardiac miRNAome. / Arasaratnam, Deevina; Bell, Katrina M.; Sim, Choon Boon; Koutsis, Kathy; Anderson, David J.; Qian, Elizabeth L.; Stanley, Edouard G.; Elefanty, Andrew G.; Cheung, Michael M.; Oshlack, Alicia; White, Anthony J.; Khalil, Charbel Abi; Hudson, James E.; Porrello, Enzo R.; Elliott, David A.

In: Scientific reports, Vol. 9, No. 1, 15928, 01.12.2019.

Research output: Contribution to journalArticle

Arasaratnam, D, Bell, KM, Sim, CB, Koutsis, K, Anderson, DJ, Qian, EL, Stanley, EG, Elefanty, AG, Cheung, MM, Oshlack, A, White, AJ, Khalil, CA, Hudson, JE, Porrello, ER & Elliott, DA 2019, 'The role of cardiac transcription factor NKX2-5 in regulating the human cardiac miRNAome', Scientific reports, vol. 9, no. 1, 15928. https://doi.org/10.1038/s41598-019-52280-9
Arasaratnam D, Bell KM, Sim CB, Koutsis K, Anderson DJ, Qian EL et al. The role of cardiac transcription factor NKX2-5 in regulating the human cardiac miRNAome. Scientific reports. 2019 Dec 1;9(1). 15928. https://doi.org/10.1038/s41598-019-52280-9
Arasaratnam, Deevina ; Bell, Katrina M. ; Sim, Choon Boon ; Koutsis, Kathy ; Anderson, David J. ; Qian, Elizabeth L. ; Stanley, Edouard G. ; Elefanty, Andrew G. ; Cheung, Michael M. ; Oshlack, Alicia ; White, Anthony J. ; Khalil, Charbel Abi ; Hudson, James E. ; Porrello, Enzo R. ; Elliott, David A. / The role of cardiac transcription factor NKX2-5 in regulating the human cardiac miRNAome. In: Scientific reports. 2019 ; Vol. 9, No. 1.
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