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Updated: Jan 26, 2026

Reprogramming Mouse Embryonic Fibroblasts with Transcription Factors to Induce a Hemogenic Program
Published on: December 16, 2016
Programming of ES cells and reprogramming of fibroblasts into renal lineage-like cells
Zohreh Mansoori-Moghadam1, Mehdi Totonchi2, Mahdi Hesaraki3
1Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran; Department of Developmental Biology, University of Science and Culture, Tehran, Iran.
Abstract:
This study aims to prepare intermediate mesoderm-like cells from mouse embryonic fibroblasts (MEFs). In the first step, intermediate mesoderm-like cells (IMLCs) and renal epithelial-like cells (RELCs) were extracted from mouse embryonic stem cells (mESCs) in a specified media that contained two small molecules, CHIR99021 and TTNPB, along with growth factors, FGF9and BMP7. Then, MEFs were directly converted into IM by genes for the pluripotency factors, which encode the transcription factors; Oct4, Sox2, Klf4, and c-Myc (OSKM). These unstable intermediate cells were quickly encouraged to form IM with the assistance of CHIR99021 and TTNPB. The results showed that exogenous expression of OSKM factors for four days was adequate to generate partially reprogrammed cells (SSEA1+/Nanog-). Real-time PCR and immunocytochemistry analysis confirmed the presence of the MEF-derived IMs. This study introduced a method for mESCs differentiation to RELCs followed by MEF conversion in an attempt to generate IM by circumventing pluripotency.
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