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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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RNA-seq of sorted cells at day 7.5 of cardiac differentiation from human embyronic stem cells

ABSTRACT: The experiment aimed to resolve cellular heterogeneity in cardiac differentiation through the purification of different cell populations by lineage markers and analysis of their transcriptomes and chromatin accessibility. The differentiation protocol was designed to promote cell diversity. The addition of SB at day 2, inhibited SMAD2/3 phosphorylation and created a high BMP signalling bias to restrict cardiac differentiation in favour of other mesodermal lineages, whereas the addition of DMH1 at day 2, inhibited SMAD1/5/8 phosphorylation to create a high Activin signaling bias to promote the co-differentiation of endoderm. Cells were sorted based on SOX17-tomato and NKX2-5-GFP knock-in reporters into their major classes: Pop1 = SB_G0_T0 Pop2 = SB_G1_T0 Pop3 = CTRL_G0_T0 Pop4 = CTRL_G1_T0 Pop5 = DM_G0_T0 Pop6 = DM_G1_T0 Pop7 = DM_G1_T1 Pop8 = DM_G0_T1

INSTRUMENT(S): Illumina HiSeq 4000

ORGANISM(S): Homo sapiens

SUBMITTER:

PROVIDER: E-MTAB-14276 | biostudies-arrayexpress |

SECONDARY ACCESSION(S): ERP162206

REPOSITORIES: biostudies-arrayexpress

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ATAC-seq of sorted cells at day 7.5 of cardiac differentiation from human embryonic stem cells

Project description:The experiment aimed to resolve cellular heterogeneity in cardiac differentiation through the purification of different cell populations by lineage markers and analysis of their transcriptomes and chromatin accessibility. The differentiation protocol was designed to promote cell diversity. The addition of SB at day 2, inhibited SMAD2/3 phosphorylation and created a high BMP signalling bias to restrict cardiac differentiation in favour of other mesodermal lineages, whereas the addition of DMH1 at day 2, inhibited SMAD1/5/8 phosphorylation to create a high Activin signaling bias to promote the co-differentiation of endoderm. Cells were sorted based on SOX17-tomato and NKX2-5-GFP knock-in reporters into their major classes: Pop1 = SB_G0_T0 Pop2 = SB_G1_T0 Pop3 = CTRL_G0_T0 Pop4 = CTRL_G1_T0 Pop5 = DM_G0_T0 Pop6 = DM_G1_T0 Pop7 = DM_G1_T1 Pop8 = DM_G0_T1

2025-02-13 | E-MTAB-14277 | biostudies-arrayexpress

RNA-seq of sorted cells at day 3 of cardiac differentiation based on HAND1 level

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2025-02-13 | E-MTAB-14278 | biostudies-arrayexpress

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2025-01-31 | E-MTAB-14250 | biostudies-arrayexpress

Single cell RNA-seq to resolve heterogeneity in a cardiac differentiation timecourse from wild-type and HAND1-null hESCs

Project description:The aim was to assess the role of HAND1 in cardiac differentiation. The differentiation protocol was designed to promote cell diversity. For wild-type and HAND1-null cell lines we combined cells differentiating under different conditions: 50% control, 25% SB-treated (day 2-3) and 25% DMH1-treated (day 2-3). The addition of SB at day 2, inhibited SMAD2/3 phosphorylation and created a high BMP signalling bias to restrict cardiac differentiation in favour of other mesodermal lineages, whereas the addition of DMH1 at day 2, inhibited SMAD1/5/8 phosphorylation to create a high Activin signaling bias to promote the co-differentiation of endoderm. Samples were collected at days 3, 4, 5, 6, 7, 8 and 10 for wild-type and HAND1-null populations. An additional day 7 and 8 sample was included for the wild-type, which was generated in the same condition.

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Combining transcriptome and proteome analysis to identify and characterize the RpoS regulon in Pseudomonas fluorescens

Project description:Background: Microorganisms are the major cause of food spoilage during storage, processing and distribution. Pseudomonas fluorescens is a typical spoilage bacterium that contributes to a large extent to the spoilage process of proteinaceous food. RpoS is considered an important global regulator involved in stress survival and virulence in many pathogens. Our previous work revealed that RpoS contributed to the spoilage activities of P. fluorescens by regulating resistance to different stress conditions, extracellular acylated homoserine lactone (AHL) levels, extracellular protease and total volatile basic nitrogen (TVB-N) production. However, RpoS-dependent genes in P. fluorescens remained undefined. Results: RNA-seq transcriptomics analysis combined with quantitative proteomics analysis basing on multiplexed isobaric tandem mass tag (TMT) labeling was performed for the P. fluorescens wild-type strain UK4 and its derivative carrying a rpoS mutation. A total of 375 differentially expressed genes (DEGs) and 212 differentially expressed proteins (DEPs) were identified in these two backgrounds. The DGEs were further verified by qRT-PCR tests, and the genes directly regulated by RpoS were confirmed by 5’-RACE-PCR sequencing. The combining transcriptome and proteome analysis revealed a role of this regulator in several cellular processes, including polysaccharide metabolism, intracellular secretion and extracellular structures, cell well biogenesis, stress responses, ammonia and biogenic amine production, which may contribute to biofilm formation, stress resistance and spoilage activities of P. fluorescens. Moreover, in this work we indeed observed that RpoS contributed to the production of the macrocolony biofilm’s matrix.

2019-11-12 | PXD010845 | Pride

ATAC-seq of sorted cells at day 3 of cardiac differentiation based on HAND1 level

2025-02-13 | E-MTAB-14279 | biostudies-arrayexpress

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