title: Limited lifespan in somatic cell hybrids and cybrids.
mesh_terms: D002455:Cell Division; D002459:Cell Fusion; D002460:Cell Line; D002467:Cell Nucleus / Q000502:physiology; D002470:Cell Survival; D002471:Cell Transformation, Neoplastic; D002999:Clone Cells; D003593:Cytoplasm; D005347:Fibroblasts; D006367:HeLa Cells; D006801:Humans; D006822:Hybrid Cells / Q000166:cytology*; D007926:Lesch-Nyhan Syndrome