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Updated: Jun 10, 2026

Generation of Induced Pluripotent Stem Cells from Frozen Buffy Coats using Non-integrating Episomal Plasmids
Published on: June 5, 2015
Experimental approaches for the generation of induced pluripotent stem cells
Cesar A Sommer1, Gustavo Mostoslavsky
1Section of Gastroenterology, Department of Medicine and Center for Regenerative Medicine (CReM), Boston University School of Medicine, Boston, MA 02118, USA. sommer@bu.edu
Abstract:
Derivation of autologous induced pluripotent stem cells (iPSCs) through direct reprogramming of easily accessible somatic cells holds the potential to transform the field of regenerative medicine. Since Takahashi and Yamanaka's groundbreaking study describing the generation of iPSCs by retroviral-mediated delivery of defined transcription factors, substantial progress has been made to improve both the efficiency and safety of the method. These advances have provided new insights into the molecular mechanisms of reprogramming and promise to accelerate the clinical translation of iPSC technology. Here, we summarize current reprogramming methodologies with a focus on the production of transgene-free or genetically unmanipulated iPSCs and highlight important technical details that ultimately may influence the biological properties of pluripotent stem cells.
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