Delta-aminolevulinic acid synthetase: induction in embryonic chick liver by glucagon.

Science. 1970 Mar 6;167(3923):1378-9. doi: 10.1126/science.167.3923.1378.

Glucagon elicits a twofold increase in delta-aminolevulinic acid synthetase activity in the livers of 18-day-old chick embryos. This rise occurs when RNA synthesis is inhibited, but is prevented when protein synthesis is blocked. Cyclic adenosine monophosphate appears not to be involved.