Histone deacetylation inhibitors |
Promotes chromatin accessibility enhancing gene transcription |
Sodium butyrate, trichostatin A and valproic acid |
[29,34,35] |
Media supplements |
Promotes insect cell processes |
Cholesterol, glutathione, antioxidants, polyamines |
[36] |
Altering post-translational modifications |
Enables a more seamless transition from insect cells to mammalian cells |
Addition of gp64 or bee melittin to alter protein fate Sf9 and High five cell lines |
[37,39–41] |
Altering baculovirus genes |
Provides more space for transgenes improving transgene expression |
Replace chitinase and cathepsin |
[18,31] |
Chaperone addition |
Assist with protein folding to increase protein quality and yield |
Addition of hsp70, hsp40, immunoglobin protein, calnexin, calreticulin and protein disulfide isomerase |
[43–45] |