Table 1.

Circulating miRNAs and their extraction and quantification methods.

Author	MicroRNA Studied	RNA Extraction Method	MicroRNA Quantification Method	MicroRNA Quantification Technology
Liu [20]	miRNA-150	mirVana™ PARIS™ kit (Invitrogen)	qRT-PCR	TaqMan
Galenko [17]	miRNA-133a	Norgen Biotek, Inc. (Thorold, ON, Canada)	qRT-PCR	TaqMan
Galenko [17]	miRNA-150	Norgen Biotek, Inc.	qRT-PCR	TaqMan
Sieweke [18]	miRNA-21	miRNeasy Mini kit	qRT-PCR	TaqMan
Xiao [21]	hsa-miRNA-4443	miRCURY™ RNA isolation kit	Agilent Bioanalyzer 2100 (Small RNA Analysis Chip; Agilent Technologies, Inc., Santa Clara, CA, USA)	TaqMan
Chen et al. [22]	miRNA-21	TRIzol reagent kit	qRT-PCR	TaqMan
Geurts et al. [19]	miR-20a-5p	Illumina NextSeq 500 (Illumina, San Diego, CA, USA)	HTG Molecular Diagnostics, Tuscon, AZ, USA	------------------
Geurts et al. [19]	miR-4798-3p	Illumina NextSeq 500 (Illumina, San Diego, CA, USA)	HTG Molecular Diagnostics, Tuscon, AZ, USA	-----------------

miRNA: MicroRNA; qRT-PCR: Reverse Transcriptase-Polymerase Chain Reaction; miR: Pre-miRs.