This would depend on how the test is carried out - it can be either. Usually though, people will quote upregulated as things that are higher in treatment than control, and downregulated as things that are higher in control than treatment.
This would depend on how the test is carried out - it can be either. Usually though, people will quote upregulated as things that are higher in treatment than control, and downregulated as things that are higher in control than treatment.