Mobile pieces of DNA can jump around in the human genome and exert powerful regulatory effects on neighboring genes at new insertion sites. (phys.org)
Because DDX3 harbors ATPase and RNA unwinding activities, we are interested to know whether these two enzymatic activities are required for the transcriptional regulatory effect of DDX3 on p21waf1 / cip1 promoter. (cancerres.aacrjournals.org)
Preliminary studies also suggest jiaogulan may have even more powerful regulatory effects on a number of body systems than does Asian ginseng. (chiro.org)