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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Efficient derivation of purified lung and thyroid progenitors from embryonic stem cells

ABSTRACT: Two populations of Nkx2-1+ progenitors in the developing foregut endoderm give rise to the entire post-natal lung and thyroid epithelium, but little is known about these cells, as they are difficult to isolate in a pure form. We demonstrate here the purification and directed differentiation of primordial lung and thyroid progenitors derived from mouse embryonic stem cells (ESCs). Inhibition of TGFM-NM-2 and BMP signaling, followed by combinatorial stimulation of BMP and FGF signaling can specify these cells efficiently from definitive endodermal precursors. When derived using Nkx2-1GFP knock-in reporter ESCs, these progenitors can be purified for expansion in culture and have a transcriptome that overlaps with developing lung epithelium. Upon induction, they can express a broad repertoire of markers indicative of lung and thyroid lineages and can recellularize a 3D lung tissue scaffold. Thus, we have derived a pure population of progenitors able to recapitulate the developmental milestones of lung/thyroid development. Comparison between Nkx2-1 positive and Nkx2-1 negative cells derived after 14 days of differentiation of mouse ES cells carrying a knock-in reporter gene, Nkx2-1GFP.

ORGANISM(S): Mus musculus

SUBMITTER: steve shen

PROVIDER: E-GEOD-35063 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Efficient derivation of purified lung and thyroid progenitors from embryonic stem cells

Project description:Two populations of Nkx2-1+ progenitors in the developing foregut endoderm give rise to the entire post-natal lung and thyroid epithelium, but little is known about these cells, as they are difficult to isolate in a pure form. We demonstrate here the purification and directed differentiation of primordial lung and thyroid progenitors derived from mouse embryonic stem cells (ESCs). Inhibition of TGFβ and BMP signaling, followed by combinatorial stimulation of BMP and FGF signaling can specify these cells efficiently from definitive endodermal precursors. When derived using Nkx2-1GFP knock-in reporter ESCs, these progenitors can be purified for expansion in culture and have a transcriptome that overlaps with developing lung epithelium. Upon induction, they can express a broad repertoire of markers indicative of lung and thyroid lineages and can recellularize a 3D lung tissue scaffold. Thus, we have derived a pure population of progenitors able to recapitulate the developmental milestones of lung/thyroid development.

2012-04-05 | GSE35063 | GEO

Global gene expression kinetics of early human lung development modeled by directed differentiation of human PSCs using an NKX2-1GFP iPSC reporter

Project description:It has been postulated that during human fetal development all cells of the lung epithelium derive from an embryonic endodermal NKX2-1+ precursor, however, this hypothesis has not been formally tested due to an inability to purify or track this theorized cell for detailed characterization. Here we engineer and developmentally differentiate NKX2-1GFP reporter pluripotent stem cells (PSCs) in vitro to generate and isolate a human primordial lung progenitor that expresses NKX2-1 but is initially devoid of markers of differentiated lung lineages. As these progenitors move through the earliest moments of lung lineage specification from definitive endoderm they can be imaged in real time or isolated for time-series global transcriptomic profiling. We performed microarray analysis of 5 timepoints of human iPSC to lung directed differentiation compared to week 21 human fetal lung and Neural NKX2-1+ cell controls. These profiles indicate that evolutionarily conserved, stage-dependent developmental gene signatures are expressed in primordial human lung progenitors. Using a TALEN-targeted fluorescent reporter to purify iPSC-derived lung progenitors (C17 NKX2-1GFP) we analyzed cells at major developmental time points in vitro (undifferentiated iPSC, definitive endoderm, anterior foregut endoderm and sorted NKX2-1GFP+ and NKX2-1GFP- cells on day 15 and day 28 of the protocol). We also differentiated NXK2-1GFP iPSC in a neural protocol and isolated neural NKX2-1GFP+ cells. Approximately 90% pure human fetal lung epithelial cells from week 21 embryos were used as controls.

2017-05-02 | GSE83310 | GEO

Thyroid progenitors are robustly derived from embryonic stem cells through transient, developmental stage-specific overexpression of Nkx2-1

Project description:The clinical importance of anterior foregut endoderm (AFE) derivatives, such as thyrocytes, has led to intense research efforts for their derivation through directed differentiation of pluripotent stem cells (PSCs). Here we identify transient overexpression of the transcription factor (TF) NKX2-1 as a powerful inductive signal for the robust derivation of thyrocyte-like cells from mouse PSC-derived AFE. This effect is highly developmental stage-specific and dependent upon FOXA2 expression levels and precise modulation of BMP and FGF signaling. The majority of the resulting cells express thyroid TFs (Nkx2-1, Pax8, Foxe1, Hhex) and thyroid hormone synthesis-related genes (Tg, Tpo, Nis, Iyd) at levels similar to adult mouse thyroid and give rise to functional follicle-like epithelial structures in Matrigel culture. Our findings demonstrate that NKX2-1 overexpression converts AFE to thyroid epithelium in a developmental time-sensitive manner and suggest a general methodology for manipulation of cell fate decisions of developmental intermediates.

2016-12-20 | GSE92572 | GEO

The effect of modulating substratum biochemical properties on lung epithelial specification in vitro

Project description:Bulk RNA-Seq of all epithelial cell populations from both 2D-Gelatin and 3D-Matrigel conditions, namely 2D-Nkx2-1+EPCAM+ (lung epithelial progenitors derived on 2D gelatin), 3D-Nkx2-1+EPCAM+ (lung epithelial progenitors derived on 3D Matrigel), and 3D-Nkx2-1-EPCAM+ (non-lung epithelial progenitors derived on 3D Matrigel).

2019-12-20 | GSE138676 | GEO

Single-cell RNA-Seq of Foxe1KO mouse ESC-derived cells

Project description:Functional thyroid follicles generation in vitro is obtained at high efficiency by doxycycline-mediated expression of Nkx2-1 and Pax8, two proteins involved in early specification of thyroid lineage. Although those factors are sufficient to induce thyroid specification in vitro, other players, such as Foxe1, are also present in early thyroid primordium and its loss-of-function is responsible for thyroid congenital defects in mice and humans. Here we show that Foxe1KO mESCs can be induced to differentiate towards thyroid lineage but the efficiency of thyroid follicular cells generated is drastically low. Moreover, correct expression of maturation genes and capacity to produce thyroid hormone in vitro are completely disrupted. On the other hand, Nkx2-1 expressing cells derived from Foxe1KO have an unexpected ability to deviate to a lung epithelium differentiation program and form organoids containing multiple lung cell types. These findings demonstrate that Foxe1 is required to reinforce thyroid cell fate in vitro and to promote terminal maturation of thyroid follicles.

2023-12-31 | GSE182337 | GEO

Bulk RNA-Seq of Foxe1KO and control Nkx2-1/mKO2+ mouse ESC-derived cells

2023-12-31 | GSE182480 | GEO

Bulk ATAC-seq of Foxe1KO and control Nkx2-1/mKO2+ mouse ESC-derived cells

2023-12-31 | GSE182676 | GEO

Genome-wide analysis of gene expression in human pluripotent stem cell-derived melanocyte progenitors, mature melanocytes, and disease-specific melanocytes

Project description:Melanocytes are pigment-producing cells of neural crest origin responsible for protecting the skin against UV-irradiation. Melanocyte dysfunction leads to pigmentation defects including albinism, vitiligo, and piebaldism and is a key feature of systemic pathologies such as Hermansky-Pudlak (HP) and Chediak-Higashi (CH) Syndromes. Pluripotent stem cell technology offers a novel approach for studying human melanocyte development and disease. Here we report that timed exposure to activators of WNT, BMP and EDN3 signaling triggers the sequential induction of neural crest and melanocyte precursor fates under dual-SMAD inhibition conditions. Using a SOX10::GFP hESC reporter line, we demonstrate that the temporal onset of WNT activation is particularly critical for human neural crest induction. Surprisingly, suppression of BMP signaling does reduce neural crest yield. Subsequent differentiation of hESC-derived melanocyte precursors under defined conditions yields pure populations of pigmented cells matching the molecular and functional properties of adult melanocytes. Melanocytes from patient-specific iPSCs faithfully reproduce the ultrastructural features of the HP- and CH-specific pigmentation defects with minimal variability across lines. Our data define a highly specific requirement for WNT signaling during neural crest induction and enable the generation of pure populations of hiPSC-derived melanocytes for faithful modeling of human pigmentation disorders. Total RNA obtained from embryonic stem cells (ESCs), ESC-derived melanocyte progenitors, ESC-derived mature melanocytes, primary melanocytes, and disease-specific induced pluripotent stem cell-derived melanocytes.

2013-06-01 | E-GEOD-45226 | biostudies-arrayexpress

Single cell RNA-sequencing of day 15 cells derived from the directed differentiation of human iPSCs towards lung epithelium

Project description:It has been postulated that during human fetal development all cells of the lung epithelium derive from an embryonic endodermal NKX2-1+ precursor, however, this hypothesis has not been formally tested due to an inability to purify or track this theorized cell for detailed characterization. Progress has been made in deriving lung epithelial cells from human induced pluripotent stem cells (iPSCs). However, little is known about the heterogeneity or genetic programs of the cells generated using these lung differentiation protocols. We engineered and differentiated NKX2-1GFP reporter iPSCs in vitro, recapitulating the major developmental milestones of lung development, to generate and isolate human primordial lung progenitors (day 15 of differentiation) that expresses NKX2-1 but are initially devoid of markers of differentiated lung lineages. To further characterize the cells generated in the lung directed differentiation protocol we performed single cell RNA-seq analysis of cells on day 15 of lung directed differentiation. We analyzed sorted NKX2-1GFP+ cells for the iPSC line C17 and cells from the iPSC line BU3.

2017-05-02 | GSE96106 | GEO

Single cell RNAseq of co-cultured mouse iPSC-derived lung mesenchyme and mouse iPSC-derived lung epithelial progenitors in distal and proximal differentiation media

Project description:Co-cultures of lung epithelium and mesenchyme are useful tools to study epithelial-mesenchymal crosstalk in lung development and disease. However, many previous attempts to generate such co-cultures have yielded poor juxtaposition between the epithelial and the mesenchymal lineage. In addition, induced pluripotent stem cell (iPSC)-derived co-cultures often contain generic mesenchyme that is not necessarily lung-specific. We sought to establish co-cultures of purified mouse iPSC-derived lung-specific mesenchyme and iPSC-derived lung epithelial progenitors. We used a mouse iPSC line carrying a lung mesenchyme-specific reporter/tracer (Tbx4-LERGFP) to generate lung mesenchymal progenitors by directed differentiation via a lateral plate mesodermal progenitor state (induced lung mesenchyme, iLM). In parallel we differentiated a mouse embryonic stem (ES) cell line carrying a Nkx2-1mCherry reporter into lung epithelial progenitor cells using our established directed differentiation protocol. We then combined the purified lung epithelial and mesenchymal progenitor cells and co-cultured them in distal or proximal differentiation media for 1 week on Matrigel. We find that cells self-organize into complex 3-dimensional organoids with closely juxtaposed epithelial and mesenchymal cells. Furthermore, co-culture affects the molecular phenotype of both lineages. Our iPSC-derived co-culture model can provide an inexhaustible source of cells for studying lung development, modeling diseases, and developing therapeutics.

2023-05-08 | GSE228313 | GEO

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