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Synaptosome Proteomics, Fraction 4

ABSTRACT: Synaptosomes were isolated by Percoll gradient centrigation and iTRAQ based nanoLC-MS/MS proteomics. Three synapse fractions were studied from three kind of experimental rat groups namely, stressed with anhedonia, stress resilient and unstressed controls.

INSTRUMENT(S): LTQ Orbitrap

ORGANISM(S): Rattus Norvegicus (rat)

TISSUE(S): Brain

DISEASE(S): Mental Depression

SUBMITTER: Johan Palmfeldt

LAB HEAD: Johan Palmfeldt

PROVIDER: PXD001777 | Pride | 2016-04-26

REPOSITORIES: Pride

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			Action	DRS
	1126-Stine-F4-2-6-re.raw	Raw
	1128-Stine-F4-2-8-re.raw	Raw
	1354-Sti-F4-2-1-re.raw	Raw
	1356-Sti-F4-2-2-re.raw	Raw
	1357-Sti-F4-2-3-re.raw	Raw

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Publications

Protein biomarkers of susceptibility and resilience to stress in a rat model of depression.

Palmfeldt Johan J Henningsen Kim K Eriksen Stine Aistrup SA Müller Heidi K HK Wiborg Ove O

Molecular and cellular neurosciences 20160420

The molecular etiologies of psychological stress and major depressive disorder (MDD) are highly complex and many brain regions are involved. The prefrontal cortex (PFC) has gained attention in depression research due to its role in cognition including working memory and decision-making, which are impaired in MDD. The aim of the present study was to identify differentially regulated synaptosomal proteins from PFC in stress-exposed animals. The well-established chronic mild stress (CMS) rodent mod ...[more]

PMID: 27105822

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Synaptosome Proteomics, Fraction 2

Project description:Synaptosomes were isolated by Percoll gradient centrigation and iTRAQ based nanoLC-MS/MS proteomics. Three synapse fractions were studied from three kind of experimental rat groups namely, stressed with anhedonia, stress resilient and unstressed controls.

2016-04-26 | PXD001775 | Pride

Synaptosome Proteomics, Fraction 3

2016-04-27 | PXD001776 | Pride

Formaldehyde stress response in Methylobacterium extorquens AM1

Project description:The goal of this study was to use microarrays to identify genes differentially regulated under conditions of formaldehyde stress relative to two other stress conditions (oxidative, osmotic) in an effort to identify genes that might be involved in a formaldehyde-specific stress response, rather than a general stress response, in the model methylotroph Methylobacterium extorquens AM1. Two color experiment, three treatments, three biological replicates per treatment, and two technical (dye swap) replicates per biological replicate: formaldehyde-stressed vs. unstressed cells; oxidative-stressed vs. unstressed cells; and osmotic-stressed vs. unstressed cells.

2015-01-01 | E-GEOD-15631 | biostudies-arrayexpress

Barley single feature polymorphisms and drought stress gene expression

Project description:Detection of single feature polymorphisms comparing five barley genotypes. Gene expression under unstressed and drought stressed conditions. Tissue from five entire five day old seedlings from drought stress or unstressed growth conditions was used for RNA extraction. For Barke, Morex and Stepoe the two types of RNA were pooled. For Oregon Wolfe Barley Dominant and Recessive (OWBs), the two types of RNA were handled separately. Targets from three biological replicates of each genotype-treatment were generated and transcript levels were determined using Affymetrix Barley1 GeneChip arrays. Probe set, followed by single probe, comparisons between genotypes allows the identification of single feature polymorphisms in comparisons between genotypes. For the OWBs, comparisons between stressed and unstressed conditions defines stress-regulated genes. Keywords: repeat

2005-08-25 | GSE3170 | GEO

Expression analysis of Listeria monocytogenes LO28 delta-lhrC1-5 mutant and LO28 wt

Project description:Investigation of whole genome gene expression level changes in Listeria monocytogenes LO28 delta-lhrC1-5 mutant, compared to the wild type strain. The lhrC1-5 genes encode the regulatory sRNAs LhrC1-5. The microarray studied the gene expression of unstressed cells and cells exposed to cefuroxime for 30 min. The lhrC1-5 mutant employed in this study is further described in Sievers et al. (2014) A multicopy sRNA of Listeria monocytogenes regulates expression of the virulence adhesin LapB. Nucleic Acids Res. 42:9383-98. A twelve chip study using RNA extracted from 6 different cultures of L. monocytogenes LO28 delta-lhrC1-5 (three unstressed and three stressed cultures) and 6 different cultures of L. monocytognes LO28 wild-type (three unstressed cultures and three stressed cultures).

2015-05-19 | E-GEOD-68996 | biostudies-arrayexpress

Posttranscriptional mRNA expression changes in stress

Project description:HEK T293 cells were treated with Anisomycin or the solvent control DMSO. Cells were fractionated and cytoplasmic and nuclear RNA were isolated. pre-mRNA-Seq was performed on stressed and unstressed nuclear RNA samples. mRNA-Seq was performed on stressed and unstressed cytoplasmic RNA samples. In addition, polyadenylation sites were globally mapped by applying the 3'T-fill method on the same stressed and unstressed cytoplasmic RNA samples.

2016-07-13 | E-MTAB-3585 | biostudies-arrayexpress

Transcription profiling of barley single feature polymorphisms and drought stress gene expression

2008-06-12 | E-GEOD-3170 | biostudies-arrayexpress

Expression (Gene) in the endothelial cells of the mouse male prefrontal cortex (PFC) following 10-day chronic social stress exposure [male CSDS]

Project description:Cell-specific transcriptomic analysis were performed on PFC endothelial cells of unstressed controls (CTRL), stress-susceptible (SS) and resilient (RES) mice to identify novel genes and pathways involved in stress responses

2021-10-29 | GSE182671 | GEO

Expression (Gene) in the endothelial cells of the mouse female prefrontal cortex (PFC) following 10-day chronic social stress exposure [Female_CSDS]

2021-10-29 | GSE173794 | GEO

Dysbindin-associated proteome in the p2 synaptosome fraction of mouse brain.

Project description:The gene DTNBP1 encodes the protein dysbindin and is among the most promising and highly investigated schizophrenia-risk genes. Accumulating evidence suggests that dysbindin plays an important role in the regulation of neuroplasticity. Dysbindin was reported to be a stable component of BLOC-1 complex in the cytosol. However, little is known about the endogenous dysbindin-containing complex in the brain synaptosome. In this study, we investigated the associated proteome of dysbindin in the P2 synaptosome fraction of mouse brain. Our data suggest that dysbindin has three isoforms associating with different complexes in the P2 fraction of mouse brain. To facilitate immunopurification, BAC transgenic mice expressing a tagged dysbindin were generated, and 47 putative dysbindin-associated proteins, including all components of BLOC-1, were identified by mass spectrometry in the dysbindin-containing complex purified from P2. The interactions of several selected candidates, including WDR11, FAM91A1, snapin, muted, pallidin, and two proteasome subunits, PSMD9 and PSMA4, were verified by coimmunoprecipitation. The specific proteasomal activity is significantly reduced in the P2 fraction of the brains of the dysbindin-null mutant (sandy) mice. Our data suggest that dysbindin is functionally interrelated to the ubiquitin-proteasome system and offer a molecular repertoire for future study of dysbindin functional networks in brain.

| S-EPMC4227559 | biostudies-literature

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