title: Changes in the level of poly ADP-ribosylation during a cell cycle.
mesh_terms: D002453:Cell Cycle; D002467:Cell Nucleus / Q000378:metabolism; D004247:DNA / Q000494:pharmacology; D006367:HeLa Cells; D006657:Histones / Q000494:pharmacology; D006863:Hydrogen-Ion Concentration; D008938:Mitosis; D009536:Niacinamide / Q000494:pharmacology; D009702:Nucleoside Diphosphate Sugars / Q000096:biosynthesis*; D011064:Poly Adenosine Diphosphate Ribose / Q000096:biosynthesis*; D011065:Poly(ADP-ribose) Polymerases / Q000378:metabolism
chemical_list: D006657:Histones; D009702:Nucleoside Diphosphate Sugars; D009536:Niacinamide; D011064:Poly Adenosine Diphosphate Ribose; D004247:DNA; D011065:Poly(ADP-ribose) Polymerases