Table 2.
Summary of miRNA analysis and engineering in CHO cells.
| Experimental setting | Type of analysis | Outcome | Reference |
|---|---|---|---|
| Temperature shift | Microarray & qPCR | 26 regulated miRNAs | Gammell (2007) |
| Transcription in recombinant cell lines | qPCR | 16 miRNAs with de-regulation in recombinant DG44 cell lines | Lin et al. (2010) |
| Temperature shift | qPCR | 10 regulated miRNAs (miR-7) miR-7 reduces growth and enhances qP |
Barron et al. (2011a) |
| MicroRNA repertoire in various cell lines | NGS | 380 conserved 22 novel miRNAs |
Hackl et al. (2011) |
| MicroRNA repertoire in various cell lines | NGS | 350 conserved miRNAs | Johnson et al. (2011) |
| Batch cultivation | Microarray & qPCR | 118 miRNAs regulated during batch cultivation between lag, exponential and stationary growth phase | Bort et al. (2012) |
| Nutrient depletion & apoptosis | Microarray | 70 miRNAs with regulation upon nutrient limitation | Druz et al. (2012) |
| MicroRNA overexpression screen | Engineering | miR-17 improves growth miR-21 reduces qP |
Jadhav et al. (2012) |
| Transcription in recombinant cell lines | NGS | 190 conserved microRNAs 93 microRNA regulated in two distinct recombinant cell lines |
Hammond et al. (2012a) |
| Genomic context of microRNAs | In silico | Genomic annotation of 350 miRNAs | Hackl et al. (2012b) |
| Correlation to growth rate | Microarray | 35 miRNAs with positive correlation to growth rate 16 miRNAs with negative correlation to growth rate |
Clarke et al. (2012) |
| Specific microRNA knockdown | Engineering | miR-466h-5p knockdown improves batch performance of CHO cells | Druz et al. (2013) |