Transcriptome of hematopoietic stem cells from wild-type and Eumyc transgenic mice on wild-type or caspase-1/11 double knockout backgrounds
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA761697 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR15813562_1.fastq.gz | Fastqsanger.gz | |||
| SRR15813562_2.fastq.gz | Fastqsanger.gz | |||
| SRR15813563_1.fastq.gz | Fastqsanger.gz | |||
| SRR15813563_2.fastq.gz | Fastqsanger.gz | |||
| SRR15813564_1.fastq.gz | Fastqsanger.gz |
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Project description:To determine the transcriptional effects of caspase 1 and caspase 11 deficiency as well as Emu-myc, we performed RNA sequencing (RNAseq) on sorted HSCs from four groups of mice (wild type, Emu-myc, Casp1−⁄−Casp11−⁄−, and Casp1−⁄−Casp11−⁄−Emu-myc).
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Project description:Purpose: Next-generation sequencing (NGS) has revolutionized systems-based analysis of cellular pathways. The goals of this study are using RNA sequencing analysis to test the effects of overexpressing caspase-8 mutants or wild-type caspase-8 on the mRNA of KYSE150 cells. Methods: KYSE150 cells were transfected with caspase-8 mutants or wild-type caspase-8 for 48 hours in 1640 medium plus 10% serum. Two independent replicates were plated, transfected in parallel for each caspase-8 mutants or wild-type caspase-8. Results: Log-fold changes of mRNAs between caspase-8 mutants and wild-type caspase-8 group were selected with a significance threshod of p<0.05. There are 3974 overlapping differentially expressed genes in the caspase-8 mutant cells compared to the wild-type caspase-8 cells. Conclusions: Our study determined the mRNA changes of caspase-8 mutant KYSE150 cells compared to the wild-type caspase-8 cells.
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Project description:Kallenberger2014 - CD95L induced apoptosis initiated by caspase-8, wild-type HeLa cells (cis/trans variant)
The paper describes a new approach that combines single cell and population data in the same model. The model consists of a large number of single cell models, which are fitted to single cell data. Simultaneously, ensemble averages are fitted to population data. It is assumed that the kinetics in each cell can be described with the same kinetic parameters. Therefore, cell-to-cell variability is explained by variable initial protein concentrations.
There are four variants of the model (with [CD95L]=500ng/ml = 16.6nM), i) cistrans (in CD95-HeLa cells) [ MODEL1403050000
], ii) cistrans (in wild-type HeLa cells) [ MODEL1403050001
], iii) cistrans-cistrans (in CD95-HeLa cells) [ MODEL1403050002
], and iv) cistrans-cistrans (in wild-type HeLa cells) [ MODEL1403050003
].
These model contain the equations for one "average cell" with median initial concentrations for CD95, FADD, p55, BID, PrNES_mCherry and PrER_mGFP. By integrating the model, it should be possible to obtain trajectories for PrER_mGFP, PrNES_mCherry, p43 and p18 similar as in Figure 4A (CD95-HeLa cells) and Figure 4B (wild-type HeLa cells).
This model is described in the article:
Intra- and Interdimeric Caspase-8 Self-Cleavage Controls Strength and Timing of CD95-Induced Apoptosis
Stefan M. Kallenberger, Joël Beaudouin, Juliane Claus, Carmen Fischer, Peter K. Sorger, Stefan Legewie, and Roland Eils
11 March 2014: Vol. 7, Issue 316, p. ra23
Abstract:
Apoptosis in response to the ligand CD95L (also known as Fas ligand) is initiated by caspase-8, which is activated by dimerization and self-cleavage at death-inducing signaling complexes (DISCs). Previous work indicated that the degree of substrate cleavage by caspase-8 determines whether a cell dies or survives in response to a death stimulus. To determine how a death ligand stimulus is effectively translated into caspase-8 activity, we assessed this activity over time in single cells with compartmentalized probes that are cleaved by caspase-8 and used multiscale modeling to simultaneously describe single-cell and population data with an ensemble of single-cell models. We derived and experimentally validated a minimal model in which cleavage of caspase-8 in the enzymatic domain occurs in an interdimeric manner through interaction between DISCs, whereas prodomain cleavage sites are cleaved in an intradimeric manner within DISCs. Modeling indicated that sustained membrane-bound caspase-8 activity is followed by transient cytosolic activity, which can be interpreted as a molecular timer mechanism reflected by a limited lifetime of active caspase-8. The activation of caspase-8 by combined intra- and interdimeric cleavage ensures weak signaling at low concentrations of CD95L and strongly accelerated activation at higher ligand concentrations, thereby contributing to precise control of apoptosis.
This model is hosted on BioModels Database
and identified
by: BIOMD0000000524
.
To cite BioModels Database, please use: BioModels Database: An enhanced, curated and annotated resource
for published quantitative kinetic models
.
To the extent possible under law, all copyright and related or
neighbouring rights to this encoded model have been dedicated to the public
domain worldwide. Please refer to CC0 Public Domain
Dedication
for more information.
2024-09-02 | BIOMD0000000524 | BioModels
Project description:RNA-sequencing analysis of the KYSE150 cells overexpressing caspase-8 mutants (M4, M6, M10, M13) or wild-type caspase-8
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Project description:Caspases, proteolytic enzymes involved in cell death could play a role independent of cell death in the developing heart in this datasheet we include the expression data obtained from dissected heart muscle (ventricle) of wild type mice and mice knockout for caspase-3,-7 24 samples. genotypes: wild type and cardiac-specific conditional caspase-3 and -7 KO. Age: 1-2-day-old; 30-day-old (aprox 3 male, 3 female/genotype and age).
2015-12-31 | E-GEOD-63023 | biostudies-arrayexpress
Project description:Kallenberger2014 - CD95L induced apoptosis initiated by caspase-8, wild-type HeLa cells (cis/trans-cis/trans variant)
The paper describes a new approach that combines single cell and population data in the same model. The model consists of a large number of single cell models, which are fitted to single cell data. Simultaneously, ensemble averages are fitted to population data. It is assumed that the kinetics in each cell can be described with the same kinetic parameters. Therefore, cell-to-cell variability is explained by variable initial protein concentrations.
There are four variants of the model (with [CD95L]=500ng/ml = 16.6nM), i) cistrans (in CD95-HeLa cells) [ MODEL1403050000
], ii) cistrans (in wild-type HeLa cells) [ MODEL1403050001
], iii) cistrans-cistrans (in CD95-HeLa cells) [ MODEL1403050002
], and iv) cistrans-cistrans (in wild-type HeLa cells) [ MODEL1403050003
].
These model contain the equations for one "average cell" with median initial concentrations for CD95, FADD, p55, BID, PrNES_mCherry and PrER_mGFP. By integrating the model, it should be possible to obtain trajectories for PrER_mGFP, PrNES_mCherry, p43 and p18 similar as in Figure 4A (CD95-HeLa cells) and Figure 4B (wild-type HeLa cells).
This model is described in the article:
Intra- and Interdimeric Caspase-8 Self-Cleavage Controls Strength and Timing of CD95-Induced Apoptosis
Stefan M. Kallenberger, Joël Beaudouin, Juliane Claus, Carmen Fischer, Peter K. Sorger, Stefan Legewie, and Roland Eils
11 March 2014: Vol. 7, Issue 316, p. ra23
Abstract:
Apoptosis in response to the ligand CD95L (also known as Fas ligand) is initiated by caspase-8, which is activated by dimerization and self-cleavage at death-inducing signaling complexes (DISCs). Previous work indicated that the degree of substrate cleavage by caspase-8 determines whether a cell dies or survives in response to a death stimulus. To determine how a death ligand stimulus is effectively translated into caspase-8 activity, we assessed this activity over time in single cells with compartmentalized probes that are cleaved by caspase-8 and used multiscale modeling to simultaneously describe single-cell and population data with an ensemble of single-cell models. We derived and experimentally validated a minimal model in which cleavage of caspase-8 in the enzymatic domain occurs in an interdimeric manner through interaction between DISCs, whereas prodomain cleavage sites are cleaved in an intradimeric manner within DISCs. Modeling indicated that sustained membrane-bound caspase-8 activity is followed by transient cytosolic activity, which can be interpreted as a molecular timer mechanism reflected by a limited lifetime of active caspase-8. The activation of caspase-8 by combined intra- and interdimeric cleavage ensures weak signaling at low concentrations of CD95L and strongly accelerated activation at higher ligand concentrations, thereby contributing to precise control of apoptosis.
This model is hosted on BioModels Database
and identified
by: BIOMD0000000526
.
To cite BioModels Database, please use: BioModels Database: An enhanced, curated and annotated resource
for published quantitative kinetic models
.
To the extent possible under law, all copyright and related or
neighbouring rights to this encoded model have been dedicated to the public
domain worldwide. Please refer to CC0 Public Domain
Dedication
for more information.
2024-09-02 | BIOMD0000000526 | BioModels
Project description:Caspases, proteolytic enzymes involved in cell death could play a role independent of cell death in the developing heart in this datasheet we include the expression data obtained from dissected heart muscle (ventricle) of wild type mice and mice knockout for caspase-3,-7
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