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Programming human pluripotent stem cells into white and brown adipocytes.

ABSTRACT: The utility of human pluripotent stem cells is dependent on efficient differentiation protocols that convert these cells into relevant adult cell types. Here we report the robust and efficient differentiation of human pluripotent stem cells into white or brown adipocytes. We found that inducible expression of PPARG2 alone or combined with CEBPB and/or PRDM16 in mesenchymal progenitor cells derived from pluripotent stem cells programmed their development towards a white or brown adipocyte cell fate with efficiencies of 85%-90%. These adipocytes retained their identity independent of transgene expression, could be maintained in culture for several weeks, expressed mature markers and had mature functional properties such as lipid catabolism and insulin-responsiveness. When transplanted into mice, the programmed cells gave rise to ectopic fat pads with the morphological and functional characteristics of white or brown adipose tissue. These results indicate that the cells could be used to faithfully model human disease.

SUBMITTER: Ahfeldt T

PROVIDER: S-EPMC3385947 | biostudies-literature | 2012 Jan

REPOSITORIES: biostudies-literature

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Programming human pluripotent stem cells into white and brown adipocytes.

Ahfeldt Tim T Schinzel Robert T RT Lee Youn-Kyoung YK Hendrickson David D Kaplan Adam A Lum David H DH Camahort Raymond R Xia Fang F Shay Jennifer J Rhee Eugene P EP Clish Clary B CB Deo Rahul C RC Shen Tony T Lau Frank H FH Cowley Alicia A Mowrer Greg G Al-Siddiqi Heba H Nahrendorf Matthias M Musunuru Kiran K Gerszten Robert E RE Rinn John L JL Cowan Chad A CA

Nature cell biology 20120115 2

The utility of human pluripotent stem cells is dependent on efficient differentiation protocols that convert these cells into relevant adult cell types. Here we report the robust and efficient differentiation of human pluripotent stem cells into white or brown adipocytes. We found that inducible expression of PPARG2 alone or combined with CEBPB and/or PRDM16 in mesenchymal progenitor cells derived from pluripotent stem cells programmed their development towards a white or brown adipocyte cell fa ...[more]

PMID: 22246346

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Project description:BACKGROUND:The role of brown fat in non-shivering thermogenesis and the discovery of brown fat depots in adult humans has made it the subject of intense research interest. A renewable source of brown adipocyte (BA) progenitors would be highly valuable for research and therapy. Directed differentiation of human pluripotent stem (hPS) cells to white or brown adipocytes is limited by lack of cell purity and scalability. Here we describe an alternative approach involving the identification of clonal self-renewing human embryonic progenitor (hEP) cell lines following partial hPS cell differentiation and selection of scalable clones. METHODS:We screened a diverse panel of hPS cell-derived clonal hEP cell lines for adipocyte markers following growth in adipocyte differentiation medium. The transcriptome of the human hES-derived clonal embryonic progenitor cell lines E3, C4ELS5.1, NP88, and NP110 representing three class of definitive adipocyte progenitors were compared to the relatively non-adipogenic line E85 and adult-derived BAT and SAT-derived cells using gene expression microarrays, RT-qPCR, metabolic analysis and immunocytochemistry. Differentiation conditions were optimized for maximal UCP1 expression. RESULTS:Many of the differentiated hEP cell lines expressed the adipocyte marker, FAPB4, but only a small subset expressed definitive adipocyte markers including brown adipocyte marker, UCP1. Class I cells (i.e., E3) expressed CITED1, ADIPOQ, and C19orf80 but little to no UCP1. Class II (i.e., C4ELS5.1) expressed CITED1 and UCP1 but little ADIPOQ and LIPASIN. Class III (i.e., NP88, NP110) expressed CITED1, ADIPOQ, C19orf80, and UCP1 in a similar manner as fetal BAT-derived (fBAT) cells. Differentiated NP88 and NP110 lines were closest to fBAT cells morphologically in adiponectin and uncoupling protein expression. But they were more metabolically active than fBAT cells, had higher levels of 3-hydroxybutyrate, and lacked expression of fetal/adult marker, COX7A1. The hEP BA progenitor lines were scalable to 17 passages without loss of differentiation capacity and could be readily rederived. CONCLUSIONS:Taken together, these data demonstrate that self-renewing adipocyte progenitor cells can be derived from hES cells and that they are functionally like BAT cells but with unique properties that might be advantageous for basic research and for development of cell-based treatments for metabolic diseases.

Project description:The utility of human pluripotent stem cells as a tool for understanding disease and as a renewable source of cells for transplantation therapies is dependent on efficient differentiation protocols that convert these cells into relevant adult cell types. Here we report the robust and efficient differentiation of human pluripotent stem cells into adipocytes. We found that inducible expression of PPARG2 in pluripotent stem cell-derived mesenchymal progenitor cells programmed their development towards an adipocyte cell fate. Using this approach, multiple human pluripotent cell lines were differentiated into adipocytes with efficiencies of 85% to 90%. These pluripotent stem cell-derived adipocytes retained their identity independent of transgene expression, could be maintained in culture for several weeks, expressed mature markers, and exhibited mature functional properties such as lipid catabolism in response to a beta-adrenergic stimulus. Global transcriptional and lipid metabolomic analyses further confirmed the identity and maturity of these pluripotent stem cell-derived adipocytes. Mesenchymal progenitor cells (MPCs) derived from human embryonic stem cells hESCs and induced pluripotent stem cells (iPSCs) along with adipose-derived stromal vascular cells (ADSVCs) were subjected to induction of PPAR2 and compared to primary fat samples. Overall 2 ADSVC (ADSVC 24 nd 49) lines, 1 hESC (HUES9) line and 1 iPSC (BJRiPS) line were differentiated into MPCs, PPAR2 programmed, and compared to untreated MPCs and primary fat samples from 2 individuals. Each condition is either represented in duplicate or triplicate on affymetrix HuGene-1_0-st arrays. MPCs derived from the hESC lines HUES2 and HUES8, ADSVCs, and BJRiPS were also run on a separate platform (HG-U133_Plus_2) with more GEO presence to facilitate analysis (34 samples, two platforms total). Supplementary file(s): GeneSymbol-collapsed data represent the final normalized data used for analyses in the manuscript.

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Programming human pluripotent stem cells into white and brown adipocytes.

Publications

Programming human pluripotent stem cells into white and brown adipocytes.

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