Browse
Submit Data
Databases
API
Help

Dataset Information

228 Views

0 Connections

0 Citations

0 Reanalyses

0 Downloads

Omics score: 0

On-line desalting of sodium dodecyl sulfate in mass spectrometry

ABSTRACT: We tested here the ability of weak cation exchange (WCX) stationary phase to retain positively charged proteinaceous whilst negatively charged SDS molecules can be washed out from the capillary during on-line desalting. This novel chromatographic method named as online desalting of sodium dodecyl sulfate (online deSDS) satisfactorily allows for the first time the unforeseen straightforward LC-MS/MS analysis of SDS-containing samples without the requirement of any additional pre-processing step.

INSTRUMENT(S): LTQ FT, LTQ Orbitrap Velos

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Hepatocyte, Cell Culture

SUBMITTER: Aida Serra

LAB HEAD: Siu Kwan Sze

PROVIDER: PXD006035 | Pride | 2018-06-18

REPOSITORIES: Pride

ACCESS DATA

Json Xml

Dataset's files

Source:

			Action	DRS
	161021_deSDS_Digested_cells_1SDS_01_A.raw	Raw
	161021_deSDS_Digested_cells_1SDS_01_B.raw	Raw
	161021_deSDS_Digested_cells_1SDS_02_A.raw	Raw
	161021_deSDS_Digested_cells_1SDS_02_B.raw	Raw
	161021_deSDS_Digested_cells_1SDS_03_A.raw	Raw

Items per page:

1 - 5 of 125

Publications

Online Removal of Sodium Dodecyl Sulfate via Weak Cation Exchange in Liquid Chromatography-Mass Spectrometry Based Proteomics.

Serra Aida A Gallart-Palau Xavier X Dutta Bamaprasad B Sze Siu Kwan SK

Journal of proteome research 20180620 7

Biological research often requires the use of sodium dodecyl sulfate (SDS) to solubilize protein samples; however, this detergent is not compatible with direct mass spectrometry (MS) analysis. Here, we report an online high-throughput proteomics method that permits standard in-solution digestion of SDS-containing samples followed by direct liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) analysis using weak cation-exchange chromatography (WCX). This approach, called the onlin ...[more]

PMID: 29888605

Similar Datasets

oryza sativa

Project description:SDs

| PRJEB46125 | ENA

NanoTPOT: Enhanced Sample Preparation for Quantitative Nanoproteomic Analysis

Project description:In this study, we developed and optimized a nanoproteomic workflow that we termed Nanogram TMT Processing in One Tube (NanoTPOT). Through the assessment of proteolytic digestion, tandem mass tag (TMT) labeling, online and offline frac-tionation strategies, our optimized workflow effectively eliminated the need for sample desalting and enabled compatible sample processing for MS analysis. We further applied the NanoTPOT workflow to examine cellular response to stress caused by dithiothreitol in Hela cells, where we identified and quantified 6935 proteins in a TMT 10-plex experiment with one microgram of starting material in each channel.

2021-01-11 | PXD016960 | Pride

Genes Involved in Meristemoid Cell Fate

Project description:The objective of this experiment is to identify genes that are regulated by the LRR-receptor-like protein TOO MANY MOUTHS (TMM) to control stomatal precursor (meristemoid) cell fate and behavior. An interesting aspect of the tmm phenotype is that mutant plants overproduce stomata on leaves, but lack stomata entirely on inflorescence stems and in other locations on the plant. Despite the failure to produce mature stomata, mutant stems produce presumptive stomatal precursors through asymmetric divisions. This suggests that normal TMM signaling is required to maintain meristemoid cell fate but not to execute formative asymmetric divisions. Because stem stomata develop in a morphogenetic wave from tip to base, it is possible to harvest tissues that contain meristemoids but not guard mother cells or mature stomata. This provides an opportunity to compare the gene expression profiles of tissues with meristemoids that maintain their cellular identity and ultimately produce stomata (Col gl1), to tissues in which meristemoids form but rapidly lose their cellular identity due to a failure in TMM signaling (tmm-1). Because guard mother cells and stomata are not present in the tissue harvested, genes that change in abundance during these developmental stages will be filtered out. Ultimately we hope to reveal genes that operate downstream of TMM to confer meristemoid cell fate or to provide 'niche factors' suitable for their development into stomata. For analysis, approximately 90 developing inflorescence stem tips were collected and flower buds and meristems removed prior to flash freezing for each replicate sample. The region harvested had been previously determined to contain developing meristemoids but not stomata or guard mother cells by microscopic observation. An identical region was harvested from tmm-1 mutant plants grown at the same time, in the same flat. 4 samples were used in this experiment.

2009-12-03 | E-GEOD-19256 | biostudies-arrayexpress

Transcription profiling of Enterococcus faecalis V583 treated with SDS and bovine bile

Project description:The effects of bovine bile and SDS on transcriptional events were studied by means of genome wide microarrays in Enterococcus faecalis V583. Transcriptional profiles were obtained through time series experiments over periods of 120min for cells treated with bile and the combination of SDS and bile, and 360min. for SDS.

2007-08-01 | E-TABM-242 | biostudies-arrayexpress

Yeast Genomic Expression Patterns of Wild-type and PTC1 null mutant in Response to Aflatoxin B1 (AFB1)

Project description:The evaluation of the toxicity of Aflatoxin B1 using yeast gene expressions. Two yeast strains; parental BY4743 and PTC1 mutant, were used for this study. SDS was used to raise the penetration of the yeast cell membrane. Two conditions are compared with three replicates each. Both strains were grown in 0.01% SDS containing YPD media or 0.01% SDS, 25 ppm ABF1 containing YPD media. Publication can be found at http://www.cbi.or.jp/cbi/CBIj/vol9/9_94-E.pdf.

2010-04-12 | E-GEOD-17367 | biostudies-arrayexpress

Yeast genomic expression patterns in response to deoxynivalenol

Project description:The assessment of toxicity about deoxynivalenol (DON) using yeast gene expression comparison analysis. Two yeast strains, parental BY4743 and PTC1 mutant, were used for this study. SDS was used to raise the penetration of the yeast cell membrane. Keywords: stress response Four conditions are compared with three replicates each. Each of the two strains was grown in either 0.01% SDS-containing YPD media or 0.01% SDS-containing YPD media with 25 ppm of deoxynivalenol.

2010-06-08 | E-GEOD-14748 | biostudies-arrayexpress

Repolarization of HSC attenuates HSCs failure in Shwachman-Diamond syndrome

Project description:Shwachman-Diamond syndrome (SDS) is a bone marrow failure (BMF) syndrome associated with an increased risk of myelodysplasia and leukemia. The molecular mechanisms of SDS are not fully understood. We report that primitive hematopoietic cells from SDS patients present with a reduced activity of the small Rho GTPase Cdc42 and concomitantly a reduced frequency of HSCs polar for polarity proteins. The level of apolarity of SDS HSCs correlated with the magnitude of HSC depletion in SDS patients. Importantly, exogenously provided Wnt5a or GDF11 that elevates the activity of Cdc42 restored polarity in SDS HSCs and increased the number of HSCs in SDS patient samples in surrogate ex vivo assays. Single cell level RNA-Seq analyses of SDS HSCs and daughter cells demonstrated that SDS-HSC treated with GDF11 are transcriptionally more similar to control than to SDS-HSCs. Treatment with GDF11 reverted pathways in SDS HSCs associated with rRNA processing and ribosome function, but also viral infection and immune function, p53-dependent DNA damage, spindle checkpoints, and metabolism, further implying a role of these pathways in HSC failure in SDS. Our data suggest that HSC failure in SDS is driven at least in part by low Cdc42 activity in SDS HSCs. Our data thus identify novel rationale approaches to attenuate HSCs failure in SDS.

2020-09-18 | GSE158140 | GEO

PTC1 mutant Yeast Genomic Expression Patterns in Response to deoxynivalenol

Project description:The evaluation of the toxicity of deoxynivalenol using yeast gene expressions. Yeast PTC1 mutant strain was used for this study. SDS was used to raise the penetration of the yeast cell membrane. Keywords: stress response Two conditions were compared by the gene expression profiles. Both samples were grown in 0.01% SDS contained YPD media, and one of them was also supplied with 50 ppm of deoxynivalenol.

2011-07-21 | E-GEOD-20378 | biostudies-arrayexpress

Mus musculus

Project description:Glucosylceramide fed mice skin before SDS treatment (0d), after SDS treatment (2d)

| PRJNA139737 | ENA

Dual protein kinase/ nucleoside kinase modulat ors for rationally designed polypharmacology

Project description:Masitinib, a highly selective protein kinase inhibitor, can sensitise gemcitabine-refractory cancer cell lines when used in combination with gemcitabine. A reverse proteomic approach has identified the target responsible for this sensitisation: the deoxycytidine kinase (dCK). Masitinib, as well as other protein kinase inhibitors such as imatinib, interact with dCK and provoke an unforeseen conformational-dependent activation of this nucleoside kinase, modulating phosphorylation of nucleoside analogue drugs. This phenomenon leads to an increase of prodrug phosphorylation of most of the chemotherapeutic drugs activated by this nucleoside kinase. The unforeseen dual activity of protein kinase inhibition/nucleoside kinase activation could be of great therapeutic benefit, through either reducing toxicity of therapeutic agents by maintaining effectiveness at lower doses or by counteracting drug resistance initiated via down modulation of dCK target.

2017-11-13 | PXD007765 | Pride

OmicsDI is part of the ELIXIR infrastructure

OmicsDI is an Elixir interoperability service. Learn more ›

Tweets

OmicsDI Databases

PRIDE
PeptideAtlas
MassIVE
JPOST Repository
Physiome Model Repository

EGA
EVA
ENA
LINCS
PAXDB
Cell Collective

MetaboLights
Metabolomics Workbench
MetabolomeExpress
GNPS
BioModels
FAIRDOMHub

ArrayExpress
dbGaP
ExpressionAtlas
GEO
NODE

Information

Databases
Help
API
Contact us
Code on GitHub
Terms of use
Submit Data