"a direct regulation" is a correct and usable phrase in written English.
You can use it when you want to refer to a rule or law that is clearly stated and that has no other interpretations. For example: "The company must adhere to a direct regulation regarding safety procedures in the workplace."
We recently demonstrated that key elements of the BMP pathway co-localised with CDX2 in IM and positively regulated CDX2 in gastric cell lines, 24 and we showed a direct regulation of CDX2 expression by interaction of H pylori with epithelial cells in an in vitro co-culture model.
The scheme proposes a direct regulation of the motor shaft speed.
The characterization of the promoter region of UPase has indicated a direct regulation of its expression by the tumor suppressor gene p53.
"Were it enacted as a direct regulation of speech, the Policy Requirement would plainly violate the First Amendment," said Roberts, who delivered the opinion of the court.
However, a direct regulation of Optx2 expression by Rx remains to be demonstrated.
Presumably, this is a direct regulation mediated by the RAREs present in the minimal promoter of this gene [49].
MblC activation of apoptosis could reveal a direct regulation of apoptotic genes at RNA level or be an indirect effect.
Taken together with the fact that serum Se increases upon T3 treatment, our data suggest a direct regulation of serum Se by TH in a TRα1 dependent manner.
We note that this association does not imply a direct regulation by the miRNA but rather indicates the biological process in which the pivot miRNA plays a role.
However, GPx3 activity was not altered by T3 in either genotype, indicating that this is not a direct regulation by TRα1.
To ascertain if the variations seen in myelinating cocultures are due to a direct regulation of their mRNA levels in Schwann cells, we examined if RA could also regulate retinoid receptors in pure isolated primary Schwann cells cultures.
