title: Extrachromosomal circular copies of an 'inter-Alu' unstable sequence in human DNA are amplified during in vitro and in vivo ageing.
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging; D002470:Cell Survival; D004247:DNA; D004270:DNA, Circular; D005111:Extrachromosomal Inheritance; D005784:Gene Amplification; D006801:Humans; D066298:In Vitro Techniques; D008214:Lymphocytes; D008875:Middle Aged; D012091:Repetitive Sequences, Nucleic Acid
chemical_list: D004270:DNA, Circular; D004247:DNA