The resulting mRNA is a single-stranded copy of the gene, which next must be translated into a protein molecule. During translation, which is the second major step in gene expression, the mRNA is read according to the genetic code, which relates the DNA sequence to the amino acid sequence in proteins (Figure 2).
This group of drugs followed and largely superseded another group of medications with similar effects, but a different mode of action, called H2-receptor antagonists. PPIs are among the most widely sold drugs in the world, and the first one, omeprazole, is on the WHO Model List of Essential Medicines.
Widely Used Heartburn Drugs Linked to Dementia Risk in Study. Posted 15 Feb 2016 by Drugs.com. MONDAY, Feb. 15, 2016 â A popular class of heartburn medications might raise a senior's risk of dementia, a new study suggests. Called proton pump inhibitors (PPIs), this group of drugs includes Prilosec, Nexium and Prevacid.