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Temporal control of species-specific motor neuron differentiation [Mm]

ABSTRACT: How species-specific developmental timing is controlled is largely unknown. By following human embryonic stem cell (hESC) and mouse stem cell (mESC) differentiation to motor neurons through detailed RNA-sequencing time courses, we wish to find if there is a global scaling factor between species

ORGANISM(S): Mus musculus

PROVIDER: GSE140748 | GEO | 2020/09/18

REPOSITORIES: GEO

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Temporal control of species-specific motor neuron differentiation [Hs]

Project description:How species-specific developmental timing is controlled is largely unknown. By following human embryonic stem cell (hESC) and mouse stem cell (mESC) differentiation to motor neurons through detailed RNA-sequencing time courses, we wish to find if there is a global scaling factor between species

2020-09-18 | GSE140747 | GEO

Avian 12th motor neuron

Project description:To determine what kind of genes are involved in vocal learning ability, we performed microarray experiments using 3 vocal learning species (zebra finch, budgerigar, Anna's hummingbird) and 2 non-vocal learning species(ring dive, and Japanese quail) from the bird group. All of the animals are male adults. They were isolated over night and had 1hour light exposure at morning. Birds who did not sing were used in this experiment. We used 2-3 animals each species. We used the 12th motor neuron for both vocal learners and non-vocal learners. We used the Supra Spinal motor neuron (ssp) as control area for both groups.

2012-05-30 | E-GEOD-33667 | biostudies-arrayexpress

Temporal control of species-specific motor neuron differentiation [Mm]

Project description:Temporal control of species-specific motor neuron differentiation [Mm]

| PRJNA590756 | ENA

Avian 12th motor neuron

2012-05-31 | GSE33667 | GEO

Isl1-Lhx3 fusion specifies motor neuron fate by inducing motor neuron genes and concomitantly suppressing the interneuron programs

Project description:Combinatorial transcription codes generate the myriad of cell types during development, and thus likely provide crucial insights into directed differentiation of stem cells to a specific cell type. The LIM-complex composed of Isl1 and Lhx3 directs the specification of spinal motor neurons (MNs) in embryos. Here, we report that Isl1-Lhx3, a LIMcomplex-mimicking fusion, induces a signature of MN transcriptome and concomitantly suppresses interneuron differentiation programs, thereby serving as a potent and specific inducer of MNs in stem cells. We show that an equimolar ratio of Isl1 and Lhx3 and the LIM-domain of Lhx3 are crucial for generating MNs without upregulating interneuron genes. These led us to design Isl1-Lhx3, which maintains the desirable 1:1 ratio of Isl1 and Lhx3 and the LIM-domain of Lhx3. Isl1-Lhx3 drives MN differentiation with high specificity and efficiency in the spinal cord and embryonic stem cells, bypassing the need for sonic hedgehog. RNA-seq analysis revealed that Isl1-Lhx3 induces the expression of a battery of MN genes that control various functional aspects of MNs, while suppressing key interneuron genes. Our studies uncover a highly efficient method for directed MN generation and MN gene networks. Our results also demonstrate a general strategy of utilizing embryonic transcription complexes for producing specific cell types from stem cells. Examine the RNA expression profiles of inducible motor neurons-embryonic stem cells (iMN-ESCs) with or without Dox treatment, with biological duplicates.

2012-02-03 | E-GEOD-35510 | biostudies-arrayexpress

Gene expression analysis of H9 hESC derived cardiomyocytes (CM) and neuron stem cells (NSC)

Project description:In this study, we generated wildtype H9 hESC derived cardiomyocytes (CM) and neural stem cells (NSC) by in vitro differentiation. Global gene expression profiles were compared among undifferentiated H9 hESC and the derived CM and NSC. Comparison of global gene expression profiles of undifferentiated H9 hESC and the derived CM and NSC populations.

2013-08-31 | E-GEOD-48257 | biostudies-arrayexpress

Generation of pluripotent stem cells

Project description:Pluripotent stem cells, which are capable to generate any cell type of the human body, such as human embryonic stem cells (hESC) or human induced pluripotent stem cells (hiPS) are a very promising source of cells for regenerative medicine. However, the genesis, the in vitro amplification and the differentiation of these cells still need improvement before clinical use. This study aimed to improve our knowledge on these critical steps in pluripotent stem cell generation. We derived new hESC lines, generated hiPS and compared these cell types with human foreskin fibroblasts and partially reprogrammed fibroblasts. We included in the overall study hESC, hiPS, human foreskin fibroblasts and partially reprogrammed fibroblasts. Here, hESC lines derived from embryos were hybridized on U133 Plus 2.0 GeneChips (Affymetrix). All samples were normalized using the MAS5 (GCOS 1.2) algorithm, using the default analysis settings and global scaling as normalization method, with a trimmed mean target intensity value (TGT) of each array arbitrarily set to 100. Human pluripotent stem cells were compared with somatic samples and partially reprogrammed cells.

2010-05-27 | E-GEOD-15491 | biostudies-arrayexpress

ESC Exposed to Butyrate

Project description:This SuperSeries is composed of the following subset Series: GSE15107: R1 mESC Exposed to Butyrate GSE15109: BG02 hESC Exposed to Butyrate GSE15110: H1 hESC Exposed to Butyrate Refer to individual Series

2009-03-04 | E-GEOD-15112 | biostudies-arrayexpress

Gene expression analysis of H9 hESC derived cardiomyocytes (CM) and neuron stem cells (NSC)

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TDP-43 iCLIP in mESC and hESC

Project description:TDP-43 iCLIP in mESC and hESC

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