title: Decrease in the density of DNA topological turns during vitro aging of Syrian hamster cells.
mesh_terms: D000818:Animals; D002454:Cell Differentiation; D002455:Cell Division; D002470:Cell Survival; D002478:Cells, Cultured; D006224:Cricetinae; D004278:DNA, Superhelical / Q000235:genetics; D005347:Fibroblasts; D005786:Gene Expression Regulation; D008647:Mesocricetus; D012313:RNA / Q000235:genetics; D014158:Transcription, Genetic
chemical_list: D004278:DNA, Superhelical; D012313:RNA