MassIVE MSV000080259

Partial Public PXD005199

Phosphoproteomics of FGF signaling in Chrondrocytes

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Description

To understand the determinants of chondrocyte FGF inhibitory response we sought to identify the unique set of proteins whose phosphorylation status is changed upon FGF treatment. RCS (Rat ChondroSarcoma) (RCS) cells were used for our experiments as a well-accepted model of proliferative chondrocytes which respond to FGF signaling with growth arrest Chondrocytes were treated with FGF1 and, as a control, cell cycle changes were monitored by FACScan analysis to demonstrate strong (around 95%) downregulation of S-phase at 24h. Three independent experiments were performed to obtain statistically representative datasets. We quantified 8299 proteins were quantified in the global proteome analysis using only unique or and razor peptides for quantitation . All proteins were identified in at least two replicates of a single treatment set by 2 or more peptides with 1% FDR Inclusion requirements for a single proteins were 1) two or more peptides identified with 51% FDR and 2) peptides that proteins were identified in at least 2 replicates of a single sample set. [dataset license: CC0 1.0 Universal (CC0 1.0)]

Keywords: FGF ; phosphorylation ; chrondocytes

Contact

Principal Investigators:
(in alphabetical order) 		Beatrix Ueberheide
Submitting User: jrc9v
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Distinct condition labels are counted across all files submitted in the "Metadata" category having a "Condition" column in this dataset.

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Number of distinct biological replicates across all analyses (original submission and reanalyses) associated with this dataset.

Distinct replicate labels are counted across all files submitted in the "Metadata" category having a "BioReplicate" or "Replicate" column in this dataset.

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Number of distinct technical replicates across all analyses (original submission and reanalyses) associated with this dataset.

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Originally identified proteins that were automatically remapped by MassIVE to proteins in the SwissProt human reference database.

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Number of distinct protein accessions reported across all analyses (original submission and reanalyses) associated with this dataset.

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Number of distinct unmodified peptide sequences reported across all analyses (original submission and reanalyses) associated with this dataset.

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Number of distinct peptide sequences (including modified variants or peptidoforms) reported across all analyses (original submission and reanalyses) associated with this dataset.

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Total number of peptide-spectrum matches (i.e. spectrum identifications) reported across all analyses (original submission and reanalyses) associated with this dataset.

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Number of distinct proteins quantified across all analyses (original submission and reanalyses) associated with this dataset.

Distinct protein accessions are counted across all files submitted in the "Statistical Analysis of Quantified Analytes" category having a "Protein" column in this dataset.

"N/A" means no results of this type were submitted.
Number of distinct proteins found to be differentially abundant in at least one comparison across all analyses (original submission and reanalyses) associated with this dataset.

A protein is differentially abundant if its change in abundance across conditions is found to be statistically significant with an adjusted p-value <= 0.05 and lists no issues associated with statistical tests for differential abundance.

Distinct protein accessions are counted across all files submitted in the "Statistical Analysis of Quantified Analytes" category having a "Protein" column in this dataset.

"N/A" means no results of this type were submitted.
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