| PRISMA | Preferred Reporting Items for Systematic Reviews and Meta-Analyses |
| PICO | Participants: Intervention, Control, and Outcomes |
| EMBASE | Excerpta Medica Database |
| PCR | Polymerase chain reaction |
| qRT-PCR | Quantitative real-time polymerase chain reaction |
| mRNA | Messenger RNA |
| rRNA | Ribosomal RNA |
| miRNA | MicroRNA |
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