title: Ultrastructural organization of nucleoproteins during aging of cultured human embryonic fibroblasts.
mesh_terms: D000468:Alkalies / Q000494:pharmacology; D002466:Cell Nucleolus / Q000648:ultrastructure; D002467:Cell Nucleus / Q000648:ultrastructure; D002470:Cell Survival; D002843:Chromatin / Q000648:ultrastructure; D004247:DNA; D004622:Embryo, Mammalian; D005347:Fibroblasts / Q000166:cytology*; D006801:Humans; D009698:Nucleoproteins / Q000032:analysis*; D012261:Ribonucleoproteins / Q000032:analysis*
chemical_list: D000468:Alkalies; D002843:Chromatin; D009698:Nucleoproteins; D012261:Ribonucleoproteins; D004247:DNA