A reference human induced pluripotent stem cell line for large-scale collaborative studies

Caroline B. Pantazis, Andrian Yang, Erika Lara, Justin A. McDonough, Cornelis Blauwendraat, Lirong Peng, Hideyuki Oguro, Jitendra Kanaujiya, Jizhong Zou, David Sebesta, Gretchen Pratt, Erin Cross, Jeffrey Blockwick, Philip Buxton, Lauren Kinner-Bibeau, Constance Medura, Christopher Tompkins, Stephen Hughes, Marianita Santiana, Faraz FaghriMike A. Nalls, Daniel Vitale, Shannon Ballard, Yue A. Qi, Daniel M. Ramos, Kailyn M. Anderson, Julia Stadler, Priyanka Narayan, Jason Papademetriou, Luke Reilly, Matthew P. Nelson, Sanya Aggarwal, Leah U. Rosen, Peter Kirwan, Venkat Pisupati, Steven L. Coon, Sonja W. Scholz, Theresa Priebe, Miriam Öttl, Jian Dong, Marieke Meijer, Lara J.M. Janssen, Vanessa S. Lourenco, Rik van der Kant, Dennis Crusius, Dominik Paquet, Ana Caroline Raulin, Guojun Bu, Aaron Held, Brian J. Wainger, Rebecca M.C. Gabriele, Jackie M. Casey, Selina Wray, Dad Abu-Bonsrah, Clare L. Parish, Melinda S. Beccari, Don W. Cleveland, Emmy Li, Indigo V.L. Rose, Martin Kampmann, Carles Calatayud Aristoy, Patrik Verstreken, Laurin Heinrich, Max Y. Chen, Birgitt Schüle, Dan Dou, Erika L.F. Holzbaur, Maria Clara Zanellati, Richa Basundra, Mohanish Deshmukh, Sarah Cohen, Richa Khanna, Malavika Raman, Zachary S. Nevin, Madeline Matia, Jonas Van Lent, Vincent Timmerman, Bruce R. Conklin, Katherine Johnson Chase, Ke Zhang, Salome Funes, Daryl A. Bosco, Lena Erlebach, Marc Welzer, Deborah Kronenberg-Versteeg, Guochang Lyu, Ernest Arenas, Elena Coccia, Lily Sarrafha, Tim Ahfeldt, John C. Marioni, William C. Skarnes, Mark R. Cookson, Michael E. Ward, Florian T. Merkle

Research output: Contribution to journalArticlepeer-review


Human induced pluripotent stem cell (iPSC) lines are a powerful tool for studying development and disease, but the considerable phenotypic variation between lines makes it challenging to replicate key findings and integrate data across research groups. To address this issue, we sub-cloned candidate human iPSC lines and deeply characterized their genetic properties using whole genome sequencing, their genomic stability upon CRISPR-Cas9-based gene editing, and their phenotypic properties including differentiation to commonly used cell types. These studies identified KOLF2.1J as an all-around well-performing iPSC line. We then shared KOLF2.1J with groups around the world who tested its performance in head-to-head comparisons with their own preferred iPSC lines across a diverse range of differentiation protocols and functional assays. On the strength of these findings, we have made KOLF2.1J and its gene-edited derivative clones readily accessible to promote the standardization required for large-scale collaborative science in the stem cell field.

Original languageEnglish (US)
Pages (from-to)1685-1702.e22
JournalCell Stem Cell
Issue number12
StatePublished - Dec 1 2022


  • differentiation
  • iPSC
  • karyotype
  • p53
  • pluripotent
  • reference
  • single-cell
  • stem cell
  • whole-genome

ASJC Scopus subject areas

  • Molecular Medicine
  • Genetics
  • Cell Biology


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