Screening ethnically diverse human embryonic stem cells identifies a chromosome 20 minimal amplicon conferring growth advantage.

International Stem Cell Initiative; Katherine Amps; Peter W Andrews; George Anyfantis; Lyle Armstrong; Stuart Avery; Hossein Baharvand; Julie Baker; Duncan Baker; Maria B Munoz; +116 more... Stephen Beil; Nissim Benvenisty; Dalit Ben-Yosef; Juan-Carlos Biancotti; Alexis Bosman; Romulo Martin Brena; Daniel Brison; Gunilla Caisander; María V Camarasa; Jieming Chen; Eric Chiao; Young Min Choi; Andre BH Choo; Daniel Collins; Alan Colman; Jeremy M Crook; George Q Daley; Anne Dalton; Paul A De Sousa; Chris Denning; Janet Downie; Petr Dvorak; Karen D Montgomery; Anis Feki; Angela Ford; Victoria Fox; Ana M Fraga; Tzvia Frumkin; Lin Ge; Paul J Gokhale; Tamar Golan-Lev; Hamid Gourabi; Michal Gropp; Guangxiu Lu; Ales Hampl; Katie Harron; Lyn Healy; Wishva Herath; Frida Holm; Outi Hovatta; Johan Hyllner; Maneesha S Inamdar; Astrid Kresentia Irwanto; Tetsuya Ishii; Marisa Jaconi; Ying Jin; Susan Kimber; Sergey Kiselev; Barbara B Knowles; Oded Kopper; Valeri Kukharenko; Anver Kuliev; Maria A Lagarkova; Peter W Laird; Majlinda Lako; Andrew L Laslett; Neta Lavon; Dong Ryul Lee; Jeoung Eun Lee; Chunliang Li; Linda S Lim; Tenneille E Ludwig; Yu Ma; Edna Maltby; Ileana Mateizel; Yoav Mayshar; Maria Mileikovsky; Stephen L Minger; Takamichi Miyazaki; Shin Yong Moon; Harry Moore; Christine Mummery; Andras Nagy; Norio Nakatsuji; Kavita Narwani; Steve KW Oh; Sun Kyung Oh; Cia Olson; Timo Otonkoski; Fei Pan; In-Hyun Park; Steve Pells; Martin F Pera; Lygia V Pereira; Ouyang Qi; Grace Selva Raj; Benjamin Reubinoff; Alan Robins; Paul Robson; Janet Rossant; Ghasem H Salekdeh; Thomas C Schulz; Karen Sermon; Jameelah Sheik Mohamed; Hui Shen; Eric Sherrer; Kuldip Sidhu; Shirani Sivarajah; Heli Skottman; Claudia Spits; Glyn N Stacey; Raimund Strehl; Nick Strelchenko; Hirofumi Suemori; Bowen Sun; Riitta Suuronen; Kazutoshi Takahashi; Timo Tuuri; Parvathy Venu; Yuri Verlinsky; Dorien Ward-van Oostwaard; Daniel J Weisenberger; Yue Wu; Shinya Yamanaka; Lorraine Young; Qi Zhou; (2011) Screening ethnically diverse human embryonic stem cells identifies a chromosome 20 minimal amplicon conferring growth advantage. Nature biotechnology, 29 (12). pp. 1132-1144. ISSN 1087-0156 DOI: 10.1038/nbt.2051
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The International Stem Cell Initiative analyzed 125 human embryonic stem (ES) cell lines and 11 induced pluripotent stem (iPS) cell lines, from 38 laboratories worldwide, for genetic changes occurring during culture. Most lines were analyzed at an early and late passage. Single-nucleotide polymorphism (SNP) analysis revealed that they included representatives of most major ethnic groups. Most lines remained karyotypically normal, but there was a progressive tendency to acquire changes on prolonged culture, commonly affecting chromosomes 1, 12, 17 and 20. DNA methylation patterns changed haphazardly with no link to time in culture. Structural variants, determined from the SNP arrays, also appeared sporadically. No common variants related to culture were observed on chromosomes 1, 12 and 17, but a minimal amplicon in chromosome 20q11.21, including three genes expressed in human ES cells, ID1, BCL2L1 and HM13, occurred in >20% of the lines. Of these genes, BCL2L1 is a strong candidate for driving culture adaptation of ES cells.
Item Type Article
ISI 298038700025

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